Polymer-mediated Dual Mineralization of a Plant Virus

We report a facile wet chemical method for the "wire-in-tube" dual mineralization of tomato mosaic virus. The biomineralization process is effectively mediated by poly(vinylpyrrolidone), the first time this has been shown for a tobamovirus. The interior 4 nm cavity of the virus is minerali...

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Bibliographic Details
Published in:Chemistry letters 2015-01, Vol.44 (1), p.79-79
Main Authors: S Shah, Shama, N Shah, Sachin, G Heddle, Jonathan
Format: Article
Language:English
Subjects:
Biomineralization
Holes
Iron oxides
Mineralization
Nanocomposites
Nanowires
Tobamovirus
Tomato mosaic virus
Tubes
Viruses
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Summary:We report a facile wet chemical method for the "wire-in-tube" dual mineralization of tomato mosaic virus. The biomineralization process is effectively mediated by poly(vinylpyrrolidone), the first time this has been shown for a tobamovirus. The interior 4 nm cavity of the virus is mineralized with Pt to form a ca. 3.5 nm diameter nanowire, and the outer capsid of the protein is mineralized with iron oxide to form a ca. 50 nm diameter encasing tube. The resulting dual-mineralized nanocomposite was characterized by a range of analysis techniques.
ISSN:0366-7022
1348-0715