| Separation and characterization of gold nanoparticle mixtures by flow-field-flow fractionation. | |
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MedLine Citation:
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PMID: 21288528 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We show that using asymmetric flow-field-flow fractionation and UV-vis detector it is possible to separate, characterize, and quantify the correct number size distribution of gold nanoparticle (AuNP) mixtures of various sizes in the 5-60nm range for which simple dynamic light scattering measurements give misleading information. The size of the collected nanoparticles fractions can be determined both in solution and in the solid state, and their surface chemistry characterized by NMR. This method will find widespread applications both in the process of "size purification" after the synthesis of AuNP and in the identification and characterization of gold-based nanomaterials in consumer products. |
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Authors:
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Luigi Calzolai; Douglas Gilliland; César Pascual Garcìa; François Rossi |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-14 |
Journal Detail:
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Title: Journal of chromatography. A Volume: - ISSN: 1873-3778 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-2-3 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9318488 Medline TA: J Chromatogr A Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier B.V. |
Affiliation:
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European Commission, Joint Research Centre, Institute for Health and Consumer Protection, I-21027, Ispra (VA), Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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