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Résultats de la recherche - 9 results

Sentinel-2 Satellite and Hysplit Model Show that Local Cereal Harvesting Substantially Contributes to Peak Alternaria Spore Concentrations

contribution of cereal harvesting to peak Alternaria spore concentrations. Daily Alternaria spores were collected using Hirst-type traps in 12 sites in Europe for the period 2016-2018. Hybrid Single-Particle ...

IDENTIFICATION, PHYSICOCHEMICAL CHARACTERISATION AND PRELIMINARY RISK ANALYSIS OF TITANIUM DIOXIDE PARTICLES IN FACE MASKS Intermediate report TiO2-Mask COVID-19 project September 2021

Vleminckx; Eveline Verleysen Source: Sciensano, Elsene, Belgium, p.50 (2021) Accession Number: D/2021/14.440/72 Abstract: In situ analysis of titanium dioxide (TiO2) particles in face masks demonstrated the ...

Evaluation of a TEM based Approach for Size Measurement of Particulate (Nano)materials

preparation, imaging, and image analysis, and it was evaluated on a series of certified reference materials and representative test materials with varying physical properties, including particle size, shape, and ...

Nanomaterials for food applications: Analytical challenges and practical solutions for enforcing labeling of nanoingredients in food products in the European Union

Nanoparticles Single particle ICP-MS Abstract: Food ingredients present in the form of engineered nanoparticles (NP s) require specific labeling as “nano” in the European Union. Enforcing proper labeling of ...

Scientific Statement on Presence of microplastics and nanoplastics in food, with particular focus on seafood

nanoplastics, occurrence data in food, including effects of food processing, in particular, for the smaller sized particles (< 150 µm) should be generated. Research on the toxicokinetics and toxicity, ...

Size measurement uncertainties of near-monodisperse, near-spherical nanoparticles using transmission electron microscopy and particle-tracking analysis

(2014) Keywords: Transmission electron microscopy Particle-tracking analysis Colloidal gold Polystyrene beads Method validation Measurement uncertainty Nanometrology Health Topics:  Health and environment ...

Semi-automatic size measurement of primary particles in aggregated nanomaterials by transmission electron microscopy

Transmission electron microscopy Image analysis Aggregate Nanomaterial Primary particles Fractal analysis Health Topics:  Health and environment Santé et environnement Gezondheid en milieu Manuscript versions:  ...

Determination of the volume-specific surface area by using transmission electron tomography for characterization and definition of nanomaterials.

electron microscopy (TEM) remains an important technique to investigate the size, shape and surface characteristics of particles at the nanometer scale. Resulting micrographs are two dimensional projections ...

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