Micro-Analysis System for Glucose with an Electrochemically Actuated Sampling Mechanism

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A micro-analysis system that imitates a mosquito was fabricated by incorporating an electrochemical micro-sampling mechanism that uses an electrochemically generated or shrunk hydrogen bubble. The rates of growth and shrinkage of the bubble could be controlled by applying a potential. An external standard solution could be successfully withdrawn through a syringe needle using the sampling mechanism. A distinct current increase was observed in the on-chip glucose sensor following the withdrawal of the standard solution. The calibration curve was linear for glucose concentrations up to 10 mM.


  • IEEJ Transactions on Sensors and Micromachines

    IEEJ Transactions on Sensors and Micromachines 124(4), 148-149, 2004-04-01

    The Institute of Electrical Engineers of Japan

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