EUROPEAN JOURNAL OF
PHARMACEUTICAL AND MEDICAL RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

European Journal of Pharmaceutical and Medical Research (EJPMR) has indexed with various reputed international bodies like : Google Scholar , Indian Science Publications , InfoBase Index (In Process) , SOCOLAR, China , Research Bible, Fuchu, Tokyo. JAPAN , International Society for Research activity (ISRA) , Scientific Indexing Services (SIS) , Polish Scholarly Bibliography , Global Impact Factor (GIF) (Under Process) , Universal Impact Factor , International Scientific Indexing (ISI), UAE  , Index Copernicus , CAS (A Division of American Chemical Society) USA (Under Process) , Directory of Open Access Journal (DOAJ, Sweden, in process) , UDLedge Science Citation Index , CiteFactor , Directory Of Research Journal Indexing (DRJI) , Indian citation Index (ICI) , Journal Index (JI, Under Process) , Directory of abstract indexing for Journals (DAIJ) , Open Access Journals (Under Process) , Impact Factor Services For International Journals (IFSIJ) , Cosmos Impact Factor , Jour Informatics (Under Process) , Eurasian Scientific Journal Index (ESJI) , International Innovative Journal Impact Factor (IIJIF) , Science Library Index, Dubai, United Arab Emirates , Pubmed Database [NLM ID: 101669306] (Under Process) , IP Indexing (IP Value 2.40) , Web of Science Group (Under Process) , Directory of Research Journals Indexing , Scholar Article Journal Index (SAJI) , International Scientific Indexing ( ISI ) , Scope Database , Academia , 

 ISSN 2394-3211

Impact Factor: 7.065

 ICV - 79.57

Abstract

GREEN SYNTHESIS OF SILVER NANOPARTICLES FROM AQUEOUS EXTRACT OF STEMODIA VISCOSA AND ITS EVALUATION OF ANTIMICROBIAL ACTIVITY

Karthigaiselvi K. and Sudha Rameshwari K.*

ABSTRACT

Silver nanoparticles are prepared from aqueous extract of Stemodia viscosa. The silver nanoparticles (AgNPs) were characterized by UV-Visible spectrometer. The synthesized silver nanoparticles were subjected to phytochemical screening and these particles were tested against selected clinical pathogens [E.coli, Staphylococcus aureus, Pseudomonas aeruginosa, Shigella flexneri, and Pseudomonas fluorescence]. The aqueous leaf extract of Stemodia viscosa was pale yellow in colour, and after the addition of aqueous silver nitrate, the colourless to honey brown within the 1 hours. It indicates the formation of silver nanoparticles. The UV- Vis analysis from 400-800 nm revealed that maximum absorbance. UV-Vis spectra of synthesized AgNPs, which give a sharp band at around 500 nm confirmed the presence of nanoparticles. The results of antimicrobial activity revealed that the AgNPs of Stemodia viscosa was found to be most effective against S.aureus with 27 mm in diameter, followed by P. aeruginosa with 25mm in diameter. From the above results, it was found out that AgNPs of Stemodia viscosa exhibit a remarkable antimicrobial activity. Hence, AgNPs of Stemodia viscosa can be used for the treatment of various diseases. This study suggests that this plant is used for the development of antimicrobial drug.

Keywords: Stemodia viscosa, silver nanoparticle, gram positive and gram negative bacteria.


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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database Academia