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Clustering of Tadalafil API Samples According to their Manufacturer in the Context of API Falsification Detection

falsified samples. In total, 46 tadalafil API samples from 13 different manufacturers were collected. For all samples fingerprint data was collected through analysis of impurities and residual solvents, mass ...

Multidimensional Fingerprint Development for the Detection of Tribulus terrestris in Plant Food Supplements

nm, which is useful for visual inspection. In a second step, mass spectrometric (MS) measurements using a time of flight analyzer were performed. This was done in order to further confirm the presence ...

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 ...

Contents of Amoxicillin Drugs Dispensed in Goma, Democratic Republic of Congo

High Performance Liquid Chromatography coupled with tandem mass spectrophotometry (UHPLC- MS / MS) and diode array detection (UHPLC- DAD). Nine of the 24 samples fulfilled the WHO criteria of counterfeit ...

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 ...

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 ...

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