Stable and Sensitive Amperometric Determination of Endocrine Disruptor Bisphenol A at Residual Metal Impurities Within SWCNT

Stable and Sensitive Amperometric Determination of Endocrine Disruptor Bisphenol A at Residual... A simple and attentive method was attempted for the determination of endocrine disruptor molecule, Bisphenol A (BPA) using residual metal impurity act as a reactant present in as received SWCNT. The electrochemical behavior of BPA oxidation and its reaction mechanism was investigated by cyclic voltammetry using “as received SWCNT modified on glassy carbon electrode” (SWCNT/GCE) and the obtained results were compared with bare GCE. The SWCNT/GCE showed high electrocatalytic activity, sensitivity, stability and more importantly not much surface fouling compared with bare GCE. This is because of the formation of electroactive quinone and catechol as byproducts on SWCNT/GCE during electro‐oxidation of BPA. More interestingly, the electrochemically acid treated SWCNT/GCE not showed any characteristic oxidation and reduction peaks during electro‐oxidation of BPA which indicates that the presence of a residual metal impurity in SWCNT plays a vital role in electro‐oxidation of BPA. The amperometric detection of BPA oxidation on SWCNT/GCE showed excellent stability and good linear response from the wide range of concentration of 10–100 μM. The limit of detection and sensitivity of BPA electro‐oxidation on SWCNT/GCE is to be 7.3 μM (S/N=3) and 0.6494 μA/μM cm2 respectively. Finally, the fabricated sensor using SWCNT/GCE was successfully applied for the detection of BPA in plastic water bottles with excellent recovery range from 98–102 %. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Electroanalysis Wiley

Stable and Sensitive Amperometric Determination of Endocrine Disruptor Bisphenol A at Residual Metal Impurities Within SWCNT

Loading next page...
 
/lp/wiley/stable-and-sensitive-amperometric-determination-of-endocrine-disruptor-20B53YUgx2
Publisher
Wiley Subscription Services, Inc., A Wiley Company
Copyright
© 2018 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1040-0397
eISSN
1521-4109
D.O.I.
10.1002/elan.201700596
Publisher site
See Article on Publisher Site

Abstract

A simple and attentive method was attempted for the determination of endocrine disruptor molecule, Bisphenol A (BPA) using residual metal impurity act as a reactant present in as received SWCNT. The electrochemical behavior of BPA oxidation and its reaction mechanism was investigated by cyclic voltammetry using “as received SWCNT modified on glassy carbon electrode” (SWCNT/GCE) and the obtained results were compared with bare GCE. The SWCNT/GCE showed high electrocatalytic activity, sensitivity, stability and more importantly not much surface fouling compared with bare GCE. This is because of the formation of electroactive quinone and catechol as byproducts on SWCNT/GCE during electro‐oxidation of BPA. More interestingly, the electrochemically acid treated SWCNT/GCE not showed any characteristic oxidation and reduction peaks during electro‐oxidation of BPA which indicates that the presence of a residual metal impurity in SWCNT plays a vital role in electro‐oxidation of BPA. The amperometric detection of BPA oxidation on SWCNT/GCE showed excellent stability and good linear response from the wide range of concentration of 10–100 μM. The limit of detection and sensitivity of BPA electro‐oxidation on SWCNT/GCE is to be 7.3 μM (S/N=3) and 0.6494 μA/μM cm2 respectively. Finally, the fabricated sensor using SWCNT/GCE was successfully applied for the detection of BPA in plastic water bottles with excellent recovery range from 98–102 %.

Journal

ElectroanalysisWiley

Published: Jan 1, 2018

Keywords: ; ; ; ; ;

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Unlimited reading

Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.

Stay up to date

Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.

Organize your research

It’s easy to organize your research with our built-in tools.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve Freelancer

DeepDyve Pro

Price
FREE
$49/month

$360/year
Save searches from Google Scholar, PubMed
Create lists to organize your research
Export lists, citations
Read DeepDyve articles
Abstract access only
Unlimited access to over
18 million full-text articles
Print
20 pages/month
PDF Discount
20% off