The ever increasing surface and ground water contaminations with
industrial effluent discharges has necessitated the design and development of
cost effective dye degradation strategies involving advanced oxidation process
that take advantage of light induced degradation of dyes by utilizing
semiconductor nano particles. Herein, Lithium Zincate (Li2ZnO2) nano particles
with a crystal size of 20-40nm were developed through hydrothermal technique.
The synthesized semiconductor was characterized by X-ray powder diffraction
(XRD) method followed by scanning electron microscope (SEM) and Fourier
transform infrared (FTIR) spectroscopic measurements. The photo catalytic
degradation of Indigo carmine (IC) was affected using Li2ZnO2nano powder. The effect
of parameters such as the catalyst load, dye concentration and irradiation time
on photo catalytic degradation was established. - See more at:
International Journal of Advanced Research (IJAR) is an open access, peer-reviewed, International Journal, that provides rapid publication (monthly) of research articles, review articles and short communications in all subjects.
Tuesday, 31 May 2016
A facile one pot synthesis of pyrazolyl pyrimidines through multcomponent reaction
A series of new pyrimidine derivatives containing pyrazole moiety were
designed and synthesized. In addition, various substituents were introduced in
to the entering pyrazole aldehyde ring and ?-keto ester with the purpose of
exploring the influence of substituent on anticancer activity by regulating the
electronic and steric effects. The synthesized compounds were characterized by
various spectroscopic techniques - See more at:
A Framework for Ranking of Colleges Based on Unstructured Data using k-Anonymity Algorithm in Hadoop.
Choosing a right measure in assessing the education system might be a
great challenge in present scenario. As the numbers of technical institutions
are increasing enormously, students and parents are uncertain to take up higher
education in a reputed institution. The information regarding colleges or
institutions is graded by many institutional stake holders and others through
social networking sites like Twitter. The large volume of data generated
through social networking sites is unstructured which is posted by different
kinds of people. Processing the unstructured data is a tedious process. To rank
the institutions based on the unstructured data would be a difficult process
using traditional or conventional data mining techniques and tools. The
proposed framework is for ranking the institutions based on K-anonymity
algorithm which is implemented in HADOOP and HIVE. This method improves the
efficiency and accuracy of the data processing compare to the traditional
methods. - See more at:
Multiple Sequence Alignment in Bioinformatics.
This paper proposes few genetic operators to obtain better alignments of
multiple molecular sequences. All the proposed operators in the method have been
implemented and validated within a self developed software tool which allows
the user to select the various genetic operators for crossover, mutation,
fitness calculation, population initialization. It guarantees the next
generation of populations with better fitness value. Improvement in the overall
population fitness is also calculated and evaluated. Survival of the fittest
policy is followed to arrive at a better fitness in following generations.
These fitness values then help to find heart and diabetes problems for that
chromosome. Observations based on variable parameters have been recorded,
analyzed & presented in the form of results. Results were also compared
with few standard existing online tools to study the feasibility of the
proposed operators. - See more at:
Determining required heat energy and CO2 emissions resulting from fuel consumption in different greenhouse installations in Mediterranean climate conditions -
As a result of the energy crises of the 1970s, greenhouse cultivation
has developed rapidly in the countries on the Mediterranean coast. In order to
achieve the expected quality production and productivity, greenhouses should be
heated when outside temperature falls below 12oC. In Turkey, small scale family
businesses implement very simple heating methods to protect plants from frost,
rather than provide regular heating of greenhouses. The modern greenhouses that
have been installed in recent years are equipped with hot water tube heating
systems. In addition to affecting production costs in a significant way,
heating greenhouses has negative influence on the environment due to carbon
emissions of the selected fuel type. The fuel to be used in heating greenhouses
should be both cost effective and environment friendly with the lowest level of
carbon emissions. This study aims to determine the amount of heating energy
required for different inside temperature values desired in plastic greenhouses
with different specifications, under Mediterranean climate conditions, to
estimate the amounts of coal, natural gas, diesel fuel and fuel oil to be used
in heating and to calculate the annual fuel costs and carbon dioxide (CO2)
emissions for each fuel type. The study has shown that the most convenient fuel
to meet the annual heat requirements of greenhouses is natural gas. The
relative change in the cost of natural gas, diesel fuel and fuel oil has been
calculated as an increase of 13%, 73% and 59% respectively. The annual CO2emission
of natural gas has been determined to be 50%, 29% and 30% lower than that of
coal, diesel fuel and fuel oil respectively. - See more at:
Stress Distribution between Gauss Quadrature Method and Alternate Method for Functionally Graded Material.
The present study aims to compare the nodal stresses for Gauss
Quadrature method and alternate method. The alternate method represents the
corner point and midpoint of a quadrilateral as a sampling points of the
element. It is extrapolated using Richardson extrapolation in the finite
element analysis. To investigate the influence of material property variation
like Young?s modulus, numerical example for the family of quadrilateral element
(Q4 and Q8) are solved and compare the results of functionally graded elements
with the homogeneous elements. The result of nodal stresses of the alternate
method are compared to the conventional Gauss Quadrature method. - See more at:
The Role of Serum Procalcitonin Levels in Predicting Ascitic Fluid Infection in Ascitic Patients Admitted to Zagazig University Hospital in 2014.
Background: It is difficult to diagnose spontaneous bacterial
peritonitis (SBP) early in ascitic patients. The aim of the study was to
measure serum procalcitonin (PCT) levels to obtain an early diagnostic
indication of SBP in ascitic patients. Methods: A total of 62 patients (mean
age: 54.4 ? 10.7, 77.4% were males) hospitalized due to cirrhosis (n=57) or
non-cirrhosis related (n=5) ascites were included in this study. Spontaneous
bacterial peritonitis (SBP, 19.4%), culture-negative SBP (35.5%), bacterascites
(6.5%), sterile ascites (30.6%) and non-cirrhotic ascites (8.1%) groups were
compared in terms of procalcitonin levels in predicting ascites infection.
Receiver operating characteristic (ROC) curves were used to evaluate the diagnostic
performance of procalcitonin levels. Results: Culture positivity was determined
in 25.8% of overall population. Serum procalcitonin levels were determined to
be significantly higher in patients with positive bacterial culture in ascitic
fluid compared to patients without culture positivity (median (min-max): 3.35
(0.05?6.4) vs. 0.2 (0.05-1.9), p=0.000). Using ROC analysis, a serum
procalcitonin level of >1.9 ng/mL (area under curve (AUC): 0.791,
sensitivity: 75%, specificity: 100%, positive predictive value 100% and
negative predictive value 92%) were determined to accurately help the diagnosis
of bacterial peritonitis. Conclusion: According to our findings, determination
of serum procalcitonin levels seems to provide accurate and rapid diagnosis of ascitic
fluid infection - See more at:
A new method for the determination of dissociation constant (kd) on the binding of CA19-9 to its antibody in type 2diabetic patients by enzyme linked immunosorbent assay (ELISA) with some modifications.
Background:-In order to quantify the interactions between molecules of
biological interest, the determination of dissociation constants (Kd) is
essential. Several methods are known for calculating these constants, most of
which are based on linearization procedures, such as the Scatchard (1949) plot,
Lineweaver and Burk (1934) plot, etc. This linearization does not require
direct ligand labelling or the absolute concentration of the complex and is,
therefore, especially suitable for Kd determination from an enzyme-linked
immunosorbent assay (ELISA). Objectives: - Present a new method for the
determination of a dissociation constant (Kd) of the binding of CA19-9 to its
antibody in type 2 diabetic patients using Scatchard plot through development
of ELISA. Methods:- This study included eighty individuals with mean age (46.5
? 1.14 years) were divided into two groups. Group Ⅰ,forty patients with type Ⅱ diabetes mellitus have a mean duration 6.6? 0.94.Group Ⅱconsisted of forty healthy individuals were classified as
control group. CA19-9 level were measured in serum by ELISA technique.Select
the highest value from the first group and other value within the normal range
chosen from the second group in addition to the CA19-9 standard (100U/ml) to
determine the dissociation constant (kd) using external CA19-9 monoclonal
antibody and calculated by Scatchard plot. Results:- The dissociation constant
of the interaction between antibody and antigen from the data of direct,
non-competitive enzyme linked immunosorbent assays (ELISA) by Scatchard plot is
(15.6006, 12.5313 and 4.1271 U/ml) for Standard (100 U/ml), Patient (99.568
U/ml) and Control (23.494 U/ml) respectively. Conclusion:-A simple
linearization procedure developed to determine the dissociation constant of the
interaction between antibody and antigen from the data of direct,
non-competitive enzyme linked immunosorbent assays (ELISA) by Scatchard plot. -See more at:
Isolation and Identification of Flavonoids from Heartwood of Acacia nilotica var nilotica and their Antibacterial Activity.
- From the methanolic extract of the heartwood of Acacia nilotica var
nilotica, two compounds (I and II) were isolated ; compound I : 7, 3`,
4`-trihydroxy-3-methoxyflavone and compound II : 7, 3`, 4`-trihydroxyflavonol.
The compounds were purified by different chromatographic techniques and
identified via spectroscopic tools: IR, UV, 1HNMR and Mass spectroscopy.The
isolated compounds were evaluated for their antimicrobial potential against
Gram negative (Escherichia coli and Pseudomonas aeruginos) and Gram positive
(Bacillus subtilis, Bacillus cereus and Staphylococcus aureus) bacteria. Both
compounds showed varying antibacterial activity. - See more at:
DIRECT SPECTROPHOTOMETRIC DETERMINATION OF URANIUM IN GRANITE AFTER ITS SELECTIVE LEACHING USING LIXIVIANT REAGENTS WITHOUT ITS PRIOR SEPARATION.
A spectrophotometric determination of uranium in microgranite rock
sample, Sela area, South Eastern Desert, Egypt, from its leach liquor using
effective and efficient lixiviants for its selective leaching followed by its
direct spectrophotometric determination using arsenazo (III) dye without prior
separation, as solvent extraction or ion exchange, was proposed in the present
work. Several lixiviants were studied for the selective leaching of uranium
namely; citric acid, urea, ammonium acetate, ammonium carbonate, ammonium
bicarbonate and ammonium nitrate. The selected ammonium bicarbonate and
ammonium nitrate lixiviants gave high leaching efficiency of uranium beside the
minimal dissolution concentrations of the concomitants hence lowering the
matrix interfering effect of those elements during its determination. Several
factors were studied for this purpose namely; the choice of proper
lixiviant(s), solid to liquid ratio (S/L), leaching time, temperature,
interfering matrix effect where their spectral interference on uranium was also
studied. It was found that maximum leaching of uranium with the least
concomitants was reached using 1M ammonium bicarbonate and 1M ammonium nitrate
with percentage leaching efficiencies of 99.5% for both lixiviants. The optimized
method was applied on three microgranite and two international certified
samples BL-4a and DL-1a, where statistical evaluation showed that their average
relative standard deviation was 0.61. - See more at:
Hydrogen Sulphide (H2S) Gaseous Control in Claus Process.
The efficiency of the Claus process plant is determined by material
balance. A new commercial available catalyst is recommended with contact time 3
seconds. A pilot plant has been designed to optimize temperature and air to gas
ratio for maximizing of sulphur recovery in process thus reducing H2S pollution.see more
Compressive Strength of Ceramic Waste Based Geopolymeric Binder. -
In this paper, the compressive strength of geopolymeric binder prepared
using the source materials such as fly ash, ground granulated blast furnace
slag (GGBS) and ceramic waste powder without using any conventional cement has
been investigated. The compressive strength was determined as per relevant
Indian Standard. The different parameters considered in this study are the
proportion of binder components such as ratio of Na2SiO3/NaOH solutions and
alkaline liquid to binder ratio. The various combinations of fly ash, GGBS and
ceramic waste powder considered are 80%, 10% &10%; 60%, 20% & 20% and
40%, 30% & 30% respectively. The ratio of binder to sand and Na2SiO3/NaOH
solutions is taken as 1:2 & 1:3 and 2 & 2.5. The alkaline liquid to
binder ratio is 0.45. The compressive strength of mortar cubes are determined
at 7 and 28 days. It can be concluded that, as the percentage of the Ceramic
waste powder increases, the compressive strength of the geopolymeric binder
decreases when compared to conventional binder. - See more at:
PERFORMANCE ANALYSIS OF OXYGEN ENRICHED MULTI CYLINDER S. I. ENGINE. -
We, human beings finding the solutions on energy crisis. It may be in
terms of Alternate Energy sources, Increase in Efficiency or Saving of Fuel.
For proper combustion carbon from fuel of good calorific value and sufficient
amount of oxygen from atmospheric air is required. But as we know we get only
21% Oxygen and about 79% of other gases which produces pollutants like Carbon
Monoxide, Nitrogen oxide, Hydrocarbons, Nitric oxide, Sulphur dioxide etc.
Oxygenized air helps in proper combustion with reduction in the volume of flue
gases and greenhouse effect. Oxygen enrichment results in rapid combustion of
fuel which increases power output, mechanical efficiency and volumetric
efficiency with increased amount of heat generation. - See more at:
SIMULATION STUDIES OF FRICTION STIR WELDED ALUMINIUM 7075 ALLOY. -
In this research work, the virtual experiments were carried out to
investigate the influence of friction stir welding process (FSW) parameters on
output variables such as peak temperature and flow stress of friction stir
welding of aluminium alloy AA7075. The process parameters considered in this
investigation were rotational speed, traverse speed and shoulder diameter.
Friction stir welding simulations were performed using Hyper works (Hyper
weld). The results indicate that the FSW process parameters influence the
temperature distribution and flow stress during the process. It is found that
peak temperature increases and flow stress decreases with increase of
rotational speed with varying traverse speed and also found that the peak
temperature decreases and flow stress increases with increase of traverse speed
with varying rotational speeds. The temperature and flow stress distribution
increase with increase of tool shoulder diameter. - See more at:
Design And Implementation of Advanced Wireless Tongue Drive/Operated System for Paralyzed,Disabled & Quadriplegic Patients.
We have got evolved a Wi-Fi, noncontact, unobtrusive, tongue-operated
assistive technology called the Tongue controlled device. The TCS affords
humans with paralysis, Quadriplegic diseases, minimum or no motion capability
of their higher limbs, lower limbs with an efficacious tool for computer access
and environmental control. A small permanent magnet secured at the tongue by
using implantation, piercing, or tissue adhesives is used as a tracer, the
motion of that is detected by way of an array of magnetic sensors established
on a headset outside the mouth or on an orthodontic brace interior sent
wirelessly to microcontroller by using wireless transceiver. The
microcontroller?s outputs signals are wirelessly transmitted to an
ultraportable personal digital assistant compact computer carried at the user?s
clothing or wheelchair and are processed to extract the person?s instructions.
The consumer can then use those commands to get right of entry to a personal
digital assistant computer, manage a power wheelchair, prosthetics and home
appliances or have interaction with his or her surroundings. Most adult humans
have 32 teeth, and several commands can be linked to a combination of teeth or
tongue gestures, making the possibilities countless. - See more at:
Green Synthesis of Gold Nanoparticles using Colchicum autumnaleand its characterization. -
Recent interest in the development of new and novel strategies for the
generation of gold nanoparticles stems from their potential applications in
diversified fields.Biosynthesis of nanoparticles is now established as an
emerging area of nanoscience research. A bottom-up ?green? and rapid synthetic
route using Colchicum autumnale leaf broth as reducing and stabilizing agent
produced gold nanoparticles at ambient conditions. The nanoparticles were
characterized by UV?vis spectrophotometer, FTIR, Field Emission Scanning
Electron Microscope, X-ray diffraction and DLS. FTIR spectra indicates that the
reduction of Au3+ to Au0 was mediated by alkaloids present in the plant leaf
broth. The size of synthesized nanoparticles are in the range of 70-120nm,
which has been confirmed by DLS and FE-SEM.The size of nanoparticles decreases
with increase in broth concentration. The morphology was irregular spherical to
polygonal and crystallized in face centered cubic symmetry. - See more at:
Analysis and Evaluation of Computer Apps for Special Education.
Each child has individual academic
strengths and personality; however learning disabilities will impact
differently on individual children. This learning disability results in
underachievement in examination and in particular, in mathematical subjects.
Students with special needs spend most or all of their time with non-disabled
students. Difficulties with early numeracy can interfere with the acquisition
of mathematics skills in later childhood. The success of any learning
improvement depends upon many factors. The adoption of interactive materials
and technology and preparing teachers with essential knowledge and skills for
the education is one of the best methods of teaching learning disabled students.
In this paper a review work was carried out to study the work carried out in
the learning disabled students and the apps related to mathematics.see more
MODELING OF SHEAR STRENGTH-WATER CONTENT RELATIONSHIP OF ULTRA-SOFT CLAYEY SOIL.
In this study, a detailed review on the reported correlations of shear
strength and physical properties of soft soil has been investigated. An
ultra-soft soil has been prepared from 2% to 10% bentonite clay soil with high
water content. The shear strength of the prepared ultra-soft soil has been
tested using modified vane shear device. Based on collected data and
experimental results, two new mathematical models for shear strength-water
content relationship has been proposed for shear strength and water content
ranged from 6 kPa to 0.1 kPa and 50% to 1100% respectively. The second proposed
model was compared with several reported models from literature to demonstrate
shear strength-water content relationship for ultra-soft soil with low shear
strength and high water content. The second proposed model has shown a very
good agreement with the experimental results with coefficient of determination
(R2) up to 0.91. - See more at:
Monday, 30 May 2016
Commercial Feasibility Study of PET Bottles Recycling by Solvent Extraction Method. -
With increasing amounts of consumption of PET bottles in Bangladesh,
huge amount of solid waste has been accumulated and thus polluting environment
as these are non biodegradable. The aim of this research is to obtain
information on post-consumer PET bottles recycling, its technological and
economic aspects. These goals were attained through literature review of some
current available recycling process and carrying out laboratory experiments of
a recycling process (Dissolution of PET flakes by solvent recovery method using
Cyclohexanone as solvent) being developed in Pilot Plant and Process
Development Center of Bangladesh Council of Scientific and Industrial Research.
FTIR was used to determine the functional group of the product, based on the
peak value. The chemical structure of the standard PET and waste PET, before
and after the restoration process was confirmed by recording their IR spectra.
Experimental results have showed 90% PET recovery and 50% solvent recovery. -See more at:
Investigation of Optimum Transparent Conductive Oxides (TCOs) for CdS:O/CdTe Thin Film Solar Cells (TFSCs) from Numerical Analysis. -
Transparent Conductive Oxides (TCOs) are an
increasingly important component of solar cells, where they act as front
electrode elements.The structural templates, diffusion barriers and their work
function controls the open circuit voltage(Voc). In this paper, various
transparent conductive oxide materials have been studied which are used as the
front surface contacts of CdS:O/CdTe based thin film solar cells. Various
electrical and optical parameters like work function, thickness, temperature
etc., of some common transparent conductive oxides materials such as ZnO, FTO,
SnO2etc., are studied. The main idea was to find an optimum conductive oxide
layer for CdTe solar cell which shows the great potential in thin film area of
solar cell. All the analysis was done by using the widely used simulator
Analysis of Microelectronic and Photonic Structures (AMPS 1D). It was observed
that both SnO2and ZnOshow similar performance under various conditions. Indium
Tin Oxide (ITO) has shown the worst performance among them in all conditions.
Fluorinated Tin Oxide (FTO) looked promising match for CdTe solar cells in some
conditions. - See more at
Vector Representation and Fibonacci Numbers in Molluscan Shells.
The
present work describes the growth of a particular species of Molluscan shell in
terms of moving vectors. The appearance of Fibonacci numbers in Molluscan shell
has been identified. see more
A Review on Immersion System to increase the efficiency of Solar Panels.
A solar cell converts solar optical energy directly in to electrical
energy. The major problem related to the solar cell is their lower efficiency.
Typically when the surface of the solar panel increases, the efficiency of the
solar panel decreases. Generally, a PV module has ideal conversion efficiency
in the range of 15%. The remaining energy is converted into heat and this heat
increases operating temperature of PV system which affects the electrical power
production of PV modules and this can also cause the structural damage of PV
modules, which leads to shorting its life span and lowering conversion
efficiency. The cell efficiency can be increased by lowering the solar panel
into liquid material, so that the temperature can reduce and the efficiency of
the solar panel will increase. Another method of lowering the temperature of
the panel can be achieved by passing the air continuously with the help of a
blower on the rear side of the panel. So the temperature can be lowered and the
air can be heated also, so that we can use it as solar air heater. Cooling is
the transfer of energy from a space or from a air to space in order to achieve
a lower temperature than that of natural surroundings. Temperature control of
solar cells at high concentrations is a key issue. Short-term efficiency drop
and long-term degradation should be avoided by effective cooling methods. In
this communication, we will review to increase the efficiency of the solar
panel with immersion system. - See more at:
Sprouting Suppression and Quality Attributes of Potato Tubers as Affected by Post-Harvest UV-C Treatment under Cold Storage
. Potato (solanumtuberosum, L.) is one of the most important vegetable
crops in Egypt,it is considered as a source of national income since the potato
crop is exported abroad because it has high quality specification.As a result
of its cheap price and different prepared ways, potato is the most consuming
crop by domestic consumer.So, the need to maintain the potato quality and
preserve the crop without losses, providing good storage conditions after
harvest is an important process for inhibiting sprouting, reduce the loss of
weight and keeping the quality.The aim of this study is to investigate the
effect of different doses of ultraviolet light (0, 1.42, 2.14 and 2.85 J/cm2)
and different storage conditions (ambient air 45 ? 2oC with 50-60% RH, two cold
dark storages, at 8oC?1with 75-82% RH and13oC?1 with 85-92% RH) on inhibition
the sprouting of small tubers (60-90g) and big tubers (120-220g) after four
months of storage.The analysis of variance(ANOVA) with three replicates (P <
0.05) based on Randomized Complete Block Design(RCBD) was conducted for the
statistical analysis. It was concluded that increasing irradiation doses and
decreasing storage temperature is good combination for sprouting suppression,
reducing weight loss percentage, reducing the increment of soluble solids
content, increasing firmness and remaining on the dry matter content almost
constant. Only the tubers of non-irradiated treatment under ambient air storage
showed percentage of damage. While,10 min irradiation treatment was very low to
be effective in sprouting suppression or maintain other quality attributes at
all storage temperatures. Exposure of 15 min UV-C is recommended as
post-harvest treatment when small tubers are stored at 8oC. Storing tubers at
13oC after high irradiation doses showed very low sprouting weight for small
and big tubers. - See more at
VIDEO-OBJECT STEGANOGRAPHY MECHANISM TO OVERCOME COMPRESSION LOSS IN BIOMETRIC BASED AUTHENTICATION.
When sensitive information is exchanged
through wireless communication, it requires remote authentication. The
Authentication is obtained by the biometric signal, which is difficult to forge
copy and share. The method of steganography is employed in providing the
authentication. The biometric signals is encrypted with a video-object and
sent. The remote authentication is based on the semantic segmentation, chaotic
encryption and data hiding. To authenticate user X remotely, X video-object is
extracted then the biometric signal is encrypted by chaotic encryption. The
encrypted biometric signal is inserted to the most significant wavelet
coefficient of video-object by using QSWT (Qualified Significant Wavelet Tree).
QSWT provide invisibility and resistant against lossy transition and
compression. Now video-object along with biometric signal is extracted as
stego-object which is compressed and sent to receiver. While decryption, IDWT
(Inverse Discrete Wavelet Transform) is used to retrieve the biometric signal
from video-object. One of the challenging problem in decrypting is the
biometric signal is not clear for authentication. This loss occurs due to
compression of stego-object. To overcome the above issue, Image Coder is used
to detect the compression loss and Integrate Region Matching is used to reduce
the compression loss. This method provides security in encryption and
robustness against steganalytic attacks to various transmission losses and JPEG
compression issues. This proposed method of biometric based authentication uses
bandwidth in an efficient manner.see more
A Study on Permeability analysis of 3-D Porous Models using Computational Fluid Dynamics (CFD
Permeability of scaffold is an important parameter which combines
porosity, interconnectivity pore size and shape. It can influence on bone
tissue engineering. The intrinsic permeability coefficient k of an open porous
structure is ability to measure the fluid flow. Based on number of holes and
standard pore diameter, 3D porous geometric models are created using commercial
software SOLIDWORKS. In this study we found permeability co-efficient (k) of
twelve different models with different shapes using Darcy?s law by satisfying
all assumptions. For these models porosity may vary in the range of 20% to
50%.To obtain permeability co-efficient(k), pressure drops are found using CFD
analysis for twelve porous models by considering boundary conditions from
previous literatures and comparing permeability co-efficient(k) of porous
models. - See more at:
LOCALLY-ROTATIONALLY SYMMETRIC BIANCHI TYPE-V COSMOLOGICAL MODEL IN PRESENCE OF PERFECT FLUID AND MAGNETIC FLUX WITH VARIABLE MAGNETIC PERMEABILITY. -
In this paper, we have investigated the nature of locally-rotationally
symmetric Bianchi type-V cosmological model in presence of perfect fluid and
magnetic flux in general relativity. We have considered the magnetic
permeability as variable quantity. The magnetic field is due to an electric
current produced along x-axis, F_23 is the only non-vanishing component of
electromagnetic field tensor F_ij. To get the deterministic solution, it has
been assumed that ρ=-p. We also discuss the physical and geometrical properties
of model. - See more at:
Review on Polymer Brush Synthesis Via Controlled Radical Polymerization Technique. -
In this review, we discussed mainly on fabrication of polymer brushes by
using controlled radical polymerization technique. Controlled radical
polymerization (CRP) techniques provide enormous possibilities for synthesizing
well-defined polymers with controlled architectures and molar masses, high
graft density with well-distributed polymeric brushes. In fact, we also
discussed the atom transfer radical (ATRP) and Reversible fragmentation chain
transfer (RAFT) radical polymerization. Also, we had discussed the general
characterization techniques of polymer brushes. Review could be more useful for
researchers in general to understand the polymer brush preparation and its
characterization. - See more at:
Prevention for Black hole attack in MANET using AODV Protocol: Review.
Black hole attack is one of the active DoS attacks possible in MANETs so
has got lots of attention by the researchers. Research focus mainly given to
securing existing routing protocols, developing new secure routing protocols,
and intrusion detection techniques. Researchers have proposed various
techniques to prevent black hole attack in mobile ad-hoc networks. Many studies
on MANET focus on the protocols used their security issues such as data
encryption, authentication, trust, and cooperation among nodes, attacks on the
protocols and proposed solutions or preventions. - See more at:
One Stage Solvent Extraction Synergism for the Purification of Industrial Wet Process Phosphoric Acid to the Food Grade Quality. -
Different organic solvents were investigated, separately or in mixture
for example methanol, ethanol, butanol, hexanol, octanol, TEP,D2EHPA, TBP,TOPO
and a mixture of TBP plus butanol. Among these solvents, TBP plus butanol
proved to be the most efficient solvents mixture. The effect of organic/aqueous
phase ratio, temperature, shaking time, settling time and phosphoric acid
concentration were studied. Scrubbing of the loaded organic acid was done using
4.2M pure phosphoric acid at an O/A phase ratio of 1:1 while stripping of H3PO4
was performed using distilled water of an O/A phase ratio of 3:1 in one stage.
The final recovery of the process is 97.8%. - See more at:
Experimental Investigations in Pipe Bending Methods: A Literature Review.
This paper intended to explore the aspects of pipe bending for composites
material. In current industries such as oil and gas, petro-chemical, and
aerospace needs very high quality bended pipes without any defects. There are
many different methods for pipe bending. The pipes and tubes can bend in one of
several methods depending on what requirement is to use the bend pipes and
tubes. So the comparison between pipe bending methods needs to be an
identified. In pipe bending process several defects occurs such as Ovality,
wrinkling, and wall thinning and thickening. Purpose of this study is to
comparing the available methods and finding out the suitable outcomes for the
given circumstances. - See more at:
STUDY OF THE ADSORPTION INTERACTION POTENTIAL IN A MICROPOROUS SOLID.
In this paper, we proposed an approach to understand the mechanism of
gas adsorption in a microporous solid. This approach is deduced from the
concept of flow; the flow of the quantity of material which crosses a closed
surface is proportional to the potential adsorbate-adsorbent interaction. For
this first study, we used two couples; activated carbon AC35 with ethanol and
acetone at the same temperature 30 ? C, in order to over complicate the issue
for this first approach. Our study of the adsorption potential as a function of
the pore radius allowed us to show that there are two types of interaction
forces. The first type active, as in the case of adsorption in micropores and
mesopores, and the second is active, as for the macropores and side surfaces of
the grains. These findings justify the existence of two models: the
Dubinin-Astakov (filling volume), and the Brunauer, Emmet and Teller
(adsorption layer). Adsorption follows three steps, the micropore filling will
occur the first followed by the filling of mesopores and the macropores and
finally the surface adsorption corresponds to the side surface of the
microporous solid grains. The order in which the filling pore has allowed us to
establish the link between the time parameter and the pore radius - See moreat:
Correlation between serum zinc and mortality in septic patients. -
Objective Activation of acute phase response occurs in initial stage of
sepsis, with rapid decline in zinc blood levels for intracellular mobilization
to synthesize acute phase proteins. Our study aim was to explore if there is a
correlation between serum zinc levels and mortality in septic patients. Design
A comparative prospective observational study. Setting Intensive Care
Department of Alexandria University Hospitals. Patients 100 patients with
proved sepsis according to the Surviving sepsis Campaign guidelines and in need
for ICU admission. Methods Patients were followed up for 28 days. Acute
Physiology and Chronic Health Evaluation II score and Sequential Organ Failure
Assessment score were calculated in every patient using the data at enrollment.
Venous blood samples were obtained on admission for determination of a panel of
markers including serum lactate, C-reactive protein, procalcitonin level, and
serum zinc levels. All parameters were correlated with mortality. Results
APACHE II score, SOFA score, serum lactate, CRP, procalcitonin, and serum zinc
could predict mortality without significant statistical difference in-between,
(p ? 0.05). There was an inverse statistical correlation between serum zinc
levels and all other studied parameters Conclusion Low serum zinc levels may be
one of the predictors of mortality in septic patients. - See more at:
A Comparative Study ofAmphotericinB Versus Miltefosine Regarding Efficacy and safety profile in Pediatric Cases of Visceral Leishmaniasis.
From the treatment point of view many drugs have been tried with various
efficacyin visceral leishmaniasis.Objectives:The study was undertaken to
compare the efficacy of intravenous amphotericin B and oral miltefosine in the
treatment of visceral leishmaniasis in children. Materials and methods: In this
study 60 consecutive diagnosed cases of kalaazar were studied in pediatric
indoor ward of J.L.N. Medical College & Hospital Bhagalpur. All thecases
included in study, randomly divided into two groups A and B with equal no. of
patients ( 30 in each ) in both groups. Patients of group A were given
intravenous Amphotericin B in the dose schedule of 1mg/kgon alternate day for
15 doses. Patients of group B were given oral miltefosine in dose schedule of
2.5mg /kg daily for 28 days.During the therapy, clinical and parasitological
response and safety profiles of the drugs in both groups were closely
monitored. Conclusion: ? Both the drugs i.e. Amphotericin B as well as
Miltefosine had been observed as equally efficacious in causing clinical as
well as parasitological cure in pediatric cases of visceral leishmaniasis and
no sufficient toxicity developed in either group and so they are equally safe
in children ? - See more at:
Systematic wayto incorporate Operational research in health care system.
OR gives scientific evidences for programs concerning furtherance of
health and controlling disease; which enhances the program quality, success and
learning as program accentuates. Collaboration between, global fund to fight
AIDS, TB, Malaria, special program for research and training in tropical
disease (TDR) and interagency technical working groups gave rise to the
framework for operations and implementation research in health and disease
control programs. These programs were aimed at standardization of OR practices
across international community and its integration with health programs. These
agencies recommend appropriate use of framework for integration of OR in a
systemic way, between programs and agencies, so that learning quality and
success of health services may be enhanced as program accentuates. OR should be
incorporated as necessary part of Monitoring and Evaluation (M&E) efforts,
so that M\\\'OR\\\'E (Monitoring and Evaluation in OR) may prove to be a fresh
prototype to method for including research, evaluation, monitoring as single
component into program management systems. It strengthens program
implementation as well as help in effective use of M and E resources. - See moreat:
EFFECT OF AQUEOUS EXTRACT OF NEEM (AZADIRACHTA INDICIA) LEAVES ON PLANT DEVELOPMENT AND LIVER ENZYMES IN RATS.
Background: Herbicides have been used widely and intensively in
agricultural areas around the globe to enhance crop yield. However, many
biocides are causing serious environmental problems and may possess critical
risks on treated agricultural crops. Materials and Methods: The study was
designed to investigate the effects of biocides (azadirachta) treatment at
different concentrations (0, 5, and 10) on few chemical constituents in plant
leaves. Furthermore, the study also illustrated the extent to which an organic
fertilizer could enhance deleterious impact of azadirachta indicia on plant
growth. Lastly, in this study, lab experiments were performed on rats to
examine influence of leaf on their liver function.The results were determined
by one way Anova analysis of variance . Results: This study exhibits that low
and high of Azadirachtin produced significant increase in total and soluble
sugar content, compared with normal and fertilizer treated groups. Synchronized
treatment of fertilizer with Azadirachtin in low and high dose showed
significant increase in total and soluble content in contrast to normal and
fertilizer groups. However, there is an exception of significant decrease in
total sugar with high dose of Azadirachtin. Proline contents significantly
increased in fertilizer treated group, while contents decrease significantly in
other treated groups compared with normal and fertilizer. Chlorophyll A and
chlorophyll B significantly increased in fertilizer treated groups. Low and
high dose of Azadirachtin induced significant decrease in chlorophyll A and
chlorophyll B content when compared with fertilizer treated group. High dose of
Azadirachtin and low dose with fertilizer treated groups induced significant
decrease in carotein content. Rats in all treated groups were observed with
significant level of increase in AST activity with high dose of Azadirachtin
group. LDH activity increased significantly in high dose of Azadirachtin .
Total protein level, significant decrease was recorded in low dose of
Azadirachtin group . Significant increase was observed in high dose of
Azadirachtin alone, and in both high and low doses with fertilizer groups
Conclusions: The study argued that biocides have their impacts on plant leaves.
Hence, it is necessary to stay aware of chemical types applied on crops.
Awareness should not limit to environmental contamination and toxicity, but
their effects on crops should also be considered to obtain good quality of
agricultural products for healthy consumption. The current investigation
adequately proves that azadirachta indicia leaves are an effective
heptaprotective agent at low dose. - See more at:
INTEGRATED MANAGEMENT OF CHILLI LEAF SPOT CAUSED BY ALTERNARIA ALTERNATA AND CERCOSPORA CAPSICI UNDER FIELD CONDITIONS. -
With regards to management of Alternaria and Cercospora leaf spot
diseases of chilli, lowest per cent disease index was observed in combination
spray of Tilt 25% EC @ 0.05% + Eucalyptus spp. @ 10% + Pseudomonas fluorescens @
5g/ lt which was followed by spray with Tilt 25% EC @ 0.05% + P. fluorescens@
5g/ lt. Plant height was maximum (at 75 and 105 day after transplanting) in
treatment with combination spray of Tilt 25% EC @ 0.05% + Eucalyptus spp. @ 10%
+ P. fluorescens @ 5g/ lt which was followed by spray with Tilt 25% EC @ 0.05%
+ P. fluorescens @ 5g/ lt. Number of fruits infected per plant was found less
in treatment with combination spray of Tilt 25% EC @ 0.05% + Eucalyptus spp. @
10% + P. fluorescens @ 5g/ lt which was followed by spray with Tilt 25% EC @
0.05% + P. fluorescens @ 5g/ lt. The maximum yield (286.67 g/plant) was
recorded in treatment Tilt 25% EC@ 0.05% + Eucalyptus spp. @ 10% + P.
fluorescens@ 5g/ lt. which was on par with treatment Tilt 25% EC@ 0.05% + P. fluorescens@
5g/ lt. (273.33 g/plant). - See more at
Survey of diseases of linseed (Linum usitatissimum L.) in Mayurbhanj district of Odisha. -
Linseed disease survey was conducted in the district of Mayurbhanj in
Odisha from 2000-2001 to 2008-2009 for nine years. The incidence of wilt,
Alternaria blight, powdery mildew and rust was nil to 7.6 %, nil to 80.0 %, nil
to 20.0 % and nil to 32.7 %, respectively over the years. Plant pathological
research programme and resistance breeding should be resorted to combat
Alternaria blight disease so that productivity of linseed remains stabilized. -See more at:
Micronutrient Research in India: Extent of deficiency, crop responses and future challenges.
Green revolution has greatly increased the food crop production in
India, but continuous cultivation of high yielding crop varieties have led to
depletion of native micronutrient soil fertility and now most of the soils are
showing sign of fatigue for sustaining higher crop production to meet the
increasing food demand of the country. In the post-Green Revolution period,
deficiencies of zinc (Zn) and boron (B) have constrained sustainable growth in
productivity of several field crops. Among micronutrients, Zn deficiency was
found widespread in Indian soils. Analysis of soils samples from different
states of India indicated that on an average 44, 33, 15, 13, 8 and 6% of the
samples were deficient in available Zn, B, iron (Fe), molybdenum (Mo), copper
(Cu) and manganese (Mn), respectively. Extensive micronutrient deficiencies
lead to decline in factor productivity even with balanced NPK fertilization.
Although the crop response to micronutrients application varies with soil type,
crops and genotype, agro-climatic conditions and severity of deficiency, an
enormous response to micronutrient fertilization has been reported in a wide
variety of crops including horticultural crops across the country. The results
indicated that soil application of 5 to 10 kg Zn ha-1 before sowing is the most
suitable method to manage Zn deficiency. The most effective method to
ameliorate Fe deficiency is to apply 3-4 foliar sprays of 0.5 to 1.0% ferrous
sulphate in standing crop at an interval of 10 days. For management of Mn
deficiency 3-4 foliar applications of 0.5-1.0% manganese sulphate are
economical than soil application of 40-50 kg Mn ha-1. Response of crops to B
application (0.5-2.5 kg B ha-1) was observed on boron deficient soils. The soil
application of boron is a better method of fertilization than foliar
application or seed soaking. - See more at:
SPECTROPHOTOMETRIC EVALUATION OF MICROLEAKAGE IN CLASS V CAVITY USING NEW GLASS IONOMER CEMENTS: AN IN VITRO STUDY. -
Objective: The aim of this study was to quantify the marginal leakage of
two glass-ionomer cements using spectrophotometer. Method and materials:
Standardized class V cavities were prepared on 60 extracted human maxillary
permanent first premolars, randomly assigned to two groups of 30 teeth each,
group A and group B. Group A was restored with Zirconomer and group B was
restored with GC Fuji IX Extra. Teeth were subjected to thermocycling and
stained with methylene blue. The microleakage was quantified
spectrophotometrically and the data were statistically analyzed with Student t
test. Results: Restorations of both the materials showed some microeakage in
Class V cavities and there were no significant differences statistically.
Conclusion: The sealing ability of GC Fuji IX Extra was much better than
Zirconomer and GC Fuji IX Extra exhibit better shade matching compared to
Zirconomer at cervical area of the teeth. - See more at:
PEROXISOME PROLIFERATORS-ACTIVATED RECEPTOR- GAMMA GENETIC POLYMORPHISM AND NONALCOHOLIC STEATOHEPATITIS, CAN IT PREDICT DISEASE PROGRESSION! -
Background and study aims:- nonalcoholic fatty liver disease (NAFLD) is
now the most common liver diseases. It progresses to liver cirrhosis with the
incidence of hepatocellular carcinoma. Multiple hits theory in NAFLD
progression indicates that genetic factors are important. Peroxisome
proliferators-activated receptor-gamma (PPAR-gamma) has an essential role in
the regulation of adipocyte-specific genes and lipid and glucose metabolism. We
aimed at evaluating the role of PPAR-gamma single nucleotide polymorphisms
(SNPs) in NAFLD and predicting its progression to nonalcoholic steatohepatitis
(NASH). Material and methods:- Fifty obese patients with NAFLD preliminary
diagnosed by liver ultra-sound were recruited. Full medical history,
anthropometric measurements, biochemical studies, liver biopsy for the NAS
score to identify NASH patients and the presence of fibrosis and assessment of
SNPs of C681G, C689T and C34G of PPAR-gamma by Polymerase chain
reaction-restriction fragmented length polymorphism (PCR-RFLP), were conducted
for each patient. Thirty ages matched average weight healthy adult had been chosen
as controls. Results:- The GG genotype of C681G was higher in cases (18%) than
in control (10%) and also of C34G was higher in cases (12%) than in control
(3.3%). The TT genotype of C689T was higher in cases (6%) than in control (0%).
The GG genotype of C681G was higher in NASH group (19.4%) than in non NASH
group (14.3%). Conclusion:- PPAR?gamma genetic polymorphism (C681G, C689T and
C34G) was raised in patients with NAFLD and also of (C681G and C34G) was raised
in cases with NASH but didn?t reach statistical significance.. - See more at:
Evaluation of Water Quality Index for the Groundwater in region around Buddha Nallah, Punjab, India. -
Buddha Nallah is a natural water stream. It passes through Ludhiana,
which is industrial town of Punjab. Effluents from industries and domestic area
joins stream and cause pollution. Pollution in stream leads to ground water
pollution of nearby region. Study was conducted to evaluate water quality index
(WQI) of ground water in region around Buddha Nallah in Punjab in districts
Rupnagar and Ludhiana, India. Water quality index was determined by taking
ground water samples from different sites during four different months over
span of one year and analyzing the samples for various physico-chemical
parameters. For evaluating WQI, eleven water quality features were studied; pH,
total hardness, total dissolved solids, electric conductivity, calcium,
magnesium, sodium, sulphate, phosphate, chloride and alkalinity. Results for
WQI of samples studied varies from 49.83 to 224.96. Results clearly shows that
in industrial town Ludhiana, ground water is polluted. WQI results were further
used to predicting ground water quality of area studied. - See more at:
LOCALIZED AGGRESSIVE PERIODONTITIS IN A THIRTEEN YEAR OLD: A CASE REPORT.
Introduction:-The previouslydescribed condition of localized juvenile
periodontitis has been replaced by the term localized aggressive periodontitis.
This condition presents a classic pattern and occurs in healthy children and
adolescents without clinical evidence of systemic disease. It is characterized
by the rapid and severe loss of alveolar bone around more than one permanent
tooth, usually the first molars and incisors. Case report:- A 13-year-old
female presented with clinical and radiographic evidence of severe attachment
loss around several permanent teeth. She had no history of systemic disease,
periodontal disease, or caries prior to the periodontal abscess that prompted
her referral. Conclusion:- The early diagnosis and the management of these
cases can help dentist to maintain the health and function of the permanent
teeth and their surrounding structures. - See more at:
IDIOPATHIC DILACERATION IN DECIDUOUS DENTITION: A CASE SERIES WITH REVIEW OF LITERATURE. -
The prevalence of traumatic injuries to the primary dentition ranges
from 11%?30%, but the incidence of dilacerated permanent teeth is very low and
disproportionate to high prevalence of trauma. Hence, traumatic injuries to the
primary dentition are unlikely to account for all cases of dilaceration and
especially those of primary teeth themselves. An idiopathic developmental
disturbance to deciduous dentition is proposed as another possible cause in
cases that have no clear evidence of traumatic injury. The prime objective of
the present article is to discuss cases of dilaceration in the deciduous
anterior teeth and review the previous studies on dilacerations of the
deciduous dentition. - See more at:
ANTIMICROBIAL ACTIVITY OF MEIZOTROPIS PELLITA (PATWA) AGAINST GRAMS POSITIVE AND GRAMS NEGATIVE BACTERIA. -
Meizotropis pellita (Fabaceae family), an endangered plant commonly
known as Patwa was screened for potential antimicrobial activity against
medically important bacterial strains, namely Bacillus subtilis, Staphylococcus
aureus Streptococcus pyogenes, Pseudomonas aeruginosa, Escherichia coli and
Klebsiella pneumoniae. The antimicrobial activity was determined in alcoholic
and aqueous extract using agar well diffusion method. The alcoholic extracts
have shown antimicrobial activity while aqueous extract was inactive against
all the tested bacterial strains. E.coli was the most resistant strain while
Staphylococcus aureus and Streptococcus pyogenes were most sensitive bacterial
strains. The results of the study suggest that the plant contain some important
bioactive compounds which can be used for development of new herbal drugs. -See more at:
MICROSCOPES IN ENDODONTICS - AN EYE FOR AN EYE
Endodontists have frequently boasted they can do much of their work
blindfolded simply because there is ?nothing to see.? The truth of the matter
is that there is a great deal to see if only we had the right tools. And now
clinicians have recognized that the use of magnification can improve the
performance of dental procedures. This article reviews and describes
application of surgical operating microscopes emphasizing its importance in
endodontic treatment . Its introduction into dentistry in the last fifteen
years, particularly in endodontics, has revolutionized how endodontics is
practiced worldwide. - See more at:
Hypoglycemic and Antioxidant Effects of Zinc oxide nanoparticals in alloxan-Induced Diabetes Rats.
Zinc oxide nanoparticles (ZnONPs) of average diameter of 45 ? 5.0 nm
were prepared using chemical reduction method and characterized by UV-Visible
spectroscopy, Scanning electron microscopy (SEM), Atomic force microscopy
(AFM), X-Ray diffraction (XRD) and Fourier Transmission Infrared spectroscopy
(FTIR). To test the ability of ZnONPs to ameliorate antihyperglycemic and the
oxidative stress status resulted in experimental diabetic rats induced by
alloxan, sixty male albino rats with weight 220 ? 25 grams and age of 9 months
were used in experimental design. Ten of them were served as control group and
fifty rats were injected with alloxan at the single intraperitoneal dose of 150
mg/kg. Then, subdivided into, diabetic, diabetic rats + ZnONPs I, received
single daily dose of 2.5 mg/kg b.w ZnONPs in suspension. Diabetic rats + ZnONPs
II, received a single daily dose of 5.0mg/kg b.w ZnONPs in suspension ,
diabetic rats + ZnONPs III, received a single daily dose of 10 mg/kg b.w ZnONPs
in suspension, diabetic rats + insulin; received a single daily subcutaneous
dose of insulin 2U/kg b.w. At the end of experimental time(60 days) the blood
glucose, serum insulin,glycoslated HbA1c, lipid peroxidation marker,
malondialdehyde (MDA), reduced glutathione (GSH) and serum activities of
superoxide dismutase (SOD), glutathione peroxidase (GPx) and Catalase (Cat)
were determined. Results showed a significant alteration in the activities of
SOD, GPx, CAT, MDA Insulin, HbA1c and FBS in animals treated of ZnONPs,
compared with diabetic or diabetic + insulin group and their control group. The
profound control of ZnONPs over the anti-oxidant enzymes in diabetic rats to
normal, by inhibition of lipid peroxidation and reactive oxygen species
generation during hyperglycemia evidence their antioxidant effect during diabetes.
The administration of ZnONPs at 10 mg/kg b.w exhibited an insistent control
over the blood glucose level, lipids and serum biochemical profiles in diabetic
rats near to the control group provokes their effective role in controlling and
increasing the organ functions for better utilization of blood glucose.
Histopathological studies revealed the non-toxic and protective effect of the
ZnONPs over the vital organs and can be used to ameliorate the hyperglycemia
and oxidative stress status. - See more at:
BLIND NASAL INTUBATION ITS RELEVANCE TODAY
Airway management is core for an anesthesiologist. Airway difficulties
during induction of general anesthesia are a concern for anesthesiologists.
Hence a good clinical judgment is important for selecting the method for airway
intervention. In patients of Mallampatti classification - IV or reduced mouth
opening there are three methods for securing the airway. The most advanced and
recommended method is awake nasal intubation using fibro-optic bronchoscope.
The second option is retrograde intubation. The last method is blind nasal
intubation. This method was regularly used to intubate patients of nil mouth
opening before the fibro-optic bronchoscope was introduced. In experienced
hands of an anesthesiologist, this is a very good method to secure the airway.
It requires very little time compared to the first two methods and does not
require expensive instruments. In today?s time blind nasal intubation is not
performed regularly as the modern anesthesiologists are more dependent on
instruments such as video- laryngoscope etc. However in centers where such
expensive instruments are not available or in remote centers, blind nasal
intubation can be the key for securing the airway for patients with difficult
airway. Here we report a patient who is a case of squamous cell carcinoma of
the cheek with reduced mouth opening posted for right wide excision of lip with
forehead flap sos radical neck dissection managed with blind nasal intubation.
- See more at:
TALOCALCANEAL COALITION A FREQUENTLY OVERLOOKED CONDITION.
Congenital tarsal coalition is a diagnosis that is often overlooked in
young patients who first present with foot and ankle pain. Tarsal coalition is
an abnormal fibrous, cartilaginous or osseous fusion of two or more tarsal
bones [1]. The prevailing etiologic theory for congenital coalitions is failure
of complete segmentation of mesenchyme with the absence of normal joint
formation. Approximately 50%?80% of cases of tarsal coalition are bilateral [2]
and more than 90% of coalitions are located between the calcaneus and the
navicular or between the talus and calcaneus [3]. Calcaneonavicular and
talocalcaneal coalitions have been reported to occur in approximately equal
frequency [4]. However, recent investigations suggest that calcaneonavicular
coaltions occur 3 times more frequently [5]. - See more at:
Assessment of Hepatic Fibrosis by Image Analysis Software in relation to Physiological Markers. -
Background: The chronic liver disease is one of the most deadly diseases
in Egypt and around the world; perfect diagnosis methods are urgently needed.
The proper assessment of liver fibrosis offers acute information for both
perfect diagnosis and accurate therapeutic decision-making. Although digital
image analysis (DIA) is a promising method for quantitative assessment of liver
fibrosis, it has not been fully evaluated in practice yet. The present study
was designed to explore the possibilities of using open access image analysis
software (ImageJ) for accurate quantitative assessment of liver fibrosis.
Methods: This study investigated the use of digital images analysis by software
ImageJ of liver sections stained by sirius red (SR). Reproducibility of this
technique was tested in comparison with the a semi-quantitative score of liver
fibrosis as well as other markers of fibrosis including physiological markers
of liver functions such as alanine transaminase (ALT), aspartate
aminotransferase (AST), alkaline phosphatase (ALP), gamma-glutamyl transferase
(GGT). In addition, it was tested compared to serum marker collagen IV (Col IV)
and hepatic hydroxyproline. Results: From physiological point of view; hepatic
hydroxyproline, serum Col IV and ALT showed higher accuracy, sensitivity and
specificity than other physiological markers with area under curve (AUC) of
0.935, 0.955 and 0.902 respectively. On the other hand, DIA of SR by ImageJ
software had shown the best accuracy with AUC of 1.0. In conclusions: our novel
data prove that the use of ImageJ with semiautomatic color segmentation is a
reliable and practical way of measuring collagen proportionate area. - See moreat
Perceptions towards evidence based practice among oral health professionalsin Mangalore, India. -
Background:-Evidence based practice (EBP) is a way to transfer evidence
obtained from research into everyday provision of health care services. A
dentist should not only know about the sources to obtain evidence, but also be
able to critically assess the mountain of research studies available. This
study was aimed to determine EBP knowledge, attitudes, confidence in critical
appraisal skills and methods for accessing evidence among oral health
professionals in Mangalore, India. Material and method:-We used a standardized
and validated 36 item EBP KACE (Knowledge, Attitudes, Confidence and Evidence)
questionnaire which consisted of 4 domains, Knowledge of Critical Appraisal,
Attitudes about Evidence-Based Practice, Confidence in Critical Appraisal
Skills and Accessing Evidence. Statistical analysis was performed using
student?s t test, binary logistic regression and bivariate correlation tests.
Results:-A total of 133 males and 231 females took part in the study (n=364).
Participants were divided into interns, postgraduate students and specialists.
Mean knowledge of postgraduates (2.45; SD 1.2) was highest. Attitudes levels
were similar for postgraduates (4.4; SD 2.5) and undergraduates (4.7; SD 2.6).
Postgraduate students were more aware of newer methods of accessing evidence
(4.1; SD 2.0) (p < 0.01) compared to others. Conclusions:-Postgraduates had
greater knowledge of EBP and better ideas of ways to access evidence. The
undergraduates showed a positive attitude and interest towards evidence based
practice. Hence, making evidence based practice a formalized part of dental
curriculum would enable young dentists to make optimal treatment decisions
essential in the interest of the patient as well as the community. - See moreat:
Association of TGF-β1 Polymorphism with Type 2 Diabetes Mellitus and Diabetic Nephropathy in Saudi Patients.
Diabetic nephropathy is the common process
that is leading to ESRD. Several studies showed that TGF-β is a major
anti-inflammatory cytokine involved in extracellular matrix deposition and
thickening of basement membrane of glomeruli. This study is aimed to evaluating
the association of TGF-β1 gene polymorphisms (869T/C) and (509C/T) with
complicated and uncomplicated type 2 diabetes mellitus. Methods: 250 Saudi male
classified into; 100 healthy males as control, 80 uncomplicated type 2 diabetes
mellitus male patients and 70 type 2 diabetes mellitus male patients with
nephropathy. Blood and urine samples were collected from all groups for
measurement of plasma glucose, urea, cholesterol, triglyceride, HDL-C, urea,
creatinine and TGF-β1. In addition a genotyping of TGF-β1 was done. Results:
our results showed a statistical difference in TGF-β1 levels in all groups,
also a positive correlation between hyperglycemia and HbA1c with TGF-β1 level
was detected. According genotype, only 869T/C genotypes are involved in
susceptibility to T2DM and diabetic nephropathy. Both TC and CC genotype are
higher in T2DM patients compared with control (P<0.05), while only CC is
higher in diabetic nephropathic patients compared with uncomplicated T2DM
(P<0.05). Conclusion: an increase TGF-β level may be involved in processes
of T2DM development and its nephropathic complication. In addition, the TC and
CC genotypes of TGF-β1 869T/C are more susceptible to T2DM, while only CC
genotype to diabetic nephropathy.see more
Field screening of linseed genotypes for resistance to wilt in the north central plateau zone of Odisha -
Two hundred ninety two genotypes of linseed including 61 local land
races of Odisha and 231 cross-derivatives and selections from different sources
within and outside Odisha were field-screened for resistance to wilt caused by
Fusarium oxysporum f. sp. lini (Bolley) Snyder and Hansen. The result revealed
65, 45 and 37 genotypes under immune, resistant and moderately resistant
categories, respectively. - See more at:
ANTHROPOMETRY AS TOOL FOR ASSESSING NUTRITIONAL STATUS OF ADOLESCENT TRIBAL POPULATION. -
Current status of tribal population as reported 2011 census is 8.6% of
the nation total population, whereas the tribal population of Maharashtra is
8.6 million. Tribal population of Buldhana District is 115,000(Revenue division
TRTI,Pune)Buldana District falls under Amravati division. It was of profound
interest to assess nutritional status of the adolescent tribal. However in
journal data are scanty on the anthropometry and nutritional status of various
tribal populations of India. For Anthropometry body weight in kg, height in
centimeters was measured. Further data of height and weight was subjected to
calculations values express with means standard deviation and compared with
NCHS standard deriving difference results presented in tabularly and
graphically. Data was further subjected to BMI values expressed with means and
standard deviation. BMI categories were observed by classifying data of BMI and
values expressed with percentage. Data on anthropometry revealed that both male
and females adolescent were falling short of height as less weight compared to
the NCHS standard. Classification of subjects based BMI revealed that
irrespective of sex and age groups, a major percentage was falling in normal
weight category, followed by under weight category. It has been recently
suggested that there is urgent need to evaluate the nutritional status of various
tribes in India. (Bose and Chakraborti, 2005, Bose et al 2006). - See more at:
IMPACT OF NUTRITION EDUCATION ON TRIBAL FEMALE APOLESCENTS OF BULDHANA DISTICT, MAHARASHTRA.
: Nutrition education is known to be important tool for improving the
dietary pattern of the community. World Health Organization(WHO)has defined
adolescent as the age between 10 to 19 years. Health scenario of the population
would remain incomplete if adolescent group is excluded.About 80% of the tribal
in India live in remote forest areas and hilly regions ,without an access to
the modern socio economic inputs. Current status of tribal population as
reported 2011 census is 8.6% of the nation total population, whereas the tribal
population of Maharashtra is 8.6 million. Tribal population of Buldana District
is 115,000(Revenue division TRTI,Pune)Buldana District falls under Amravati
division. Present study determines the effect of nutrition education on the
tribal. A pre survey was conducted to impart nutrition education and post was
conducted to see the effect of nutrition education. Five questions were framed
like (Use of fresh vegetable and fruits. Use of Multi grain flour. Method of
germination. Use of Milk and Milk product. Method of Fermentation.) pre and
post responses received. Purposes sampling method was use to collect data
interview and questionnaire was used to collect information A positive effect
of nutrition education was observed to improve the nutritional health and
status of tribal’s, the nutritionist and dietitians should extensively carry
nutritional educational programme in the adjoining tribal area. - See more at
Physiological responses of seaweeds extracts, benzyl adenine and paclobutrazol of wheat (Triticum aestivum L. Cultivar Misr 1) plants.
This study was carried out during season of 2014/2015 at Botanical
garden, Botany and Microbiology Dept., Fac. of sci., Al-Azhar Univ., Nasr City,
Cairo to investigate the effect of certain algal extracts at 2g/l and 4g/l
(Sargassum latifolium, Ulva rigida and Corallina elongate), Benzyladenine at
200 ppm and Paclobutrazol at 50 ppm on growth and metabolism of wheat plants.
Increases in shoot length, root length and fresh and dry weights of both shoots
and roots in response to all treatments. Data showed, general improvement in
all yield parameters as result of algae extracts, BA and significant increases
in yield of wheat plants in case of foliar treatment with pac. 50 ppm. The
highest value of weight of 100 seeds is 227% and No. of seeds/plant is 136% in
treated plants with Pacl. (50 ppm) as compared to control Photosynthetic
pigments (chl. a, chl. b and chl. a+b) and carotenoids generally, decreased in
response to all Ulva doses, Sarg. and BA 200 ppm. However, treated plants with
Corallina increased pigment contents of wheat plants. With respect to Pacl. 50
ppm, chlorophylls and carotenoids significantly increased at stage 2 and
decreased at stage 1.Carbohydrate contents of shoots decreased at stage 1 and
increased at second stage of growth in response to all applied substances
however, protein contents appeared approximate decreases in shoots of wheat
plants as a result of both sea weeds, BA 200 ppm and Pacl. 50 ppm0 . Hydrolytic
enzymes decreased at stage 1 and increased at the second stage of growth.
Carbohydrates and phenols contents of yielded seeds of wheat plants decreased
significantly in response to all applied substances in contrast, proteins in
most cases increased in response to all used treatments. - See more at:
MICRO TEACHING AND ASSESSMENT OF PRACTICAL SKILLS IN PRECLINICAL STUDENT BY POSTGRADUATE STUDENTS. -
To implement ways to improve learning in small groups, interacting with
them specifically in clinical and practical skill development and assessing
them to improve the quality of learning and teaching. Post graduates play a key
role in becoming a future Teacher. - See more at:
Impression of Esthetics with Removable Partial Dentures - A Review.
Removable partial denture is a revolting modality of treatment that we
still must rely upon for certain cases and is a part of the practice. The
increased emphasis on physical appearance in modern society has enlarged the
demand for esthetic dental restorations. Although the success of implant
dentistry has expanded the scope of esthetic fixed prostheses, many patients
demand a removable partial denture (RPD) for health, anatomic, psychological,
or financial reasons. This article thus focuses on the esthetic aspects that a
dentist must place importance upon during the designing and manufacture of
prosthesis to provide the attractive outcome. - See more at:
Saturday, 28 May 2016
EFFECT OF INTRAVAGINAL DEHYDROEPIANDROSTERONE ON VAGINA AND ENDOMETRIUM IN POSTMENOPAUSAL WOMENS
Objective:- To examine the effect of intravaginal dehydroepiandrosterone
on vagina and endometrium specially on symptoms and signs of vaginal atrophy
and sexual dysfunction in postmenopausal women. Material and Method:- Study was
conducted on 128 postmenopausal women between 40-75 year of age, presented with
symptoms of vaginal atrophy and sexual dysfunction. Vaginal pH was determined,
vaginal smear was examined for maturation index and maturation value, and endometrial
biopsy was taken before and after intravaginal application of 0.5%DHEA ovules
daily for 12 weeks. Results:- With DHEA, symptoms of sexual dysfunctions
decreased significantly in 67% women (p<0.05), vaginal symptoms improved in
60% women (p<0.05).Vaginal pH was decreased by 1.1?0.06 unit (p<0.0001).
Percentage of case with pH≤5 was increased to 79% from 34%, of parabasal cells
decreased from 59.84?2.0 to 30.59?0.98 (p<0.0001) and of superficial cells
increased by 8.66?0.18 (p<0.0001), maturation value increased by 20?0.63
(p<0.0001). Endometrial biopsy seen at the start of treatment remained
unaffected by DHEA. Conclusion:- DHEA has many benefits of estrogen, with no
side effects, and helps women with vaginal atrophy to stimulate the cellular
growth of the vaginal wall and increase vaginal secretion, thus restoring the
vagina to its youthful condition. - See more at:
CHANGES OF SERUM CARDIAC MARKERS AFTER ACUTE ATTACK OF MYOCARDIAL INFARCTION
CHANGES OF S. CARDIAC MARKERS AFTER ACUTE ATTACK OF MI BACKGROUND: Blood
testing for biomarkers of myocardial injury plays an important role for the
evaluation, diagnosis, and triage of patients with chest pain. The criteria for
the diagnosis of myocardial infarction have been redefined recently, as
reported in a document of the European Society of Cardiology (ESC) and the
American College of Cardiology (ACC), and require at least 2 of the 3 following
characteristics: (1) typical symptoms; (2) characteristic rise-and-fall pattern
of a cardiac markers or (3) a typical electrocardiogram (ECG) pattern involving
the development of Q waves. Currently serum troponins, can now detect extremely
small amounts of myonecrosis (<1.0 g), which, in the setting of an ACS, may
be associated with increased risk of complications. MATERIALS AND METHODS:
Patients are selected from those attending department of medicine, G.G.
Hospital, M.P. Shah Medical College, Jamnagar. Blood samples of patients were
taken to measure the serum LDH, Troponin I, CRP, CK-MB levels by ELISA (enzyme
linked immunosorbent assay) and their levels are compared with clinical
condition, ECG changes and prognosis of the patients. RESULT: Out of 100
patients studied 70 patients were in age group 40-70yrs, 74 patients were
having history of hyper tension and 55 patients were having complaint of chest
pain were diagnosed as having acute MI. CONCLUSION: Troponins are ideal markers
which enable early detection of patients with acute coronary syndrome whereas
inflammation markers are helpful in diagnosis and assessing the severity of
inflammation - See more at:
A NEW SPERM PREPARATION TECHNIQUE BY COMBINATION OF DENSITY GRADIENT CENTRIFUGATION AND GLASS WOOL FILTRATION TECHNIQUES VERSUS EACH ONE ALONE FOR INFERTILE MEN WITH ASTHENOZOOSPERMIA -
Background:- A variety of techniques have been developed to separate
motile and morphologically normal spermatozoa from other constituents of the
ejaculate to optimize successful assisted reproductive techniques. Objectives:-
To compare the asthenozoospermic semen outcomes of three in vitro sperm
activation (ISA) techniques and evaluate the efficacy, namely; Density gradient
centrifugation (DGC) technique, Glass wool filtration technique and Max pure
technique(combination of DGC and GWF techniques). Methods:- Forty three
infertile men with asthenozoospermia were involved in this study. Sperm
parameters assessed according to WHO (2010 and 1999). Post- activation of each
sample divided into three aliquots, the first one using DGC, the second using
GWF, and last one using Max pure technique. Results:- A significant increase
(P<0.05) of sperm motility, progressive sperm motility and normal sperm
morphology when using Max pure technique as compared to DGC and GWF techniques.
Also, there was a significant increase (P<0.05) for the same parameters when
using DGC technique as compared to the GWF technique. Conclusions:- Using Max
pure technique for semen sample with decreased in the sperm motility were
superior to that of DGC and GWF techniques. - See more at:
ASSOCIATION OF ADIPONECTIN GENE POLYMORPHISM rs266729 WITH ADIPONECTIN LEVELS IN TYPE 2 DIABETIC PATIENTS WITH AND WITHOUT CVD. IN AL-NAJAF GOVERNORATE, IRAQ.
Background:- Cardiovascular diseases are a group of disorders of the
heart and blood vessels. Adiponectin is an adipocyte-secreted protein with
insulin-sensitizing and anti-atherogenic properties. Many studies demonstrated
that polymorphisms within the adiponectin gene could be associated in T2DM with
and without CVD. Methods:- A case-control study was conducted to find the
association between SNP rs266729 in T2DM with and without CVD in Al-Najaf
Governorate, Iraq. The study included 203 T2DM patients with CVD randomly
selected based on World Health Organization (WHO) guideline and 133 T2DM
patients without CVD as controls group. DNA was extracted from blood and
genotyped by PCR-RFLP by using (Hha1) enzyme. Multinomial logistic regression
was applied to compare the proportions of genotypes and alleles. The odds ratio
for risk of developing CVD in T2DM was calculated with and without adjustment for
age, sex, and BMI. Results:- The frequency of G allele of rs266729 (C/G)
polymorphism was significantly lower (p=0.0001) in T2DM with CVD (27.3%)
compared to that without CVD (33.08%). The homozygous genotype (GG)
significantly (0R=7.570, CI 95%(1.597-32.530), P= 0.011) increased the risk of
T2DM with CVD seven folds with respect to those of the wild type (CC) after
adjustment age, sex, and BMI, furthermore the heterozygous (CG) genotype
significantly [0R=2.818,CI 95%(1.00-12.596), P= 0.050] raised the risk of T2DM
with CVD by two folds. Homozygous and heterozygous genotypes of rs266729
polymorphism exhibited significant association with decreased adiponectin
levels (P= 0.08). Conclusion:- Adiponectin gene polymorphism rs266729 is
involved in the pathogenesis of T2DM with CVD. In addition this SNP may play a
role in the development of cardiovascular diseases and metabolic syndrome by
affecting HDL and adiponectin levels. - See more at:
Biomarkers, Methods for Detection and Treatment of Breast Cancer.
Irritation expects a separating part in different sorts of advancement
and is known prohibited in their presentation and progress. Like this, it is in
a matter of seconds saw as a vital danger part of a few sorts of diseases, for
the case, ?bladders, prostrate and Breast?improvements. The disclosure of a
novel technique for affirmation Breast hurt malady in the investigation office
Moreover in easing mixes can have the colossal repercussions for the treatment
of advancement and, likewise, preventive and mindful treatment modalities.
Breast improvement is the most every now and again analyzed risk and the second
driving reason behind tumor-related passings. Updated insight of Breast
tumorigenesis may improve the movement of all the more serious prescriptions.
The clinical and over the top qualities of this Breast improvement subtype is
not yet totally gotten on. This study was given a development of essential,
preclinical and clinical studies. As a sure biomarker of reaction to a Breast
risk, we recognized this acumen reaction of tumor cells in the Breast. - Seemore at:
Should local health decision makers? use programme budgeting and marginal analysis (PBMA) as a basis for priority setting?
Decision makers in health care have to constantly face the problem of
allocating resources judiciously. In the face of competing demands for
healthcare, decision makers need to prioritise which interventions to fund.
Countries around the world are trying to make these allocations decisions based
on explicit framework. At a national or country level, decisions are taken
under certain rules and regulations. But many times, local decision makers need
to prioritise among different interventions. In these cases, the article looks
at Programme Budgeting and Marginal Analysis (PBMA) as an explicit priority
setting framework for the local level. The author looks into the reasons behind
the need for an explicit priority setting framework, the principles and steps
of PBMA and how it is helpful at the local level. - See more at
Insulin augmentation and glucagon inhibition in cinnamon treated diabetic rats. -
To clarify if changing the diet helps to prevent development of
diabetes, the current study aimed to provide the immunomodulatory effect of
cinnamon (CN) in improving the histological picture in the pancreatic tissue in
diabetic rats. This improving picture were visualized in the well-organized
islets containing increased number of ? cells, ? cells appeared with normal
chromatin distribution and normal cellular population. CN administration to
alloxan diabetic rats reduced serum glucose, triglyceride, total cholesterol,
LDL cholesterol levels and boosting the immune system by increasing
HDLcholesterol levels and insulin expression. In conclusion, the regular intake
of CN in the daily diet may show many immunological benefits. - See more at:
EFFECTIVENESS OF CREAATIVE ART ON SELF ESTEEM AMONG PHYSICALLY CHALLANGED CHILDREN. -
Children growth and development is continuous process. The developmental
progression of self esteem through once life span has beautifully explained in
psychosocial theory by Eric Erikson ?A study to evaluate the effectiveness of
creative art on self esteem among physically disabled children in special
school at Mysore? 60 samples were selected experimental and control group,
using non probability purposive sampling technique. The sample of the study
comprised children studying special school (Deaf and Dum) with the age group of
10-14 years, those who are fulfilling the inclusion criteria. Data collection
was done by using self esteem inventory scale to assess the self esteem among
special school children. In the analysis Experimental group? paired ?t? test
computed between mean pretest and post test level of self esteem was
significant at 0.05 level. Calculated ?t? value 23.74 greater than ?t? Table
valuet29=2.05. Creative art can provide the children easier way to express the
self esteem themselves as they are more naturally, artistic and creative, as a
parents respect the children?s activities and encourage in positive ways
especially physically challenged children. - See more at:
Simultaneous Quantification of T-Cell Receptor Excision Circles (TRECs) and K-Deleting Recombination Excision Circles (KRECs) by Real-time PCR. -
Background: The clinical experience gathered throughout the years
endorses primary immunodeficiency diseases (PIDs) awareness and guides research
into newborn screening and future therapeutic strategies.Combined T-cell
receptor excision circle levels (TRECs) and kappa-deleting recombination
excision circles (KRECs) assay paves the way to new potential applications in
this field. Objectives: We aimed to establish a technique for quantification of
TRECs and KRECs in Egyptian individuals in our laboratory and to set a lower
threshold of normal for TRECs and KRECs in pediatric population for different
age groups as a start for its implementation in newborn screening protocols for
PIDs. Methods: 50 apparently healthy children (25 males and 25 females) with age
ranging from 1 day to 16 years were analyzed..Combined quantification of TRECs
and KRECs in the genomic DNA of peripheral blood mononuclear cells was
performed using real-time quantitative PCR. Results: Individuals in the study
were divided in to 5 different age groups Data regarding lower threshold of
normal for TRECs and KRECs copies per ml of blood among the study group was
obtained. A highly significant negative correlation between TRECs and KRECs,
both calculated per 106 PBMCs and per ml of blood and age was observed. On the
contrary, there was no statistically significant differences in the studied
parameters between males and females when evaluated regardless of age (p
value=0.697). Conclusion: It appeared that it is technically feasible to
introduce the TRECs/KRECs quantitation by real time PCR into routine laboratory
practice to be used in the near future both for new born screening for PIDs -
See more at:
EVALUATION OF DIFFERENT MODALITIES OF SURGICAL TREATMENT IN EXTRACAPSULAR FRACTURE OF PROXIMAL FEMUR.
INTRODUCTION:The incidence of fracture around hip has increased a lot
with gradual increase in general life expectancy of the population. The
fracture around hip accounts for about one third of all hospitalized patients.
Among the different type of fractures around hip extracapsular fracture of
proximal end femur are most common. The incidence is more than the fracture
femoral neck proper. In elderly, 90% of extracapsular fracture results from
trivial injury while in young adult it results from high energy trauma like
motor vehicle accident. The incidence of extracapsular fracture in elderly is
more than fracture in young adult because of several factors like osteoporosis,
decreased muscle power, poor vision. These fractures are associated with a
substantial morbidity and mortality and account for a large amount of
expenditure in the treatment. Now days mode of treatment is changing from
conservative to surgical, so it need to study different treatment modality
forextracapsular fracture ofproximal femur. AIM AND OBJECTIVE:To assess and
evaluate different surgicalmodality of management in extracapsular fracture of
proximal femur. MATERIAL AND METHOD:This was prospective analytic study,
conducted at the Department of Orthopaedics and Traumatology, D.M.C.H., Laheriasarai,
Darbhanga in year 2007 to 2010. Total 32 Cases were selected by inclusion and
exclusion criteria. Out of 32 cases, 12 cases were treated with PFN and 20 with
DHS. All the operations were done under image intensifier control. Follow up of
the patients were done up to 48th postoperative weeks for the assessment of
functional and anatomical result. OBSERVATION AND RESULT:Present series is of
32 cases, of it 43.75% were male and 56.25% were female, Average age was 50-70
years. Most common mode of injury was trivial injury/minor slip comprising
46.87% patients in which 31.25% female and 15.62% male. Second commonest mode
of injury was Road Traffic accident comprising 25%, in which 15.62% were male
and 9.37% were female. The # was classified by EVAN’S classification, 59.37%
cases were of stable fracture, 28.12 of unstable type and 12.50% were
subtrochanteric type fracture. # were reduced under image intensifier and fixed
with D.H.S or P.F.N. by 3rd postoperative weeks, in PFN group 91.66% of cases
were partial weight bearing with crutches, But in DHS group by 6th
postoperative weeks 75% of cases partial weight bearing with help of crutches,
full weight bearing in P.F.N group was 12-18 wk and in D.H.S group it was 18-24
wk. 8% in P.F.N group and 15% in D.H.S group had superficial infection while
10% in D.H.S group had deep infection, no deep infection in P.F.N group.
CONCLUSION:In PFN group patients, blood loss and soft tissue dissection was
less as compared to DHS group patients.Within first 3 months PFN allowed a
faster postoperative restoration of walking ability as compared to DHS. It was
found that there was no major difference between PFN and DHS treatment group
long term follow-up in clinical and radiological features. - See more at:
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