Quantitative study of Au(III) and Pd(II) ion biosorption on genetically engineered Tobacco mosaic virus

Jung Sun Lim, Seung Min Kim, Sangyup Lee, Eric A. Stach, James N. Culver, Michael T. Harris

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

One major obstacle in the mineralization of metal onto biologically derived templates is the lack of fundamental information pertaining to the relationship between metal ion loading and overall metal deposition onto the biotemplate. This study focuses on Au(III) and Pd(II) biosorption on the genetically-modified model biological template Tobacco mosaic virus (TMV1Cys). Metal ion (Au(III) or Pd(II)) loading on the TMV1Cys template was measured as a function of the equilibrium concentration of Au(III) or Pd(II) ions in solution at several temperatures. In addition, the Pd(II) loading on the TMV-wild (wild-type TMV) and TMV1Cys were compared to estimate the improvement of metal ion loading by genetic modification of the biotemplate. The gold or palladium coatings on the TMV1Cys were prepared using various metal ion loadings. Results show, for a range of metal ion loadings, a positive correlation existed between the concentration of the metal ions and the coating density of the metals deposited on the virus surface.

Original languageEnglish
Pages (from-to)455-461
Number of pages7
JournalJournal of Colloid and Interface Science
Volume342
Issue number2
DOIs
Publication statusPublished - 2010 Feb 15

Fingerprint

Biosorption
Tobacco
Viruses
Metal ions
Ions
Metals
Coatings
Palladium
Gold

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry

Cite this

Lim, Jung Sun ; Kim, Seung Min ; Lee, Sangyup ; Stach, Eric A. ; Culver, James N. ; Harris, Michael T. / Quantitative study of Au(III) and Pd(II) ion biosorption on genetically engineered Tobacco mosaic virus. In: Journal of Colloid and Interface Science. 2010 ; Vol. 342, No. 2. pp. 455-461.
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Quantitative study of Au(III) and Pd(II) ion biosorption on genetically engineered Tobacco mosaic virus. / Lim, Jung Sun; Kim, Seung Min; Lee, Sangyup; Stach, Eric A.; Culver, James N.; Harris, Michael T.

In: Journal of Colloid and Interface Science, Vol. 342, No. 2, 15.02.2010, p. 455-461.

Research output: Contribution to journalArticle

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AU - Harris, Michael T.

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