Document Detail


Synthesis and characterization of polyaniline/Ag-Pt nanocomposite for improved antibacterial activity.
MedLine Citation:
PMID:  23201713     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Polyaniline, polyaniline/Ag-Pt nanocomposite and bimetal (Ag-Pt) colloidal solution were chemically synthesized and characterized by UV-vis, XRD, FT-IR, TGA, HRSEM with EDAX and HRTEM techniques. The results reveal that there was a strong interaction between Ag-Pt nanocomposite and polyaniline chains. This interaction makes only small changes in the backbone chain of polyaniline/Ag-Pt nanocomposite when compared with polyaniline. TGA result revealed greater thermal stability of the composite. HRSEM images showed pebble like morphology for polyaniline/Ag-Pt nanocomposite. The average grain size of Ag-Pt nanoparticle was found to be 2-5nm, which is confirmed by HRTEM analysis. The polyaniline and polyaniline/Ag-Pt nanocomposite were tested for antibacterial activity. The composite showed improved inhibition efficiency with a maximum zone diameter of 30±1.25mm against Staphylococcus aureus. This is the first report on the synthesis and its antibacterial activity of polyaniline/Ag-Pt nanocomposite.
Authors:
Pandi Boomi; Halliah Gurumallesh Prabu; Jayaraman Mathiyarasu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-2
Journal Detail:
Title:  Colloids and surfaces. B, Biointerfaces     Volume:  103C     ISSN:  1873-4367     ISO Abbreviation:  Colloids Surf B Biointerfaces     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-12-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9315133     Medline TA:  Colloids Surf B Biointerfaces     Country:  -    
Other Details:
Languages:  ENG     Pagination:  9-14     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
Affiliation:
Department of Industrial Chemistry, School of Chemical Sciences, Alagappa University, Karaikudi 630003, Tamilnadu, India. Electronic address: pboomi1983@gmail.com.
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