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OLIMPO GARCIA BELTRAN
OLIMPO GARCIA BELTRAN
Facultad de Ciencias Naturales y Matemáticas, Universidad de Ibagué, Carrera 22 Calle 67, Ibagué
Dirección de correo verificada de unibague.edu.co
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Coumarin-based fluorescent probes for dual recognition of copper (II) and iron (III) ions and their application in bio-imaging
O García-Beltrán, BK Cassels, C Pérez, N Mena, MT Núñez, NP Martínez, ...
Sensors 14 (1), 1358-1371, 2014
832014
Secondary Metabolite Profiling of Species of the Genus Usnea by UHPLC-ESI-OT-MS-MS
F Salgado, L Albornoz, C Cortéz, E Stashenko, K Urrea-Vallejo, E Nagles, ...
Molecules 23 (1), 54, 2017
552017
Molecular determinants for competitive inhibition of α4β2 nicotinic acetylcholine receptors
P Iturriaga-Vásquez, A Carbone, O García-Beltrán, PD Livingstone, ...
Molecular pharmacology 78 (3), 366-375, 2010
552010
Evaluation of the usefulness of a novel electrochemical sensor in detecting uric acid and dopamine in the presence of ascorbic acid using a screen-printed carbon electrode …
E Nagles, O García-Beltrán, JA Calderón
Electrochimica Acta 258, 512-523, 2017
512017
Design and synthesis of a new coumarin-based ‘turn-on’ fluorescent probe selective for Cu+2
O García-Beltrán, N Mena, LC Friedrich, JC Netto-Ferreira, V Vargas, ...
Tetrahedron Letters 53 (39), 5280-5283, 2012
492012
Theoretical study of the antioxidant activity of quercetin oxidation products
A Vásquez-Espinal, O Yañez, E Osorio, C Areche, O García-Beltrán, ...
Frontiers in Chemistry 7, 818, 2019
482019
The novel mitochondrial iron chelator 5-((methylamino) methyl)-8-hydroxyquinoline protects against mitochondrial-induced oxidative damage and neuronal death
NP Mena, O García-Beltrán, F Lourido, PJ Urrutia, R Mena, ...
Biochemical and Biophysical Research Communications 463 (4), 787-792, 2015
442015
Design, synthesis and cellular dynamics studies in membranes of a new coumarin-based “turn-off” fluorescent probe selective for Fe2+
O García-Beltrán, N Mena, O Yañez, J Caballero, V Vargas, MT Nuñez, ...
European journal of medicinal chemistry 67, 60-63, 2013
402013
Development of a novel electrochemical sensor based on cobalt (II) complex useful in the detection of dopamine in presence of ascorbic acid and uric acid
E Nagles, L Ibarra, JP Llanos, J Hurtado, O Garcia-Beltrán
Journal of Electroanalytical Chemistry 788, 38-43, 2017
352017
Development of a microcomposite with single-walled carbon nanotubes and Nd2O3 for determination of paracetamol in pharmaceutical dosage by adsorptive voltammetry
V Arancibia, J Penagos-Llanos, E Nagles, O García-Beltrán, JJ Hurtado
Journal of pharmaceutical analysis 9 (1), 62-69, 2019
342019
Neuroprotective Effect of a New 7,8-Dihydroxycoumarin-Based Fe2+/Cu2+ Chelator in Cell and Animal Models of Parkinson’s Disease
P Aguirre, O García-Beltrán, V Tapia, Y Muñoz, BK Cassels, MT Núñez
ACS chemical neuroscience 8 (1), 178-185, 2017
342017
New fluorescent turn-off probes for highly sensitive and selective detection of SO2 derivatives in a micellar media
M Gómez, EG Perez, V Arancibia, C Iribarren, C Bravo-Díaz, ...
Sensors and Actuators B: Chemical 238, 578-587, 2017
332017
The development of a fluorescence turn-on sensor for cysteine, glutathione and other biothiols. A kinetic study
O García-Beltrán, N Mena, EG Pérez, BK Cassels, MT Nuñez, F Werlinger, ...
Tetrahedron letters 52 (49), 6606-6609, 2011
332011
Metabolomic Analysis of Two Parmotrema Lichens: P. robustum (Degel.) Hale and P. andinum (Mull. Arg.) Hale Using UHPLC-ESI-OT-MS-MS
A Torres-Benítez, M Rivera-Montalvo, B Sepúlveda, ON Castro, E Nagles, ...
Molecules 22 (11), 1861, 2017
322017
Voltammetric determination of amaranth and tartrazine with a new double-stranded copper (I) helicate-single-walled carbon nanotube modified screen printed electrode
N Nuñez-Dallos, MA Macías, O García-Beltrán, JA Calderón, E Nagles, ...
Journal of Electroanalytical Chemistry 822, 95-104, 2018
312018
Host–guest interaction of coumarin-derivative dyes and cucurbit [7] uril: Leading to the formation of supramolecular ternary complexes with mercuric ions
ME Aliaga, L García-Río, M Pessêgo, R Montecinos, D Fuentealba, ...
New Journal of Chemistry 39 (4), 3084-3092, 2015
312015
Development of a Novel Electrochemical Sensor Based on a Carbon Paste Electrode Decorated with Nd2O3 for the Simultaneous Detection of Tartrazine and …
K Marquez‐Mariño, J Penagos‐Llanos, O García‐Beltrán, E Nagles, ...
Electroanalysis 30 (11), 2760-2767, 2018
262018
Development of a low-cost UV-Vis spectrophotometer and its application for the detection of mercuric ions assisted by chemosensors
D González-Morales, A Valencia, A Díaz-Nuñez, M Fuentes-Estrada, ...
Sensors 20 (3), 906, 2020
252020
A selective thioxothiazolidin-coumarin probe for Hg2+ based on its desulfurization reaction. Exploring its potential for live cell imaging
ME Aliaga, M Gazitua, A Rojas-Bolaños, M Fuentes-Estrada, D Durango, ...
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 224, 117372, 2020
252020
Simultaneous determination of tartrazine, sunset yellow and allura red in foods using a new cobalt-decorated carbon paste electrode
J Penagos-Llanos, O García-Beltrán, JA Calderón, JJ Hurtado-Murillo, ...
Journal of Electroanalytical Chemistry 852, 113517, 2019
252019
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