Search results - 36 results

Development of a Luminex xTAG® assay for cost-effective multiplex detection of β-lactamases in Gram-negative bacteria.

non- ESBL SHV- and TEM-likes, OXA-½/7-likes, PER, VEB, GES), plasmid-mediated cephalosporinases (CMY, MOX, FOX, ACC, DHA, MIR / ACT) and carbapenemases (OXA-48, NDM, KPC, VIM, IMP). METHODS: A modular ...

Method validation of nanomaterial characterization by single particle ICP-MS, DLS and quantitative TEM analyses. Final report NanoVAL.

(2016) Accession Number: NA Keywords: DLS ICP-MS nanomaterials NanoVAL TEM Health Topics:  Nanomaterialen Nanomatériaux Manuscript versions:  DOI:  http://x File:  Version:  Published Full text access:  ...

Challenges in the size analysis of a silica nanoparticle mixture as candidate certified reference material.

equivalent diameters that are specific for dynamic light scattering (DLS), centrifugal liquid sedimentation (CLS), scanning and transmission electron microscopy (SEM and TEM), atomic force microscopy (AFM), ...

Physical Characterization of Nanomaterials in Dispersion by Transmission Electron Microscopy in a Regulatory Framework

8, Number 270, Cham, p.21 (2015) ISBN: 978-3-319-15176-2 Abstract: TEM is one of the few techniques that can identify nanoparticles according to the current definitions. This chapter focuses on the ...

TEM and SP-ICP-MS analysis of the release of silver nanoparticles from decoration of pastry.

particles released from the silver pearls were determined by combining conventional bright-field TEM imaging with semiautomatic particle detection and analysis. In addition, the crystal structure of the ...

Transmission electron microscopy sample preparation protocols for the ultrastructural study of cysts of free-living protozoa.

dynamics is a major challenge because no detailed protocols for ultrastructural analysis of cysts are currently available. Transmission electron microscopy (TEM) is ideally suited for those analyses; ...

Establishing mono-eukaryotic Histomonas meleagridis cultures from in vivo infection contaminated with Tetratrichomonas gallinarum and Blastocystis spp.

Additionally, TEM examination and analysis by PCR amplification of the small subunit rRNA gene could exclude the co-cultivation of T. gallinarum and Blastocystis spp. Furthermore, after successful propagation and ...

Quantitative characterization of agglomerates and aggregates of pyrogenic and precipitated amorphous silica nanomaterials by transmission electron microscopy.

and agglomerates. A method based on transmission electron microscopy (TEM), to visualize the NM and on image analysis, to measure detected features quantitatively, was assessed for its capacity to ...

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 ...

Trends in production of extended-spectrum beta-lactamases among Enterobacteriaceae of clinical interest: results of a nationwide survey in Belgian hospitals.

Escherichia coli (49%), Enterobacter aerogenes (32%) and Klebsiella pneumoniae (9%) represented the most prevalent species. Isolates harboured predominantly TEM-24 (30.7%), CTX-M-15 (24.2%) and TEM-52 (12.1%). ...

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