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Résultats de la recherche - 55 results
Method development for analysis of nanoplastics in drinking water and milk using transmission electron microscopy (TEM)
addresses this by developing advanced methodologies for characterizing and measuring NP in food matrices, using transmission electron microscopy (TEM) to assess size and shape — critical parameters for ...
A validation methodology for size and shape measurement of nanoplastics by transmission electron microscopy
impacts. In this study, we establish a foundational framework for such measurements by validating a transmission electron microscopy (TEM)-based approach, in the context of the European project PlasticTrace ...
Characterization of functional nanoparticles applied in face masks by STEM-EDX
localization and the form of nanomaterials within the mask is necessary. This work applies scanning transmission electron microscopy (STEM) coupled with energy-dispersive x-ray spectroscopy (EDX) on a set of 10 ...
The use of nitrous oxide whippets as a recreational drug: Hidden health risks.
(ICP- OES). The particulate matter was also analyzed by scanning transmission electron microscopy (STEM) combined with energy-dispersive X-ray spectroscopy (EDX). The presence of cyclohexyl isothiocyanate ...
Identification and characterization of inorganic food additives and pearlescent pigments in sprays for food decoration by STEM-EDX
Van Loco Source: IMEKOFOODS 2023, Imekofoods, Paris (2023) Keywords: electron microscopy inorganic food additives pearlescent pigments sprays STEM-EDX Abstract: Food colorants are applied in commercial ...
Development of novel analytical methods to trace small micro- and nanoplastics in food matrices
identified by Raman microspectroscopy. As a side supporting technique, atomic force microscopy (AFM) and transmission electron microscopy (TEM) have been employed to investigate the size, shape and the ...
Advances in the physicochemical characterization of nanoparticles in a regulatory context.
Nanoparticles Physicochemical characterization regulation transmission electron microscopy Abstract: Advances in the physicochemical characterization of nanoparticles in a regulatory context Defining, ...
Identification and characterization of TiO2 nanoparticles in face masks by TEM
particle size measurement of nanoparticles in situ in face masks by conventional and analytical transmission electron microscopy (TEM). The methodology can be applied by following this protocol which ...
Particle size analysis of pristine food-grade titanium dioxide and E 171 in confectionery products: Interlaboratory testing of a SP-ICP-MS screening method and confirmation with transmission electron microscopy.
electron microscopy (TEM) was used as a confirmatory technique and served as the basis for bias estimation. The optimisation of the sample preparation step showed that when this protocol was applied to the ...
Physico-chemical characterisation of the fraction of silver (nano)particles in pristine food additive E174 and in E174-containing confectionery.
products by transmission electron microscopy (TEM) and single-particle inductively coupled plasma-mass spectrometry (spICP- MS). TEM analysis showed that all samples contained micrometre-sized flakes and ...