Deposition of platinum clusters on surface-modified Tobacco mosaic virus

Sang Yup Lee; Jaewon Choi; Elizabeth Royston; David B. Janes; James N. Culver; Michael T. Harris

doi:10.1166/jnn.2006.146

Deposition of platinum clusters on surface-modified Tobacco mosaic virus

Sang Yup Lee, Jaewon Choi, Elizabeth Royston, David B. Janes, James N. Culver, Michael T. Harris

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article

68 Citations (Scopus)

Abstract

Nanoscaled R conductors were prepared from genetically engineered Tobacco mosaic virus (TMV) templates through Pt cluster deposition on the outer surface of the TMV. R clusters were synthesized and deposited on the engineered TMV with surface-exposed cysteine via the in situ mineralization of hexachloroplatinate anions. This deposition was driven by the specific binding between thiols and the solid metal clusters. In addition, Pt-thiolate adducts are suggested to form on the engineered TMV in aqueous solutions that work as nucleation sites for the formation of the Pt clusters. The specific binding between R clusters and the engineered TMV template was investigated using UV/vis spectrophotometry and quartz crystal microbalance (QCM) analysis. The electric conductance of R-deposited TMV was greater than that of the uncoated TMV virion particles. This result suggests the application of metal cluster-deposited engineered TMV in future electrical devices such as rapid response sensors.

Original language	English
Pages (from-to)	974-981
Number of pages	8
Journal	Journal of Nanoscience and Nanotechnology
Volume	6
Issue number	4
DOIs	https://doi.org/10.1166/jnn.2006.146
Publication status	Published - 2006 Apr 1

All Science Journal Classification (ASJC) codes

Bioengineering
Chemistry(all)
Biomedical Engineering
Materials Science(all)
Condensed Matter Physics

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Lee, S. Y., Choi, J., Royston, E., Janes, D. B., Culver, J. N., & Harris, M. T. (2006). Deposition of platinum clusters on surface-modified Tobacco mosaic virus. Journal of Nanoscience and Nanotechnology, 6(4), 974-981. https://doi.org/10.1166/jnn.2006.146

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abstract = "Nanoscaled R conductors were prepared from genetically engineered Tobacco mosaic virus (TMV) templates through Pt cluster deposition on the outer surface of the TMV. R clusters were synthesized and deposited on the engineered TMV with surface-exposed cysteine via the in situ mineralization of hexachloroplatinate anions. This deposition was driven by the specific binding between thiols and the solid metal clusters. In addition, Pt-thiolate adducts are suggested to form on the engineered TMV in aqueous solutions that work as nucleation sites for the formation of the Pt clusters. The specific binding between R clusters and the engineered TMV template was investigated using UV/vis spectrophotometry and quartz crystal microbalance (QCM) analysis. The electric conductance of R-deposited TMV was greater than that of the uncoated TMV virion particles. This result suggests the application of metal cluster-deposited engineered TMV in future electrical devices such as rapid response sensors.",

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AU - Lee, Sang Yup

AU - Choi, Jaewon

AU - Royston, Elizabeth

AU - Janes, David B.

AU - Culver, James N.

AU - Harris, Michael T.

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