Zobrazeno 1 - 10
of 100
pro vyhledávání: '"S. Corona-Avendaño"'
Autor:
E. Godoy-Colin, S. Corona-Avendaño, M. T. Ramírez-Silva, J. Aldana-Gonzalez, G. Vázquez-Huerta, D. Ángeles-Beltrán, M. Romero-Romo, M. Palomar-Pardavé
Publikováno v:
Journal of The Electrochemical Society. 169:092506
The mechanism and kinetics of the electrochemical nucleation and growth of gold nanoparticles, AuNPs, onto a glassy carbon electrode, GCE, from Au(III) dissolved in the reline deep eutectic solvent, DES, at 70 °C, were assessed, for the first time.
Akademický článek
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Autor:
Manuel Palomar-Pardavé, S. Corona-Avendaño, Ma. Teresa Ramírez-Silva, M. Romero-Romo, A. Zafra-Roldán, R. Montes-Sánchez
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 190:442-449
Using UV-Vis spectrophotometry a stability study of melatonin at different pH values was done in aqueous media, finding that at acidic pH melatonin is unstable when interacting with the environment, however it becomes stable protecting it from light
Akademický článek
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Autor:
Ma. Teresa Ramírez-Silva, S. Corona-Avendaño, Manuel Palomar-Pardavé, G. Vázquez-Huerta, M. Romero-Romo, S. I. Rivera-Hernández
Publikováno v:
Journal of The Electrochemical Society. 168:057514
A bare carbon paste electrode, BCPE, was used to determine simultaneously the foodstuff dyes Allura Red (AR) and Tartrazine (Trz) in aqueous media, achieving the following analytical parameters: for AR sensitivity of (0.126 ± 0.002) μA (mg l)−1 w
Autor:
Luis Humberto Mendoza Huizar, S. Corona-Avendaño, Giaan Arturo Álvarez-Romero, Daniel Peña Ramirez
Publikováno v:
ECS Transactions. 76:161-170
Autor:
Ma. Teresa Ramírez-Silva, Manuel Palomar-Pardavé, Luis E. Botello, J. Aldana-González, S. Corona-Avendaño, M.G. Montes de Oca, Mario Romero-Romo
Publikováno v:
Journal of Electroanalytical Chemistry. 791:1-7
This work showed that chemically-synthesized gold nanoparticles, AuNPs, supported onto a Si (111) wafer electrode, can be selectively modified with a copper adlayer through underpotential deposition (upd) conditions, using both: potentiodynamic or po
Autor:
Manuel Palomar-Pardavé, S. Corona-Avendaño, D.S. Guzmán-Hernández, Mario Romero-Romo, María Elena Páez-Hernández, M.T. Ramírez-Silva, M. M. Cid-Cerón
Publikováno v:
RSC Advances. 7:40401-40410
From spectrophotometric and electrochemical techniques, it was shown that cetyltrimethylammonium bromide, CTAB, hemimicelles, formed on the surfaces of a carbon paste electrode (CPE), selectively adsorbed diclofenac, DCF, molecules from a neutral aqu
Autor:
D.S. Guzmán-Hernández, Mario Romero-Romo, Jorge Juarez-Gomez, F. Sánchez-Pérez, S. Corona-Avendaño, M.T. Ramírez-Silva, Manuel Palomar-Pardavé
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 228
From UV–Vis spectrophotometric measurements the acidity constants of Rutin in aqueous media, at 25 °C and 0.1 M ionic strength, were determined as: pK1 = 4.392 ± 0.167, pK2 = 7.130 ± 0.050, pK3 = 8.661 ± 0.042 and pK4 = 12.354 ± 0.020 and the
Autor:
María Elena Páez-Hernández, Mario Romero-Romo, S. Corona-Avendaño, Selene Irisais Rivera-Hernández, Giaan Arturo Álvarez-Romero, Carlos Andrés Galán-Vidal
Publikováno v:
Instrumentation Science & Technology. 44:483-494
An optimized voltammetric method is reported for the quantification of ibuprofen in aqueous solution using a carbon paste–multiwalled carbon nanotube composite as the working electrode. The electrode preparation and the experimental conditions were