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- Title
Solvato‐Controlled Assembly and Structural Transformation of Emissive Poly‐NHC‐Based Organometallic Cages and Their Applications in Amino Acid Sensing and Fluorescence Imaging.
- Authors
Zhang, Heng; Li, Yang; Zhang, Yi‐Fan; Qiao, Xiu‐Juan; Sun, Li‐Ying; Li, Jianli; Wang, Yao‐Yu; Han, Ying‐Feng
- Abstract
Stimuli‐induced structural transformation of supramolecular cages has drawn increasing attention because of their sensitive feature to external variations as model systems to simulate biological processes. However, combining structural transformation and useful functions has remained a difficult task. This study reports the solvato‐controlled self‐assembly of two unique topologies with different emission characteristics, a water‐soluble Ag8L4 cage (A) and an Ag4L2 cage (B), produced from the same sulfonate‐pendant tetraphenylethene (TPE) bridged tetrakis‐(1,2,4‐triazolium) ligand. Both cages show interesting solvent‐responsive reversible structural transformation, and the change of fluorescence signals can efficiently track the process. Additionally, water‐soluble cage A exhibits unique properties in thermochromism, thiol amino acid sensing, and subcellular imaging in aqueous media.
- Subjects
AMINO acids; FLUORESCENCE; BIOLOGICAL systems; ORGANOMETALLIC compounds; THERMOCHROMISM
- Publication
Chemistry - A European Journal, 2023, Vol 29, Issue 23, p1
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202300209