Chloroform-enhanced incorporation of hydrophobic gold nanocrystals into dioleoylphosphatidylcholine (DOPC) vesicle membranes.
Chloroform-enhanced incorporation of hydrophobic gold nanocrystals into dioleoylphosphatidylcholine (DOPC) vesicle membranes.
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DOI：
10.1021/la302740j
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发表时间：
2012-09-11
期刊：
影响因子：
--
通讯作者：
Korgel BA
中科院分区：
文献类型：
--
作者：
Rasch MR;Yu Y;Bosoy C;Goodfellow BW;Korgel BA
Vesicles of dioleoylphosphatidylcholine (DOPC) formed by extrusion (liposomes) with hydrophobic alkanethiol-capped gold (Au) nanocrystals were studied. Dodecanethiol-capped 1.8 nm diameter Au nanocrystals accumulate in the lipid bilayer, but only when dried lipid/nanocrystal films were annealed with chloroform prior to hydration. Without chloroform annealing, the Au nanocrystals phase separate from DOPC and do not load into the liposomes. Gold nanocrystals with slightly longer capping ligands of hexadecanethiol, or with larger diameter of 4.1 nm, disrupted vesicle formation and created lipid assemblies with many internal lamellar attachments.
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