Document Detail


A novel route to prepare LaNiO(3) perovskite-type oxide nanofibers by electrospinning for glucose and hydrogen peroxide sensing.
MedLine Citation:
PMID:  23154514     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Perovskite-type oxide LaNiO(3) nanofibers (LNFs) have been successfully synthesized by electrospinning and sequential calcinations. The electrospun LNFs modified carbon paste electrode was used to construct a nonenzymatic hydrogen peroxide (H(2)O(2)) sensor and glucose biosensor for the first time. The LNFs composition was verified by X-ray diffraction, and the morphologies were examined by scanning electron microscopy and transmission electron microscopy. Cyclic voltammetry and amperometry were used to evaluate the catalytic activity of the LNFs modified electrode towards H(2)O(2) and glucose. By using LNFs as electrocatalysts, the modified electrode showed high electrocatalytic activity for the oxidation of H(2)O(2) and glucose. Under the optimized conditions, the H(2)O(2) sensor exhibited a low detection limit down to 33.9 nM with a wide linear range from 0.05 to 1000 μM. The nonenzymatic sensor also showed fast response, long-term stability as well as a low detection limit for glucose.
Authors:
Bijun Wang; Shuqing Gu; Yaping Ding; Yuliang Chu; Zhen Zhang; Xi Ba; Qiaolin Zhang; Xinru Li
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-15
Journal Detail:
Title:  The Analyst     Volume:  -     ISSN:  1364-5528     ISO Abbreviation:  Analyst     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372652     Medline TA:  Analyst     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Chemistry, Shanghai University, Shanghai, 200444, P. R. China. wdingyp@sina.com.
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