用于增强化学传感的原位 pH 值调节:策略与应用

IF 3.4 Q2 CHEMISTRY, ANALYTICAL
Fabian Steininger, Klaus Koren
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引用次数: 0

摘要

pH 值是化学中的关键参数之一,影响着几乎所有化学和生物过程。此外,在分析化学和传感领域,pH 值也起着至关重要的作用。本综述强调了 pH 值控制在克服复杂样品基质和动态环境条件带来的分析挑战中的关键作用。它探讨了在局部范围内控制 pH 值的可用工具,以及如何应用这些工具来提高传感器性能。我们将重点放在已经或可以利用 pH 值调节来提高化学传感能力的四个关键领域:i) 传感碱度和缓冲能力;ii) 样品预处理;iii) 传感 pH 值依赖性分析物;iv) 减少生物污损。我们分析了现有的策略,同时也试图找出尚未探索的、可能具有潜力并可用于传感的可能性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

In Situ pH Modulation for Enhanced Chemical Sensing: Strategies and Applications

In Situ pH Modulation for Enhanced Chemical Sensing: Strategies and Applications

pH is one of the key parameters in chemistry and impacts almost all chemical and biological processes. Also, within analytical chemistry and sensing, pH plays a critical role. This review underscores the critical role of pH manipulation in overcoming analytical challenges posed by complex sample matrices and dynamic environmental conditions. It explores the available tools to control pH at a local scale and how those are or can be applied to improve sensor performance. We focus on four key areas where pH modulation has been or could be leveraged to advance chemical sensing capabilities: i) sensing alkalinity and buffer capacity, ii) sample pretreatment, iii) sensing pH dependent analytes and iv) reducing biofouling. We analyze existing strategies, but also try to identify unexplored possibilities which may have potential and can be exploited for sensing.

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