上海交通大学微纳科学技术研究院微米/纳米加工技术国家重点实验室薄膜与微细技术教育部重点实验室
纸质出版:2024
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王卓, 刘景全. 集成PVB修饰Ag/AgCl参比电极的pH传感硅探针阵列[J]. 传感器与微系统, 2024,(9):68-70.
王卓, 刘景全. 集成PVB修饰Ag/AgCl参比电极的pH传感硅探针阵列[J]. 传感器与微系统, 2024,(9):68-70. DOI: 10.13873/J.1000-9787(2024)09-0068-03.
介绍了一种带有集成Ag/AgCl参比电极的硅记录探针,通过表面聚乙烯醇缩丁醛(PVB)的修饰实现稳定的pH传感,用于应用神经科学。集成参比电极通过恒流电化学镀法实现银层的制备以及氯化,滴涂的PVB主要用作参比电极的保护膜,参比电极面积为0.44 mm
2
。最终硅记录探针的pH灵敏度为53.13 mV/pH
电位漂移为8 000 s下20 mV
并且探针工艺与硅基探针高度融合。总之,集成参比电极并且提高其稳定性对于生物传感器以及脑疾病诊断生物标志物的电化学检测具有重要意义。
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