title: Quantization of bovine serum albumin by fluorescence enhancement effects and corresponding binding of macrocyclic host-protein assembly.
abstract: The present paper reports the investigations on the spectroscopic behavior of the binary complexes of the dye aurintricarboxylic acid (ATA) with protein bovine serum albumin (BSA) and 18-crown 6 (CW) (ATA·BSA, ATA·CW) and the ternary complex ATA·CW·BSA by using UV-vis steady state and time resolved fluorescence spectroscopy. The primary aim of the work is to determine the protein (BSA) quantization by fluorescence enhancement method and investigate the 'enhancer' activity of crown ether (CW) on it to increase the resolution. Steady state and time resolved fluorescence measurements demonstrated how fluorescence intensity of ATA could be used for the determination of the protein BSA in aqueous solution. The binding of dye (probe/fluorescent medicinal molecule) with protein and the denaturing effect in the polar environment of acetonitrile of the dye protein complex act as drug binding as well as drug release activity. Apart from its basic research point of view, the present study also possesses significant importance and applications in the field of medicinal chemistry.
authors: Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, West Bengal, India.
authors: Munmun
authors: M
authors: Bardhan
authors: Tapas
authors: T
authors: Misra
authors: Tapan
authors: T
authors: Ganguly
mesh_terms: D000818:Animals; D001312:Aurintricarboxylic Acid / Q000737:chemistry / Q000378:metabolism; D002417:Cattle; D043844:Crown Ethers / Q000737:chemistry / Q000378:metabolism; D011485:Protein Binding; D012710:Serum Albumin, Bovine / Q000032:analysis* / Q000378:metabolism; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors
chemical_list: D043844:Crown Ethers; D012710:Serum Albumin, Bovine; D001312:Aurintricarboxylic Acid; C015762:18-crown-6