Sub-picosecond C=C bond photo-isomerization: evidence for the role of excited state mixing

IF 1.3 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Comptes Rendus Physique Pub Date : 2021-03-01 DOI:10.5802/CRPHYS.41
D. Agathangelou, P. Roy, M. D. C. Marín, N. Ferré, M. Olivucci, T. Buckup, J. Léonard, S. Haacke
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引用次数: 4

Abstract

Sub-picosecond photo-isomerization is the major primary process of energy conversion in retinal proteins and has as such been in the focus of extensive theoretical and experimental work over the past decades. In this review article, we revisit the long-standing question as to how the protein tunes the isomerization speed and quantum yield. We focus on our recent contributions to this field, which underscore the concept of a delicate mixing of reactive and non-reactive excited states, as a result of steric properties and electrostatic interactions with the protein environment. Further avenues and new approaches are outlined which hold promise for advancing our understanding of these intimately coupled chromophore-protein systems.
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亚皮秒C=C键光异构化:激发态混合作用的证据
亚皮秒光异构化是视网膜蛋白质能量转换的主要过程,在过去的几十年里一直是广泛的理论和实验工作的焦点。在这篇综述文章中,我们重新审视了长期存在的问题,即蛋白质如何调节异构化速度和量子产率。我们将重点介绍我们最近在这一领域的贡献,这些贡献强调了反应性和非反应性激发态的微妙混合概念,这是由于与蛋白质环境的空间性质和静电相互作用的结果。进一步的途径和新方法概述了有希望推进我们对这些密切耦合的发色团-蛋白质系统的理解。
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来源期刊
Comptes Rendus Physique
Comptes Rendus Physique 物理-天文与天体物理
CiteScore
2.80
自引率
0.00%
发文量
13
审稿时长
17.2 weeks
期刊介绍: The Comptes Rendus - Physique are an open acess and peer-reviewed electronic scientific journal publishing original research article. It is one of seven journals published by the Académie des sciences. Its objective is to enable researchers to quickly share their work with the international scientific community. The Comptes Rendus - Physique also publish journal articles, thematic issues and articles on the history of the Académie des sciences and its current scientific activity. From 2020 onwards, the journal''s policy is based on a diamond open access model: no fees are charged to authors to publish or to readers to access articles. Thus, articles are accessible immediately, free of charge and permanently after publication. The Comptes Rendus - Physique (8 issues per year) cover all fields of physics and astrophysics and propose dossiers. Thanks to this formula, readers of physics and astrophysics will find, in each issue, the presentation of a subject in particularly rapid development. The authors are chosen from among the most active researchers in the field and each file is coordinated by a guest editor, ensuring that the most recent and significant results are taken into account. In order to preserve the historical purpose of the Comptes Rendus, these issues also leave room for the usual notes and clarifications. The articles are written mainly in English.
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