Zoekresultaten - 7 results

Challenges in Drug Surveillance: Strengthening the Analysis of New Psychoactive Substances by Harmonizing Drug Checking Services in Proficiency Testing.

chromatography-mass spectrometry (GC- MS) and liquid chromatography with diode array detector (LC- DAD). RESULTS: The proficiency test scores range from 80 to 97.5% accuracy. The most common issues and errors are ...

Chemical and toxciological characterization of e-liquid cigarettes

methods were developed for the quantitative determination of nicotine and its related impurities (HPLC- DAD) and for the flavours diacetyl and acetylpropionyl (HS / GC- MS). Also, screening methods were ...

A simple dilute-and-shoot method for screening and simultaneous quantification of nicotine and alkaloid impurities in electronic cigarette refills (e-liquids) by UHPLC-DAD

and impurity levels, the majority of them use a targeted LC- MS / MS approach. There is, however, a need for more robust quantification methods that are easy to implement in most control (industrial and ...

The use of LC-MS/MS to identify counterfeited and illegal biopharmaceuticals seized by the Belgian authorities.

Publication Type: Scientific poster, presentation or proceeding Authors: Celine Vanhee Source: Bruker USERS MEETING, Brussels, Belgium (2015) Keywords: LC–DAD–MS/MS Health Topics:  Médicaments ...

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

Number 334, p.326- 334 (2016) Keywords: illegal insulin LC–DAD–MS/MS Quantification method Screening method Abstract: The occurrence of illegal medicines is a well-established global problem and concerns ...

Analysis of illegal peptide biopharmaceuticals frequently encountered by controlling agencies.

method would be beneficiary in the battle against counterfeit and illegal peptide drugs. In this paper we present such general screening method employing liquid chromatography-tandem mass spectrometry (LC ...

Development and validation of a UHPLC-MS/MS screening method and a UHPLC-DAD quantification method for the analysis of counterfeit antimicrobials

Counterfeit antimicrobials LC-DAD LC-MS/MS Health Topics:  Illegal medicines Médicaments illégaux Illegale geneesmiddelen Efficacité et sécurité des vaccins, médicaments et produits de santé- Qualité des ...

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