Formaldehyde Biosensor with Formaldehyde Dehydrogenase Adsorped on Carbon Electrode Modified with Polypyrrole and Carbon Nanotube

HTML  Download Download as PDF (Size: 289KB)  PP. 135-138  
DOI: 10.4236/eng.2012.410B035    3,850 Downloads   5,198 Views  Citations

ABSTRACT

In this study, a carbon electrode electroless polymerization of polypyrrole, which formed a layer of conductive film interface,then absorped a layer of carbon nanotube particles by the way of self-assembled, is studied. The modified electrode is used to electrostatic adherence of formaldehyde dehydrogenase, with Nafion solution capped. Moreover this paper discusses the work of electrode position,  PH value and scanning speed on the influence of the electrode response, the response potential is -1.2v, the optimal PH value is 7.5, and we also review the linear range of this electrode, we discovered taht this biosensor have a good linear relationship with the concentration of 1ug/ml-360ug/ml, the Correlation coefficient is 0.9983. In addition,with the stability of this electrode tested, it can be stored 15d at4°C.

Share and Cite:

M. Wang, S. Jiang, Y. Chen, X. Chen, L. Zhao, J. Zhang and J. Xu, "Formaldehyde Biosensor with Formaldehyde Dehydrogenase Adsorped on Carbon Electrode Modified with Polypyrrole and Carbon Nanotube," Engineering, Vol. 4 No. 10B, 2012, pp. 135-138. doi: 10.4236/eng.2012.410B035.
Journals Menu
Follow SCIRP
Contact us
+1 323-425-8868
customer@scirp.org
WhatsApp +86 18163351462(WhatsApp)
Click here to send a message to me 1655362766
Paper Publishing WeChat

Copyright © 2024 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.