期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 268, 期 1-3, 页码 85-89出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2005.05.064
关键词
HOU-C-18n; surface tension; bacteriostasis; double bond
The relationship between the surface activities and their antibacterial activities of synthesized octadecanoyl, acetal sodium sulfite series containing different numbers of double bonds (HOU-C-18:n) was studied. The results showed that with an increasing number of double bonds in HOU-C-18:n the hydrophobic activity and adsorbed amount on the surface would be decreased, while the antibacterial activity of HOU-C-18:n and the membrane permeability of bacteria caused by HOU-C-18:n would be increased. It was discussed that HOU-C-18:n exerted the bacteriostasis by hydrophobic adsorption and free diffusion through the membrane of bacteria, and unsaturated HOU-C-18:n exerted the bacteriostasis mainly by double bonds and destructing the membrane. (c) 2005 Elsevier B.V. All rights reserved.
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