Document Detail

Electrochemical detection of E. coli O157:H7 using porous pseudo-carbon paste electrode modified with carboxylic multi-walled carbon nanotubes, glutaraldehyde and 3-aminopropyltriethoxysilane.
MedLine Citation:
PMID:  23030009     Owner:  NLM     Status:  In-Process    
Fabrication of three different electrodes based on functional porous pseudo-carbon paste electrodes (PPCPEs) was described. PPCPEs were modified with carboxylic multi-walled carbon nanotubes (PPCPE-COOH), glutaraldehyde (PPCPE-CHO) and 3-aminopropyltriethoxysilane (PPCPE-NH2). The modified electrodes were applied in detection of E. coli O157:H7, it was showed that the electrochemical signal of PPCPE-CHO was the strongest among those three kinds of electrodes. A linear relationship between the anodic stripping peak current and the concentration of E. coli O157:H7 from 1.0 x 10(3) to 1.0 x 10(7) cells/mL and a limit of detection as low as 8.0 x 10(2) cells/mL were obtained when PPCPE-CHO was used.
Lijian Xu; Jingjing Du; Yan Deng; Nongyue He
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of biomedical nanotechnology     Volume:  8     ISSN:  1550-7033     ISO Abbreviation:  J Biomed Nanotechnol     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-10-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101230869     Medline TA:  J Biomed Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1006-11     Citation Subset:  IM    
Hunan Key Laboratory of Green Packaging and Application of Biological Nanotechnology, Hunan University of Technology, Zhuzhou 412007, PR China.
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