Issue 20, 2012
From the journal:

Nanoscale

An excellent enzymatic lactic acid biosensor with ZnO nanowires-gated AlGaAs/GaAs high electron mobility transistor

Siwei Ma,a   Qingliang Liao,a   Hanshuo Liu,a   Yu Song,a   Ping Li,a   Yunhua Huang*a  and  Yue Zhang*ab  

* Corresponding authors

a State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, People's Republic of China

b Key Laboratory of New Energy Materials and Technologies, University of Science and Technology Beijing, Beijing, People's Republic of China

Abstract

An excellent biosensor with ZnO nanowires-gated AlGaAs/GaAs high electron mobility transistor (HEMT) was used to detect lactic acid. Due to the new structure, addition of the Si-doped GaAs cap layer, the HEMT biosensor could detect a wide range of lactic acid concentrations from 0.03 nM to 300 mM. The novel biosensor exhibiting good performance along with fast response, high sensitivity, wide detection range, and long-term stability, can be integrated with a commercially available transmitter to realize lactic acid detection.

Graphical abstract: An excellent enzymatic lactic acid biosensor with ZnO nanowires-gated AlGaAs/GaAs high electron mobility transistor

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Article information

DOI
https://doi.org/10.1039/C2NR31708G
Article type
Paper
Submitted
03 Jul 2012
Accepted
15 Aug 2012
First published
17 Aug 2012

Nanoscale, 2012,4, 6415-6418

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An excellent enzymatic lactic acid biosensor with ZnO nanowires-gated AlGaAs/GaAs high electron mobility transistor

S. Ma, Q. Liao, H. Liu, Y. Song, P. Li, Y. Huang and Y. Zhang, Nanoscale, 2012, 4, 6415 DOI: 10.1039/C2NR31708G

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