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Sample preparation methods for elemental analysis in electronic cigarette aerosols: a critical review
more standardization methodologies were introduced in the analysis of metal(loid)s from aerosols, a huge divergence in sample preparation can be found in the literature. This work aimed to provide an ...
Method development for analysis of nanoplastics in drinking water and milk using transmission electron microscopy (TEM)
risk assessment. This TEM-based approach was validated using polystyrene (PS) reference beads in the size range 60-500 nm, encompassing all analysis steps, from sample preparation to image analysis. Typically, the ...
Implementation of METROFOOD services in the Belgium node
different access types, access modes and suitably designed access procedures. Services prepared for provision within the project will ensure that user demands, competitive and fair-pricing, driven by ...
Assessing particle count in electron microscopy measurements of nanomaterials to support regulatory guidance
Upon combining the precision uncertainty related to particle numberwith uncertainties from other sources, such as sample preparation, calibration and trueness, wereach an optimal particle count above ...
Particle size analysis of iron hydroxide adipate tartrate (IHAT) in a food supplement: Interlaboratory testing of a dynamic light scattering method
results demonstrate that dynamic light scattering can reliably measure the particle size of particles in the low nanometre range if samples are prepared and measured following a robust, easy-to-reproduce, ...
Evaluating MIR and NIR Spectroscopy Coupled with Multivariate Analysis for Detection and Quantification of Additives in Tobacco Products.
chromatography-mass spectrometry (GC- MS), liquid chromatography-mass spectrometry (LC- MS), and others, although effective, suffer from drawbacks, including complex sample preparation, high costs, lengthy analysis ...
An interlaboratory proficiency test using metagenomic sequencing as a diagnostic tool for the detection of RNA viruses in swine fecal material.
interpretation of mNGS results. IMPORTANCE: Metagenomic shotgun sequencing (mNGS) is a generic molecular diagnostic method, involving laboratory preparation of samples, sequencing, bioinformatic analysis of ...
Future of opioid markets in Europe: Foresight approaches
the scenarios. The workshop allowed participants to support national and European policy makers in how to deal with the consequences of the situation and how to prepare for different scenarios. The methodology ...
Reflections of the NRL: implementation of EN ISO 11133 in food microbiology laboratories
11133 for the preparation, production, storage and performance testing of culture media has been published in 2014 and superseded all previous ISO publications and information on culture media. It’s ...
Sphaeropsidin A C15-C16 Cross-Metathesis Analogues with Potent Anticancer Activity.
cupressi, overcomes apoptosis resistance in cancer cells by inducing cellular shrinkage by impairing regulatory volume increase. Previously, we prepared a pyrene-conjugated derivative of SphA by ...