Zobrazeno 1 - 10
of 133
pro vyhledávání: '"João L.M. Santos"'
Publikováno v:
Food Control. 147:109619
Autor:
José X. Soares, André Filipe Rei Lopes, David S.M. Ribeiro, João L.M. Santos, Rafael C. Castro
Publikováno v:
The Analyst. 146:1004-1015
The present work focused on the development of a fluorescence resonance energy transfer (FRET)-based sensing platform for the monitoring of atenolol in pharmaceutical formulations. The implemented approach involved the assembly of d-penicillamine-cap
Autor:
Rafael C. Castro, Ricardo N.M.J. Páscoa, M. Lúcia M.F.S. Saraiva, Rui A.S. Lapa, José O. Fernandes, Sara C. Cunha, João L.M. Santos, David S.M. Ribeiro
Publikováno v:
Microchemical Journal. 185:108300
Autor:
David S.M. Ribeiro, João L.M. Santos, Rafael C. Castro, Ricardo N.M.J. Páscoa, José X. Soares, Sarmento J. Mazivila
Publikováno v:
Analytica Chimica Acta. 1114:29-41
This work focused on the combination of CdTe and AgInS2 quantum dots in a dual-emission nanoprobe for the simultaneous determination of folic acid and Fe(II) in pharmaceutical formulations. The surface chemistry of the used QDs was amended with suita
Autor:
Sarmento J. Mazivila, João L.M. Santos
Publikováno v:
TrAC Trends in Analytical Chemistry. 157:116698
Autor:
Ana M.O. Azevedo, Clara Sousa, S. Sofia M. Rodrigues, Mi Chen, Caitlan E. Ayala, Rocío L. Pérez, João L.M. Santos, Isiah M. Warner, M. Lúcia M.F.S. Saraiva
Publikováno v:
Dyes and Pigments. 207:110635
Nanoparticles derived from a group of uniform materials based on organic salts (nanoGUMBOS) are considered promising candidates for protein analysis due to their facile synthesis in aqueous media and high tunability. In this study, a phosphonium-eryt
Autor:
Ana M.O. Azevedo, Clara Sousa, Mi Chen, Caitlan E. Ayala, Rocío L. Pérez, João L.M. Santos, Isiah M. Warner, M. Lúcia M.F.S. Saraiva
Publikováno v:
Talanta. 240
GUMBOS (Group of Uniform Materials Based on Organic Salts) have recently emerged as interesting materials for protein analysis due to their unique features and high tunability. In this regard, four novel erythrosin B (EB)-based GUMBOS were synthesize
Publikováno v:
Analytica chimica acta. 1211
This tutorial demonstrates how to exploit the second-order advantage on excitation-emission fluorescence matrices (EEFMs) acquired from sensing platforms based on analyte-triggered semiconductor quantum dots (QDs) fluorescence modulation (quenching/e
Determination of glyphosate in soil samples using CdTe/CdS quantum dots in capillary electrophoresis
Publikováno v:
Microchemical Journal. 146:582-587
In this work, CdTe/CdS quantum dots were incorporated in a capillary electrophoresis system for the determination of glyphosate in soil samples. Fluorescence spectroscopic evaluation indicates there is an interaction between CdTe/CdS quantum dots and
Autor:
Sandra Rodrigues, Antonio Ruiz-Medina, J. Jiménez-López, David S.M. Ribeiro, João L.M. Santos, Pilar Ortega-Barrales
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 212:246-254
This work focused the implementation of FRET processes between CdTe quantum dots (QDs), acting as donors, and gold nanoparticles (AuNPs), behaving as acceptors, for the determination of several bioactive thiols such as captopril, glutathione, l-cyste