Molecularly Imprinted Nanosilica Solid-Phase Extraction for Bisphenol A in Fish Samples

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• 作者：Fangdi Wei (1)
  Xiangping Liu (2)
  Meijuan Zhai (1)
  Zheng Cai (1)
  Guanhong Xu (1)
  Jing Yang (1)
  Shuhu Du (1)
  Qin Hu (1)
  
• 关键词：Bisphenol ; BPA ; imprinted nanosilica ; Molecularly imprinted solid ; phase extraction ; Fish samples
• 刊名：Food Analytical Methods
• 出版年：2013
• 出版时间：April 2013
• 年：2013
• 卷：6
• 期：2
• 页码：415-420
• 全文大小：234 KB
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• 作者单位：Fangdi Wei (1)
  Xiangping Liu (2)
  Meijuan Zhai (1)
  Zheng Cai (1)
  Guanhong Xu (1)
  Jing Yang (1)
  Shuhu Du (1)
  Qin Hu (1)
  
  1. School of Pharmacy, Nanjing Medical University, Nanjing, China
  2. Nanjing Center for Disease Control and Prevention, Nanjing, China
  
• ISSN：1936-976X

文摘

This paper reports a method using molecularly imprinted nanosilica as the solid-phase extraction sorbent to extract bisphenol A (BPA) from fish samples. The selective extraction efficiency of BPA from its structure-analogous by molecularly imprinted solid-phase extraction (MISPE) was compared with commercial C18 SPE column. The reproducibility of MISPE and optimal flow rate of sample were studied. There was a linear correlation in the concentration range of 0.7鈥?14.1聽渭g聽l鈭? of BPA (r鈥?鈥?.997). The limit of detection (LOD) based on three times ratio of signal to noise was 0.11聽渭g聽l鈭?. Under optimal conditions, the proposed method was applied to the analysis of BPA in fish samples. The amount of BPA in bream was 4.00聽渭g聽kg鈭?, and both concentrations of BPA in crucian and weever were below the LOD. The recoveries of BPA standard solution spiked with fish samples were in the range of 92.56鈥?02.3聽% with the relative standard deviation less than 10聽%.