PARAFAC under non-negativity constraint is adapted to recover the underlying Beer-Lambert law of the excitation-emission fluorescence matrix measurements acquired from analyte-triggered semiconductor QDs photoluminescence modulation. When and why?

Autor: Mazivila SJ; The Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE) - the Portuguese Research Centre for Sustainable Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal. Electronic address: mazivilasarmentojunior@yahoo.com.br., Soares JX; The Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE) - the Portuguese Research Centre for Sustainable Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal., Lapa RAS; The Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE) - the Portuguese Research Centre for Sustainable Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal., Saraiva MLMFS; The Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE) - the Portuguese Research Centre for Sustainable Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal., Fernandes JO; The Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE) - the Portuguese Research Centre for Sustainable Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal., Cunha SC; The Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE) - the Portuguese Research Centre for Sustainable Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal., Santos JLM; The Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE) - the Portuguese Research Centre for Sustainable Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal. Electronic address: joaolms@ff.up.pt.

Publikováno v: Talanta [Talanta] 2025 Jan 01; Vol. 281, pp. 126896. Date of Electronic Publication: 2024 Sep 14.

Three-way calibration using PARAFAC and MCR-ALS with previous synchronization of second-order chromatographic data through a new functional alignment of pure vectors for the quantification in the presence of retention time shifts in peak position and shape.

Autor: Mazivila SJ; Research Centre in Chemistry (CIQ-UP), Faculty of Sciences, University of Porto, 4169-007, Porto, Portugal. Electronic address: mazivilasarmentojunior@yahoo.com.br., Lombardi JM; Department of Analytical Chemistry, Faculty of Biochemical and Pharmaceutical Sciences, National University of Rosario, Rosario Institute of Chemistry (IQUIR-CONICET), Suipacha 531, S2002LRK, Rosario, Argentina. Electronic address: jmlombardi@live.com., Páscoa RNMJ; LAQV, REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313, Porto, Portugal., Bortolato SA; Department of Analytical Chemistry, Faculty of Biochemical and Pharmaceutical Sciences, National University of Rosario, Rosario Institute of Chemistry (IQUIR-CONICET), Suipacha 531, S2002LRK, Rosario, Argentina., Leitão JMM; Research Centre in Chemistry (CIQ-UP), Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal., Esteves da Silva JCG; Research Centre in Chemistry (CIQ-UP), Faculty of Sciences, University of Porto, 4169-007, Porto, Portugal.

Publikováno v: Analytica chimica acta [Anal Chim Acta] 2021 Feb 15; Vol. 1146, pp. 98-108. Date of Electronic Publication: 2020 Dec 29.

Dual-emission CdTe/AgInS 2 photoluminescence probe coupled to neural network data processing for the simultaneous determination of folic acid and iron (II).

Autor: Castro RC; LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira Nº 228, 4050-313, Porto, Portugal., Ribeiro DSM; LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira Nº 228, 4050-313, Porto, Portugal. Electronic address: dsmribeiro@gmail.com., Páscoa RNMJ; LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira Nº 228, 4050-313, Porto, Portugal. Electronic address: rnpascoa@ff.up.pt., Soares JX; LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira Nº 228, 4050-313, Porto, Portugal., Mazivila SJ; LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira Nº 228, 4050-313, Porto, Portugal., Santos JLM; LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira Nº 228, 4050-313, Porto, Portugal. Electronic address: joaolms@ff.up.pt.

Publikováno v: Analytica chimica acta [Anal Chim Acta] 2020 Jun 01; Vol. 1114, pp. 29-41. Date of Electronic Publication: 2020 Apr 08.

At-line green synthesis monitoring of new pharmaceutical co-crystals lamivudine:theophylline polymorph I and II, quantification of polymorph I among its APIs using FT-IR spectroscopy and MCR-ALS.

Autor: Mazivila SJ; Research Centre in Chemistry (CIQ-UP), Faculty of Sciences, Universidade do Porto, 4169-007 Porto, Portugal; 25de Junho Secondary School of Mapinhane, Vilankulo-Inhambane, Mozambique. Electronic address: sarmento.mazivila@fc.up.pt., Castro RAE; Coimbra Chemistry Centre, Faculty of Pharmacy, Universidade de Coimbra, 3000-548 Coimbra, Portugal. Electronic address: rcastro@ff.uc.pt., Leitão JMM; Research Centre in Chemistry (CIQ-UP), Faculty of Pharmacy, Universidade de Coimbra, 3000-548 Coimbra, Portugal. Electronic address: jleitao@ff.uc.pt., Esteves da Silva JCG; Research Centre in Chemistry (CIQ-UP), Faculty of Sciences, Universidade do Porto, 4169-007 Porto, Portugal. Electronic address: jcsilva@fc.up.pt.

Publikováno v: Journal of pharmaceutical and biomedical analysis [J Pharm Biomed Anal] 2019 May 30; Vol. 169, pp. 235-244. Date of Electronic Publication: 2019 Mar 09.

Non-destructive fraud detection in rosehip oil by MIR spectroscopy and chemometrics.

Autor: Santana FB; Institute of Chemistry, Federal University of Uberlândia, Campus Santa Mônica, 38408-100 Uberlândia, Minas Gerais, Brazil. Electronic address: felipebachion@hotmail.com., Gontijo LC; Institute of Chemistry, Federal University of Uberlândia, Campus Santa Mônica, 38408-100 Uberlândia, Minas Gerais, Brazil; Goiano Federal Institute of Education, Science and Technology, Rodovia Geraldo Silva Nascimento, km 2,5, 75490-000 Urutaí, GO, Brazil. Electronic address: quilucas10@gmail.com.br., Mitsutake H; Institute of Chemistry, Federal University of Uberlândia, Campus Santa Mônica, 38408-100 Uberlândia, Minas Gerais, Brazil. Electronic address: herymitsutake@gmail.com., Mazivila SJ; Institute of Chemistry, Federal University of Uberlândia, Campus Santa Mônica, 38408-100 Uberlândia, Minas Gerais, Brazil; Josina Machel Secondary School of Belane, Vilankulo, Inhambane, Mozambique. Electronic address: mazivilasj@mestrado.ufu.br., Souza LM; Institute of Chemistry, Federal University of Uberlândia, Campus Santa Mônica, 38408-100 Uberlândia, Minas Gerais, Brazil. Electronic address: leticiams@mestrado.ufu.br., Borges Neto W; Institute of Chemistry, Federal University of Uberlândia, Campus Santa Mônica, 38408-100 Uberlândia, Minas Gerais, Brazil. Electronic address: wbn@iqufu.ufu.br.

Publikováno v: Food chemistry [Food Chem] 2016 Oct 15; Vol. 209, pp. 228-33. Date of Electronic Publication: 2016 Apr 18.