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Updated: May 12, 2026

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推进极性超越设计:开发具有扩展检测范围的光电化学传感器

Zi-Long Ma1, Shi-Yao Song2, Xu-Fei Sun1

  • 1School of Chemistry and Chemical Engineering, Guangxi Minzu University, Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Laboratory of Optic-electric Chemo/Biosensing and Molecular Recognition, Education Department of Guangxi Zhuang Autonomous Region, Nanning, 530006, China.

Biosensors & bioelectronics
|September 3, 2024
PubMed
概括

这项研究引入了光电化学 (PEC) 传感器的新"极性超越"设计,使得检测范围更广. 新的BESOPS模式为检测let-7a等分析物提供了更高的灵敏度和精度.

关键词:
背景增强信号关闭极性可切换传感器级联放大器的级联放大器连锁剪裁 连锁剪裁 连锁剪裁超越极性的极性.宽动态范围传感器 宽动态范围传感器

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Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at the...