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Evaluation of the types, efficient use and health risks of application of silver-based biocides to provide antimicrobial properties to face masks applied during the Covid-19 crisis
biocides in face masks using electron microscopy and EDX, combined with total silver measurement using ICP- MS or ICP- OES demonstrated the presence of varying amounts and different types of silver-based ...
METROFOOD-RI: Pilot services with physical, remote and virtual access
this model of service provision, three use cases have been defined that are representative of the different types of access that will be provided by METROFOOD- RI: physical access to a food pilot plant ...
Agglomeration of titanium dioxide nanoparticles increases toxicological responses in vitro and in vivo
influence of NP agglomeration on their toxicity/biological responses in vitro and in vivo. Results: We tested two TiO2 NP s with different primary sizes (17 and 117 nm) and prepared ad-hoc suspensions ...
Is aggregated synthetic amorphous silica toxicologically relevant?
to address the toxicological relevance of aggregates of different sizes. Results: We used a precipitated SAS dispersed by different methods, generating 4 ad-hoc suspensions with different aggregate ...
A systematic evaluation of Flow Field Flow Fractionation and single-particle ICP-MS to obtain the size distribution of organo-mineral iron oxyhydroxide colloids.
synthetic nano- and submicron FeOx with different mineralogy and coating were prepared and two soil solutions were included. The FlFFF was optimized for Fe recovery, yielding 70-90%. The FlFFF determines ...
Short-term biodistribution and clearance of intravenously administered silica nanoparticles
hours, silicon was mainly excreted through urine. Further studies are necessary to evaluate the toxicokinetics of different types of silica nanomaterials at lower exposure doses in order to be able to ...
Toxicology of silica nanoparticles: an update
Toxicity of SiNPs in vitro is size, dose, and cell type dependent. SiNPs synthesized by wet route exhibited noticeably different biological effects compared to thermal route-based SiNPs. Amorphous SiNPs ...
Physical Characterization of Nanomaterials in Dispersion by Transmission Electron Microscopy in a Regulatory Framework
different steps required to analyze dispersed nanomaterials by TEM. Methodologies to obtain homogeneous and stable dispersions of colloidal nanomaterials and powders are presented. The preparation of TEM ...