Four Element Microstrip Antenna Array with Electromagnetic Band Gap Structure and Silver Material Deposition for Reduced Mutual Coupling

This paper presents the performance of four element microstrip antenna array. The overall bandwidth of the microstrip antenna array with silver material coating is equal to 228.53 % as compared to 75.91 % without silver material coating. The microstrip antenna array with silver material coating of 30 mm thickness is producing good reduction in mutual coupling values at the resonant frequency of 5.53 GHz. Moreover, the radiation properties of antenna array are improved with good reduction in power radiated in the undesired direction. FR-4 glass epoxy substrate is used as dielectric substrate which has a dielectric constant of 4.2 and loss tangent of 0.0245. The microstrip antenna arrays are designed using Mentor Graphics IE3D software and the measured results are obtained using vector network analyzer

Tripe palm: a paraneoplastic manifestation of carcinoma stomach

Usually gastrointestinal malignancies present with low SAAG ascites. But when there is diffuse liver infiltration following malignancy, high SAAG ascites can occur. So liver infiltration can masquerade as cirrhosis. Malignant acanthosis and tripe palm are the paraneoplastic manifestations seen in GI malignancies. We are reporting a case which was initially managed as a  straightforward case of cirrhosis ,but later turned out to be a case with tripe palms, malignant acanthosis and carcinoma stomach as primary with diffuse liver infiltration having high SAAG ascites

Degradation of crude oil using the indigenous isolate Bacillus sp SEA18

Hydrocarbon contamination in the environment today is gaining more importance as they are carcinogenic and neurotoxic. Methods to degrade these hydrocarbons are rightfully demanding and researchers are on a lookout for new and indigenous species as they are sustained in that niche by utilizing the resources available. Because of the capabilities exhibited by bacteria in environmental remediation, this study, focuses on isolating an indigenous bacterium from oil-contaminated site and evaluate its potential in degrading oils. The isolate obtained was identified as Bacillus sp and was found to show the degradation of crude oil to an extent of 80% after 60 days of incubation. The analysis was confirmed by GC-MS analysis that showed a significant reduction in the number of hydrocarbons. This capability of this bacterium to produce biosurfactants promises this species to play a role in degradation as biosurfactants would enhance the degradation process. This study, therefore, reinforces the fact that indigenous species are potential hydrocarbon degraders due to their adaptability and endurance

Degradation of crude oil using the indigenous isolate Bacillus sp SEA18

317-326Hydrocarbon contamination in the environment today is gaining more importance as they are carcinogenic and neurotoxic. Methods to degrade these hydrocarbons are rightfully demanding and researchers are on a lookout for new and indigenous species as they are sustained in that niche by utilizing the resources available. Because of the capabilities exhibited by bacteria in environmental remediation, this study, focuses on isolating an indigenous bacterium from oil-contaminated site and evaluate its potential in degrading oils. The isolate obtained was identified as Bacillus sp and was found to show the degradation of crude oil to an extent of 80% after 60 days of incubation. The analysis was confirmed by GC-MS analysis that showed a significant reduction in the number of hydrocarbons. This capability of this bacterium to produce biosurfactants promises this species to play a role in degradation as biosurfactants would enhance the degradation process. This study, therefore, reinforces the fact that indigenous species are potential hydrocarbon degraders due to their adaptability and endurance

Relaxant effects of aqueous cold extracts of Carum copticum on smooth muscle

Background: The objective was to study the nature of relaxant effect of cold aqueous extracts of Carum copticum on rat alimentary tract and uterus.Methods: The aqueous cold extracts of Carum copticum (omum) whole seeds (OE1) or ground seeds (OE2) was prepared by leaving them (10g to 100mL) in distilled water for 4 hrs. Rat isolated tissues like stomach, duodenum, jejunum or uterus 4 cm pieces were mounted in a 20mL bath containing Tyrode solution or De Jalons at 37°C with continuous aeration. The effect of Carum copticum extracts and thymol on spontaneous activity of intestine and on acetylcholine (ACh), Histamine (H), Barium chloride (BaCl2) induced contractions or Adrenaline produced (Adr) relaxations were observed. Thymol content of omum was estimated by HPLC.Results: Omum extracts decreased or abolished spontaneous contractions of intestine but did not antagonize the contractions induced by ACh, H or relaxation induced by adrenaline. Thymol did not show any such effect. The stimulant action of BaCl2 was antagonized by aqueous cold extracts of omum similar to Papaverine.Conclusions: The relaxant effect of Carum copticum on rat intestine appears to be a direct effect on smooth muscle like papaverine

Running Out of Library Space: Sharing Remote Storage to Increase Cost-Savings and Conserve Space

A cooperative project between two urban academic medical libraries, the Himmelfarb Health Sciences Library (George Washington University Medical Center) and the Dahlgren Medical Library (Georgetown Medical Center), was designed to relocate all pre-1980 bound journal volumes to a remote-storage facility. This poster explores the goals, process, and results, both financially and physically, of the collaborative initiative

Assessment of feed and fodder availability and requirement in Andhra Pradesh

The present study aimed to estimate the feed and fodder demand for the existing livestock population and supply in Andhra Pradesh. For the study the secondary data was collected from the different sources. The livestock population was converted into Ruminant Livestock Units (RLU) based on the species, age and sex. Ruminant Livestock Units (RLU) were considered to have a body weight of 350 kg and a dry matter intake of 2 per cent of their body weight. The total RLU in the state is 9.24 million, requiring 23.61 million tonnes of feed and fodder on dry matter basis. Availability of dry fodder and concentrates were estimated using appropriate conversion ratios to different crop production while green fodder was estimated by applying per hectare yield to different fodder sources The total annual availability of feed and fodder in the state was estimated to be 33.13 million tonnes against the requirement of 23.61 million tonnes and thereby excess of around 40.35 per cent per annum. The availability of feed and fodder was excess in 9 districts except for the Visakhapatnam, Prakasam, Kadapa and Anantapuram districts of the state. Average dry matter availability in the state was 9.82 kg/RLU/day against the requirement (7 kg). Creation of fodder banks and transport fodder to the deficit areas of the country are the policies to be developed and need priority attention to solve the problem of fodder in deficit areas

Neuropathology of HIV/AIDS with an overview of the Indian scene

Neurological manifestations of HIV infection and AIDS are being recognized with a frequency that parallels the increasing number of AIDS cases. Next to sub-Saharan Africa, India has the second largest burden of HIV related pathology, essentially caused by HIV-1 clade C in both the geographic locales, in contrast to USA and Europe. But the true prevalence of HIV related neuroinfections and pathology is not available due to inadequate medical facilities, social stigma and ignorance that lead to underdiagnosis. Neurotuberculosis, followed by cryptococcosis and toxoplasmosis in various combinations are the major neuropathologies reflecting the endemicity and manifesting clinically by reactivation of latent infection. Discordance in the clinical prevalence of various infections, when compared to pathological studies highlight similarities in clinical, radiological modalities of diagnosis and inherent problems in establishing definitive diagnosis. Viral infections appear to be relatively rare. Inspite of heavy burden of HIV/AIDS, HIV associated neoplasia is infrequent, including primary CNS lymphomas. HIV encephalitis and HIV associated dementia are considered infrequent, though systematic studies have just been initiated in various centres. Peripheral neuropathy characteristically manifests with vasculitic neuropathy while diffuse infiltrative lymphocytosis syndrome (DILS) involving nerves has not been reported from India. Spinal cord pathology including vacuolar myelopathy is rare, even in asymptomatic cases. Till now the AIDS cases in India were drug naÏve but a new cohort of cases following initiation of HAART therapy as a national policy is soon emerging, altering the biology and evolution of HIV/AIDS in India. Lacunae in the epidemiology, diagnosis and study of biology of HIV/AIDS are outlined for future research