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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/28740
Title: Flow field-flow fractionation: A versatile approach for size characterization of α-tocopherol-induced enlargement of gold nanoparticles
Authors: Wimut Sermsri
Purim Jarujamrus
Juwadee Shiowatana
Atitaya Siripinyanond
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology;Chemistry
Issue Date: 1-Apr-2010
Citation: Analytical and Bioanalytical Chemistry. Vol.396, No.8 (2010), 3079-3085
Abstract: Flow field-flow fractionation (FlFFF) was used for size characterization of gold nanoparticles. The measured particle sizes obtained from FlFFF for the commercial 10 nm gold nanoparticle standard and the gold nanoparticles synthesized in the laboratory were in good agreement with those measured by transmission electron microscopy (TEM). Further, the capability of α-tocopherol to induce enlargement of gold nanoparticles by catalysis of the reduction of AuCl4-by citrate was observed by monitoring the changes in particle size of gold nanoparticles using FlFFF. The effects of α-tocopherol and incubation time on enlargement of the gold nanoparticles were examined. Higher concentrations of α-tocopherol resulted in larger nanoparticles. At fixed α-tocopherol concentration, larger nanoparticles were formed at longer incubation times. © 2010 Springer-Verlag.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=77951243655&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/28740
ISSN: 16182650
16182642
Appears in Collections:Scopus 2006-2010

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