Journal of Surfactants and Detergents

, Volume 17, Issue 2, pp 261–268 | Cite as

Synthesis and Characterization of Novel Cationic Lipids Derived from Thio Galactose

Original Article


Two double chain cationic lipids QAS Cn-2-S (n = 12, 14) derived from thio galactose and carbamate-linkage tertiary amine were synthesized and their structures were confirmed by MS, TOF-MS, 1H NMR and 13C NMR. The QAS C12-2-S revealed superior surface activity compared with QAS C14-2-S with lower CMC and γCMC. Though Lipo C12-2-S displayed large average particle-size with high polydispersity, positive charged Lipo Cn-2-S can be combined with the negative charged DNA, also negatively stained TEM images confirmed the formation of vesicles. All the above prove that the Lipo Cn-2-S is helpful for gene transfection.


Synthesis Thio galactose Cationic lipids Vesicle 


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Copyright information

© AOCS 2013

Authors and Affiliations

  1. 1.State Key Laboratory of Fine Chemicals, School of Chemical EngineeringDalian University of TechnologyDalianPeople’s Republic of China

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