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Résultats de la recherche - 9 results
Multidimensional Chromatographic Fingerprinting Combined with Chemometrics for the Identification of Regulated Plants in Suspicious Plant Food Supplements.
the approach not so straightforward. This paper aims to tackle this problem by developing a multidimensional chromatographic fingerprinting method aided by chemometrics. To render more specificity to ...
Clustering of Tadalafil API Samples According to their Manufacturer in the Context of API Falsification Detection
attributed, a more profound investigation will be necessary to reveal the origin of the sample. In cases where the suspect sample is claimed to be from one of the manufacturers included in this study, analysis ...
Contents of Amoxicillin Drugs Dispensed in Goma, Democratic Republic of Congo
Amoxicillin over dosage (defined as 110% or more of indicated content) was found in 3 of the amoxicillin and in 1 of the combined specimens. Clavulanic acid was underdosed in none but overdosed in 5 of the ...
Nine prohibited stimulants found in sports and weight loss supplements: deterenol, phenpromethamine, oxilofrine, octodrine, beta-methylphenylethylamine, 1,3-dimethylamylamine, 1,4-dimethylamylamine, 1,3-dimethylbutylamine (1,3-DMBA) and higenamine.
out qualitative analysis using UHPLC quadrupole-Orbitrap mass spectrometry. RESULTS: Seventeen brands of supplements were analyzed. Many brands included more than one prohibited stimulant in the same ...
Nine prohibited stimulants found in sports and weight loss supplements
qualitative analysis using UHPLC quadrupole-Orbitrap mass spectrometry. Results Seventeen brands of supplements were analyzed. Many brands included more than one prohibited stimulant in the same product: ...
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.
served as an incentive to develop a novel combined liquid chromatography tandem mass spectroscopy (LC- MS / MS) methodology, applicable to both hydrophilic or more hydrophobic peptides, which was utilized ...
Development and validation of chromatographic methods for screening and subsequent quantification of suspected illegal antimicrobial drugs encountered on the Belgian market.
validated. These methods could be used for routine analysis and enable a more in-depth characterization of SF-antimicrobials. According to their popularity as SF-antimicrobials, 31 antibiotics, 3 antibacterial ...
Impurity profiling of the most frequently encountered falsified polypeptide drugs on the Belgian market
drugs. Subsequent speciation of As confirmed the elevated concentrations for As and demonstrated that all As was present in the more toxic inorganic form. Together with the (sometimes) high amount of ...
Analysis of illegal peptide drugs via HILIC-DAD-MS.
been developed to detect and quantify these peptides. The emerging of more polar peptides however requires the introduction of other separation techniques. Therefore, we set out to develop and validate ...