کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
609542 880625 2010 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Quantitative study of Au(III) and Pd(II) ion biosorption on genetically engineered Tobacco mosaic virus
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی شیمی کلوئیدی و سطحی
پیش نمایش صفحه اول مقاله
Quantitative study of Au(III) and Pd(II) ion biosorption on genetically engineered Tobacco mosaic virus
چکیده انگلیسی

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.

Enhancing biosorption of Pd(II) is the critical factor to produce the bioteplated palladium nanowire (scale bar: 100 nm).Figure optionsDownload as PowerPoint slide

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Colloid and Interface Science - Volume 342, Issue 2, 15 February 2010, Pages 455–461
نویسندگان
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