Title: Direct Ion-Beam Activation of Nanoparticles
Authors: GIBSON PeterHOLZWARTH UweSIMONELLI FedericaCOTOGNO Giulio
Publisher: Pan Stanford Publishing
Publication Year: 2016
JRC N°: JRC87468
ISBN: 978-981-4669-08-5
URI: https://www.crcpress.com/Isotopes-in-Nanoparticles-Fundamentals-and-Applications/Llop-Gomez-Vallejo/p/book/9789814669085
http://publications.jrc.ec.europa.eu/repository/handle/JRC87468
Type: Articles in periodicals and books
Abstract: Tracing nanoparticles is not a simple matter. In many environments detection of their presence using compositional determination is severely limited due to background levels of their atomic constituents, so that only relatively large concentrations can be detected. In addition, it is sometimes necessary to also determine whether the nanoparticles are actually still in particulate form. For low concentrations this may be particularly challenging since structural analysis techniques such as X-ray diffraction or some spectroscopic methods generally lack the sensitivity required at low concentrations, and electron microscopy determination of nanoparticle concentrations in large samples is difficult, expensive, time consuming and may be prone to errors. This chapter covers the area of direct ion-beam activation of nanoparticles (NPs), a method that has been studied and optimised over several years, and which can be used to radiolabel certain types of dry nanoparticulate powders to useful activity levels without significant modification of the nanoparticle properties. If the radiolabels are stably incorporated into the nanoparticles this methods is by far the most sensitive and quantitative available for tracing of very small nanoparticle concentrations.
JRC Directorate:Institute for Health and Consumer Protection Historical Collection

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