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Search Results: 1 - 10 of 592 matches for " Smita Raut and Alekha Ghadai "
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Sangeeta Raut, Smita Raut and Alekha Ghadai
International Journal of Microbiology Research , 2012,
Abstract: Since plants are used as therapeutic agents, the present study was conducted to evaluate the phytochemical profile and antibacterial activities of extracts of. Eclipta alba and Tylophora indica .Studies on the antibacterial activity of methanol, petroleum ether and aqueous extracts of dry leaf, stem and root of Eclipta alba and Tylophora indica was evaluated using zone of inhibition studies and minimum inhibitory concentration. The microorganisms used include Escherichia coli, Micrococcus roseus and Pseudomonas flavescens . The extract exhibited antibacterial activity against these experimental strains. Methanol extracts shows higher degree of antibacterial activity than aqueous and petroleum ether extracts. The minimum inhibitory concentration ranged between 12.5mg/mL and 75mg/mL depending on microorganism and various extract. Screening of the phytochemical extracts revealed the presence of compounds like alkaloids, glycosides, tannins and flavonoids. Escherichia coli and Pseudomonas flavescens are more sensitive where as Micrococcus roseus is less sensitive to extracts of Eclipta alba and Tylophora indica. The experimental observation shows that Eclipta alba and Tylophora indica have antibacterial activity and can be used for therapeutic purposes.
Agroecological Survey of Cyanobacterial Population in Paddy Field Soils of Gunupur
Ghadai A.K.,Sahoo S.,Raut S.
International Journal of Agriculture Sciences , 2010,
Abstract: Cyanobacteria are the pioneer oxygenic, gram negative photosynthetic prokaryotes distributed inalmost all conceivable habitats. Cyanobacteria exhibit great diversity of forms and functions. Gunupur is apart of the southern belt of Orissa, rich in Cyanobactrial biodiversity in paddy ecologies. The study aimed tocharacterize the abundance and occurrence of Cyanobacteria in various paddy fields of Gunupur, identifythe isolates and determine diversity indices in relation to the genera wise distribution .Average populationcounts of various locations brought out the major diversity among the locations sampled. This study indicatethe maximum occurrence and abundance of Oscillatoriaceae and Nostocaeae in all sites of the Gunupurand Stigonemataceae shows less occurrence.
Role of α-1-antitrypsin and oxidative stress in emphysema
Anita M Raut, Suryakar AN, Smita D Mhaisekar, Dilip Mhaisekar
International Journal of Medical Research and Health Sciences , 2013, DOI: 10.5958/j.2319-5886.2.2.035
Abstract: In the lungs, deficiency of alpha-1antitrypsin can lead to the development of emphysema. Emphysema involves destruction of the lung’s air sacs (alveoli), where oxygen from the air is exchanged for carbon dioxide in the blood. Alpha 1-antitrypsin is a protein produced by the liver and that circulates in the blood. Among other functions, the protein protects the lungs so they can function properly. In people with the disorder, the liver produces too little or no alpha 1 -antitrypsin. Without enough alpha-1 antitrypsin, neutrophil elastase is free to destroy air sac tissue. 60 emphysema patients were included in the study. 100 healthy non-smokers’ were served as controls. Their baseline clinical examination, Alpha 1- antitrysin (AAT), malondialdehyde (MDA) and vitamin E were measured. The mean levels of Alpha 1 antitrysin and vitamin E in the patients at baseline were lower (P< 0.001) than the controls. The malondialdehyde were high (P<0.001) in the emphysema patients compared to controls. We found decreased levels of Alpha 1- antitrysin and vitamin E and increased levels of malondialdehyde (MDA). Thus the present study confirmed the existence of oxidative stress and altered levels of alpha 1- antitrypsin in emphysema patients.
The dark side of paclitaxel
Alekha K. Dash
Oncology Reviews , 2011, DOI: 10.4081/50
Abstract: The bark extract of Pacific Yew (Taxus brevifolia) was first reported to have anti-tumor activity in 1963. The active constituent responsible for this activity was later identified in 1971 as paclitaxel [1]. Paclitaxel is a cytotoxic drug used in the treatment of variety of tumors including ovarian, breast, and non-small-cell lung cancers...
Solid state fermentation of pomegranate seed for lovastatin production: a bioprocessing approach  [PDF]
Azza Naik, Smita Lele
Advances in Bioscience and Biotechnology (ABB) , 2012, DOI: 10.4236/abb.2012.35083
Abstract: This study reports lovastatin production by solid state fermentation using pomegranate seeds as a substrate. Six different fungal strains and several agro-industrial wastes were selected and screened. Various physico-chemical parameters were optimized to improve lovastatin. Moreover, chemical mutation was systematically employed to enhance lovastatin yield on selected strains. Productivity of 3 ± 0.06 mg lovastatin/gm dfm was obtained prior to optimization. One factor a time followed by Response Surface Methodology (RSM) gave 4.2 ± 0.10 mg lovastatin/gm dfm yield in an optimized setup with pomegranate seed powder (5 gms), KH2PO4 (0.1% w/v), glucose (5% w/v), moisture (60% w/w), pH 5 in a 15 days fermentation cycle. The production was further increased to 6.5 ± 0.08 mg lovastatin/gm dfm through chemical mutation of the strain. This process is simple and reproducible for the production of lovastatin using pomegranate seed as an agro-industrial waste.
Ab-Initio Structural Study of SrMoO3 Perovskite  [PDF]
Avinash Daga, Smita Sharma
Journal of Modern Physics (JMP) , 2012, DOI: 10.4236/jmp.2012.312238
Abstract: The equilibrium crystal structure parameter and bulk modulus of the SrMoO3 perovskite has been calculated with ab-initio method based on density functional theory (DFT) using both local density approximation (LDA) and generalized gradient approximation (GGA). The corresponding total free energy along with its various components for SrMoO3 was obtained. The lattice parameter and bulk modulus calculated for SrMoO3 within LDA are 3.99 A and 143.025 GPa respectively whereas within GGA are 4.04 A and 146.14 GPa respectively, both agree well with the available experimental data. The total energy calculated within LDA and GGA is almost the same however lower results are obtained for GGA. All calculations have been carried out using ABINIT computer code.
Posterior Polar Cataract and Its Management  [PDF]
Smita Anand, Nimmi Rani
Surgical Science (SS) , 2015, DOI: 10.4236/ss.2015.67046
Abstract: Although cataract surgery in posterior polar cataract is associated with posterior capsular rent and nucleus drop, by taking precautions the rate of complication can be decreased. The aim of this article is to review the etiology, pathogenesis, clinical features, and management of posterior polar cataract.
Elko and mass dimension one field of spin one half: causality and Fermi statistics
Dharam Vir Ahluwalia,Alekha Chandra Nayak
Physics , 2015, DOI: 10.1142/S0218271814300262
Abstract: We review how Elko arise as an extension of complex valued four-component Majorana spinors. This is followed by a discussion that constrains certain elements of phase freedom. A proof is reviewed that unambiguously establishes that Elko, and for that matter the indicated Majorana spinors, cannot satisfy Dirac equation. They, however do, as they must, satisfy spinorial Klein-Gordon equation. We then introduce a quantum field with Elko as its expansion coefficients and show that it is causal, satisfies Fermi statistics, and then refer to the existing literature to remind that its mass dimensionally is one. We conclude by providing an up-to-date bibliography on the subject.
Bechan Raut
International Journal of Pharmaceutical Sciences and Research , 2012,
Abstract: The ethnomedicinal practices appear to be a part of traditional system of treatment for domestic cattle in remote areas of Nepal. The knowledge of local healers with the utilization of biological resources in various ailments is still survived and is communicated verbally to limited family members. As a result, this knowledge is at threatened stage. Now days, documentation of traditional knowledge is receiving much attention. The study carried out in seven village development committees of Morang district concerns with the traditional uses of crude drugs obtained form 37 plant species belonging to 24 families which are used for the treatment of 21 common ailments of domestic cattle. Participatory Rural Appraisal (PRA) method was applied to collect the data. The information on the correct botanical sources, family, local name, plant part used, method of preparation and method of application of different crude drugs were investigated in this study.
WiMAX or LTE: Which Technology to Adopt? A Comprehensive Comparative Study
Suhas Raut
Communications of the IBIMA , 2009,
Abstract: The industry landscape in telecommunications is changing rapidly at the moment. Services are increasingly shifting from voice to data and from circuit-switched to packet-switched ones. LTE and WiMAX are the two technologies poised to dominate next generation mobile networks. Battle between LTE & WiMAX technologies is already heating up with WiMAX being ahead due to availability of standards through IEEE 802.16 and is up and running but lacks in substantial roll out plans due to cost. On the contrary, LTE upgrades from 3G networks are rumored to be as simple as slotting in a new card in the rack. Researchers and business community is divided over the choice of LTE and WiMAX. Few researchers feel that 3G LTE can bring substantial technologies and economical benefits to operators deploying mobile networks beyond 3G. This paper presents a comprehensive comparative study to help arrive at the choice between LTE and WiMAX.
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