银离子比色检测技术研究进展

Research Progress on Silver Ion Colorimetric Detection

由于银离子(Ag^(+))会威胁人类健康和生态系统平衡,其检测在环境和食品领域引起了广泛关注。比色法是检测Ag^(+)最常用的方法之一,具有简单、易操作、可现场快速检测等优点。传感机理以及显色材料的发展是比色法领域的重要研究方向。综述了Ag^(+)比色检测技术的显色机理及其传感策略,将显色机理分为三类,包括酶催化、等离子体共振和化学显色,并对相应的显色材料进行了概括。讨论了Ag^(+)检测的传感机理、传感性能和实际样品应用,并总结了目前Ag^(+)比色法检测的挑战和前景,旨在帮助读者更好地理解Ag^(+)比色法的原理,推动重金属离子快速检测技术的发展。

Due to the threat of silver ions(Ag^(+))to human health and ecosystems balance,the detection of Ag^(+)has attracted much attention in the environmental and food fields.The colorimetric method is one of the most commonly used methods for the detec⁃tion of Ag^(+),which has advantages of simplicity,convenience of use,and quick on-site detection.The sensing mechanism and color development materials is an important research direction in the field of colorimetric method.In this paper,we reviewed the colorimetric principles and sensing strategies of Ag^(+)colorimetric sensor.We first classified the colorimetric principles into three categories,including enzyme catalysis,localized surface plasmon resonance and chemical coloration,and the correspond⁃ing color development materials were also outlined.Then the sensing mechanism,sensing performance and practical sample applications for Ag^(+)detection were discussed.Finally,the current challenges and prospects of Ag^(+)colorimetric detection were also summarized.The purpose of this work was to promote the development of rapid detection technology for heavy metal ions and also assisting readers in better comprehending the principle of Ag^(+)colorimetric method.