Notice of retraction
Vol. 32, No. 8(2), S&M2292

ISSN (print) 0914-4935
ISSN (online) 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
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Sensors and Materials, Volume 14, Number 4 (2002)
Copyright(C) MYU K.K.
pp. 209-218
S&M483 Research Paper in Biosensors and Related Areas
Published: 2002

A Multifunctional Sensor-Chip based on Micromachined Chamber Array [PDF]

Jianzhong Zhu, Ziqiang Zhu, Zongsheng Lai, Rong Wang, Xiaqin Wu Guoxiong Zhang and Zongrang Zhang

Keywords: biosensor, potassium ion-selective-electrode, micromachining technology, chitosan membrane

This paper reports the fabrication and characterization of a sensor-chip based on a 2x2 microchamber array produced on silicon by anisotropic etching. The chip consists of a glucose sensor, a glutamate sensor, a galactose sensor and a potassium ion-selective-electrode. The structure of the microchamber-array has improved membrane adhesion and mechanical stability and can offer the place-selective immobilization of the enzymes. A chitosan membrane is used not only to immobilize the enzyme on the working electrode but also to prevent the penetration of interferents such as uric and ascorbic acids. The fabricated chips have shown attractive performances such as high sensitivity and good stability.


Cite this article
Jianzhong Zhu, Ziqiang Zhu, Zongsheng Lai, Rong Wang, Xiaqin Wu Guoxiong Zhang and Zongrang Zhang, A Multifunctional Sensor-Chip based on Micromachined Chamber Array, Sens. Mater., Vol. 14, No. 4, 2002, p. 209-218.



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