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pH-LAPS是一种新型半导体生化传感器,本文对其pH响应机制进行了探讨.分析了电解液-敏感膜界面的选择性吸附过程,利用电化学理论得到界面势与液体pH值的定量关系,结果与实验一致.
pH-LAPS is a new kind of semiconductor biosensor, and its mechanism of pH response is discussed in this paper.Selective adsorption process of electrolyte-sensitive membrane interface is analyzed, and the quantitative relationship between interface potential and liquid pH is obtained by electrochemical theory. The result is consistent with the experiment.