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Zoekresultaten - 17 results
Evaluating MIR and NIR Spectroscopy Coupled with Multivariate Analysis for Detection and Quantification of Additives in Tobacco Products.
(2024) Keywords: Caffeine Cluster Analysis Discriminant Analysis Glycerol Least-Squares Analysis Menthol Multivariate Analysis Principal Component Analysis Spectroscopy, Near-Infrared Tobacco Products ...
FT-IR spectroscopy as a rapid method for Salmonella spp. typing
done from the means of the spectra represented by scatter plots and dendrograms using principal component analysis (PCA) or linear discriminant analysis (LDA). Additionally, the classification capacity ...
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 ...
The Monte Carlo validation framework for the discriminant partial least squares model extended with variable selection methods applied to authenticity studies of Viagra® based on chromatographic impurity profiles.
Counterfeit Drugs Discriminant Analysis Least-Squares Analysis Monte Carlo Method Sildenafil Citrate Abstract: The aim of this work was to develop a general framework for the validation of discriminant models ...