A Novel Method to Determinate Nonylphenol Contents in Water Samples Based on Laccases Cetyltrimethyl Ammonium Bromide-Carbon Paste Electrode

Yan Qun Liu; Jian Jun Ding; Yong Liang; Wen Hong Qiu; Feng Luo; Hao Deng

doi:10.4028/www.scientific.net/AMR.550-553.2009

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553A Novel Method to Determinate Nonylphenol Contents...

A Novel Method to Determinate Nonylphenol Contents in Water Samples Based on Laccases Cetyltrimethyl Ammonium Bromide-Carbon Paste Electrode

Abstract:

The eznyme biosensor(EB) as a sort of biosensors are widely used analyse target substances from samples of medicine, environment and food processing in recent years. During the EB preparation, effective immobilization of enzyme is a key step related with the activity of enzyme and the lifetime of EB. In current research, a method to determine nonylphenol(NP) contents in the water samlples has been developed on the base of laccases cetyltrimethyl ammonium bromide -carbon paste electrode. The experimental results showed that the EB developed in this optimized conditions, its minimum detectable limit could reach 0.2µg／L, and the recovery was in the range from 91% to 109% at the concentrations form 3.0×10^-4 mol.L^-1 to 5.0×10^-6 mol.L^-1. The sensor is perfect which is convenient, effective, and cheap and really can be used practice.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

2009-2013

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https://doi.org/10.4028/www.scientific.net/AMR.550-553.2009

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Online since:

July 2012

Authors:

Yan Qun Liu, Jian Jun Ding, Yong Liang, Wen Hong Qiu, Feng Luo, Hao Deng

Keywords:

Cetyltrimethyl Ammonium Bromide, Laccase Biosensor, Nonylphenol

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