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|Title:||Interactions between bovine serum albumin and gemini surfactant alkanediyl-α, ω-bis(dimethyldodecyl-ammonium bromide)||Authors:||Pi, Y.
|Issue Date:||15-Oct-2006||Citation:||Pi, Y., Shang, Y., Peng, C., Liu, H., Hu, Y., Jiang, J. (2006-10-15). Interactions between bovine serum albumin and gemini surfactant alkanediyl-α, ω-bis(dimethyldodecyl-ammonium bromide). Biopolymers 83 (3) : 243-249. ScholarBank@NUS Repository. https://doi.org/10.1002/bip.20552||Abstract:||Interactions between bovine serum albumin (BSA) and cationic gemini surfactant alkanediyl-α,ω-bis(dimethyldodecyl-ammonium bromide) (12-n-12, n = 3, 4, 6) in aqueous solution have been investigated by measuring fluorescence, UV-vis transmittance, dynamic lighting scattering, and circular dichroism. Compared to a traditional surfactant dodecyltrimethylammonium bromide (DTAB), 12-n-12 interacts with BSA more strongly. With increasing concentration, 12-n-12 first binds specifically onto BSA leading to the unfolding and aggregation of BSA, and the decrease in α-helix content; and then forms micelle-like complexes along the unfolded BSA chains. A gemini surfactant with a longer spacer has a larger effect on BSA unfolding due to a stronger hydrophobic interaction. © 2006 Wiley Periodicals, Inc.||Source Title:||Biopolymers||URI:||http://scholarbank.nus.edu.sg/handle/10635/89264||ISSN:||00063525||DOI:||10.1002/bip.20552|
|Appears in Collections:||Staff Publications|
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