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A Portable Potentiostat with Molecularly Imprinted Polymeric Electrode for Dopamine Sensing

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7 Author(s)
Chun-Yuen Huang ; Grad. Inst. of Commun. Eng., Nat. Univ. of Tainan, Tainan ; Mei-Hwa Lee ; Zong-Huan Wu ; Hong-Yi Tseng
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In this paper, we propose a low-cost and portable cyclic voltammetry potentiostat for the electrochemical dopamine biosensor designed with incorporation with artificial antibody (e.g. dopamine-imprinted polymers) as the sensing element. Its performance is evaluated by comparing the calibration curves of a dopamine biosensor with those obtained from very expensive commercial equipment. Experimental results show that good linearity and sensibility as well as low noise measurements are obtained. Moreover, because of the small size and low cost, the proposed potentiostat can be used directly in homecare applications in the future.

Published in:

Testing and Diagnosis, 2009. ICTD 2009. IEEE Circuits and Systems International Conference on

Date of Conference:

28-29 April 2009