期刊
CURRENT OPINION IN COLLOID & INTERFACE SCIENCE
卷 16, 期 3, 页码 203-214出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.cocis.2010.12.004
关键词
Surface plasmon resonance; Hollow gold nanoshells; Cancer chemotherapy; Phospholipids; Sphingomyelins; siRNA delivery; Doxorubicin delivery
资金
- NIH [HL080718, EB012637]
Liposomes are single bilayer capsules with distinct interior compartments in which hydrophilic drugs, imaging agents, diagnostics, etc. can be sequestered from the exterior environment. The polar parts of the individual lipids face the water compartments, while the hydrophobic parts of the lipid provide a barrier in which hydrophilic or charged molecules are poorly soluble. Hydrophobic molecules can be dissolved within the bilayer. The bilayers are typically from 3 to 6 nm thick and the liposome can range from about 50 nm to 50 mu m in diameter. The question asked in this review is if any one bilayer, regardless of its composition, can provide the extended drug retention, long lifetime in the circulation, active targeting to specific tissues and rapid and controllable drug release at the site of interest. As an alternative, we review methods of self-assembling multicompartment lipid structures that provide enhanced drug retention in physiological environments. We also review the methods of externally targeting and triggering drug release via the near infrared heating of gold nanoshells attached to or encapsulated within bilayer vesicles. (C) 2011 Elsevier Ltd. All rights reserved.
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