Search results - 15 results

Multidimensional chromatographic fingerprinting combined with chemometrics for the identification of regulated plants in suspicious plant food supplements

for shifts in retention times using correlation optimized warping),  partial least squares – discriminant analysis was applied to construct classification models. Two approaches for modelling were ...

Spectroscopic approaches for conformity analysis of e-liquids

squares-discriminant analysis (PLS- DA) and soft independent modelling by class analogy (SIMCA), was used to classify samples according to the presence of nicotine and/or the targeted additives. The results allowed to ...

Multidimensional Chromatographic Fingerprinting Combined with Chemometrics for the Identification of Regulated Plants in Suspicious Plant Food Supplements.

Pressure Liquid Dietary Supplements Discriminant Analysis Least-Squares Analysis Plants Abstract: The popularity of plant food supplements has seen explosive growth all over the world, making them ...

An infrared spectroscopic approach to characterise white powders, easily applicable in the context of drug checking, drug prevention and on-site analysis

using spectroscopic techniques hyphenated with partial least squares (PLS) modelling. For identification purposes, it was observed that mid-infrared spectroscopy hyphenated with PLS-discriminant analysis allowed the ...

Clustering and diagnostic modelling of slimming aids based on chromatographic and mass spectrometric fingerprints

(2017) Keywords: Anti-Obesity Agents Chromatography, High Pressure Liquid Cluster Analysis Discriminant Analysis Least-Squares Analysis Mass Spectrometry Principal Component Analysis Abstract: Herbal ...

Chemometrics and the identification of counterfeit medicines-A review.

Techniques, Analytical Cluster Analysis Counterfeit Drugs Discriminant Analysis Drug Contamination Models, Theoretical Pattern Recognition, Automated Abstract: This review article provides readers with a number ...

Chromatographic impurity fingerprinting of genuine and counterfeit Cialis® as a means to compare the discriminating ability of PDA and MS detection.

(2016) Keywords: Chromatography, High Pressure Liquid Counterfeit Drugs Informatics Machine Learning Mass Spectrometry Principal Component Analysis Tadalafil Abstract: Public health is threatened worldwide ...

Testing of complementarity of PDA and MS detectors using chromatographic fingerprinting of genuine and counterfeit samples containing sildenafil citrate.

several genuines and generics are classified as counterfeits and vice versa. However, when analyzing the MS1_MS2 data in combination with partial least squares-discriminant analysis (PLS- DA), a perfect ...

A urinary protein biomarkers panel to discriminate progressive from non-progressive chronic kidney disease using a targeted proteomics method

Affect age Albuminuria ALL alternative an analysi analysis AS association at Belgian Biomarkers blood chronic clinic conference Control Creatinine Diagnosis Discriminant Analysis Discussion disease factors ...

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