Journal
JOURNAL OF FLUORESCENCE
Volume 32, Issue 4, Pages 1557-1563Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-022-02955-w
Keywords
Pyrenoyl salts; Bile salt; Micellization; Sodium deoxycholate; Fluorescence
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This study synthesized and characterized pyrene derivatives PM-PB and PM-TAB, and investigated their photophysical behavior in solvents. The sensitivity of these molecules towards the micellization process of bile salts was monitored using fluorescence methods, and they were effectively used to estimate the CMC of NaDC.
The present work describes the synthesis and characterization of pyrene derivatives, N-(1-Pyrenoylmethyl) pyridinium bromide (PM-PB) and N-(1-Pyrenoylmethyl)-N,N,N-triethylammonium bromide (PM-TAB). The photophysical behavior of these molecules has been studied in various protic and aprotic solvents. Using steady state fluorescence intensity, fluorescence anisotropy and dynamic fluorescence lifetime studies, the sensitivity of these molecules towards the micellization process of bile salts has been monitored. These derivatives have been effectively used in estimating critical micellar concentration (CMC) of bile salt, sodium deoxycholate (NaDC).
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