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Zwitterionic surfactants in ion binding and catalysis
Current Opinion in Colloid & Interface Science ( IF 8.9 ) Pub Date : 2017-10-28 , DOI: 10.1016/j.cocis.2017.10.002
Adriana P. Gerola , Paulo F.A. Costa , Frank H. Quina , Haidi D. Fiedler , Faruk Nome

Zwitterionic surfactants have unique properties for applications in separation methods and catalysis. Their properties and efficiencies depend on two main factors: surfactant structure and preferential interactions of zwitterionic surfactant interfaces with anions. Structural changes are related to hydrocarbon chain length, distance between charges, and type and order of functional groups in the polar head. Interactions of anions with zwitterionic micelles follow the Hofmeister series and change the surface charge. The interactions between surfactants and molecules/ions allow the rational control of separation by chromatography and micellar capillary electrophoresis; cloud point extraction; and stabilization and catalytic activity of biomolecules and nanoparticles.



中文翻译:

两性离子表面活性剂在离子结合和催化中的作用

两性离子表面活性剂具有独特的性能,可用于分离方法和催化。它们的性质和效率取决于两个主要因素:表面活性剂结构和两性离子表面活性剂与阴离子的界面之间的优先相互作用。结构变化与烃链长度,电荷之间的距离以及极性头中官能团的类型和顺序有关。阴离子与两性离子胶束的相互作用遵循Hofmeister系列并改变表面电荷。表面活性剂与分子/离子之间的相互作用可以合理地控制色谱分离和胶束毛细管电泳分离。浊点提取;生物分子和纳米颗粒的稳定性和催化活性。

更新日期:2017-12-14
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