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Opportunities and challenges in single-molecule and single-particle fluorescence microscopy for mechanistic studies of chemical reactions

By Thorben Cordes and Suzanne A. Blum

Abstract

<p>In recent years, single-molecule and single-particle fluorescence microscopy has emerged as a tool to investigate chemical systems. After an initial lag of over a decade with respect to biophysical studies, this powerful imaging technique is now revealing mechanisms of 'classical' organic reactions, spatial distribution of chemical reactivity on surfaces and the phase of active catalysts. The recent advance into commercial imaging systems obviates the need for home-built laser systems and thus opens this technique to traditionally trained synthetic chemists. We discuss the requisite photophysical and chemical properties of fluorescent reporters and highlight the main challenges in applying single-molecule techniques to chemical questions. The goal of this Perspective is to provide a snapshot of an emerging multidisciplinary field and to encourage broader use of this young experimental approach that aids the observation of chemical reactions as depicted in many textbooks: molecule by molecule.</p>

Topics: CATALYST PARTICLES, REACTION PATHWAYS; SPECTROSCOPY; PROBES; COMPLEXES; POLYMERIZATION; DYNAMICS; BLINKING; SYSTEM; LEVEL
Year: 2013
DOI identifier: 10.1038/NCHEM.1800
OAI identifier: oai:pure.rug.nl:publications/f589d47a-2481-46c8-a694-158b85d5fc2c
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