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Detection of Ethylene with Defined Metal Complexes: Strategies and Recent Advances

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ANALYSIS & SENSING
卷 3, 期 2, 页码 -

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WILEY-V C H VERLAG GMBH
DOI: 10.1002/anse.202200058

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Ethylene; Fluorescent Probes; Metathesis; Sensors; Transition Metals

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This article discusses the importance and challenges of ethylene detection, introduces two main approaches based on coordination and activity, and discusses the advantages and disadvantages of various methods.
Despite its relative simplicity, ethylene is an interesting molecule with wide-ranging impact in modern chemistry and biology. Stemming from ethylene's role as a critical plant hormone, there has been significant effort to develop selective and sensitive molecular sensors for ethylene. Late transition metal complexes have played an important role in detection strategies due to ethylene's lack of structural complexity and limited reactivity. Two main approaches to ethylene detection are identified: (1) coordination-based sensors, wherein ethylene binds reversibly to a metal center, and (2) activity-based sensors, wherein ethylene undergoes a reaction at a metal center, resulting in the formation and destruction of covalent bonds. Herein, we describe the advantages and disadvantages of various approaches, and the challenges remaining for sensor development.

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