Zoekresultaten - 12 results
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
herbal adulteration MS. Tribulus terrestris UHPLC Abstract: Background: Erectile dysfunction (ED) characterized by the inability to achieve or maintain erection during sexual activity, is a common disorder ...
Use of near infrared spectroscopy and chemometrics for the classification of different Cannabis spp. samples found in Belgium
0.2% m/m, at least for police officers on site. There is a need to characterize these products with a rapid, ecological and cheap analytical method. The current methods of reference are GC- MS, GC- FID ...
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 ...
European fingerprint study on omeprazole drug substances using a multi analytical approach and chemometrics as a tool for the discrimination of manufacturing sources
analysis carried out by 7 European laboratories on 28 samples from 11 manufacturers with 5 analytical techniques (related substances with HPLC, residual solvents with GC- MS, near infrared spectroscopy, ...
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.
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 ...
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 ...
Analysis of illegal peptide drugs via HILIC-DAD-MS.
(MS) and quantification via UV. Validation was performed via accuracy profiles based on the ISO 17025 guideline. The obtained validated HILIC-method allows for the detection and quantification of the ...
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 ...