PDI - Resultado de Búsqueda

Waldo Emerzon Quiroz Venegas

Profesor Adjunto

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

Desarrollo de métodos analíticos para el monitoreo de elementos traza en sistemas ambientales y biológicos. Aplicación de la filosofía de la ciencia realista a la educación científica

Química Analítica Ambiental, PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO. Chile, 2006

Profesor Adjunto Full Time

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

ciencias

Valparaíso, Chile

2006 - At present

Químico Investigador Full Time

SQM

Antofagasta, Chile

2005 - 2006
Profesor adjunto Full Time

Pontificia Universidad Catolica de Valparaiso

Valparaiso, Chile

2006 - At present

3 tesis de doctorado
1 tesis de magister
10 tesis de pre-grado


Remediation of Agricultural Soils with Long-Term Contamination of Arsenic and Copper in Two Chilean Mediterranean Areas Mondaca, Pedro; Valenzuela, Patricio; NICOLE ROLDÁN; Quiroz, Waldo; Valdenegro, Monika; CELIS-DIEZ, JUAN LUIS Article AGRONOMY (2022)
Sensitive fluorescent chemosensor for Hg(II) in aqueous solution using 4’-dimethylaminochalcone Mellado, Marco; Roldán, Nicole; Miranda, Rodrigo; Aguilar, Luis F.; Bravo, Manuel; Quiroz, Waldo Article JOURNAL OF FLUORESCENCE (2022)
Speciation analysis in chemistry Quiroz, Waldo Article ChemTexts (2021)
Antimony(III) induces fibroblast-like phenotype, profibrotic factors and reactive oxygen species in mouse renal cells RoldÃ¡n N.; Pizarro D.; Verdugo M.; Salinas-Parra N.; Quiroz W.; Reyes-Martinez C.; Figueroa S.; Quiroz C.; Gonzalez A.A. Article ISI SCOPUS ENVIRONMENTAL CHEMISTRY (2020)
Deltamethrin determination in natural water samples via photochemically-induced fluorescence coupled to third-order multivariate calibration Veneciano, Rodrigo, I; Sonnia Parra, V; Quiroz, Waldo; Fuentes, Edwar; Aguilar, Luis F.; Bravo, Manuel A. Article ISI MICROCHEMICAL JOURNAL (2020)
Ontological categorization on the concept of energy in science materials in chilean schools Guajardo, María Fernanda; Quiroz, Waldo Article ENSENANZA DE LAS CIENCIAS (2020)
Reactivity of antimony(V) and its effect on the pro-inflammatory response in the RAW 264.7 monocyte/macrophage cell line Canto N.; Mercado L.; Quiroz W. Article ISI SCOPUS ENVIRONMENTAL CHEMISTRY (2020)
Total mercury bias in soil analysis by CV-AFS: causes, consequences and a simple solution based on sulfhydryl cotton fiber as a clean-up step Perez, Pablo A.; Bravo, Manuel A.; Quiroz, Waldo Article ISI ANALYTICAL METHODS (2020)
Analytical methodology for the simultaneous determination of NMG-Sb(v), iSb(v), and iSb(iii) species by anion exchange liquid chromatography in Glucantime (R) and its biological application in Wistar rat urine Roldan, Nicole; Pizarro, Danitza; Frezard, Frederic; Bravo, Manuel; Verdugo, Marcelo; Suzuki, Noriyuki; Ogra, Yasumitsu; Quiroz, Waldo Article ISI SCOPUS JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY (2019)
Evaluation of three-way fluorescence data-based for simultaneous determination of polycyclic aromatic hydrocarbons in tea infusion samples at sub-ppb levels by second-order multivariate calibration Bravo M.A.; Gonzalez, L. A.; Valverde O. B.; Quiroz V. W.; Toledo-Neira C. Article ISI SCOPUS MICROCHEMICAL JOURNAL (2019)
HUMAN EXPOSURE ASSESSMENT TO MERCURY THROUGH HAIR ANALYSIS IN COASTAL VILLAGES OF THE VALPARAISO REGION (CHILE) Manuel A. Bravo; Sonnia Parra; Waldo Quiroz; Alexander Neaman Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2019)
EVALUATION OF MONOLITHIC COLUMN FOR INORGANIC MERCURY AND METHYLMERCURY DETERMINATION IN FISH SAMPLE ANALYSIS Manuel A. Bravo; Ornella Riquelme; Sonnia Parra; Jan Bergmann; Waldo Quiroz Article ISI SCIELO Journal of the Chilean Chemical Society (2018)
Critical evaluation of distillation procedure for the determination of methylmercury in soil samples Perez P.A., Hintelman H.; Quiroz W., Bravo M.A. Article Chemosphere (2017)
Determination of organotin compounds in sediment samples by dispersive liquid-liquid microextraction followed by gas chromatography - Pulsed flame photometric detection (DLLME-GC-PFPD) Bravo, Manuel A.; PARRA, SONNIA; Vargas, Cristian; Quiroz, Waldo Article ISI SCOPUS MICROCHEMICAL JOURNAL (2017)
EVALUATION OF MICROWAVE-ASSISTED EXTRACTION FOR ORGANOTIN DETERMINATION IN VEGETAL AND SOIL MATRICES BRAVO, MANUEL A; PARRA, SONNIA; VERDUGO C, MARCELO; P?REZ V, PABLO; Quiroz, Waldo Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2017)
Protein Malnutrition During Juvenile Age Increases Ileal and Colonic Permeability in Rats Eyzaguirre-Velásquez, Johana; Olavarría-Ramírez, Loreto; González-Arancibia, Camila; Díaz-Merino, Camila; Ariz, Raúl; López, Silvana; Quiroz, Waldo; Beltrán, Caroll J.; Bravo, Javier A.; Julio-Pieper, Marcela Article ISI SCOPUS JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION (2017)
Study of conformational changes and protein aggregation of bovine serum albumin in presence of Sb(III) and Sb(V) Verdugo, Marcelo; Ruiz Encinar, Jorge; Costa-Fern?ndez, Jos? Manuel; Menendez-Miranda, Mario; Bouzas-Ramos, Diego; Bravo, Manuel; Quiroz, Waldo; Chamani, Jamshidkhan Article ISI SCOPUS PLOS ONE (2017)
An ontological and epistemological analysis of the presentation of the first law of thermodynamics in school and university textbooks Poblete, Joaquín Castillo; Rojas, Rocío Ogaz; Merino, Cristian; Quiroz, Waldo Article ISI SCOPUS CHEMISTRY EDUCATION RESEARCH AND PRACTICE (2016)
Antimony speciation in soils, sediments and volcanic ashes by microwave extraction and HPLC-HG-AFS detection Quiroz W.; Astudillo F.; Bravo M.; Cereceda-Balic, F.; Vidal, V; Palomo-Marín M.R.; Rueda-Holgado F.; Pinilla-Gil, E. Article ISI SCOPUS MICROCHEMICAL JOURNAL (2016)
Evaluation of cloud point extraction coupled with fluorescence spectroscopy and multivariate curve resolution-alternating least squares for tributyltin determination in sediment samples Alarcón F; Bustamante, R; Quiroz W.; Aguilar LF; Bravo, MA Article ISI SCOPUS MICROCHEMICAL JOURNAL (2016)
IMPLEMENTATION OF AN ANALYTICAL METHOD FOR THE DETERMINATION OF INORGANIC ARSENIC SPECIES IN OCCUPATIONALLY EXPOSED HUMAN URINE SAMPLES AND ITS TOXIC EFFECTS ON EPITHELIAL CELLS OF RENAL COLLECTING TUBULE NICOLE ROLDÁN; NICOLÁS SALINAS-PARRA; alexis a gonzalez; FLAVIA CIFUENTES-ARANEDA; HELEN ARIAS; manuel bravo; Waldo Quiroz Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2016)
Mechanisms underlying the toxic effects of antimony species in human embryonic kidney cells (HEK-293) and their comparison with arsenic species Verdugo, Marcelo; Ogra, Yasumitsu; Quiroz, Waldo Article ISI SCOPUS JOURNAL OF TOXICOLOGICAL SCIENCES (2016)
Pentavalent antimony uptake pathway through erythrocyte membranes: molecular and atomic fluorescence approaches Barrera C.; López S.; Aguilar, L; Mercado L.; Bravo M.; Quiroz W. Article ISI SCOPUS ANALYTICAL AND BIOANALYTICAL CHEMISTRY (2016)
Realist ontology and natural processes: a semantic tool to analyze the presentation of the osmosis concept in science texts Spinelli, Michele; Morales, Cecilia; Merino, Cristian; Quiroz, Waldo Article ISI SCOPUS CHEMISTRY EDUCATION RESEARCH AND PRACTICE (2016)
Speciation analysis of organotin compounds (OTCs) by a simultaneous hydride generation-liquid/liquid extraction and GC-MS determination Yáñez J.; Riffo P.; Mansilla H.D.; Bravo M.; Quiroz W.; Santander P. Article ISI SCOPUS MICROCHEMICAL JOURNAL (2016)
A novel application of nylon membranes for tributyltin determination in complex environmental samples by fluorescence spectroscopy and multivariate calibration Bravo, MA; Escandar, GM; Olivieri, AC; Bardin, E; Aguilar LF; Quiroz W. Article ISI SCOPUS Chemometrics and Intelligent Laboratory Systems (2015)
CHEMOMETRIC OPTIMIZATION OF AN EXTRACTION PROCEDURE USING TARTARIC ACID FOR BUTYLTIN COMPOUNDS FROM SEDIMENT SAMPLES BY GC-PFPD Bravo, MA; Flores M.; Parra, S; Quiroz W.; Maxwell P.; Mester, Z Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2015)
Distribution and pollution assessment of trace elements in marine sediments in the Quintero Bay (Chile) Parra, S; Bravo, MA; Quiroz W.; Querol, X.; Paipa, C. Article ISI SCOPUS Marine Pollution Bulletin (2015)
Natural laws and ontological reflections: the textual and didactic implications of the presentation of Boyle's law in general chemistry Quiroz W.; Rubilar, CM Article ISI SCOPUS Chemistry Education Research and Practice (2015)
Sb(V) Reactivity with Human Blood Components: Redox Effects López S.; Aguilar, L; Mercado L.; Bravo M.; Quiroz W. Article ISI SCOPUS PLOS ONE (2015)
STABILITY OF ARSENIC DURING SOIL TREATMENT AND STORAGE Cristian Vargas; Waldo Quiroz; manuel bravo; Alexander Neaman Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2015)
Analysis of tomato matrix effect in pesticide residue quantification through QuEChERS and single quadrupole GC/MS Dominguez, AM; Placencia F.; Cereceda F.; Fadic, X.; Quiroz W. Article ISI SCIELO SCOPUS CHILEAN JOURNAL OF AGRICULTURAL RESEARCH (2014)
Distribution of trace elements in particle size fractions for contaminated soils by a copper smelting from different zones of the Puchuncavi Valley (Chile) Parra, S; Bravo, MA; Quiroz W.; Moreno, T.; Karanasiou, A; Font, O; Vidal, V; Cereceda F. Article ISI SCOPUS CHEMOSPHERE (2014)
Source apportionment for contaminated soils using multivariate statistical methods Parra, S; Bravo, MA; Quiroz W.; Moreno, T.; Karanasiou, A; Font, O; Vidal, V; Cereceda-Balic, F Article ISI SCOPUS CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS (2014)
Speciation analysis of organotin compounds in human urine by headspace solid-phase micro-extraction and gas chromatography with pulsed flame photometric detection Valenzuela A.; Lespes, G; Quiroz W.; Aguilar LF; Bravo, MA Article ISI SCOPUS TALANTA (2014)
Antimony speciation in road dust and urban particulate matter in Valparaiso, Chile: Analytical and environmental considerations Quiroz W.; Cortes, M; Astudillo F.; Bravo M.; Cereceda F.; Vidal, V; Lobos, MG Article ISI SCOPUS Microchemical Journal (2013)
Determination of tributyltin at parts-per-trillion levels in natural waters by second-order multivariate calibration and fluorescence spectroscopy Bravo M.; Aguilar LF; Quiroz W.; Olivieri, AC; Escandar, GM Article ISI SCOPUS Microchemical Journal (2013)
Sb(V) and Sb(III) distribution in human erythrocytes: Speciation methodology and the influence of temperature, time and anticoagulants Quiroz W.; Aguilar, L; Barria, M.; Veneciano, J; Martinez, D.; Bravo M.; Lobos, MG; Mercado L. Article ISI SCOPUS Talanta (2013)
The urgent need for figures of merit in order to evaluate the performance of teaching and learning methodologies: constructive criticism from a scientific metrological discipline Quiroz W.; Olivares, C; Merino, C; Bravo M. Article ISI SCOPUS Quality and Quantity (2013)
Critical evaluation of fiber coatings for organotin determination by using solid phase microextraction in headspace mode Bravo M.M.; Valenzuela S.A.; Fuentes P. E.; Quiroz V. W. Article ISI SCOPUS Journal of Chromatography A (2012)
Development of an Analytical Method for Antimony Speciation in Vegetables by HPLC-Hydride Generation-Atomic Fluorescence Spectrometry Olivares, D; Bravo M.; Feldmann J.; Raab, A; Neaman, A; Quiroz W. Article ISI SCOPUS Journal of AOAC International (2012)
Variation in Patterns of Metal Accumulation in Thallus Parts of Lessonia trabeculata (Laminariales; Phaeophyceae): Implications for Biomonitoring Sáez C.A.; Lobos M.G.; Macaya, E C; Oliva, D.; Quiroz W.; Brown M.T. Article ISI SCOPUS PLOS ONE (2012)
Antimony speciation in soils: Improving the detection limits using post-column pre-reduction hydride generation atomic fluorescence spectroscopy (HPLC/pre-reduction/HG-AFS) Quiroz W.; Olivares, D; Bravo M.; Feldmann J.; Raab, A Article ISI SCOPUS Talanta (2011)
Chemometric approaches for the zoning of Pinot Noir wines from the Casablanca valley, Chile Saavedra J.; Fuentealba, C; Yanez L.; Bravo M.; Quiroz W.; Lukacsy G.; Carot, JM Article ISI SCOPUS FOOD CHEMISTRY (2011)
Development of analytical method for determination of Sb(V), Sb(III) and TMSb(V) in occupationally exposed human urine samples by HPLC-HG-AFS Quiroz W.; Arias H.; Bravo M.; Pinto, M; Lobos, MG; Cortes, M Article ISI SCOPUS Microchemical Journal (2011)
Development of a simple desulfurization procedure for the determination of butyltins in complex sediment samples using gas chromatography-pulsed flame photometric detection Bravo M.; Valenzuela A.; Quiroz W.; Pinto, M; Flores M.; Pinochet, H. Article ISI SCOPUS Talanta (2010)
Butyltin compounds and their relation with organic matter in marine sediments from San Vicente Bay-Chile Pinochet, H.; Tessini C.; Bravo M.; Quiroz W.; De Gregori, I Article ISI SCOPUS ENVIRONMENTAL MONITORING AND ASSESSMENT (2009)
Heavy weight vehicle traffic and its relationship with antimony content in human blood Quiroz W.; De Gregori, I; Basilio, P; Bravo M.; Pinto, M; Lobos, MG Article ISI SCOPUS JOURNAL OF ENVIRONMENTAL MONITORING (2009)
STUDY OF RUGGEDNESS HS-SPME PROCEDURE FOR ORGANOTIN ANALYSIS BY GC-PFPD Bravo M.; Lespes, G; Quiroz W.; De Gregori, I; Pinochet, H.; Potin-Gautier, M Article ISI SCIELO SCOPUS Journal of the Chilean Chemical Society (2009)
Speciation analysis of antimony in marine biota by HPLC-(UV)-HG-AFS: Extraction procedures and stability of antimony species De Gregori, I; Quiroz W.; Pinochet, H.; Pannier, F; Potin-Gautier, M Article ISI SCOPUS TALANTA (2007)
Antimony speciation analysis in sediment reference materials using high-performance liquid chromatography coupled to hydride generation atomic fluorescence spectrometry Potin-Gautier, M; Pannier, F; Quiroz W.; Pinochet, H.; De Gregori, I Article ISI SCOPUS ANALYTICA CHIMICA ACTA (2005)
SIMULTANEOUS SPECIATION ANALYSIS OF SB(III), SB(V) AND (CH3)(3)SBCL(2)BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY-HYDRIDE GENERATION-ATOMIC FLUORESCENCE SPECTROMETRY DETECTION (HPLC-HG-AFS): APPLICATION TO ANTIMONY SPECIATION IN SEA WATER De Gregori, I; Quiroz W.; Pinochet, H.; Pannier, F; Potin-Gautier, M Article ISI SCOPUS JOURNAL OF CHROMATOGRAPHY A (2005)


Naturaleza de la Ciencia para todos Waldo Quiroz BookWhole (2015)


Fostering Competencies in Chemistry by Redesigning the Periodic Table Olivares, C; Merino, C; Quiroz W. ConferencePaper ISI PROCEEDINGS OF THE 29TH IPMA WORLD CONGRESS WC2015 (2014)
Gowin's V as an instrument for systematization of chemical knowledge Olivares, C; Merino, C; Quiroz W. ConferencePaper ISI PROCEEDINGS OF THE 29TH IPMA WORLD CONGRESS WC2015 (2014)


DEVELOPMENT AND VALIDATION OF ANALYTICAL METHODOLOGIES FOR MERCURY SPECIATION IN SEAFOOD AND HUMAN HAIR BY MOLECULAR FLUORESCENCE COUPLED TO SECOND ORDER MULTIVARIATE CALIBRATION manuel bravo; Waldo Quiroz Proyecto (2015)
DEVELOPMENT OF ANALYTICAL METHOD FOR DETERMINING TOXIC MECHANISMS OF SB AND ITS SPECIES IN NUCLEATED EUKARYOTIC CELLS Waldo Quiroz; Luis Aguilar; Luis Mercado Proyecto (2015)
DISTRIBUTION AND REACTIVITY OF SB (V) AND SB (III) IN HUMAN ERYTHROCYTES Waldo Quiroz; Luis Aguilar Proyecto (2012)
ANTIMONY IMPACT IN URBANE ZONES OF CHILE Waldo Quiroz Proyecto (2008)

Waldo Quiroz

Profesor Adjunto

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

Manuel Bravo

Profesor Titular

Instituto de quimica

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO, FACULTAD DE CIENCIAS, INSTITUTO DE QUÍMICA

Valparaiso, Chile

Manuel Bravo

Pontificia Universidad Catolica de Valparaiso

Valparaiso, Chile

LUIS AGUILAR

PROFESOR ADJUNTO

FACULTAD DE CIENCIAS

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

VALPARAISO, Chile

Maria Gabriela Lobos

Professor Titular

Institute of Chemistry

UNIVERSIDAD DE VALPARAÍSO

Valparaiso, Chile

Cristian Merino

Profesor Adjunto

Instituto de Química

Pontificia Universidad Católica de Valparaíso

Placilla, Chile

Francisco Cereceda

Profesor Titular

Química

Universidad Técnica Federico Santa María

Valparaíso, Chile

Víctor Vidal

Apoyo Académico

Departamento de Química

Universidad Técnica Federico Santa María

Valparaíso, Chile

Marcelo Verdugo

Profesor auxiliar

Química y Bioquímica

Universidad de Valparaíso

Valparaíso , Chile

Pablo Perez

Académico

Ciencias farmacéuticas

Universidad Católica del Norte

Antofagasta, Chile

Marcos Flores

academico

de Horticultura

Universidad de Talca

TALCA, Chile

Alexis Gonzalez

Adjunct Professor

Instituto de Química

Pontificia Universidad Católica de Valparaiso

Valparaíso, Chile

LUIS MERCADO

Profesor Titular

Instituto de Biología

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

Nicole Roldán

Analista

PONTIFICIA UNIVERSIDAD VALPARAÍSO

Valparaíso, Chile

Hector Mansilla

PROFESSOR

ORGANIC CHEMISTRY

FACULTAD DE CIENCIAS QUÍMICAS

Concepción, Chile

Claudio Sáez

Director General

centro HUB AMBIENTAL UPLA

UNIVERSIDAD DE PLAYA ANCHA DE CIENCIAS DE LA EDUCACION

Valparaíso, Chile

Fabián Placencia

Bioquímico

Facultad de Farmacia

Universidad de Valparaíso

Santiago, Chile

Marcela Julio

Profesor Adjunto

Instituto de Química

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAISO

Valparaiso, Chile

Caroll Beltrán

Profesor Asistente, Investigador Principal

Medicina

Universidad de Chile, Fac Medicina

SANTIAGO, Chile

Claudia Fuentealba

Associate Professor

Faculty of Agronomic and Food Sciences

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

Lina Yañez

Coordinador de asistencia técnica

CECTA

Universidad de Santiago de Chile

Santiago, Chile

Francis Alarcón

Profesional

Nacional y de Referencia en Salud Ambiental

Instituto de Salud Pública de Chile

Santiago, Chile

Ximena Fadic

Asistente Científico

Química

Universidad Técnica Federico Santa María

Valparaíso, Chile

Catherine Tessini

Académico

Química

Universidad Tecnica Federico Santa María

Valparaíso, Chile

Silvana López

Investigadora

Centro de Tecnologías Ambientales

Universidad Técnica Federico Santa María

Valparaíso, Chile

DORIS OLIVA

Directora Instituto

Instituto de Biología

UNIVERSIDAD DE VALPARAÍSO

Valparaíso, Chile

Erasmo Macaya

Profesor Asociado

Departamento de Oceanografía

UNIVERSIDAD DE CONCEPCIÓN

Concepción, Chile

Alexander Neaman

Profesor Titular

Departamento de Recursos Ambientales

Universidad de Tarapacá

Arica, Chile

Bárbara Valverde

Investigador

Ingeniería Mecánica

Pontificia Universidad Católica de Valparaíso

Quilpue, Chile

JAVIER BRAVO

PROFESOR ADJUNTO

INSTITUTO DE QUÍMICA

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAISO

VALPARAÍSO, Chile

NICOLE CANTO

DIRECTOR TÉCNICO

CLINICO

LABORATORIO BIOMIX

VALPARAISO, Chile

Waldo Emerzon Quiroz Venegas

Líneas de Investigación

Educación

Química Analítica Ambiental, PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO. Chile, 2006

Experiencia Académica

Profesor Adjunto Full Time

Experiencia Profesional

Químico Investigador Full Time

Profesor adjunto Full Time

Formación de Capital Humano

Article (52)

BookWhole (1)

ConferencePaper (2)

Proyecto (4)