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Influence of sodium dodecyl sulfate on the characteristics of bovine serum albumin solutions and foams
Alternative TitleJ. Surfactants Deterg.
Wei, XF; Chang, ZD; Liu, HZ
2003-04-01
Source PublicationJOURNAL OF SURFACTANTS AND DETERGENTS
ISSN1097-3958
Volume6Issue:2Pages:107-112
AbstractResults from surface tension measurements on mixed solutions of the protein bovine serum albumin (BSA) and an anionic surfactant (SDS: sodium dodecyl sulfate) suggested that at an air-liquid interface, adsorption was affected by the protein-surfactant interaction and by the relative concentration of each component in solution. Two plateaus corresponding to the critical aggregation concentration (CAC) and the critical micelle concentration (CMC) of SDS, respectively, were observed in the surface tension isotherms of SDS in the presence of BSA. The CAC and CIVIC depended on the concentration of BSA. Effects of SDS concentration on the conformational changes of BSA were investigated by Fourier transform-Raman spectroscopy. The results showed that the contents of a-helix decreased while the contents of random coil increased. The presence of the anionic surfactant SDS had a negative influence on the way that proteins adsorb at an air-liquid interface, leading to the change of behavior of protein-stabilized film.; Results from surface tension measurements on mixed solutions of the protein bovine serum albumin (BSA) and an anionic surfactant (SDS: sodium dodecyl sulfate) suggested that at an air-liquid interface, adsorption was affected by the protein-surfactant interaction and by the relative concentration of each component in solution. Two plateaus corresponding to the critical aggregation concentration (CAC) and the critical micelle concentration (CMC) of SDS, respectively, were observed in the surface tension isotherms of SDS in the presence of BSA. The CAC and CIVIC depended on the concentration of BSA. Effects of SDS concentration on the conformational changes of BSA were investigated by Fourier transform-Raman spectroscopy. The results showed that the contents of a-helix decreased while the contents of random coil increased. The presence of the anionic surfactant SDS had a negative influence on the way that proteins adsorb at an air-liquid interface, leading to the change of behavior of protein-stabilized film.
KeywordBsa Foaming Ft-raman Interaction Sds Surface Tension
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
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Indexed BySCI
Language英语
WOS KeywordAIR-WATER-INTERFACE ; AQUEOUS-SOLUTIONS ; MOLECULAR-DIFFUSION ; SURFACTANT MIXTURES ; AIR/WATER INTERFACE ; SECONDARY STRUCTURE ; NEUTRON REFLECTION ; ADSORPTION ; PROTEINS ; DISPLACEMENT
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000182532800001
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5301
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, Lab Separat Sci & Engn, State Key Lab Biochem Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wei, XF,Chang, ZD,Liu, HZ. Influence of sodium dodecyl sulfate on the characteristics of bovine serum albumin solutions and foams[J]. JOURNAL OF SURFACTANTS AND DETERGENTS,2003,6(2):107-112.
APA Wei, XF,Chang, ZD,&Liu, HZ.(2003).Influence of sodium dodecyl sulfate on the characteristics of bovine serum albumin solutions and foams.JOURNAL OF SURFACTANTS AND DETERGENTS,6(2),107-112.
MLA Wei, XF,et al."Influence of sodium dodecyl sulfate on the characteristics of bovine serum albumin solutions and foams".JOURNAL OF SURFACTANTS AND DETERGENTS 6.2(2003):107-112.
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