Protonation‐Triggered Conversion between Single‐ and Triple‐Stranded Helices with a Visible Fluorescence Change | Zendy

Jin XuHui | Zendy; Wang Jian | Zendy; Sun JianKe | Zendy; Zhang HongXing | Zendy; Zhang Jie | Zendy

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Protonation‐Triggered Conversion between Single‐ and Triple‐Stranded Helices with a Visible Fluorescence Change

Author(s) -

Jin XuHui,

Wang Jian,

Sun JianKe,

Zhang HongXing,

Zhang Jie

Publication year - 2011

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.201005613

Subject(s) - protonation , viologen , triple helix , fluorescence , transformation (genetics) , hydrogen bond , signal (programming language) , helix (gastropod) , derivative (finance) , chemistry , transition (genetics) , computer science , combinatorial chemistry , photochemistry , nanotechnology , materials science , stereochemistry , physics , molecule , optics , biochemistry , biology , organic chemistry , ecology , snail , financial economics , economics , programming language , ion , gene

A flexible viologen carboxylic acid derivative forms single‐ and triple‐stranded helices by hydrogen‐bonding interactions, and undergoes pH‐triggered helical transformation by a water‐mediated solid‐state conversion (see picture). This transformation is accompanied by a fluorescence signal change that can be directly observed by the naked eye under a UV lamp.

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