双功能
氰化物
水溶液中的金属离子
化学
齿合度
金属
离子
配体(生物化学)
铜
无机化学
纳米技术
组合化学
材料科学
有机化学
催化作用
生物化学
受体
作者
Zarif Gul,Muhammad Salman,Shahab Khan,Adnan Shehzad,Hussian Ullah,Motia Irshad,Muhammad Zeeshan,Sidra Batool,Maryam Ahmed,Ataf Ali Altaf
标识
DOI:10.1080/10408347.2023.2186165
摘要
The detection of key ions in environmental samples has garnered significant attention in recent years in the pursuit of a cleaner environment for living organisms. Bifunctional and multifunctional sensors, as opposed to single-species sensors, have emerged as a rapidly developing field. Many reports in the literature have documented the use of bifunctional sensors for the subsequent detection of metal and cyanide ions. These sensors, consisting of simple organic ligands, form coordination compounds with transition metal ions, resulting in clear visible or fluorescent changes that facilitate detection. In some cases, a single polymeric material can act as a ligand and coordinate with metal ions, forming a complex that serves as a sensor for cyanide ion detection in biological and environmental samples through various mechanisms. Nitrogen is the most dominant coordinating site in these bifunctional sensors, with the sensitivity of the sensors being directly proportional to the denticities of ligands for metal ions, while for cyanide ions the sensitivity was found independent of the denticity of the ligands. This review covers the progress made in the field over the past fifteen years (2007-2022), with most ligands detecting copper (II) and cyanide ions, but with the capability to detect other metals such as iron, mercury, and cobalt as well.
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