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Zoekresultaten - 19 results
Multidimensional chromatographic fingerprinting combined with chemometrics for the identification of regulated plants in suspicious plant food supplements
explored: (a) binary modelling and (b) multiclass modelling. The correct classification rate % (ccr%) for cross validation, modelling and external test prediction were used to select the optimal model for ...
COMBINATION OF CHEMOMETRICS AND MULTIDIMENSIONAL FINGERPRINTING FOR DETECTION OF REGULATED PLANTS IN PLANT FOOD SUPPLEMENTS
square – discriminate analysis. A minimum of 86% correct classification rate for external test set validation (17 sample for binary dataset and 59 samples for multiclass dataset) was observed for all ...
Advances in the physicochemical characterization of nanoparticles in a regulatory context.
its resolution covering 1-100 nm, its possibility to identify constituent particles in aggregates and agglomerates and to measure key parameters such as their minimal external dimension on ...
Use of near infrared spectroscopy and chemometrics for the classification of different Cannabis spp. samples found in Belgium
of 92 % (for the benchtop) and 93 % (for the handheld device), meaning that 51 of the 56 samples and 52 of 56 samples in the external test set are correctly classified as recreational drug, industrial ...
Validation of single particle ICP-MS for routine sizing and quantification of the fraction of silver nanoparticles in E174 food addititves and confectionery products
Nanomaterials; Food additives; E174; Silver Abstract: Silver (Ag) is a food additive (E174) approved by the European Commission to be used for the external coating of confectionery, for decoration of chocolates, ...
Physicochemical Characterisation of the E171 Food Additive
CEN / TC 352 guidelines. The E171 samples were purchased on the Belgian market or were obtained from European producers. To measure the minimal external dimension of the constituent particles of E171, ...
Screening for nanoparticles in complex matrices within a regulatory framework: are we there yet?
Monitoring (ISEAC-40), ISEAC-40, Santiago de Compostela, Spain (2018) Keywords: Nanoparticles Abstract: Silver (Ag) is a food additive (E174) approved by the European Commission to be used for the external ...
Pediatric diabetes centres rated parental responsibility and family support as most important determinants of HbA1c using a 17-item questionnaire: a pilot study
different centers. In order to have a proper comparison, consideration must be taken for those external factors’ impact on HbA1c levels (i.e. risk-adjustment). Based on a pilot project, we wanted to identify ...
Evolution of the implementation of a quality management system in the Belgian laboratories for anatomic pathology
Additionally, participation in the national external quality assessment program organized by the Belgian Scientific Institute of Public Health (IPH) is also required by law. Aim In order to follow up the ...
Acceptance sampling theory applied to EQA sample homogeneity testing
https://www.sciensano.be/nl/biblio/acceptance-sampling-theory-applied-eqa-sample-homogeneity-testing
Meeting 2015, NA, Issue EQALM, European Organisation For External Quality Assurance Providers in Laboratory Medicine, NA (2015) Keywords: EQA meeting Sample sampling TESTING Health Topics: Effectiveness ...