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Can I read On line photochemically induced excitation–emission-kinetic four-way data: Analytical application for the determination of folic acid and its two main metabolites in serum by U-PLS and N-PLS/residual trilinearization (RTL) calibration on EtoBox?
On line photochemically induced excitation–emission-kinetic four-way data: Analytical application for the determination of folic acid and its two main metabolites in serum by U-PLS and N-PLS/residual trilinearization (RTL) calibration by A. Jiménez Girón; I. Durán-Merás; A. Espinosa-Mansilla; A. Muñoz de la Peña; F. Cañada Cañada; A.C. Olivieri is a Chemistry article available to read on EtoBox.
What is On line photochemically induced excitation–emission-kinetic four-way data: Analytical application for the determination of folic acid and its two main metabolites in serum by U-PLS and N-PLS/residual trilinearization (RTL) calibration about?
Photochemically induced fluorescence Four-way data Unfolded partial least-squares/residual trilinearization N-Dimensional partial least-squares/residual trilinearization a b s t r a c t The determination of folic acid and its two main serum metabolites, 5-methyltetrahydrofolic acid and tetrahydrofolic acid, has been accomplished using four-way data modelled by the third-order multivariate calibration methods unfolded and N-dimensional partial leastsquares (U-PLS and N-PLS), in combination with the separate procedure known as residual trilinearization (RTL). The four-way data were acquired by following the photochemical reaction of these compounds by on line irradiation with a UV lamp. The excitation-emission matrices (EEMs) were recorded as a function of the irradiation time, using a fast scanning spectrofluorimeter. The method achieves selectivity from the different rates at which the corresponding photoproducts of the folic acid derivatives are formed and degraded. Several N-dimensional chemometric algorithms were used and the method was applied to the determination of these compounds in serum samples. The best algorithms to perform the multivariate calibration were U-PLS and N-P
Who reads On line photochemically induced excitation–emission-kinetic four-way data: Analytical application for the determination of folic acid and its two main metabolites in serum by U-PLS and N-PLS/residual trilinearization (RTL) calibration?
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- Author
- A. Jiménez Girón; I. Durán-Merás; A. Espinosa-Mansilla; A. Muñoz de la Peña; F. Cañada Cañada; A.C. Olivieri
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0003-2670)
- Published
- 2008
- Language
- EN
- Field
- Chemistry (Physical Sciences)