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Sensors 2014, 14(1), 944-956; doi:10.3390/s140100944
Article

A Universal Spring-Probe System for Reliable Probing of Electrochemical Lab-on-a-Chip Devices

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Received: 20 November 2013 / Revised: 19 December 2013 / Accepted: 2 January 2014 / Published: 8 January 2014
(This article belongs to the Section Biosensors)
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Abstract

For achieve sensitivity in lab-on-a-chip electrochemical detection, more reliable probing methods are required, especially for repeated measurements. Spring-probes are a promising candidate method which can replace needle-like probes and alligator clips that usually produce scratches on the surface of gold electrodes due to the strong physical contacts needed for electrochemical measurements. The superior reliability of amperometric measurements by a spring-probe system was compared with results by conventional probing methods. We demonstrated that a universal spring-probe system would be potentially suitable to achieve high performance in lab-on-a-chip devices using electrochemical detection.
Keywords: spring-probe; reliability; probing system; electrochemical measurement; lab-on-a-chip spring-probe; reliability; probing system; electrochemical measurement; lab-on-a-chip
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lee, M.-K.; Lee, T.J.; Choi, H.W.; Shin, S.J.; Park, J.Y.; Lee, S.J. A Universal Spring-Probe System for Reliable Probing of Electrochemical Lab-on-a-Chip Devices. Sensors 2014, 14, 944-956.

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