Synthesis and Antibacterial Activity of Novel Amido-Amine-Based Cationic Gemini Surfactants
作者:Anant K. Ghumare、Balu V. Pawar、Sunil S. Bhagwat
DOI:10.1007/s11743-012-1406-4
日期:2013.1
reduction were determined. The surface tension measurements of newly synthesized gemini surfactants showed good water solubility, and low CMC values, had great efficiency in lowering the surface tension and a strong adsorption at the air/water interface than the corresponding monomeric surfactants. Further, the antibacterial activity of the synthesized QACs against both Gram‐positive and Gram‐negative bacteria
在一步反应中,由相应的酰胺基胺合成了一系列新型的阳离子双子表面活性剂。酰胺基胺是从长链羧酸和3- N,N中获得的-二甲氨基-1-丙胺,具有优异的分离收率(高达95%)。进一步研究了所有合成的季铵化合物(QAC)的表面活性。确定了临界胶束浓度(CMC)和降低表面张力的效果。与相应的单体表面活性剂相比,新合成的双子表面活性剂的表面张力测量结果显示出良好的水溶性和较低的CMC值,在降低表面张力方面具有很高的效率,并且在空气/水界面具有很强的吸附力。此外,还研究了合成的QAC对革兰氏阳性和革兰氏阴性细菌的抗菌活性。