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- W3136707338 abstract "Abstract Control of fluorescent molecular assemblies is an exciting area of research with large potential for various important applications, such as, fluorescence sensing/probing, cell imaging and monitoring drug‐delivery. In the present contribution, we have demonstrated control on the extent of aggregation of a dye‐polyelectrolyte assembly using a macrocyclic host molecule, sulfobutylether‐β‐cyclodextrin (SBE‐β‐CD). Initially, a cationic molecular rotor based organic dye, Auramine‐O (AuO), undergoes aggregation in the presence of an anionic polyelectrolyte, polystyrene sulfonate (PSS), and displays a broad intense new emission band along with large variation in its absorption features and excited‐state lifetime. A manipulation of the monomer‐aggregate equilibrium of the dye‐polyelectrolyte assembly has been achieved by introducing a cyclodextrin based supramolecular host, SBE‐β‐CD, which leads to relocation of AuO molecules from polyelectrolyte (PSS) to supramolecular host cavity, owing to the formation of a host‐guest complex between AuO and SBE‐β‐CD. A reversible control on this manipulation of monomer‐aggregate equilibrium is further achieved by introducing a competitive guest for the host cavity i. e., 1‐Adamantanol. Thus, we have demonstrated an interesting control on the dye‐polyelectrolyte aggregate assembly using a supramolecular host molecule which open up exciting possibilities to construct responsive materials using a repertoire of various host‐specific guest molecules." @default.
- W3136707338 created "2021-03-29" @default.
- W3136707338 creator A5023048479 @default.
- W3136707338 creator A5062791618 @default.
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- W3136707338 date "2021-04-22" @default.
- W3136707338 modified "2023-09-24" @default.
- W3136707338 title "Supramolecular Control on the Optical Properties of a Dye‐Polyelectrolyte Assembly" @default.
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- W3136707338 doi "https://doi.org/10.1002/cphc.202100092" @default.
- W3136707338 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33759328" @default.
- W3136707338 hasPublicationYear "2021" @default.
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