Kris De Braekeleer
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View article: Spectroscopy and Chemometrics for Conformity Analysis of e-Liquids: Illegal Additive Detection and Nicotine Characterization
Spectroscopy and Chemometrics for Conformity Analysis of e-Liquids: Illegal Additive Detection and Nicotine Characterization Open
Vaping electronic cigarettes (e-cigarettes) has become a popular alternative to smoking tobacco. When an e-cigarette is activated, a liquid is vaporized by heating, producing an aerosol that users inhale. While e-cigarettes are marketed as…
View article: Evaluation of an electrochemical sensor and comparison with spectroscopic approaches as used today in practice for harm reduction in a festival setting—A case study: Analysis of 3,4‐methylenedioxymethamphetamine samples
Evaluation of an electrochemical sensor and comparison with spectroscopic approaches as used today in practice for harm reduction in a festival setting—A case study: Analysis of 3,4‐methylenedioxymethamphetamine samples Open
More and more countries and organisations emphasise the value of harm reduction measures in the context of illicit drug use and abuse. One of these measures is drug checking, a preventive action that can represent a quick win by tailored c…
View article: Characterization of CBD oils, seized on the Belgian market, using infrared spectroscopy: Matrix identification and CBD determination, a proof of concept
Characterization of CBD oils, seized on the Belgian market, using infrared spectroscopy: Matrix identification and CBD determination, a proof of concept Open
The availability of cannabidiol (CBD) oil products has increased in recent years. No analytical controls are mandatory for these products leading to uncertainties about composition and quality. In this paper, a methodology was developed to…
View article: Evaluation of Multivariate Filters on Vibrational Spectroscopic Fingerprints for the PLS-DA and SIMCA Classification of Argan Oils from Four Moroccan Regions
Evaluation of Multivariate Filters on Vibrational Spectroscopic Fingerprints for the PLS-DA and SIMCA Classification of Argan Oils from Four Moroccan Regions Open
This study aimed to develop an analytical method to determine the geographical origin of Moroccan Argan oil through near-infrared (NIR) or mid-infrared (MIR) spectroscopic fingerprints. However, the classification may be problematic due to…
View article: Quality Control and Authentication of Argan Oils: Application of Advanced Analytical Techniques
Quality Control and Authentication of Argan Oils: Application of Advanced Analytical Techniques Open
In addition to the nutritional and therapeutic benefits, Argan oil is praised for its unique bio-ecological and botanic interest. It has been used for centuries to treat cardiovascular issues, diabetes, and skin infections, as well as for …
View article: Response to letter to the editor: “Comments on ‘discrepancies between validated GC‐FID and UHPLC‐DAD methods for the analysis of Δ‐9‐THC and CBD in dried hemp flowers’”
Response to letter to the editor: “Comments on ‘discrepancies between validated GC‐FID and UHPLC‐DAD methods for the analysis of Δ‐9‐THC and CBD in dried hemp flowers’” Open
SCOPUS: le.j
View article: Discrepancies between validated GC‐FID and UHPLC‐DAD methods for the analysis of Δ‐9‐THC and CBD in dried hemp flowers
Discrepancies between validated GC‐FID and UHPLC‐DAD methods for the analysis of Δ‐9‐THC and CBD in dried hemp flowers Open
Herbal products for smoking containing cannabidiol (CBD) are available as “low‐tetrahydrocannabinol cannabis products” in most EU countries. In Belgium, Δ9‐tetrahydrocannabinol (THC) content of these products must be less than 0.2% w/w, wh…
View article: Relative response factors and multiple regression models in liquid chromatography to quantify low-dosed components using alternative standards—proof of concept: total Δ9-THC content in cannabis flowers using CBD as reference
Relative response factors and multiple regression models in liquid chromatography to quantify low-dosed components using alternative standards—proof of concept: total Δ9-THC content in cannabis flowers using CBD as reference Open
View article: Benchtop NIR data standardization on handheld spectrometers to identify paracetamol tablets
Benchtop NIR data standardization on handheld spectrometers to identify paracetamol tablets Open
Near‐infrared spectroscopy (NIRS) allows innovative applications in terms of quality control, for example, in raw materials verification, in process analytical technology (PAT), and in discrimination between genuine and falsified medicines…
View article: Contents of Amoxicillin Drugs Dispensed in Goma, Democratic Republic of Congo
Contents of Amoxicillin Drugs Dispensed in Goma, Democratic Republic of Congo Open
We studied 15 specimens of amoxicillin and 9 specimens of amoxicillin-clavulanic acid collected from pharmacies in Goma, DR Congo. Their claimed origin was India (n=11), DR Congo (n=5), France (n=4), Kenya (n=1), China (n=1), Germany(n=1),…
View article: Author response for "Benchtop NIR data standardization on handheld spectrometers to identify paracetamol tablets"
Author response for "Benchtop NIR data standardization on handheld spectrometers to identify paracetamol tablets" Open
View article: Determination of the quality of metronidazole formulations by near-infrared spectrophotometric analysis
Determination of the quality of metronidazole formulations by near-infrared spectrophotometric analysis Open
View article: An infrared spectroscopic approach to characterise white powders, easily applicable in the context of drug checking, drug prevention and on‐site analysis
An infrared spectroscopic approach to characterise white powders, easily applicable in the context of drug checking, drug prevention and on‐site analysis Open
More and more events, such as the summer music festivals, are considering the possibilities for implementing on‐site testing of psychoactive drugs in the context of prevention and harm reduction. Although the on‐site identification is alre…
View article: Discrimination of legal and illegal <i>Cannabis spp.</i> according to European legislation using near infrared spectroscopy and chemometrics
Discrimination of legal and illegal <i>Cannabis spp.</i> according to European legislation using near infrared spectroscopy and chemometrics Open
Aerial parts containing cannabidiol can be purchased in a legal way but cannabis used as recreational drug is illegal in most European countries. Δ9‐tetrahydrocannabinol is one of the main cannabinoids responsible for the psychotropic effe…
View article: A new potential anti‐cancer beta‐carboline derivative decreases the expression levels of key proteins involved in glioma aggressiveness: A proteomic investigation
A new potential anti‐cancer beta‐carboline derivative decreases the expression levels of key proteins involved in glioma aggressiveness: A proteomic investigation Open
Gliomas remain highly fatal due to their high resistance to current therapies. Deregulation of protein synthesis contributes to cancer onset and progression and is a source of rising interest for new drugs. CM16, a harmine derivative with …
View article: Determination of Three Main Chlorogenic Acids in Water Extracts of Coffee Leaves by Liquid Chromatography Coupled to an Electrochemical Detector
Determination of Three Main Chlorogenic Acids in Water Extracts of Coffee Leaves by Liquid Chromatography Coupled to an Electrochemical Detector Open
Coffee is a beverage widely consumed in the world. The coffee species most commercialized worldwide are Arabica (Coffea arabica) and Robusta (Coffea canephora). Roasted coffee beans are the most used, but coffee leaves are also consumed as…