Development of an Electrogenerated Chemiluminescence Biosensor using Carboxylic acid-functionalized MWCNT and Au NanoparticlesReportar como inadecuado




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Department of Chemistry, BK 21 NanoBiosensor Research Team, Hannam University, Daejeon 305-811, Republic of Korea





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Abstract A COOH-F-MWCNT-Nafion-Rubpy32+-Au-ADH electrogenerated chemi-luminescence ECLelectrode using COOH-functionalized MWCNT COOH-F-MWCNT and Au nanoparticles synthesized by the radiation method was fabricated for ethanol sensing. A higher sensing efficiency for ethanol for the ECL biosensor prepared by PAAc-g-MWCNT was measured compared to that of the ECL biosensor prepared by PMAc-g-MWCNT, and purified MWCNT. Experimental parameters affecting ethanol detection were also examined in terms of pH and the content of PAAc-g-MWCNT in Nafion. Little interference of other compounds was observed for the assay of ethanol. Results suggest this ECL biosensor could be applied for ethanol detection in real samples. View Full-Text

Keywords: Rubpy32+; Electrogenerated chemiluminescence; COOH-functionalized MWCNT; Au nanoparticle; ethanol; biosensor; real sample Rubpy32+; Electrogenerated chemiluminescence; COOH-functionalized MWCNT; Au nanoparticle; ethanol; biosensor; real sample





Autor: Ming-Hua Piao, Dae-Soo Yang, Kuk-Ro Yoon, Seung-Ho Lee and Seong-Ho Choi *

Fuente: http://mdpi.com/



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