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Articles by P. Gomathi
Total Records ( 2 ) for P. Gomathi
  Malaya Gupta , Upal Kanti Mazumder and P. Gomathi
  This study was designed to determine the antioxidant and antimicrobial properties of methanol extract of Galega purpurea (MEGP) (Papilionaceae) root in various systems. The antioxidant property was evaluated by two methods, namely the DPPH (1,1-diphenyl-2-picryl hydrazyl) test and the lipid peroxidation assay by using rat liver homogenate. In lipid peroxidation assay MEGP showed significant activity in all the tested concentrations and the results were dose dependent and comparable to that of the standard drug α-tocopherol. Also the extract inhibited DPPH radical at all concentration in a dose-dependent manner with a calculated IC50 = 51.5±0.02 μg mL-1. Further the extract was evaluated for its antimicrobial activity using disc diffusion method, with three gram positive, three gram negative and two fungal species. MEGP showed broad-spectrum antimicrobial activity against all the tested microorganisms. The results suggest that the methanol extract of G. purpurea root possesses significant antioxidant and antimicrobial properties.
  A. Issac Newton and P. Gomathi
  Global warming is the term used to describe a gradual increase in the average temperature of the Earth’s atmosphere and its oceans, a change that is believed to be permanently changing the Earth’s climate. There is great debate among many people and sometimes in the news on whether global warming is real. Study particularly concentrated about scientometric on the records indexed in the web of science database during the period 2008-2017, i.e., for 10 years on global warming. The researcher’s analysed the research publication that has been published only on ‘Global Warming’ climate and retrieved 19969 records. Methodology of this study was downloaded articles from the web of science database; the search term used was "Global warming" and considered as central keyword of the topic discussed. Each record contains English language abstract with the bibliographic information, e.g., researcher, name of journal, researcher address, affiliation, key words and cited items, etc., the downloaded data was analyzed for source items to find out the research trend. The downloaded data has been stored in MS-Excel files for further analysis. Objectives of the researche has been done under the growth of scholarly publications, ranked list of journals, form wise distribution of records, authorship pattern and researchers productivity, country-wise productivity, year wise distribution of records etc.
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