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Inverted Solvatochromic Stokes Shift in GFP-like Chromophores with Extended Conjugation
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作者 Hang Hu Charles H.Wolstenholme +1 位作者 Xin Zhang Xiaosong Li 《Chinese Journal of Chemical Physics》 SCIE CAS CSCD 2018年第4期599-607,616,共10页
Chrornophore structures inspired by natural green fluorescent protein (GFP) play an im- portant role in the field of bio-irnaging. In this work, photochemical properties of a new class of GFP-like chromophores are i... Chrornophore structures inspired by natural green fluorescent protein (GFP) play an im- portant role in the field of bio-irnaging. In this work, photochemical properties of a new class of GFP-like chromophores are investigated using computational approaches. Thermo- dynamically stable isomers are identified in vacuum and in solvent. Spectral Stokes shifts are computed and compared to experiments. An inverted solvatochromic shift between absorption and emission emerging in this new class of GFP-like chromophores is observed, and attributed to the stabilized charge transfer and inhibited rotational structural reorganization in solvent. 展开更多
关键词 Green fluorescent protein Solvatochrornic shift Stokes shift Time-dependentdensity functional theory Polarizable continuum model
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