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Preparation of silica stabilized Tobacco mosaic virus templates for the production of metal and layered nanoparticles

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Abstract.
The use of biological molecules as templates for the production of metal nanoparticles and wires is
often limited by the stability of the bio-template and its affinity for nucleating metal deposition. In this
study, Tobacco mosaic virus (TMV) was used as a model bio-template to investigate the use of silica
coatings as a means to both enhance template stability and increase its affinity for metal ions. Results
indicate that the unmodified TMV particle can function as a template for the growth of thin (20 nm in thickness. These silica shells conferred a high degree of stability to the TMV particle
and promoted the deposition of various metal nanoparticles through conventional silica mineralization
chemistries. This process provides a simple and robust method for the layering of inorganics onto a
biological template.

Keywords:
Tobacco mosaic virus
Silica
Bio-template
Multilayer
Metalization

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Informasi Detail

Judul Seri

Journal of Colloid and Interface Science

No. Panggil

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Penerbit

London : Elsevier Inc.., 2009

Deskripsi Fisik

Journal of Colloid and Interface Science 332 (2009) 402–407

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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