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Zoekresultaten - 13 results
Open Lab Application for the Characterization of Nanomaterials by Transmission Electron Microscopy
more and more nanotechnology based products will become available in the European Union over the coming years, the European Commission (EC) has developed a Recommendation that provides a basis to ...
Simultaneous determination of parabens, bisphenols and alkylphenols in human placenta by ultra-high performance liquid chromatography- tandem mass spectrometry
0.6-2.1 ng g−1 for BPF and from 0.8-1.3 ng g−1 for BPS. BPB and NP were not detected and OP levels ranged from 0.5-3.7 ng g−1. The results demonstrate that the developed analytical method is very sensitive ...
Monitoring of pyrrolizidine alkaloids in beehive products and derivatives on the Belgian market
contaminated with those compounds by bees foraging PA producing plants. Downstream contamination can also occur through food items containing honey. Analytical methods based on UHPLC separation and MS / MS ...
Development of a QuEChERS-Based UHPLC-MS/MS Method for Simultaneous Determination of Six Alternaria Toxins in Grapes
Han, Zheng Source: Toxins, Volume 11, Issue 2, Number 100 (2019) Keywords: Alternaria toxins Grape modified QuEChERS UHPLC-MS/MS Abstract: A simple and reliable analytical method for the simultaneous ...
A more sensitive, efficient and ISO 17025 validated Magnetic Capture real time PCR method for the detection of archetypal Toxoplasma gondii strains in meat.
demonstrated. For this, a bioassay is still the reference method. As an alternative, various PCR methods have been developed, but due to the limited amount of sample that can be tested, combined with a low tissue ...
Nicotine Dependence and Urinary Nicotine, Cotinine and Hydroxycotinine Levels in Daily Smokers.
cigarettes per day among biomarker concentrations and individual FTND items. METHODS: Urine samples and questionnaire data of 239 daily smokers were obtained. Nicotine, cotinine and hydroxycotinine urinary ...
A multiplex oligonucleotide ligation-PCR as a complementary tool for subtyping of Salmonella Typhimurium
INFECTION infections International investigation IS IT Laboratories LEVEL Luminex Marker Markers method microsphere array MOL-PCR Molecular molecular markers Network Objective observed ON outbreak outbreaks ...
Current and new approaches in GMO detection: challenges and solutions
https://www.sciensano.be/nl/biblio/current-and-new-approaches-gmo-detection-challenges-and-solutions
DNA, have been developed to implement these legislations. Due to its numerous advantages, the quantitative PCR (qPCR) is the method of choice for the enforcement laboratories in GMO routine analysis. ...
Integrated DNA walking system to characterize a broad spectrum of GMOs in food/feed matrices.
methods targeting p35S or tNOS, the most common transgenic elements found in GM crops, were developed. These newly developed DNA walking methods are completing the previously implemented DNA walking method ...
Statistical framework for detection of Genetically Modified Organisms based on Next Generation Sequencing
number and diversity of genetically modified (GM) crops has significantly increased, their analysis based on real-time PCR (qPCR) methods is becoming increasingly complex and laborious. While several ...