用于检测和定量含硫气体的荧光传感技术

IF 8.2 1区 化学 Q1 CHEMISTRY, ANALYTICAL ACS Sensors Pub Date : 2024-11-13 DOI:10.1021/acssensors.4c02033
Kehang Wang, Chenghao Bi, Lev Zelenkov, Xiuzhen Liu, Mingzhao Song, Wenxin Wang, Sergey Makarov, Wenping Yin
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引用次数: 0

摘要

H2S 和 SO2 等含硫气体在影响人类生命和健康的多种生物过程中发挥着重要作用。因此,精确高效地检测这些气体对于加深人们对其生物作用的了解和制定有效的诊断策略至关重要。荧光传感技术为检测这些气体提供了一种高灵敏度和多功能的方法。本综述探讨了荧光检测 H2S 和 SO2 的最新进展,重点介绍了荧光信号转导的关键机制,包括强度变化和波长偏移。本研究探讨了为此目的而采用的各种探针分子,包括利用亲核反应、佛斯特共振能量转移(FRET)和硫亲和力相互作用等机制的探针分子。除有机传感器外,本综述的重点还特别放在量子点(QD)系统上,强调其可调光学特性在荧光传感方面的巨大潜力。除了传统的 III-V 族量子点之外,我们还深入研究了基于卤化物过氧化物量子点、上转换纳米晶体和其他新型材料的新兴荧光传感器。这些先进的 QD 系统有望开发出高灵敏度和高成本效益的气体探测器,为生物医学和环境监测领域的重大进展铺平道路。本综述全面概述了当前基于 QD 的含硫气体荧光传感技术的最新进展,并对有机荧光传感器与 QD 传感器进行了多方面的比较讨论,着重强调了荧光传感技术发展过程中的关键挑战和机遇。该综述旨在促进创新传感平台的进一步研究和开发,从而能够更准确、更灵敏地检测这些重要气体。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Fluorescent Sensing for the Detection and Quantification of Sulfur-Containing Gases
Sulfur-containing gases, such as H2S and SO2, play significant roles in a multitude of biological processes affecting human life and health. Precise and efficient detection of these gases is therefore crucial for advancing one’s understanding of their biological roles and developing effective diagnostic strategies. Fluorescent sensing offers a highly sensitive and versatile approach for detecting these gases. This Review examines the recent advances in the fluorescent detection of H2S and SO2, highlighting the key mechanisms involved in fluorescence signal transduction, including changes in intensity and wavelength shifts. The diverse array of probe molecules employed for this purpose, including those utilizing mechanisms such as nucleophilic reactions, Förster resonance energy transfer (FRET), and sulfur affinity interactions are explored. In additional to organic sensors, the focus of the Review is particularly directed toward quantum dot (QD) systems, emphasizing their tunable optical properties that hold immense potential for fluorescence sensing. Beyond the traditional III–V QDs, we delve into the emerging fluorescence sensors based on halide perovskite QDs, upconversion nanocrystals, and other novel materials. These advanced QD systems hold promise for the development of highly sensitive and cost-effective gas detectors, paving the way for significant advances in biomedical and environmental monitoring. This Review provides a comprehensive overview of the current state-of-the-art in QD-based fluorescence sensing of sulfur-containing gases and provides a multifaceted discussion comparing organic fluorescent sensors with QD sensors, highlighting the key challenges and opportunities for the integration of fluorescence sensing as it evolves. The Review aims to facilitate further research and development of innovative sensing platforms to enable more accurate and sensitive detection of these important gases.
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来源期刊
ACS Sensors
ACS Sensors Chemical Engineering-Bioengineering
CiteScore
14.50
自引率
3.40%
发文量
372
期刊介绍: ACS Sensors is a peer-reviewed research journal that focuses on the dissemination of new and original knowledge in the field of sensor science, particularly those that selectively sense chemical or biological species or processes. The journal covers a broad range of topics, including but not limited to biosensors, chemical sensors, gas sensors, intracellular sensors, single molecule sensors, cell chips, and microfluidic devices. It aims to publish articles that address conceptual advances in sensing technology applicable to various types of analytes or application papers that report on the use of existing sensing concepts in new ways or for new analytes.
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