Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Jonas Schram"'
Autor:
Ana-Maria Dragan, Florina Maria Truta, Mihaela Tertis, Anca Florea, Jonas Schram, Andreea Cernat, Bogdan Feier, Karolien De Wael, Cecilia Cristea, Radu Oprean
Publikováno v:
Frontiers in Chemistry, Vol 9 (2021)
Illicit drugs use and abuse remains an increasing challenge for worldwide authorities and, therefore, it is important to have accurate methods to detect them in seized samples, biological fluids and wastewaters. They are recently classified as the la
Externí odkaz:
https://doaj.org/article/5c14be53ca8f4541bd79e001e70d0f5c
Autor:
Robin Van Echelpoel, Jonas Schram, Marc Parrilla, Devin Daems, Amorn Slosse, Filip Van Durme, Karolien De Wael
Publikováno v:
Sensors & Diagnostics
Two electrochemical methodologies, i.e. flowchart and dual-sensor, were developed to aid law enforcement present at festivals to obtain a rapid indication of the presence of four illicit drugs in suspicious samples encountered.
Autor:
Nick Sleegers, Alexander L.N. van Nuijs, Karolien De Wael, Jorrit van den Berg, Jonas Schram, Filip Van Durme, Marc Parrilla
Publikováno v:
Drug testing and analysis
Drug Testing and Analysis
Drug Testing and Analysis
The emergence of new psychoactive drugs in the market demands rapid and accurate tools for the on‐site classification of illegal and legal compounds with similar structures. Herein, a novel method for the classification of synthetic cathinones (SC)
Publikováno v:
Analysis & Sensing
This work reports on a local induced near‐surface pH effect (pH S ), due to the presence of one analyte, leading to an influence or even suppression of redox signals of a second analyte present in solution. This concept and its impact on voltammetr
Autor:
Jonas Schram, Marc Parrilla, Amorn Slosse, Filip Van Durme, Jenny Åberg, Karin Björk, Stefan M. Bijvoets, Sharon Sap, Marcel W.J. Heerschop, Karolien De Wael
Publikováno v:
Microchemical journal
The increasing illicit production, distribution and abuse of amphetamine (AMP) poses a challenge for law enforcement worldwide. To effectively combat this issue, fast and portable tools for the on-site screening of suspicious samples are required. El
Autor:
Balwinder Kaur, Karolien De Wael, Mats de Jong, Filip Van Durme, Joy Eliaerts, Anca Florea, Jonas Schram, N Samyn
Publikováno v:
Analytical chemistry
Analytical Chemistry
Analytical Chemistry
Electrochemical strategies to selectively detect heroin in street samples without the use of complicated electrode modifications were developed for the first time. For this purpose, heroin, mixing agents (adulterants, cutting agent, and impurities),
Autor:
Karolien De Wael, Saranya Thiruvottriyur Shanmugam, Nick Sleegers, Anca Florea, Jonas Schram, Nele Samyn, Alexander L.N. van Nuijs
Publikováno v:
Electrochimica acta
Electrochemical techniques have evidenced to be highly suitable for the development of portable, rapid and accurate screening methods for the detection of illicit drugs in seized samples. However, the redox inactivity of primary amines, one of the mo
Autor:
Anca Florea, Jonas Schram, Andreea Cernat, Karolien De Wael, Ana-Maria Dragan, Cecilia Cristea, Florina Truta, Bogdan Feier
Publikováno v:
Proceedings of The 1st International Electronic Conference on Biosensors.
Autor:
Mihaela Tertiș, Andreea Cernat, Ana-Maria Dragan, Karolien De Wael, Anca Florea, Jonas Schram, Radu Oprean, Florina Truță, Bogdan Feier, Cecilia Cristea
Publikováno v:
Proceedings of The 1st International Electronic Conference on Biosensors.
Autor:
Alexander L.N. van Nuijs, Stefan M. Bijvoets, N Samyn, Karolien De Wael, Nick Sleegers, Marc Parrilla, Marcel W. J. Heerschop, Jonas Schram
Publikováno v:
Analytical Chemistry
Herein, a straightforward electrochemical approach for the determination of ketamine in street samples and seizures is presented by employing screen-printed electrodes (SPE). Square wave voltammetry (SWV) is used to study the electrochemical behavior