Control of the Supramolecular Excimer Formation of Thioflavin T within a Cucurbit[8]uril Host: A Fluorescence On/Off Mechanism | Zendy

Mohanty Jyotirmayee | Zendy; Dutta Choudhury Sharmistha | Zendy; Upadhyaya Hari P. | Zendy; Bhasikuttan Achikanath C. | Zendy; Pal Haridas | Zendy

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Control of the Supramolecular Excimer Formation of Thioflavin T within a Cucurbit[8]uril Host: A Fluorescence On/Off Mechanism

Author(s) -

Mohanty Jyotirmayee,

Dutta Choudhury Sharmistha,

Upadhyaya Hari P.,

Bhasikuttan Achikanath C.,

Pal Haridas

Publication year - 2009

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.200802686

Subject(s) - thioflavin , excimer , fluorescence , supramolecular chemistry , dissociation (chemistry) , chemistry , photochemistry , crystallography , biophysics , optics , biology , physics , crystal structure , disease , alzheimer's disease , medicine , pathology

On or off? A new excimer band at λ =570 nm was visualized during the noncovalent host–guest interaction between thioflavin T (ThT) and cucurbit[8]uril (CB8). Controlled dissociation of this assembly in the presence of Ca 2+ was demonstrated as an on/off fluorescence switch (see picture).

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