Paper Title:
Electrocatalysis Property of DNA-Hydroxyapatite Modified Electrode on Chloramphenicol
  Abstract

An electroanalysis method of determining Chloramphenicol (CAP) based on the eletrocalysis property of DNA-hydroxyapatite modified electrode (dsDNA/HAp/GCE) was setted up. In KH2PO4-Na2HPO4 buffer solution with pH 6.0 cotaining 0.1 mol·L-1 KCl, the peak current was proportional to the concentration of CAP in the range of 2.80 × 10-7 to 3.60 × 10-6 mol·L-1, with a detection limit of 1.35 × 10-7 mol·L-1. The linear regress equation was ip (μA) = 5.865 + 0.4784 c (µmol·L-1), and the linear correlation coffcient was 0.9942. The method has been successfully applied to the quantitative analysis of CAP in real Chloramphenicol eye drops samples, which totally meet the demand of microanalysis. The relative standard deviation samples analysis results was 1ess than 3%.

  Info
Periodical
Advanced Materials Research (Volumes 306-307)
Chapter
Chapter 3: Optical and Electronic Materials
Edited by
Shiquan Liu and Min Zuo
Pages
323-326
DOI
10.4028/www.scientific.net/AMR.306-307.323
Citation
N. Zhang, Y. F. Zhao, Y. X. Dai, D. Wu, B. Du, Q. Wei, "Electrocatalysis Property of DNA-Hydroxyapatite Modified Electrode on Chloramphenicol", Advanced Materials Research, Vols. 306-307, pp. 323-326, 2011
Online since
August 2011
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Price
$32.00
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