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Four-way kinetic-excitation-emission fluorescence data processed by multi-way algorithms. Determination of carbaryl and 1-naphthol in water samples in the presence of fluorescent interferents
(Elsevier Science, 2010-09)
Four-way data were obtained by recording the kinetic evolution of excitation-emission fluorescence matrices for samples containing the analytes carbaryl and 1-naphthol, two widely employed pesticides, in the concentration ...
The Successive Projections Algorithm for interval selection in trilinear partial least-squares with residual bilinearization
(Elsevier, 2013-12)
In this work the Successive Projection Algorithm is presented for intervals selection in N-PLS for three-way data modeling. The proposed algorithm combines noise-reduction properties of PLS with the possibility of discarding ...
Renormalization of generalized scalar Duffin-Kemmer-Petiau electrodynamics
(2018-05-15)
We establish the multiplicative renormalization procedure of generalized scalar Duffin-Kemmer-Petiau electrodynamics (GSDKP4) in the mass shell. We show an explicit calculation of the first radiative corrections (one-loop) ...
Pesticide residues in fruits and vegetables: High-order calibration based on spectrofluorimetric/pH data
(Elsevier Science, 2019-09)
The aim of the present work was to quantify simultaneously four pesticides, thiabendazole, fuberidazole, carbaryl and naphthyl acetic acid, in vegetables and fruits, measuring excitation–emission fluorescence matrices in ...
Simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization
(Hindawi, 2018)
Abstract: In the present work, a chemometric-assisted spectrofluorimetric method has been developed for the simultaneous determination
of natural fluorescent pesticides, carbaryl, carbendazim, and thiabendazole, in orange ...
Unfolded partial least squares/residual bilinearizationcombined with the Successive Projections Algorithmfor interval selection:enhanced excitation-emission fluorescence data modeling in presence of inner filter effect
(Springer Heidelberg, 2015-05)
The use of the successive projections algorithm (SPA) for elimination of uninformative variables in interval selection, and unfold partial least squares regression (U-PLS) modeling of excitation-emission matrices (EEM),when ...
Critical evaluation of third-order advantage with highly overlapped spectral signals. Determination of fluoroquinolones in fish-farming waters by fluorescence spectroscopy coupled to multivariate calibration
(2019)
In this work, the analytical performance of a third-order/four-way calibration is evaluated to model a highly overlapped system, where two spectral dimensions are extremely similar, and the results are then compared with ...
Four-way multivariate calibration using ultra-fast High-Performance Liquid Chromatography with Fluorescence Excitation-Emission detection. Application to the direct analysis of chlorophylls a and b and pheophytins a and b in olive oils
(Elsevier, 2013-06)
A four-way multivariate calibration approach, based on the combination of ultra-fast high-performance liquid chromatographic data and four-way algorithms, is described for the first time. To achieve this goal, several ...
Deltamethrin determination in natural water samples via photochemically-induced fluorescence coupled to third-order multivariate calibration
(Elsevier, 2020)
In this work, an analytical method for deltamethrin determination in natural waters based on photochemicallyinduced fluorescence coupled to third-order/four-way calibration was evaluated and compared with secondorder/three-way ...