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Simultaneous determination of parabens, bisphenols and alkylphenols in human placenta by ultra-high performance liquid chromatography-tandem mass spectrometry

BPB, BPF, and BPS) and two alkylphenols (nonyl phenol (NP) and tert-octylphenol (OP) in human placenta samples. After a short sample preparation time the extracts are analysed by UHPLC- MS / MS using ...

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

preparation, imaging, and image analysis, and it was evaluated on a series of certified reference materials and representative test materials with varying physical properties, including particle size, shape, and ...

Development of a sample preparation method for the GC-analysis of e-cigarette refill liquids

issue, a proper sample preparation is needed, to improve the life span of the column and reduce the total number of cuts in the GC-column. The aim of our study is to quantify potential harmful flavourings ...

Physicochemical Characterisation of the E171 Food Additive

sample preparation protocols influencing particle dispersion (pH, probe sonication and centrifugation) were tested and optimized. In optimized conditions, representative TEM micrographs could be recorded, ...

Syllabus of the workshop physicochemical characterization of nano-sized particles in food

particles in food additives (including E171 and E174) and in food products by TEM Practical experience in sample/ TEM-specimen preparation and application of the ParticleSizer software for the analysis of TEM ...

Nanomaterials for food applications: Analytical challenges and practical solutions for enforcing labeling of nanoingredients in food products in the European Union

“nano” labeling poses several analytical challenges. This includes the many potential sources of NP s in food which can interfere with the analysis, the challenges in relation to sample preparation, the ...

Simultaneous determination of parabens, bisphenols and alkylphenols in human placenta by ultra-high performance liquid chromatography- tandem mass spectrometry

BPB, BPF, and BPS) and two  alkylphenols (nonyl phenol (NP) and tert-octylphenol (OP) in human placenta samples.  After a short sample preparation time the extracts are analysed by UHPLC- MS / MS using ...

Falsification of biotechnology drugs: current dangers and/or future disasters?

falsified. The danger regarding the use of these falsified polypeptide drugs lies in the fact that end-users have no guarantee of the safety and efficacy of these preparations. Multiple reports have namely ...

Preparing cDNA Libraries from Lytic Phage-Infected Cells for Whole Transcriptome Analysis by RNA-Seq.

Publication Type: Peer reviewed scientific article Authors: Blasdel, Bob; Pieter-Jan Ceyssens; Lavigne, Rob Source: Methods Mol Biol, Volume 1681, Issue 1681, Number 1941 (2018) Keywords: Bacteriophage RNA-seq Abstract: Whole genome wide analysis of trans ...

Very Long Persistence of Botulinum Toxin B in a Patient’s Serum

of BoNT B in the serum and ii) the risks related to the preparation of artisanal products as well as the importance of an efficient communication to citizens regarding preservation methods of ...

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