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

solvent and 1 H- NMR data. Future suspicious samples in the network will therefore be analysed with these techniques in order to attribute the sample to one of the manufacturers. If the sample cannot be ...

Use of near infrared spectroscopy and chemometrics for the classification of different Cannabis spp. samples found in Belgium

reflectance mode with the Near Infrared Reflectance Accessory (NIRA)) and dispersive NIR handheld devices combined with chemometrics.  All pretreated spectra were analysed with chemometrics. Principal component ...

GEONs API fingerprint project: Selection of analytical techniques for clustering of sildenafil citrate API samples

the data of only three of these tests, i.e. gas chromatography for residual solvents, X-ray diffraction and proton NMR. Suspicious API samples for sildenafil citrate will therefore be analysed in the ...

Nine prohibited stimulants found in sports and weight loss supplements

containers or subsamples of the same brand, both products were reanalyzed by Sciensano (Brussels, Belgium). NSF International carried out qualitative and quantitative analyses using ultra-high-performance ...

Impurity profiling of the most frequently encountered falsified polypeptide drugs on the Belgian market

biotherapeutics were already analysed, looking at a specific aspect of their quality or identity, no systematic studies have been performed regarding the presence of different impurities or possible contaminations. ...

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