Résultats de la recherche - 220 results

Report on a New Opioid NPS: Chemical and In Vitro Functional Characterization of a Structural Isomer of the MT-45 Derivative Diphenpipenol.

Stove, Christophe Source: J Anal Toxicol, Volume 45, Issue 2 (2021) Keywords: Analgesics, Opioid Chromatography, High Pressure Liquid Designer Drugs Gas Chromatography-Mass Spectrometry illicit drugs ...

Urinary sodium and iodine concentrations among Belgian adults: results from the first national Health Examination Survey.

/ METHODS: Spot urine samples were collected in 2018 from participants of the Belgian Health Examination Survey. Iodine and sodium concentrations were measured by inductively coupled plasma mass spectrometry ...

Physico-chemical characterisation of the fraction of silver (nano)particles in pristine food additive E174 and in E174-containing confectionery.

products by transmission electron microscopy (TEM) and single-particle inductively coupled plasma-mass spectrometry (spICP- MS). TEM analysis showed that all samples contained micrometre-sized flakes and ...

Physico-chemical characterisation of the fraction of silver (nano)particles in pristine food additive E174 and in E174-containing confectionery

products by transmission electron microscopy (TEM) and single-particle inductively coupled plasma-mass spectrometry (spICP- MS). TEM analysis showed that all samples contained micrometre-sized flakes and ...

Detection of toxins involved in foodborne diseases caused by Gram‐positive bacteria

toxicological mode of action and dose‐response profile. This review focuses on biological, immunological, mass spectrometry, and molecular assays as the most commonly used detection and quantification methods for ...

Physicochemical Characterization of the Pristine E171 Food Additive by Standardized and Validated Methods.

standardized and validated methodologies to characterize representative samples of 15 pristine E171 materials based on transmission electron microscopy (TEM) and single-particle inductively coupled plasma mass ...

Biological monitoring of exposure to pesticide residues among Belgian florists

concentrations of pesticide residues and metabolites in urine samples were analyzed with a multiresidue liquid chromatography tandem mass spectrometry method, after an ethyl acetate extraction. The results are ...

The occurrence of putative cognitive enhancing research peptides in seized pharmaceutical preparations: An incentive for controlling agencies to prepare for future encounters of the kind.

recommendation paper of the General European Official Medicines Control Laboratory (OMCL) network on the interpretation of screening results for unknown peptides by mass spectrometry, was also validated in ...

DETERMINATION OF SENSITIZING AND IRRITATING LEACHABLES IN MENSTRUAL HYGIENE PRODUCTS

step and a salting-out assisted liquid-liquid extraction procedure were developed and op-timized. An ultra performance liquid chromatography – triple quad mass spectrometry (UPLC- TQMS) method with a run ...

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