cDICE method produces giant lipid vesicles under physiological conditions of charged lipids and ionic solutions.
cDICE method produces giant lipid vesicles under physiological conditions of charged lipids and ionic solutions.
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DOI:
10.1039/c6sm00868b
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发表时间:
2016-09-21
期刊:
影响因子:
3.4
通讯作者:
Keller SL
中科院分区:
文献类型:
--
作者:
Blosser MC;Horst BG;Keller SL
Giant unilamellar vesicles are a powerful and common tool employed in biophysical studies of lipid membranes. Here we evaluate a recently introduced method of vesicle formation, “continuous droplet interface crossing encapsulation” (cDICE). This method produces mondisperse giant unilamellar vesicles of controlled sizes and high encapsulation efficiencies, using readily available instrumentation. We find that mixtures of phospholipids within vesicle membranes produced by cDICE undergo phase separation at the same characteristic temperatures as lipids in vesicles formed by a complementary technique. We find that the cDICE method is effective both when vesicles are produced from charged lipids and when the surrounding buffer contains a high concentration of salt. A shortcoming of the technique is that cholesterol is not substantially incorporated into vesicle membranes.
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