Zoekresultaten - 9 results

CHROMATOGRAPHIC FINGERPRINT DEVELOPMENT FOR THE DETECTION OF TRIBULUS TERRESTRIS IN PLANT FOOD SUPPLEMENTS

by preparing triturations of TT with herbal matrices in varying ratios (½, ⅕, 1/10, 1/15, ½0). Twenty unknown samples were screened for TT and further confirmation was carried out by UH ¨ PLC-mass ...

Characterization and risk identification of falsified medicines and adulterated dietary supplements

chemometrics to detect prohibited or regulated plants in herbal mixtures. In a new project the service is turning towards multi-dimensional fingerprints and mass spectrometry fingerprints in order to augment ...

Nine prohibited stimulants found in sports and weight loss supplements

liquid chromatography (UHPLC) quadrupole-Orbitrap mass spectrometry. RIVM performed qualitative and quantitative analysis using UHPLC quadrupole time-of-flight mass spectrometry. Sciensano carried out ...

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 ...

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 ...

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

electrophoretic techniques, immunological assays and mass spectrometry based approaches to merely identify the content of seized samples. In addition, the difference in size (peptide vs proteins vs monoclonal ...

Analysis of illegal peptide drugs via HILIC-DAD-MS.

in terms of resolution and symmetry factor for the targeted peptide set. Hence, the operational conditions were further optimised for the identification of illegal preparations via mass spectrometry ...

A simple dilute and shoot methodology for the identification and quantification of illegal insulin

insulin lispro in conditions that are compatible with mass spectrometry (MS). Additionally, we were also able to selectively quantify the different insulins, including human insulin and insulin lispro ...

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