Common platform for bipotentiostatic biocatalytic sensors and DNA sensors with electronically addressed immobilization

27th International Spring Seminar on Electronics Technology: Meeting the Challenges of Electronics Technology Progress, 2004. Pub Date : 2004-05-13 DOI:10.1109/ISSE.2004.1490393

H. Santha, G. Harsányi, B. Sinkovics, A. Takács

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Abstract

A new miniaturized electrochemical cell has been designed and constructed by utilization of different electronics technologies. The 25-50 /spl mu/l capacity of the cylindrical shaped electrochemical cell has been built up by cutting circles in 5-10 overlapping layers of 400 /spl mu/m thick Teflon foil. This multilayer structure enables very flexible solutions for inlet and outlet of different materials into the electrochemical cell. The number of working electrodes of the biosensor substrates can vary between 1-80. The reference electrode has been made of a silver wire. The circular symmetry of the counter and reference electrodes and the pattern of the working electrode array allows bipotentiostatic measurements, thus, this flexible platform is suitable for a wide range of experiments of both bipotentiostatic biocatalytic sensors and DNA sensors with electronically addressed immobilization.

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双电位生物催化传感器和电子定位固定DNA传感器的通用平台

利用多种电子技术，设计并制造了一种新型的小型化电化学电池。通过在400 /spl mu/m厚的Teflon箔上切割5-10层重叠的圆，建立了25-50 /spl mu/l的圆柱形电化学电池容量。这种多层结构为不同材料进入电化学电池的入口和出口提供了非常灵活的解决方案。生物传感器衬底的工作电极的数量可以在1-80之间变化。参比电极是用银线制成的。计数器和参考电极的圆形对称以及工作电极阵列的模式允许双恒电位测量，因此，这个灵活的平台适用于双恒电位生物催化传感器和电子定位固定的DNA传感器的广泛实验。

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27th International Spring Seminar on Electronics Technology: Meeting the Challenges of Electronics Technology Progress, 2004.

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