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A dilute gold nanoparticle suspension as small-angle X-ray scattering standard for an absolute scale using an extended Guinier approximation

Publications associées (32)

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Nanotoxicology: 2D analysis in a 3D matrix

Anders Meibom, Louise Helene Soegaard Jensen

Engineered nanoparticles are the fastest growing nanotechnology product, and of increasing environmental concern. Examples include antimicrobial silver nanoparticles, iron oxide particles used in bulk scale for environmental remediation, and micro- and nan ...

2016

Multiscattering-Enhanced Absorption Spectroscopy

Olivier Martin, Christian Santschi, Volodymyr Koman

An original scheme for sensitive absorption measurements, particularly well-suited for low analyte concentrations, is presented. The technique is based on multiscattering-enhanced absorption spectroscopy (MEAS) and benefits from the advantages of conventio ...

Amer Chemical Soc2015

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When a binary mixture of ligand molecules is used to coat gold nanoparticles, stripe-like domains can occur. These nanodomains confer nanoparticles unique structure-dependent properties. The domain structure has been characterized primarily using scanning ...

Royal Soc Chemistry2014

Gold Metal Liquid-Like Droplets

Hubert Girault, Pierre-François Marie Brevet, Manuel Alejandro Méndez Agudelo, Heron Vrubel, Micheal Diarmaid Scanlon, Dmitry Momotenko, Evgeny Smirnov

Simple methods to self-assemble coatings and films encompassing nanoparticles are highly desirable in many practical scenarios, yet scarcely any examples of simple, robust approaches to coat macroscopic droplets with continuous, thick (multilayer), reflect ...

Amer Chemical Soc2014

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The use of solvent-free microfluidics to fine-tune the physical and chemical properties of chitosan nanoparticles for drug delivery is demonstrated. Nanoparticle self-assembly is driven by pH changes in a water environment, which increases biocompatibility ...

Wiley-Blackwell2014

It is known that the nanoparticle-cell interaction strongly depends on the physicochemical properties of the investigated particles. In addition, medium density and viscosity influence the colloidal behaviour of nanoparticles. Here, we show how nanoparticl ...

Royal Soc Chemistry2013

Nanoparticles (NPs) in the biological environment are exposed to a large variety and concentration of proteins. Proteins are known to adsorb in a 'corona' like structure on the surface of NPs. In this study, we focus on the effects of surface compositional ...

Royal Society of Chemistry2013

Gold nanoparticles protected by fluorinated ligands for F-19 MRI

Francesco Stellacci

Gold nanoparticles coated with fluorinated ligands (F-MPCs) present features suitable for F-19 MRI as observed from phantom experiments. Cellular uptake, by HeLa cells, and toxicity of fluorescent dye-decorated F-MPCs are presented together with their abil ...

Royal Society of Chemistry2013

Core/shell nanoparticles having metallic silver nanoparticle cores of similar to 38 nm in diameter and silica shells of different thicknesses ranging from similar to 3.6-20 nm were prepared. For the silica coating, a slightly modified Stober method was use ...

RSC Publishing2013

The metal oxide cluster alpha-AIW(11)O(39)(9-) (1), readily imaged by cryogenic transmission electron microscopy (cryo-TEM), is used as a diagnostic protecting anion to investigate the self-assembly of alkanethiolate monolayers on electrostatically stabili ...

American Chemical Society2012