Bulletin of the Korean Chemical Society

  • 제34권4호
  • /
  • Pages.1065-1069
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  • 2013
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Electrochemical Determination of Bisphenol A at Carbon Nanotube-Doped Titania-Nafion Composite Modified Electrode

  • 투고 : 2012.11.28
  • 심사 : 2013.01.07
  • 발행 : 2013.04.20
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초록

A highly sensitive electrochemical detection method for bisphenol A (BPA) has been developed by using multi-walled carbon nanotube (CNT)-doped titania-Nafion composite modified glassy carbon (GC) electrode. The CNT-titania-Nafion/GC electrode exhibited excellent electrocatalytic activity towards BPA. Therefore, the CNT-titania-Nafion/GC electrode showed improved voltammetric responses for BPA compared to that obtained with bare GC electrode. In addition, cetyltrimethylammonium bromide (CTAB), a cationic surfactant, was added into the BPA sample solution in order to accumulate BPA through hydrophobic interaction between CTAB and BPA. The CNT-titania-Nafion/GC electrode gave a linear response ($r^2$ = 0.999) for BPA from $1.0{\times}10^{-8}$ M to $5.0{\times}10^{-6}$ M with a detection limit of $9.0{\times}10^{-10}$ M (S/N = 3). The modified electrode showed good selectivity against interfering species and also exhibited good reproducibility. The present electrochemical sensor based on the CNT-titania-Nafion/GC electrode was applied to the determination of BPA in food package samples.

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피인용 문헌

  1. A micellar sensitized kinetic method for quantification of low levels of bisphenol A in foodstuffs by spectrophotometry vol.9, pp.7, 2017, https://doi.org/10.1039/C6AY03064E
  2. Non‐Covalent Functionalization of Graphene with Bisphenol A for High‐Performance Supercapacitors vol.33, pp.2, 2013, https://doi.org/10.1002/cjoc.201400740
  3. An Electrochemical Sensor Based on Nitrogen‐doped Carbon Nanofiber for Bisphenol A Determination vol.28, pp.3, 2016, https://doi.org/10.1002/elan.201500287
  4. Electrochemical sensing and bio-sensing of bisphenol A and detection of its damage to DNA: A comprehensive review vol.15, pp.None, 2013, https://doi.org/10.1016/j.sbsr.2017.07.002