Tuning the solid-state emission of the analogous GFP chromophore by varying alkyl chains in the imidazolinone ring |
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| Authors: | Xiang Shen GuangXi Huang Kan Li GuanXin Zhang DeQing Zhang |
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| Institution: | 1. Beijing National Laboratory for Molecular Sciences; Key Laboratory of Organic Solids; Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
2. University of Chinese Academy of Sciences, Beijing, 100190, China
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| Abstract: | New analogues of green fluorescent protein (GFP) chromophore m GFP-C n (n = 1, 3, 5, 11) with alkyl chains of different lengths in the imidazolinone rings were synthesized and their crystal structures were determined. These GFP-like chromophores are all emissive in the solid state. And the solid-state emission quantum yields of increase by extending the lengths of alkyl chains, owing to the fact that the intermolecular pi-pi interactions are significantly weakened based on their crystal structures. |
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