Résultats de la recherche - 11 results

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

material Abstract: An approach for the size measurement of particulate (nano)materials by transmission electron microscopy was evaluated. The approach combines standard operating procedures for specimen ...

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

Publication Type: Peer reviewed scientific article Authors: Pieter-Jan De Temmerman; Eveline Verleysen; Lammertyn, Jeroen; Jan Mast Source: Powder Technology, Volume 261 (2014) Keywords: Transmission electron microscopy Image analysis Aggregate Nanomateri ...

Measurement uncertainties of size, shape, and surface measurements using transmission electron microscopy of near-monodisperse, near-spherical nanoparticles

nanoparticles Measurement uncertainty Nanometrology Health Topics:  Health and environment Santé et environnement Gezondheid en milieu Service:  Éléments traces et nanomatériaux Spoorelementen en nanomaterialen ...

Environmental risk assessment of clinical trials involving modified vaccinia virus Ankara (MVA)-based vectors.

reconversion, recombination and dissemination in the population and the environment are the main points of attention. Measures to prevent or manage identified risks are also discussed. Full text language:  ...

Scientific opinion on the risk for public health related to the presence of mercury and methylmercury in food

Europe European European Commission exposure food Food Additives Hair health Increase INFORMATION Inhalation Exposure intake IS LEVEL levels measure measures mercury NUTRITION observed ON outcome outcomes ...

Mutagenicity, antimutagenicity and cytotoxicity evaluation of South African Podocarpus species

of toxicity, as was observed from these extracts. These findings will help in assessing the safety measures to be considered in the use of these species and also the need to determine the cytotoxic ...

A dynamic model to calculate cadmium concentrations in bovine tissues from basic soil characteristics.

drinking water, sampled at the farms were the bovines were reared. Validation of the model occurred with a second set of measured tissue Cd concentrations of 93 bovines of which age and farm location were ...

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

feasibility to visualize and measure silica and gold NM in suspension using conventional bright field electron tomography. RESULTS: The general morphology of gold and silica NM was visualized in 3D by ...

Biodiversity and human health: mechanisms and evidence of the positive health effects of diversity in nature and green spaces.

number of studies that relate measured biodiversity to human health. There is more evidence for self-reported psychological well-being than for well-defined clinical outcomes. High species diversity has ...

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