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Juan Arturo Squella Serrano

Académico

UNIVERSIDAD DE CHILE, FACULTAD DE CIENCIAS QUÍMICAS Y FARMACÉUTICAS

Santiago, Chile

Líneas de Investigación


BIOELECTROQUIMICA; ELECTROANALITICA; ELECTROQUIMICA ORGANICA;

Educación

  •  Química, UNIVERSIDAD DE CHILE. Chile, 1975
  •  Química, UNIVERSIDAD DE HUELVA. España, 2008

Experiencia Académica

  •   Profesor Titular Full Time

    UNIVERSIDAD DE CHILE

    Facultad de Ciencias Químicas y Farmacéuticas

    Santiago, Chile

    1975 - A la fecha

Experiencia Profesional

  •   Perito de Patentes Other

    Instituto Nacional de Propiedad Industrial (INAPI)

    Chile

    1991 - A la fecha

Formación de Capital Humano


Tesis Post-Grado Prof. Squella, J. A. (10 ultimos años)

Autor: Claudio Andrés Barrientos Bastias
Titulo: Síntesis, caracterización electroquímica y reactividad con radicales libres de cumarinas híbridas
Directores: Squella Serrano, Juan; Navarrete Encina Patricio
Año:2018
Autor: Urzúa Ahumada Rodrigo
Titulo: Estudios Electroquímicos en Nitrocompuestos Encapsulados en Nanotubos de carbono
Directores: Squella Serrano, Juan; Yañez Soto Claudia Andrea.
Año:2017

Autor: Jara Ulloa, Paola Andrea
Titulo: Síntesis y caracterización electroquímica de nuevos 4-nitroimidazoles sustituidos
Directores: Squella Serrano, Juan; Núñez-Vergara Luis.
Año:2009

Autor: Salgado Figueroa, Paola Johanna
Titulo: Estudio del comportamiento electroquímico de nitrofuranos en electrodos de nanoestructuras de carbono y desarrollo de metodologías para su determinación en muestras de origen animal
Directores: Squella Serrano, Juan; Alvarez Lueje Alejandro.
Año: 2013

Autor: Moscoso Cabello, Raúl Andrés
Titulo: Electrodos modificados con nanotubos de carbono y nitrocompuestos
Directores: Squella Serrano, Juan.
Año:2015

Autor: Gutiérrez Rodríguez, Camila Elizabeth
Titulo: Sistema electroquímico de flujo para la preconcentración y determinación de algunos nitro-compuestos de interés farmacéutico.
Directores: Squella Serrano, Juan;Richter Duk, Pablo.
Año: 2016

Autor: Pérez Cruz, Karina Angélica
Titulo: Síntesis, caracterización electroquímica y reactividad con anión superóxido de nuevas cumarinas híbridas.
Directores: Squella Serrano, Juan; Núñez Vergara, Luis; Navarrete Encina, Patricio
Año: 2016

Autor : Salazar Gonza?lez, Ricardo Andre?s.
Titulo: Preparacio?n, caracterizacio?n electroqui?mica y recatividad de nuevas 1,4-dihidropiridinas-4r-sustituidas / Ricardo Andre?s Salazar Gonza?lez ; Directores de tesis: Luis J. Nu?n?ez Vergara, J. Arturo Squella Serrano.
Editorial : Santiago, 2008.
Numero de pedido: T.D.B. S31p 2008



 

Article (123)

Electrocatalytic oxidation of NADH in a new nanostructured interface with an entrapped butylpyrene nitroaromatic derivative
MWCNT-modified Electrode for Voltammetric Determination of Allura Red and Brilliant Blue FCF in Isotonic Sport Drinks
The crystal structure of 4-(pyren-1-yl)butyl-3-nitrobenzoate, C27H21NO4
Electrochemical Characterization and Electrocatalytic Application of Gold Nanoparticles Synthesized with Different Stabilizing Agents
Experimental and theoretical insights into the electrooxidation pathway of azo-colorants on glassy carbon electrode
New voltammetric method useful for water insoluble or weakly soluble compounds: application to pKa determination of hydroxyl coumarin derivatives
Substituted Nitroquinolines Immobilized in Multiwalled Carbon Nanotubes: An Unconventional Voltammetric Experiment
A non-conventional way to perform voltammetry
Electrochemical determination of food colorants in soft drinks using MWCNT-modified GCEs
Synthesis and antioxidant study of new polyphenolic hybrid-coumarins
Electrocatalysis of NADH on 3,5-Dinitrobenzoic Acid Encapsulated on Multiwalled Carbon Nanotube-Modified Electrode
Electrochemistry and XPS of 2,7-dinitro-9-fluorenone immobilized on multi-walled carbon nanotubes
Voltammetric behavior of 3,5-dinitrobenzoic acid in solution on GCE and encapsulated on multiwalled carbon nanotube modified electrode
Carbon nanofiber screen printed electrode joined to a flow injection system for nimodipine sensing
1,3-Dioxolane: A green solvent for the preparation of carbon nanotube-modified electrodes
MULTIWALLED CARBON NANOTUBES MODIFIED ELECTRODES WITH ENCAPSULATED 1,4-DIHYDRO-PYRIDINE-4-NITROBENZENE SUBSTITUTED COMPOUNDS
MULTIWALLED CARBON NANOTUBES MODIFIED ELECTRODES WITH ENCAPSULATED 1,4-DIHYDROPYRIDINE-4-NITROBENZENE SUBSTITUTED COMPOUNDS.
Synthesis and electrochemical oxidation of hybrid compounds: dihydropyridine-fused coumarins
Vibrating screen printed electrode of gold nanoparticle-modified carbon nanotubes for the determination of arsenic(III)
DETERMINATION OF ARSENIC (III) BY DIFFERENTIAL PULSE POLAROGRAPHY IN THE WATERS OF CAMARONES AREA, CHILE
Electrochemical Analysis of Nitrofurans Based on Flow Injection Analysis on Pretreated Commercial Carbon Nanofiber Screen Printed Electrodes: Determination in Chicken Muscle Samples
Polypyrrole Molecularly Imprinted Modified Glassy Carbon Electrode for the Recognition of Gallic Acid
Sensitive Determination of Nitrofurantoin by Flow Injection Analysis Using Carbon Nanofiber Screen Printed Electrodes
Determination of Nifuroxazide by Flow Injection Linear Adsorptive Stripping Voltammetry on a Screen-Printed Carbon Nanofiber Modified Electrode
Dihydropyridine-fused and pyridine-fused coumarins: Reduction on a glassy carbon electrode in dimethylformamide
Scavenging activity of C4-hydroxyphenyl- and polyhydroxyphenyl-1,4-dihydropyridines toward free radicals
Voltammetric Determination of Nifedipine on Carbon Nanotubes-Modified Glassy Carbon Electrode: A new Application to Dissolution Test Studies
A simple derivatization of multiwalled carbon nanotubes with nitroaromatics in aqueous media: Modification with nitroso/hydroxylamine groups
Adsorptive Stripping Voltammetric Determination of Nitroimidazole Derivative on Multiwalled Carbon Nanotube Modified Electrodes: Influence of Size and Functionalization of Nanotubes
Chromenopyridines: Promising scaffolds for medicinal and biological chemistry.
Electrochemical Oxidation of 7-, 8-and 9-Hydroxy-3-ethoxycarbonyl-2,4-dimethyl coumarin[4,3-b]Pyridine Isomers at Glassy Carbon in Dimethylformamide
The effect of 5-substitution on the electrochemical behavior and antitubercular activity of PA-824
The use of digital simulation to improve the cyclic voltammetric determination of rate constants for homogeneous chemical reactions following charge transfers
Adsorption of ochratoxin A (OTA) anodic oxidation product on glassy carbon electrodes in highly acidic reaction media: Its thermodynamic and kinetics characterization
ELECTROCHEMICAL STUDY, ON MERCURY, OF A META-NITROARYLAMINE DERIVATIVE OF NOR-beta-LAPACHONE, AN ANTITUMOR AND TRYPANOCIDAL COMPOUND
On the One Pot Syntheses of Chromeno[4,3-b]pyridine-3-carboxylate and Chromeno[3,4-c]pyridine-3-carboxylate and Dihydropyridines
Study on the oxidation of C4-phenolic-1,4-dihydropyridines and its reactivity towards superoxide radical anion in dimethylsulfoxide
Voltammetric reduction of 4-nitroimidazole derivatives: Influence of the N-1 substitution in protic and aprotic media
Reactivity of C4-indolyl substituted 1,4-dihydropyridines toward superoxide anion (O-2((center dot)under-bar)) in dimethylsulfoxide
Substituent Effect of 4-Nitroimidazole Derivatives: Acidic Hydrogen as Modulator of the Nitro Radical Kinetic Stability
Electrochemical oxidation of C4-vanillin- and C4-isovanillin-1,4-dihydropyridines in aprotic medium: Reactivity towards free radicals
Oxidation of 4-(3-Indolyl)- and 4-(5-Indolyl)-1,4-dihydropyridines in Aprotic and Protic Media: Reactivity toward Alkylperoxyl Radicals
Voltammetric reduction of a 4-nitroimidazole derivative on a multiwalled carbon nanotubes modified glassy carbon electrode
Voltammetric reduction of finasteride at mercury electrode and its determination in tablets
Analyses by GC-MS and GC-MS-MS of the hantzsch synthesis products using hydroxy- and methoxy-aromatic aldehydes
Cyclic voltammetry and scanning electrochemical microscopy studies of the heterogeneous electron transfer reaction of some nitrosoaromatic compounds
Electrochemical reduction of 2-nitroimidazole in aqueous mixed medium
Electrolytic oxidation of C4-nitrofuryl 1,4-dihydropyridines in nonaqueous medium
Inclusion complexes of estrone and estradiol with beta-cyclodextrin: Voltammetric and HPLC studies
Micellar effects on the reduction of 4-nitroimidazole derivative: Detection and quantification of the nitroradical anion
Oxidation of C4-hydroxyphenyl 1,4-dihydropyridines in dimethylsulfoxide and its reactivity towards alkylperoxyl radicals in aqueous medium
SYNTHESIS OF SOME C-3,4,5-SUBSTITUTED 2,6-DIMETHYL-1,4-DIHYDROPYRIDINES (4-DHPS)
Voltammetric behaviour of bromhexine and its determination in pharmaceuticals
Electrochemical and ESR characterization of free radicals from C-4 nitroso phenyl 1,4-dihydropyridines in aprotic media
Electrochemical approach to the radical anion formation from 2 '-hydroxy chalcone derivatives
Electrochemical reduction of 2-nitroimidazole in aprotic medium: Influence of its dissociation equilibrium on the reduction mechanism
Hydrogen-bonded supramolecular structures of three related 4-(5-nitro-2-furyl)-1,4-dihydropyridines
Nitro radical anion formation from nitrofuryl substituted 1,4-dihydropyridine derivatives in mixed and non-aqueous media
Voltammetric redox behavior of nitrofuryl 1,4-dihydropyridine derivatives: Interdependence between two redox centers
ASSESSMENT OF THE HYDROLYTIC DEGRADATION OF LOVASTATIN BY HPLC
Electrochemical reduction of C-4 nitrosophenyl 1,4-dihydropyridines and their parent C-4 nitrophenyl derivatives in protic media
Electrochemical study of 4-substituted analogues of megazol
Electrogeneration of nitranion species from nitrofuryl substituted 1,4-dihydropyridine derivatives
Nitroradical anion formation from some iodo-substituted nitroimidazoles
Reaction of 5-aminosalicylic acid with peroxyl radicals: Protection and recovery by ascorbic acid and amino acids
Scanning electrochemical microscopy (SECM) study of superoxide generation and its reactivity with 1,4-dihydropyridines
Stability study of simvastatin under hydrolytic conditions assessed by liquid chromatography
Unexpected diastereotopic behaviour in the H-1 NMR spectrum of 1,4-dihydropyridine derivatives triggered by chiral and prochiral centres
Voltammetric behavior of a 4-nitroimidazole derivative - Nitro radical anion formation and stability
Voltammetric behavior of zaleplon and its differential pulse polarographic determination in capsules
1,4-Dihydropyridines: Reactivity of nitrosoaryl and nitroaryl derivatives with alkylperoxyl radicals and ABTS radical cation
Cyclic voltammetric determination of free radical species from nitroimidazopyran: a new antituberculosis agent
Electrogenerated nitro radical anions - A comparative kinetic study using scanning electrochemical microscopy
Oxidation of Hantzsch 1,4-dihydropyridines of pharmacological significance by electrogenerated superoxide
Reactivity of 1,4-dihydropyridines toward SIN-1-derived peroxynitrite
Spectroelectrochemical study on the electrooxidation in aqueous medium of some 1,4-dihydropyridines: Effects of substitution in 1-position and 4-position
Spectrophotometric and electrochemical study of the inclusion complex between beta-cyclodextrin and furnidipine
Structural effects on the reactivity 1,4-dihydropyridines with alkylperoxyl radicals and ABTS radical cation
Voltammetric oxidation of Hantzsch 1,4-dihydropyridines in protic media: substituent effect on positions 3,4,5 of the heterocyclic ring
A selective HPLC method for determination of lercanidipine in tablets
Cyclic voltammetric and scanning electrochemical microscopic study of thiolated beta-cyclodextrin adsorbed on a gold
Differential pulse polarographic and UV-vis spectrophotometric study of inclusion complexes formed by 1,4-dihydropyridine calcium antagonists, nifedipine and nicardipine with beta-cyclodextrin
Electrochemical and EPR characterization of 1,4-dihydropyridines. Reactivity towards alkyl radicals
Reactivity of 1,4-dihydropyridines toward alkyl, alkylperoxyl radicals, and ABTS radical cation
Relative reactivity of dihydropyridine derivatives to electrogenerated superoxide ion in DMSO solutions: A voltammetric approach
Synthesis of new 4-nitrosophenyl-1,4-dihydropyridines of pharmacological interest
Trypanosoma cruzi: effect and mode of action of nitroimidazole and nitrofuran derivatives
Voltammetric determination of the heterogeneous charge transfer rate constant for superoxide formation at a glassy carbon electrode in aprotic medium
Voltammetric oxidation of Hantzsch 1,4-dihydropyridines in protic and aprotic media: relevance of the substitution on N position
Voltammetric study of nitro radical anion generated from some nitrofuran compounds of pharmacological significance
Cyclic voltammetric behaviour of the O-2/O-2(center dot-) redox couple at a HMDE and its interaction with nisoldipine
Cyclic voltammetric study of the disproportionation reaction of the nitro radical anion from 4-nitroimidazole in protic media
Determination of nitrendipine with beta-cyclodextrin modified carbon paste electrode
Differential pulse voltammetric assay of lercanidipine in tablets
Electrochemical and spectroelectrochemical behavior of the main photodegradation product of nifedipine: The nitrosopyridine derivative
Free radical formation and characterization of nitroanisole isomer reduction in different media
Gas chromatography/mass spectrometric study of non-commercial C-4-substituted 1,4-dihydropyridines and their oxidized derivatives
Hydrolytic degradation of nitrendipine and nisoldipine
Nitro radical anions from megazol and related nitroimidazoles in aprotic media. A father-son type reaction triggered by an acidic proton
Voltammetric behavior of lercanidipine and its differential pulse polarographic determination in tablets
A selective voltammetric method to follow the hydrolytic degradation of nitrendipine and nisoldipine
An electrochemical evidence of free radicals formation from flutamide and its reactivity with endo/xenobiotics of pharmacological relevance
Cyclic voltammetric studies on nitro radical anion formation from megazol and some related nitroimidazole derivatives
Electrochemical characterization of ortho and meta-nitrotoluene derivatives in different electrolytic media. Free radical formation
Electrochemical reduction of nitroso compounds: voltammetric, UV-vis and EPR characterization of ortho- and meta-nitrosotoluene derivatives
Polarographic reduction of megazol and derivatives, and its polarographic, UV spectrophotometric, and HPLC determination
Simultaneous determination of melatonin and pyridoxine in tablets by gas chromatography-mass spectrometry
Substituent effects on the electrochemistry and photostability of model compounds of calcium channel antagonist drugs
Trypanosoma cruzi: Inhibition of parasite growth and respiration by oxazolo(thiazolo)pyridine derivatives and its relationship to redox potential and lipophilicity
Voltammetr1c determination of melatonin and pyridoxine (vitamin b6) in tablets
Voltammetric behavior and analytical applications of lomefloxacin, an antibacterial fluorquinolone
VOLTAMMETRIC DETERMINATION OF MELATONIN AND PYRIDOXINE (VITAMIN B6) IN TABLETS
Voltammetric determination of nitroimidazopyran drug candidate for the treatment of tuberculosis
Cytochrome C reductase immobilized on carbon paste electrode and its electrocatalytic effect on the reduction of cytochrome C
Effects of 3-chloro-phenyl-1,4-dihydropyridine derivatives on Trypanosome cruzi epimastigotes
Electrochemical characterization of tacrine, an antialzheimer's disease drug, and its determination in pharmaceuticals
Electrochemical study of nitrostilbene derivatives: nitro group as a probe of the push-pull effect
Electrochemical, UV-visible and EPR studies on nitrofurantoin: Nitro radical anion generation and its interaction with glutathione
Electroreduction of nitroaryl-1,4-dihydropyridines on a mercury pool electrode in mixed media - Analysis of the reaction products and their reactivity with biomolecules
NITRORADICAL ANION FORMATION FROM NITROFURANTOIN IN CARBON ELECTRODES
Nitrosobenzene: electrochemical, UV-visible and EPR spectroscopic studies on the nitrosobenzene free radical generation and its interaction with glutathione
Voltammetric behaviour of clonixin and its differential pulse polarographic determination in tablets
Voltammetric studies of aromatic nitro compounds: pH-dependence on decay of the nitro radical anion in mixed media

Proyecto (10)

Nitrocompound-encapsulated multi-walled carbon nanotube modified electrodes=> Electrodics, analytical and bioelectrochemical implications
Fabricación de sensores electroquímicos para la determinación de As (III) y As (V) en aguas contaminadas en la provincia de Arica y Parinacota.
Novel hybrid coumarins=> synthesis, electrochemical characterization and its reactivity with superoxide radical anion
Desarrollo de sensores electroquímicos basados en polímeros molecularmente impresos
NEW APPROACH TO THE ELECTROCHEMISTRY OF SOME NITROCOMPOUNDS OF BIOLOGICAL SIGNIFICANCE=> FROM MERCURY TO CARBON NANOTUBE ELECTRODES.
Electrochemical characterization of some new functionalized
ESTUDIO ELECTROQUIMICO DE 4-NITROIMIDAZOLES SUSTITUIDOS
ESTUDIO ELECTROQUIMICO DE 4-NITROIMIDAZOLES SUSTITUIDOS
ESTUDIO ELECTROQUIMICO DE 4-NITROIMIDAZOLES SUSTITUIDOS
ESTUDIO ELECTROQUIMICO DE NITROCOMPUESTOS DE INTERES BIOLOGICO=> MEGAZOL Y NITROHETEROCICLICOS RELACIONADOS

Review (2)

Chromenopyridines: Promising Scaffolds for Medicinal and Biological Chemistry
Recent developments in the electrochemistry of some nitro compounds of biological significance
123
Juan Squella

Académico

Química Orgánica y Físico Química

UNIVERSIDAD DE CHILE, FACULTAD DE CIENCIAS QUÍMICAS Y FARMACÉUTICAS

Santiago, Chile

33
SOLEDAD BOLLO

PROFESOR TITULAR

QUIMICA FARMACOLÓGICA Y TOXICOLÓGICA

UNIVERSIDAD DE CHILE

SANTIAGO, Chile

13
Claudia Yáñez

académico

Química Orgánica y Físico Química

Universidad de Chile

Santiago, Chile

10
Camilo López

prof. Asociado

Química Física

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

9
Ricardo Salazar

Profesor Asociado

Química de Los Materiales

UNIVERSIDAD DE SANTIAGO DE CHILE (USACH)

Santiago, Chile

5
Viviana Pardo

Profesional docente

Química Farmacológica y Toxicológica

Universidad de Chile

Santiago, Chile

5
claudio olea

Full Professor

Inorganica y Analitica

UNIVERSIDAD DE CHILE

Santiago, Chile

4
JORGE FUENTEALBA

Chairman

Physiology

UNIVERISDAD DE CONCEPCION

Concepcion, Chile

3
Paulina Sierra

Investigadora

Universidad Tecnológica Metropolitana

Santiago, Chile

3
Juan Maya

Full Professor

Biomedical Sciences Institute

UNIVERSIDAD DE CHILE

Santiago, Chile

2
Claudio Barrientos

Académico asistente

Facultad de Ciencias de la salud

Universidad Autónoma de Chile

Talca, Chile

2
Hernan Speisky

PROFESOR TITULAR

UNIVERSITY OF CHILE

SANTIAGO, Chile

2
Lorena Cornejo

Academica titular

Ingeniería Mecánica

Universidad de Tarapacá

Arica, Chile

2
Andrés Rodríguez

Asistente A

UNIVERSIDAD DEL BIO-BIO

Chillan, Chile

2
silvana moris

Investigadora

vicerrectoria de investigacion y postgrado

Universidad Católica del Maule

Talca, Chile

1
Sebastián Miranda

Profesor Asistente

Departamento de Ciencias Químicas

UNIVERSIDAD NACIONAL ANDRES BELLO

Santiago, Chile

1
Javier Morales

Académico - Profesor Asociado

Ciencias y Tecnología Farmacéuticas

UNIVERSIDAD DE CHILE

Santiago, Chile

1
Gerald Zapata

DEPARTAMENTO DE QUÍMICA INORGÁNICA Y ANALÍTICA FACULTAD DE CIENCIAS QUÍMICAS Y FARMACÉUTICAS UNIVERSIDAD DE CHILE

Santiago, Chile

1
Julio Urzúa

Investigador Postdoctoral

Facultad de Ingeniería

Universidad Autónoma de Chile

Santiago, Chile

1
Eduardo Soto

Profesor Titular

Química Orgánica y Fisicoquímica

UNIVERSIDAD DE CHILE

Santiago, Chile

1
Ramiro Araya

UNIVERSIDAD DE CHILE, FAC. CIENCIAS QUÍMICAS Y FARMACÉUTICAS, DPTO. QUÍMICA ORGÁNICA Y FISICOQUÍMICA

Santiago, Chile

1
Stephanie Brain

Investigadora Postdoctoral

Ingeniería Química, Biotecnología y Materiales

Universidad de Chile

SANTIAGO, Chile

1
Heriberto Fernández

Profesor Titular

Instituto de Microbiología Clíica

UNIVERSIDAD AUSTRAL DE CHILE. INSTITUTO DE MICROBIOLOGÍA CLÍNICA

Valdivia, Chile

1
Camila Gutierrez

PROFESOR

FUNDACION EDUCACIONAL PADRE MAURICIO VEILLETTE OMI COLEGIO INGLÉS SAN JOSÉ

Antofagasta, Chile

1
Rodrigo Torres

Postdoc

Departamento de farmacología

Universidad de Chile

Santiago, Chile

1
CAROLINA JULLIAN

Profesor Asociado

Quimica Organica y Fisicoquimica

UNIVERSIDAD DE CHILE

SANTIAGO, Chile

1
PATRICIA BARAHONA

Académica

Departamento de Biología y Química

UNIVERSIDAD CATÓLICA DEL MAULE

Talca, Chile

1
Marcelo Kogan

Academico

Quimica Farmacologica y Toxicologica

UNIVERSIDAD DE CHILE, FACULTAD DE CIENCIAS QUÍMICAS Y FARMACÉUTICAS

Santiago, Chile

1
Cristhian Berríos

Académico

Ciencias del Ambiente

UNIVERSIDAD DE SANTIAGO DE CHILE

Santiago, Chile

1
Julio De La Fuente

Profesor Asociado

Química Orgánica y Fisicoquímica

FAC. CS. QUÍMICAS Y FARMACÉUTICAS, UNIVERSIDAD DE CHILE

Santiago, Chile