Journal
RSC ADVANCES
Volume 5, Issue 79, Pages 64604-64613Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra11481k
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Funding
- DST, Government of India
- SERC-DST, New Delhi
- CSIR, New Delhi, India
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A new fluorescent pyrene-glucose conjugate (pyd-glc), 1-(4,6-O-butylidene-beta-D-glucopyranosyl)-4-(1-pyrene)-butan-2-one, has been synthesized by attaching a pyrene molecule to acetal (butylidene) protected glucose via a butane-2-one linker. Detailed photo-physical studies of pyd-glc in homogeneous media have been carried out in both protic and aprotic solvents which lead to a py scale, a solvent polarity scale specific to this molecule, like that of pyrene. The molecule aggregates in water and partitions as a monomer in micro-heterogeneous media. The photo-physical response of pyd-glc has been studied in various sugar and non-sugar based micro-heterogeneous media. Similar to pyrene, this molecule offers multiple fluorescence parameters to investigate the organization of micro-heterogeneous media. The fluorescence parameters of pyd-glc faithfully reflect the state of organization of these anisotropic media.
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