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Nano Lett. 2007 Aug;7(8):2281-90. Epub 2007 Jul 24.

Core-like particles of an enveloped animal virus can self-assemble efficiently on artificial templates.

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  • 1Department of Chemistry, Indiana University, Bloomington, Indiana 47405, USA.


Alphaviruses are animal viruses holding great promise for biomedical applications as drug delivery vectors, functional imaging probes, and nanoparticle delivery vesicles because of their efficient in vitro self-assembly properties. However, due to their complex structure, with a protein capsid encapsulating the genome and an outer membrane composed of lipids and glycoproteins, the in-vitro self-assembly of virus-like particles, which have the functional virus coat but carry an artificial cargo, can be challenging. Fabrication of such alphavirus-like particles is likely to require a two-step process: first, the assembly of a capsid structure around an artificial core, second the addition of the membrane layer. Here we report progress made on the first step: the efficient self-assembly of the alphavirus capsid around a functionalized nanoparticle core.

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