Issue 19, 2012

Lipid crystallization: from self-assembly to hierarchical and biological ordering

Abstract

Lipid crystallization is ubiquitous in nature, observed in biological structures as well as in commercial products and applications. In a dehydrated state most of the lipids form well ordered crystals, whereas in an aqueous environment they self-assemble into various crystalline, liquid crystalline or sometimes macroscopically disordered phases. Lipid self-organization extends further to hierarchical levels including structured emulsions and nanostructured particles. Many consumer products including cosmetics, foods and medicines account for such lipid architectures. Cell membranes primarily consist of planar lipid bilayers; however sub-cellular biomembranes are more of a convoluted type. Some of the biological entities have lipids in truly crystalline form; yet liquid crystalline lipid phases are prevalent, in general. Crystallization of fats – triglyceride lipids – has been relatively well documented and reviewed more often, but this review features other areas where lipid organization is crucial and diverse. Some recent advances along with a few explicit examples of model lipid phases and biological evidences are also reported.

Graphical abstract: Lipid crystallization: from self-assembly to hierarchical and biological ordering

Supplementary files

Article information

Article type
Review Article
Submitted
11 Jun 2012
Accepted
12 Jul 2012
First published
18 Jul 2012

Nanoscale, 2012,4, 5779-5791

Lipid crystallization: from self-assembly to hierarchical and biological ordering

C. V. Kulkarni, Nanoscale, 2012, 4, 5779 DOI: 10.1039/C2NR31465G

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