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Résultats de la recherche - 187 results
DETERMINATION OF ALLERGENIC FRAGRANCE INGREDIENTS IN FEMININE ABSORBENT HYGIENE PRODUCTS AND LUBRICANTS
matrix-effect in AHP s was reduced with the use of 1-fluoronapthalene as an internal standard (IS) and matrix-matched calibration for quantification purposes. A relative bias was set at 15%, that was met by each ...
A simple dilute-and-shoot method for screening and simultaneous quantification of nicotine and alkaloid impurities in electronic cigarette refills (e-liquids) by UHPLC-DAD
(e-liquids). Currently, the most important quality indicator of e-liquid products is the quantification of nicotine and its related impurities. Although different methods have been published to measure nicotine ...
Simultaneous determination of parabens, bisphenols and alkylphenols in human placenta by ultra-high performance liquid chromatography- tandem mass spectrometry
negative electrospray ionization. Labeled internal standards and matrix-matched calibration are used for quantification of the compounds. The method was validated according FDA guideline for bio analytical ...
Development and validation of chromatographic methods for screening and subsequent quantification of suspected illegal antimicrobial drugs encountered on the Belgian market.
a screening and a quantification method using ultra-high performance liquid chromatography with tandem mass spectrometry (UHPLC- MS) and diode array detection (UHPLC- DAD), respectively were developed and ...
Quantification of Tetanus neurotoxin producted by Clostridium tetani strains
Publication Type: Scientific poster, presentation or proceeding Authors: Antoine Francotte; Celine Vanhee Source: VAC2VAC anual meeting (2019) Health Topics: Effectiveness and safety of vaccines, medicines and health products- Quality of medical laborato ...
Pesticide residues in Tunisian table grapes and associated risk for consumer’s health
presence of 96 pesticides, including dithiocarbamates, was assessed. Pesticides identification and quantification were performed by liquid or gas chromatography, coupled to tandem mass spectrometry. All ...
Development of a QuEChERS-Based UHPLC-MS/MS Method for Simultaneous Determination of Six Alternaria Toxins in Grapes
detection in the range of 0.03–0.21 μg kg−1, and limit of quantification in the range of 0.09–0.48 μg kg−1), and precision (relative standard deviation (RSD) ≤ 12.9%), the analytical method was successfully ...
Development and validation of chromatographic methods for screening and subsequent quantification of suspected illegal antimicrobial drugs encountered on the Belgian market
quantify a wide range of antimicrobials in suspected illegal products. In this work, a screening and a quantification method using ultra-high performance liquid chromatography with tandem mass spectrometry ...
RNA-based drug susceptibility testing of Mycobacterium tuberculosis
pump overexpression, and (d) ignore the multifactorial influence of compensatory mutations. Here, we introduce a next-generation diagnostic test based on quantification of antibiotic-specific RNA ...
Estimating the Reliability of Low-Abundant Signals and Limited Replicate Measurements through MS2 Peak Area in SWATH
Keywords: MS2 peak area Abstract: Sequential windows acquisition of all theoretical fragment ions mass spectrometry (SWATH- MS) provides large-scale protein quantification with high accuracy and selectivity. ...