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Mechanical‐Bending‐Induced Fluorescence Enhancement in Plastically Flexible Crystals of a GFP Chromophore Analogue
Author(s) -
Bhattacharya Biswajit,
Roy Debjit,
Dey Somnath,
Puthuvakkal Anisha,
Bhunia Surojit,
Mondal Saikat,
Chowdhury Rituparno,
Bhattacharya Manjima,
Mandal Mrinal,
Manoj Kochunnoonny,
Mandal Prasun K.,
Reddy C. Malla
Publication year - 2020
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.202007760
Subject(s) - chromophore , fluorescence , green fluorescent protein , bending , materials science , optoelectronics , smart material , nanotechnology , optics , biophysics , photochemistry , composite material , chemistry , biochemistry , physics , gene , biology
Single crystals of optoelectronic materials that respond to external stimuli, such as mechanical, light, or heat, are immensely attractive for next generation smart materials. Here we report single crystals of a green fluorescent protein (GFP) chromophore analogue with irreversible mechanical bending and associated unusual enhancement of the fluorescence, which is attributed to the strained molecular packing in the perturbed region. Soft crystalline materials with such fluorescence intensity modulations occurring in response to mechanical stimuli under ambient pressure conditions will have potential implications for the design of technologically relevant tunable fluorescent materials.