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Release of Nano-objects, their aggregates and agglomerates from Masks: ambitions and scientific objectives of the RENAAME project
Publication Type: Scientific poster, presentation or proceeding Authors: F.-X. Ouf; F. Gaie-Levrel; S. Chazelet; G. Favre; N. Feltin; V. Ferré; V. Godefert; J. Mast; J. Noireaux; S. Pacault; X. Poisson; C. Wouters Source: Congrès Français sur les Aérosols ...
Advances in the physicochemical characterization of nanoparticles in a regulatory context.
its resolution covering 1-100 nm, its possibility to identify constituent particles in aggregates and agglomerates and to measure key parameters such as their minimal external dimension on ...
Identification and characterization of TiO2 nanoparticles in face masks by TEM
1866, Mountain View, CA 94042, p.17 (2022) Keywords: Agglomerates electron microscopy energy dispersive X-ray spectroscopy Face mask image analysis Nanoparticles particle size distribution STEMEDX TEM ...
IDENTIFICATION, PHYSICOCHEMICAL CHARACTERISATION AND PRELIMINARY RISK ANALYSIS OF TITANIUM DIOXIDE PARTICLES IN FACE MASKS Intermediate report TiO2-Mask COVID-19 project September 2021
presence of agglomerated TiO2 (nano)particles in all examined face masks that contain polyester or polyamide (nylon) fibres, or that are made of non-woven, synthetic fabrics. These particles resemble ...
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.
agglomerated/aggregated after sonication. Single particle ICP- MS is a powerful screening technique, which in many cases provides sufficient evidence to confirm the need to label a food product as containing (engineered) ...
Identifying nanodescriptors to predict the toxicity of nanomaterials: a case study on titanium dioxide
modelling. Agglomerate size as a nanodescriptor was well associated with biological endpoints such as DNA damage and/or cytotoxicity. We conclude that, agglomerate size is an important nanodescriptor to assess ...
Agglomeration of titanium dioxide nanoparticles increases toxicological responses in vitro and in vivo
Dominique Lison; Peter H. Hoet; Sybille van den Brule Source: Particle and Fibre Toxicology (2020) Keywords: Agglomerates Biological responses nanomaterials titanium dioxide toxicity Abstract: Background: The ...
Is aggregated synthetic amorphous silica toxicologically relevant?
amorphous silica Abstract: Background: The regulatory definition(s) of nanomaterials (NM s) frequently uses the term ‘agglomerates and aggregates’ (AA) despite the paucity of evidence that AA are ...
Evaluation of a TEM based Approach for Size Measurement of Particulate (Nano)materials.
properties, including particle size, shape, and agglomeration state. The measurement of the median value of the minimal external particle diameter distribution was intra-laboratory validated. The validation ...
Evaluation of a TEM based Approach for Size Measurement of Particulate (Nano)materials
agglomeration state. The measurement of the median value of the minimal external particle diameter distribution was intra-laboratory validated. The validation study included an assessment of the limit of ...