Recent Progress in Nanoparticles Based Sensors for the Detection of Mercury (II) Ions in Environmental and Biological Samples.

IF 4.2 2区 化学 Q1 CHEMISTRY, ANALYTICAL Critical reviews in analytical chemistry Pub Date : 2024-07-01 Epub Date: 2022-03-15 DOI:10.1080/10408347.2022.2049676
Zarif Gul, Shaheed Ullah, Sikandar Khan, Hayat Ullah, Misbah Ullah Khan, Munzer Ullah, Shujat Ali, Ataf Ali Altaf
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引用次数: 12

Abstract

To maintain a green and sustainable environment for human beings, rapid detection of potentially toxic heavy metals like mercury (Hg(II)) has attracted great attention. Recently, sensors have been designed which can selectively detect Hg(II) over other common available cations and give a naked eye or fluorometric response. In the last two decades, the trend is shifting from bulky organic chemosensors toward nanoparticles due to their rapid response, low cost, eco-friendly and easy synthesis. In this review, promising nanoparticles-based sensors for Hg(II) detection are discussed. The nano-sensors are functionalized with nucleotide or other suitable materials which coordinate with Hg(II) ions and give clear color or fluorescence change. The operational mechanisms are discussed focusing on its four basic types. The nanoparticles-based sensors are even able to detect Hg in three different oxidation states (Hg(II), Hg(I) and Hg(0)). Recently, the trend has been shifted from ordinary nanoparticles to magnetic nanoparticles to simultaneously detect and remove Hg(II) ions from environmental samples. Furthermore, the nano-sensors for Hg(II) are compared with each other and with the reported organic chemosensors.

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用于检测环境和生物样品中汞(II)离子的基于纳米颗粒的传感器的最新进展。
为了为人类维持一个绿色和可持续的环境,汞等潜在有毒重金属的快速检测引起了人们的极大关注。最近,已经设计了传感器,其可以选择性地检测Hg(II)而不是其他常见的可用阳离子,并给出肉眼或荧光测量响应。在过去的二十年里,由于其快速响应、低成本、环保和易于合成,趋势正在从体积庞大的有机化学传感器转向纳米颗粒。在这篇综述中,讨论了有前景的基于纳米颗粒的Hg(II)检测传感器。纳米传感器用核苷酸或其他合适的材料进行功能化,这些材料与Hg(II)离子配位并产生清晰的颜色或荧光变化。着重讨论了其四种基本类型的运作机制。基于纳米颗粒的传感器甚至能够检测三种不同氧化态的汞(Hg(II)、Hg(I)和Hg(0))。最近,趋势已经从普通纳米颗粒转变为磁性纳米颗粒,以同时检测和去除环境样品中的Hg(II)离子。此外,还将汞(II)的纳米传感器相互比较,并与已报道的有机化学传感器进行比较。
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来源期刊
CiteScore
12.00
自引率
4.00%
发文量
137
审稿时长
6 months
期刊介绍: Critical Reviews in Analytical Chemistry continues to be a dependable resource for both the expert and the student by providing in-depth, scholarly, insightful reviews of important topics within the discipline of analytical chemistry and related measurement sciences. The journal exclusively publishes review articles that illuminate the underlying science, that evaluate the field''s status by putting recent developments into proper perspective and context, and that speculate on possible future developments. A limited number of articles are of a "tutorial" format written by experts for scientists seeking introduction or clarification in a new area. This journal serves as a forum for linking various underlying components in broad and interdisciplinary means, while maintaining balance between applied and fundamental research. Topics we are interested in receiving reviews on are the following: · chemical analysis; · instrumentation; · chemometrics; · analytical biochemistry; · medicinal analysis; · forensics; · environmental sciences; · applied physics; · and material science.
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