MANRIQUE-HOLGUIN, MANUELA; ALVEAR-DAZA, JOHN J.; MURILLO SIERRA, JUAN C.; IRVICELLI, KARINA G.; CANNEVA, ANTONELA; DONADELLI, JORGE A.; VALENCIA, HOOVER A.; MELIN, VICTORIA; CAMPOS, CRISTIAN H.; TORRES, CECILIA C.; PIZZIO, LUIS R.; CONTRERAS, DAVID; RENGIFO-HERRERA, JULIÁN A.

Visible Light Absorption Is Not Always Related to N-Doped TiO 2 and High Photocatalytic Activity in Materials Synthesized by the Sol–Gel Method Using Urea and Ammonia as Precursors

JOURNAL OF PHYSICAL CHEMISTRY C; Lugar: Washington; Año: 2024

ALVEAR-DAZA, JOHN J.; RENGIFO-HERRERA, JULIÁN A.; PIZZIO, LUIS RENÉ

Performance and optimization of diclofenac and ibuprofen adsorption onto activated carbon synthesized from sunflower seed shell (Helianthus annuus) in natural groundwater samples

ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY; Año: 2024

EDNA XIMENA AGUILERA; GABRIEL SATHICG; ILEANA DANIELA LICK; CASELLA, MÓNICA L; MARCELO C. MURGUIA; LUIS R. PIZZIO; GUSTAVO P. ROMANELLI

Solvent and catalysis-free microwave transesterification of β-ketoesters and its application in the production of long-chain ester monastrol derivatives

Sustainable Chemistry and Pharmacy; Año: 2024 vol. 37

DÍAZ, JUAN; PIZZIO, LUIS R.; PECCHI, GINA; CAMPOS, CRISTIAN H.; AZÓCAR, LAURA; BRIONES, RODRIGO; ROMERO, ROMINA; TRONCOSO, EDUARDO; MÉNDEZ-RIVAS, CAMILA; MELÍN, VICTORIA; MURILLO-SIERRA, JUAN C.; CONTRERAS, DAVID

Catalytic Selective Oxidation of β-O-4 Bond in Phenethoxybenzene as a Lignin Model Using (TBA)5[PMo10V2O40] Nanocatalyst: Optimization of Operational Conditions

MOLECULES; Año: 2023 vol. 28

ALVEAR-DAZA, JOHN J.; SANABRIA, JANETH; CASTAÑO?RODRIGUEZ, VICTOR A.; CORREA-BETANCOURT, ALEJANDRA; BINET, SILVIA; SÁNCHEZ, FRANCISCO H.; MUÑOZ-MEDINA, GUILLERMO A.; GUTIÉRREZ-ZAPATA, HÉCTOR M.; PIZZIO, LUIS R.; RENGIFO-HERRERA, JULIÁN A.

Goethite (α‐FeOOH) photocatalytic activity at natural concentrations by the addition of H 2 O 2 at neutral pH and the simultaneous presence of fluoride and bicarbonate

Applied Research; Lugar: Hoboken, New Jersey; Año: 2023

MANRIQUE-HOLGUÍN, M.; ALVEAR-DAZA, J.J.; RENGIFO-HERRERA, J.A.; PIZZIO, L.R.

g-C3N4/TiO2 NANOCOMPOSITES AND THEIR APPLICATION IN PHOTOCATALYTIC CO2 REDUCTION: A MINIREVIEW

LATIN AMERICAN APPLIED RESEARCH; Año: 2023 vol. 53 p. 71 - 76

ALVEAR-DAZA, JOHN J.; CÁNNEVA, ANTONELA; DONADELLI, JORGE A.; MANRIQUE-HOLGUÍN, MANUELA; RENGIFO-HERRERA, JULIÁN A.; PIZZIO, LUIS R.

Removal of diclofenac and ibuprofen on mesoporous activated carbon from agro-industrial wastes prepared by optimized synthesis employing a central composite design

Biomass Conversion and Biorefinery; Año: 2022 vol. 12

SOSA, ALEXIS A.; PALERMO, VALERIA; LANGER, PETER; LUQUE, RAFAEL; ROMANELLI, GUSTAVO P.; PIZZIO, LUIS R.

Tungstophosphoric acid/mesoporous silicas as suitable catalysts in quinoxaline synthesis

Molecular Catalysis; Año: 2022 vol. 517

OSORIO-VARGAS, PAULA; LICK, ILEANA D.; PIZZIO, LUIS R.; ALEJANDRO, SERGUEI; CASAS-LEDÓN, YANNAY; POBLETE, JORGE; CASELLA, MÓNICA L.; ARTEAGA-PÉREZ, LUIS E.

Using tungstophosphoric acid-modified CeO2, TiO2, and SiO2 catalysts to promote secondary reactions leading to aromatics during waste tire pyrolysis

Molecular Catalysis; Año: 2022 vol. 531

DÍAZ, JUAN; PIZZIO, LUIS R.; PECCHI, GINA; CAMPOS, CRISTIAN H.; AZÓCAR, LAURA; BRIONES, RODRIGO; ROMERO, ROMINA; HENRÍQUEZ, ADOLFO; GAIGNEAUX, ERIC M.; CONTRERAS, DAVID

Tetrabutyl Ammonium Salts of Keggin-Type Vanadium-Substituted Phosphomolybdates and Phosphotungstates for Selective Aerobic Catalytic Oxidation of Benzyl Alcohol

Catalysts; Año: 2022 vol. 12

OSORIO-VARGAS, PAULA; LICK, ILEANA D.; PIZZIO, LUIS R.; ALEJANDRO, SERGUEI; CASAS-LEDÓN, YANNAY; POBLETE, JORGE; CASELLA, MÓNICA L.; ARTEAGA-PÉREZ, LUIS E.

Using tungstophosphoric acid-modified CeO2, TiO2, and SiO2 catalysts to promote secondary reactions leading to aromatics during waste tire pyrolysis

Molecular Catalysis; Año: 2022 vol. 531

OSORIO-VARGAS, PAULA; PINOTTI, ADRIANA; CAMPOS, CRISTIAN H.; MACÍAS-QUIROGA, IVÁN F.; MANRIQUE-HOLGUÍN, MANUELA; PIZZIO, LUIS R.; RENGIFO-HERRERA, JULIÁN A.

Flexible polymeric films containing nanoparticles of visible-light absorbing TiO2 and their applications as photo-induced self-cleaning and antimicrobial surfaces

Novel Materials for Environmental Remediation Applications: Adsorption and Beyond; Año: 2022 p. 413 - 433

AGUILERA PALACIOS, EDNA X.; PALERMO, VALERIA; SATHICQ, ANGEL G.; PIZZIO, LUIS R.; ROMNELLI, GUSTAVO P.

A New Series of Tungstophosphoric Acid-Polymeric Matrix Catalysts: Application in the Green Synthesis of 2-Benzazepines and Analogous Rings

Catalysts; Año: 2022 vol. 12

ALVEAR-DAZA, JOHN J.; PAIS-OSPINA, DANIEL; MARÍN-SILVA, DIEGO A.; PINOTTI, ADRIANA; DAMONTE, LAURA; PIZZIO, LUIS R.; OSORIO-VARGAS, PAULA; RENGIFO-HERRERA, JULIÁN A.

Facile photocatalytic immobilization strategy for P-25 TiO2 nanoparticles on low density polyethylene films and their UV-A photo-induced super hydrophilicity and photocatalytic activity

CATALYSIS TODAY; Año: 2021 vol. 372 p. 11 - 19

ALVEAR-DAZA, JOHN J.; PASQUALE, GUSTAVO A.; RENGIFO-HERRERA, JULIÁN A.; ROMANELLI, GUSTAVO P.; PIZZIO, LUIS R.

Mesoporous activated carbon from sunflower shells modified with sulfonic acid groups as solid acid catalyst for itaconic acid esterification

CATALYSIS TODAY; Año: 2021

MORALES, DOLORES M.; FRENZEL, ROMINA A.; ROMANELLI, GUSTAVO P.; PIZZIO, LUIS R.

Synthesis and characterization of nanoparticulate silica with organized multimodal porous structure impregnated with 12-phosphotungstic acid for its use in heterogeneous catalysis

Molecular Catalysis; Año: 2020

SATHICQ, ÁNGEL G.; PIZZIO, LUIS R.; VÁZQUEZ, PATRICIA G.; TUNDO, PIETRO; ARICÒ, FABIO; ROMANELLI, GUSTAVO P.

Keggin heteropolyacid as catalyst for olefin epoxidation: A multiphase approach

Sustainable Chemistry and Pharmacy; Lugar: Amsterdam; Año: 2020 vol. 15

VÉLEZ-PEÑA, ESTEFANÍA; PÉREZ-OBANDO, JULIANA; PAIS-OSPINA, DANIEL; MARÍN-SILVA, DIEGO A.; PINOTTI, ADRIANA; CÁNNEVA, ANTONELA; DONADELLI, JORGE A.; DAMONTE, LAURA; PIZZIO, LUIS R.; OSORIO-VARGAS, PAULA; RENGIFO-HERRERA, JULIÁN A.

Self-cleaning and antimicrobial photo-induced properties under indoor lighting irradiation of chitosan films containing Melon/TiO2 composites

APPLIED SURFACE SCIENCE; Año: 2020 vol. 508

MORALES, M. DOLORES; INFANTES-MOLINA, ANTONIA; LÁZARO-MARTÍNEZ, J.M.; ROMANELLI, GUSTAVO P.; PIZZIO, LUIS R.; RODRÍGUEZ-CASTELLÓN, ENRIQUE

Heterogeneous acid catalysts prepared by immobilization of H3PW12O40 on silica through impregnation and inclusion, applied to the synthesis of 3H-1,5-benzodiazepines

Molecular Catalysis; Lugar: Amsterdam; Año: 2020 vol. 485

ALEXIS SOSA; GUSTAVO P. ROMANELLI; LUIS R PIZZIO

Nanoestructuras de sílice, con diámetro y distribución de mesoporos variable, modificadas con ácido tungstofosfórico como catalizadores en la síntesis de quinoxalinas

Revista colombiana de quimica; Lugar: Bogotá; Año: 2020 vol. 49 p. 37 - 43

JOHN J. ALVEAR DAZA; JULIÁN A. RENGIFO-HERRERA; LUIS R. PIZZIO

Síntesis de carbón activado mesoporoso a partir de residuos agroindustriales por activación química con H3PO4 y NaOH: estudio de optimización mediante un diseño experimental factorial DCC

V Jornadas en Ciencias Aplicadas "Dr. Jorge J. Ronco"; Lugar: La Plata; Año: 2019 vol. 2

ALEXIS SOSA; GUSTAVO P. ROMANELLI; LUIS R. PIZZIO

SINTESIS DE HETEROCICLOS MEDIANTE NANOPARTICULAS DE SILICE MESOPOROSA MODIFICADAS CON ACIDO TUNGSTOFOSFORICO

Anales de la Asociación Química Argentina; Lugar: Ciudad Auónoma de Buenos Aires; Año: 2019 vol. 106 p. 104 - 110

DOLORES MORALES; GUSTAVO P. ROMANELLI; LUIS R PIZZIO

ÁCIDO TUNGSTOFOSFÓRICO INMOVILIZADO EN SÍLICE MESOPOROSA ORDENADA PARA SU APLICACIÓN EN CATÁLISIS HETEROGÉNEA

Anales de la Asociación Química Argentina; Lugar: Ciudad Auónoma de Buenos Aires; Año: 2019 vol. 106 p. 40 - 46

ESCOBAR, ANGÉLICA M.; BLANCO, MIRTA N.; MARTÍNEZ, JOSÉ J.; CUBILLOS, JAIRO A.; ROMANELLI, GUSTAVO P.; PIZZIO, LUIS R.

Biomass Derivative Valorization Using Nano Core-Shell Magnetic Materials Based on Keggin-Heteropolyacids: Levulinic Acid Esterification Kinetic Study with N-Butanol

JOURNAL OF NANOMATERIALS; Lugar: New York; Año: 2019 vol. 2019 p. 1 - 14

PALERMO, VALERIA; SOSA, ALEXIS A.; RIVERA, TOA S.; PIZZIO, LUIS R.; ROMANELLI, GUSTAVO P.

Unexpected Result in the Catalytic Solvent-free Multicomponent Synthesis of 2-Amino-3-cyano-4 H -chromene

ORGANIC PREPARATIONS AND PROCEDURES INTERNATIONAL; Año: 2019 p. 1 - 13

PÉREZ-OBANDO, JULIANA; MARÍN-SILVA, DIEGO A.; PINOTTI, ADRIANA N.; PIZZIO, LUIS R.; OSORIO-VARGAS, PAULA; RENGIFO-HERRERA, JULIÁN A.

Degradation study of malachite green on chitosan films containing heterojunctions of melon/TiO2 absorbing visible-light in solid-gas interfaces

APPLIED CATALYSIS B-ENVIRONMENTAL; Año: 2019 vol. 244 p. 773 - 785

BERTOLINI, GUILLERMO R.; PIZZIO, LUIS R.; KUBACKA, ANNA; MUÑOZ-BATISTA, MARIO J.; FERNÁNDEZ-GARCÍA, MARCOS

Composite H3PW12O40–TiO2 catalysts for toluene selective photo-oxidation

APPLIED CATALYSIS B-ENVIRONMENTAL; Año: 2018 vol. 225 p. 100 - 109

RENGIFO-HERRERA, JULIÁN A.; MARÍN-SILVA, DIEGO A.; MENDOZA-PORTILLO, EDITA; PINOTTI, ADRIANA N.; PIZZIO, LUIS R.

Chitosan films containing TiO2 nanoparticles modified with tungstophosphoric acid for the photobleaching of malachite green in solid-gas interfaces upon different wavelengths

Molecular Catalysis; Año: 2018 vol. 448 p. 1 - 9

SERRA-CLUSELLAS, ANNA; DE ANGELIS, LAURA; LIN, CHUNG-HO; VO, PHUC; BAYATI, MOHAMED; SUMNER, LLOYD; LEI, ZHENTIAN; AMARAL, NATHALIA B.; BERTINI, LILIANA M.; MAZZA, JOSE; PIZZIO, LUIS R.; STRIPEIKIS, JORGE D.; RENGIFO-HERRERA, JULIÁN A.; FIDALGO DE CORTALEZZI, MARÍA M.

Abatement of 2,4-D by H 2 O 2 solar photolysis and solar photo-Fenton-like process with minute Fe(III) concentrations

WATER RESEARCH; Lugar: Amsterdam; Año: 2018 vol. 144 p. 572 - 580

ANGÉLICA M. ESCOBAR CAICEDO; MIRTA N. BLANCO; JOSÉ J. MARTÍNEZ ZAMBRANO; 2 ; JAIRO A. CUBILLOS LOBO; LUIS R PIZZIO; GUSTAVO P. ROMANELLI

NUEVOS MATERIALES MAGNÉTICOS BASADOS EN NUEVOS MATERIALES MAGNÉTICOS BASADOS EN HETEROPOLIÁCIDOS TIPO KEGGIN Y SU APLICACIÓN EN REACCIONES DE ESTERIFICACIÓN DEL ÁCIDO LEVULÍNICO PARA VALORIZACIÓN DE RESIDUOS DE BIOMASA

Investigación Joven; Lugar: La Plata; Año: 2018 vol. 4

GORSD, MARINA N.; SOSA, ALEXIS A.; FRENZEL, ROMINA A.; PIZZIO, LUIS R.

Synthesis and characterization of tungstophosphoric acid-modified mesoporous sponge-like TUD-1 materials

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY; Lugar: Berlin; Año: 2018 vol. 87 p. 204 - 215

FRENZEL, ROMINA A.; ROMANELLI, GUSTAVO P.; PIZZIO, LUIS R.

Novel catalyst based on mono- and di-vanadium substituted Keggin polyoxometalate incorporated in poly(acrylic acid-co-acrylamide) polymer for the oxidation of sulfides

Molecular Catalysis; Lugar: Amsterdam; Año: 2018 vol. 457 p. 8 - 16

CANDELARIA LEAL MARCHENA; LAURA LERICI; CARLA FERMANELLI; CLARA SAUX; LILIANA B. PIERELLA; LUIS R PIZZIO

Aplicación de FotocatalizadoresObtenidos a partir de ÁcidoTungstofosfórico sobre NH 4 ZSM5 en Remediación de Aguas Contaminadas

Tecnología y ciencia; Año: 2018 vol. 30 p. 208 - 216

SOSA, ALEXIS A.; GORSD, MARINA N.; BLANCO, MIRTA N.; PIZZIO, LUIS R.

Synthesis and characterization of tungstophosphoric acid-modified mesoporous silica nanoparticles with tuneable diameter and pore size distribution

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY; Año: 2017 vol. 83 p. 355 - 364

SILVINA GÓMEZ; LAURA LERICI; CLARA SAUX; ANA LAURA PEREZ; CARLOS D BRONDINO; LILIANA B. PIERELLA; LUIS RENÉ PIZZIO

Fe/ZSM-11 as a novel and efficient photocatalyst to degrade Dichlorvos on water solutions

APPLIED CATALYSIS B-ENVIRONMENTAL; Lugar: Amsterdam; Año: 2017 vol. 202 p. 580 - 586

LILIAN OSIGLIO; GABRIEL SATHICG; LUIS R. PIZZIO; GUSTAVO P. ROMANELLI; MIRTA N. BLANCO

Preparation of acetates catalyzed by boric acid and/or tungstophosphoric acid-modified zirconia obtained employing polyethylene glycols as pore-forming agents

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL; Lugar: Amsterdam; Año: 2017 vol. 426 p. 8 - 96

MARÍA DE LOS ÁNGELES ORELLANA; LILIAN OSIGLIO; PABLO M ARNAL; LUIS R. PIZZIO,

Titania hollow spheres modified with tungstophosphoric acid with enhanced visible light absorption for the photodegradation of 4-chlorophenol

Photochemical and Photobiological Sciences; Lugar: CAMBRIDGE; Año: 2017

MARINA N. GORSD,; MIRTA N. BLANCO; LUIS R. PIZZIO

Polystyrene/silica microspheres with core/shell structure as support of tungstophosphoric acid

MATERIALS CHEMISTRY AND PHYSICS; Lugar: Amsterdam; Año: 2016 vol. 171 p. 281 - 289

CLARA SAUX; CANDELARIA LEAL MARCHENA; LUIS R. PIZZIO; LILIANA B. PIERELLA

Dodecatungstocobaltate supported over ZSM-5 zeolite as novel solid catalyst in selective sulfide oxidation

JOURNAL OF POROUS MATERIALS; Lugar: Berlin; Año: 2016 p. 947 - 956

JULIAN ANDRES RENGIFO-HERRERA; MIRTA N. BLANCO; M.M. FIDALGO DE CORTALEZZI; LUIS R. PIZZIO

Visible-light-absorbing Evonik P-25 nanoparticles modified with tungstophosphoric acid and their photocatalytic activity on different wavelengths

MATERIALS RESEARCH BULLETIN; Lugar: Amsterdam; Año: 2016 vol. 83 p. 360 - 368

CLARA SAUX; CANDELARIA LEAL MARCHENA; LUIS R. PIZZIO; LILIANA B. PIERELLA

Dodecatungstocobaltate supported over ZSM-5 zeolite as novel solid catalyst in selective sulfide oxidation

JOURNAL OF POROUS MATERIALS; Lugar: Berlin; Año: 2016 p. 1 - 10

CANDELARIA LEAL MARCHENA; LAURA LERICI; SOLEDAD RENCINI; LILIANA B. PIERELLA; LUIS R. PIZZIO

Synthesis and characterization of a novel tungstosilicic acid immobilized on zeolites catalyst for the photodegradation of methyl orange

APPLIED CATALYSIS B-ENVIRONMENTAL; Lugar: Amsterdam; Año: 2016 vol. 188 p. 23 - 30

JULIÁN A. RENGIFO-HERRERA; MIRTA N. BLANCO; JULIEN WIST; PIERRE FLORIAN; LUIS R. PIZZIO

TiO2 modified with polyoxotungstates should induce visible-light absorption and high photocatalytic activity through the formation of surface complexes

APPLIED CATALYSIS B-ENVIRONMENTAL; Lugar: Amsterdam; Año: 2016 vol. 189 p. 99 - 109

ANGELICA ESCOBAR; JULIAN ANDRES RENGIFO-HERRERA; PIERRE FLORIAN; MIRTA BLANCO; GUSTAVO P. ROMANELLI; LUIS R. PIZZIO

Valorization of biomass derivatives: Keggin heteropolyacids supported on titania as catalysts in the suitable synthesis of 2-phenoxyethyl-2-furoate.

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL; Lugar: Amsterdam; Año: 2016 vol. 425 p. 266 - 274

ROMINA FRENZEL; DOLORES MORALES; GUSTAVO P. ROMANELLI; GABRIEL SATHICG; MIRTA N. BLANCO; LUIS R. PIZZIO

Synthesis, characterization and catalytic evaluation of H3PW12O40 included in acrylic acid/acrylamide polymer for the selective oxidation of sulfides

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL; Lugar: Amsterdam; Año: 2016 vol. 420 p. 124 - 133

MARINA N. GORSD,; GABRIEL SATHICG; GUSTAVO P. ROMANELLI; MIRTA N. BLANCO; LUIS R. PIZZIO

Tungstophosphoric acid supported on core-shell polystyrene-silica microspheres or hollow silica spheres catalyzed trisubstituted imidazole synthesis by multicomponent reaction

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL; Lugar: Amsterdam; Año: 2016 vol. 420 p. 294 - 302

MARINA GORSD; LUIS R. PIZZIO; MIRTA N. BLANCO

Synthesis and Characterization of Hollow Silica Spheres

Procedia Materials Science; Lugar: Amsterdam; Año: 2015 vol. 8 p. 567 - 576

DANIEL BENNARDI; MIRTA N. BLANCO.,; LUIS RENÉ PIZZIO; JUAN CARLOS AUTINO; GUSTAVO P. ROMANELLI

An Efficient and Green Catalytic Method for Friedländer Quinoline Synthesis Using Tungstophosphoric Acid Included in a Polymeric Matrix

Current Catalysis; Lugar: Oak Park; Año: 2015 vol. 4 p. 65 - 72

ROMINA FRENZEL; GABRIEL SATHICG; MIRTA BLANCO,; GUSTAVO P. ROMANELLI; LUIS RENÉ PIZZIO

Carbon-supported metal-modified lacunary tungstosilicic

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL; Lugar: Amsterdam; Año: 2015 vol. 403 p. 27 - 36

CANDELARIA LEAL MARCHENA; SILVINA GÓMEZ; CLARA SAUX; LILIANA B. PIERELLA; LUIS R. PIZZIO

Tungstophosphoric acid heterogenized onto NH4NH4 ZSM5 as an efficient and recyclable catalyst for the photocatalytic degradation of dyes

QUíMICA NOVA; Lugar: San Pablo; Año: 2015 vol. 48 p. 518 - 525

SILVINA GÓMEZ; CANDELARIA LEAL MARCHENA; MARÍA RENZINI; LUIS R. PIZZIO; LILIANA B. PIERELLA

In situ generated TiO2 over zeolitic supports as reusable photocatalysts for the degradation of dichlorvos

APPLIED CATALYSIS B-ENVIRONMENTAL; Lugar: Amsterdam; Año: 2015 vol. 162 p. 167 - 173

ROMINA FRENZEL; GUSTAVO P. ROMANELLI; MIRTA N. BLANCO; LUIS R. PIZZIO

Transition metal-modified polyoxometalates supported on carbon as catalyst in 2-(methylthio)-benzothiazole sulfoxidation

Journal of Chemical Sciences; Lugar: Bangalores; Año: 2015

ANGELICA ESCOBAR; GABRIEL SATHICG; MIRTA BLANCO,; LUIS PIZZIO; GUSTAVO ROMANELLI

Biomass valorization derivatives: Cleanesterification of 2-furoic acid usingtungstophosphoric acid/zirconia composites asrecyclable catalyst

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION; Año: 2015 vol. 98 p. 176 - 186

ROMINA FRENZEL; GUSTAVO P. ROMANELLI; MIRTA N. BLANCO; LUIS R. PIZZIO

Transition metal-modified polyoxometalates supported on carbon as catalyst in 2-

journal of chemical sciences; Lugar: Bangalore; Año: 2015 vol. 127 p. 123 - 132

SILVINA GÓMEZ; CANDELARIA LEAL MARCHENA; LUIS R. PIZZIO; LILIANA B. PIERELLA

Degradación Fotocatalítica de Diclorvos mediante el uso de Fotocatalizadores del Tipo TiO2/zeolitas (ZSM-5, Beta, Y)

Tecnología y Ciencia; Lugar: Buenos Aires; Año: 2014 p. 7 - 10

JULIÁN A. RENGIFO-HERRERA; ROMINA FRENZEL; MIRTA N. BLANCO; LUIS R. PIZZIO

Visible-light-absorbing mesoporous TiO2 modified with tungstosilicicacid as photocatalyst in the photodegradation of 4-chloropheno

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY; Lugar: Amsterdam; Año: 2014 vol. 289 p. 22 - 30

JULIAN ANDRES RENGIFO-HERRERA; MIRTA N. BLANCO; LUIS R. PIZZIO

Visible light absorption of TiO2 materials impregnated with tungstophosphoric acid ethanol?aqueous solution at different pH values. Evidence about the formation of a surface complex between Keggin anion and TiO2 surfaces

MATERIALS RESEARCH BULLETIN; Lugar: Amsterdam; Año: 2014 vol. 49 p. 618 - 624

CANDELARIA LEAL MARCHENA; SILVINA GÓMEZ; LILIANA B. PIERELLA; LUIS R. PIZZIO

Degradación Fotocatalítica de Naranja de Metilo mediante Ácido Tunstofosfórico impregnado en Zeolitas NH4ZSM5

Tecnología y Ciencia; Lugar: Buenos Aires; Año: 2014 p. 11 - 16

ROMINA FRENZEL; GUSTAVO P. ROMANELLI; MIRTA N. BLANCO; LUIS R. PIZZIO

Transition metal-modified polyoxometalates supported on carbon as catalyst in 2-(methylthio)-benzothiazole oxidation

journal of chemical sciences; Lugar: Bangalore; Año: 2014

ROMINA FRENZEL; LUIS PIZZIO; MIRTA N. BLANCO,; GABRIEL SATHICG; G. ROMANELLI

Evaluation of the Catalytic Activity of H3PW12O40 in the Selective Oxidation of Sulfides to the Corresponding Sulfoxides or Sulfones

Current Catalysis; Lugar: Oak Park; Año: 2014 vol. 3 p. 124 - 130

CANDELARIA LEAL MARCHENA; SILVINA GÓMEZ; LILIANA B. PIERELLA; LUIS R. PIZZIO

Tungstophosphoric acid immobilized on ammonium Y and ZSM5 zeolites: Synthesis, characterization and catalytic evaluation

APPLIED CATALYSIS B-ENVIRONMENTAL; Lugar: Amsterdam; Año: 2013 vol. 130 p. 187 - 196

SILVINA GÓMEZ; CANDELARIA LEAL MARCHENA; LUIS R. PIZZIO; LILIANA B. PIERELLA

Preparation and characterization of TiO2/HZSM-11 zeolite for photodegradation of dichlorvos in aqueous solution

JOURNAL OF HAZARDOUS MATERIALS.; Lugar: Amsterdam; Año: 2013 vol. 258 p. 19 - 26

CLARA SAUX; L. R. PIZZIO; L PIERELLA

2,3,5-Trimethylphenol oxidation over Co-based solid catalysts

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2013 vol. 452 p. 17 - 23

ALEXIS SOSA; TOA RIVERA; MIRTA N. BLANCO; LUIS R. PIZZIO; GUSTAVO P. ROMANELLI

Tungstophosphoric acid supported on zirconia: A recyclable catalyst for the green synthesis on quinoxaline derivatives under solvent-free conditions

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS; Lugar: Londres; Año: 2013 vol. 188 p. 1071 - 1079

MARIA E. PÉREZ; DIEGO M. RUIZ; JUAN C. AUTINO; MIRTA N. BLANCO; LUIS R. PIZZIO; GUSTAVO P. ROMANELLI

Mesoporous titania/tungstophosphoric acid composites: suitable synthesis of flavones

JOURNAL OF POROUS MATERIALS; Lugar: Berlin; Año: 2013 vol. 20 p. 1433 - 1440

TOA RIVERA; M. N. BLANCO; LUIS R. PIZZIO; GUSTAVO P. ROMANELLI

Green catalytic synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes using recyclable mesoporous

Green Chemistry Letters and Reviews; Año: 2012 p. 1 - 5

MARINA N. GORSD,; MIRTA N. BLANCO; LUIS R. PIZZIO,

Synthesis of polystyrene microspheres to be used as template in

Procedia Materials Science; Lugar: Amsterdam; Año: 2012 vol. 1 p. 432 - 438

PAULA A. OSORIO-VARGAS; CESAR PULGARIN; ANDRZEJ SIENKIEWICZ; LUIS R. PIZZIO; MIRTA N. BLANCO; RICARDO A. TORRES-PALMA; CHRISTIAN PÉTRIERE; JULIÁN A. RENGIFO-HERRERA

Low-frequency ultrasound induces oxygen vacancies formation and visible light absorption in TiO 2 P-25 nanoparticles

ULTRASONICS SONOCHEMISTRY.; Lugar: Amsterdam; Año: 2012 vol. 19 p. 383 - 386

ALEXIS SOSA; TOA RIVERA; MIRTA N. BLANCO; LUIS R. PIZZIO; GUSTAVO P. ROMANELLI

Tungstophosphoric acid supported on zirconia: A recyclable catalyst for the green synthesis on quinoxaline derivatives under solvent-free conditions

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS; Lugar: Londres; Año: 2012

TOA RIVERA; M. N. BLANCO; LUIS R. PIZZIO; GUSTAVO P. ROMANELLI

Green catalytic synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes using recyclable mesoporous

Green Chemistry Letters and Reviews; Año: 2012 p. 1 - 5

TOA RIVERA; ALEXIS SOSA; G. P. ROMANELLI,; BLANCO M.N,; LUIS R. PIZZIO

Tungstophosphoric acid/zirconia composites prepared by the sol gel method: An efficient and recyclable green catalyst for the one-pot synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes.

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2012 vol. 443 p. 207 - 213

JULIAN ANDRES RENGIFO-HERRERA; LUIS RENE PIZZIO; MIRTA NOEMI BLANCO; CHRISTOPHE ROUSSEL; CESAR PULGARIN

Photocatalytic discoloration of aqueous malachite green solutions by UV-illuminated TiO2 nanoparticles under air and nitrogen atmospheres:effects of counter-ions and pH

Photochemical and Photobiological Sciences; Año: 2011 vol. 10 p. 29 - 35

BLANCO M.N,; LUIS RENÉ PIZZIO

Influence of the thermal treatment on the physicochemical properties and photocatalytic degradation of 4-chlorophenol in aqueous solutions with tungstophosphoric acid-modified mesoporous titania

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2011 vol. 405 p. 69 - 78

LETICIA MÉNDEZ; ROSARIO TORVISO; LUIS R. PIZZIO; MIRTA BLANCO

2-Methoxynaphthalene acylation using aluminum or copper salts of tungstophosphoric and tungstosilicic acids as catalysts

CATALYSIS TODAY; Lugar: Amsterdam; Año: 2011 vol. 173 p. 32 - 37

MARINA GORSD; LUIS R. PIZZIO; MIRTA N. BLANCO

Trifluoromethanesulfonic acid immobilized on zirconium oxide obtained by the sol-gel method as catalyst in paraben synthesis

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2011 vol. 400 p. 91 - 98

JULIAN ANDRES RENGIFO-HERRERA; BLANCO M.N,; L. R. PIZZIO,

Photocatalytic bleaching of aqueous malachite green solutions by UV-A and blue-light-illuminated TiO2 spherical nanoparticles modified with tungstophosphoric acid

APPLIED CATALYSIS B-ENVIRONMENTAL; Lugar: Amsterdam; Año: 2011 vol. 110 p. 126 - 132

DANIEL BENNARDI; GUSTAVO ROMANELLI; JUAN AUTINO; LUIS PIZZIO; PATRICIA VÁZQUEZ; CÁRMEN CÁCERES; MIRTA BLANCO

Comparative study of the catalytic preparation of flavones using Keggin heteropolyacids under homogeneous, heterogeneous and solvent free conditions

Reaction Kinetics, Mechanisms and Catalysis; Lugar: 100 (1), 165-174 (2010); Año: 2010 vol. 100 p. 165 - 174

MIRTA N. BLANCO; LUIS R. PIZZIO

Properties of mesoporous tungstosilicic acid/titania composites prepared by sol-gel method

APPLIED SURFACE SCIENCE; Lugar: Amsterdam; Año: 2010 vol. 256 p. 3546 - 3553

FUCHS, V.M; MÉNDEZ, L; BLANCO, M.N; PIZZIO, L.R

Mesoporous titania directly modified with tungstophosphoric acid: Synthesis,

APPLIED CATALYSIS A-GENERAL; Lugar: 358 (2009) 73?78; Año: 2009 vol. 358 p. 73 - 78

D.O. BENNARDI; G.P. ROMANELLI; J.C. AUTINO; L.R. PIZZIO

Trifluoromethanesulfonic acid supported on carbon used as catalysts

CATALYSIS COMMUNICATIONS; Año: 2009 vol. 10 p. 576 - 581

G. ROMANELLI; J.C. AUTINO; P. VA´ZQUEZ; L. PIZZIO; M. BLANCO; C. CA´ CERES

A suitable synthesis of azlactones (4-benzylidene-2-phenyloxazolin-5-ones

APPLIED CATALYSIS A-GENERAL; Lugar: amsterdam; Año: 2009 vol. 352 p. 208 - 213

TORVISO, R., MANSILLA, D., BELIZAÌN, A., ALESSO, E., MOLTRASIO, G., VAÌZQUEZ, P., PIZZIO, L., BLANCO, M, CAÌCERES, C

Catalytic activity of Keggin heteropolycompounds in the Pechmann reaction

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2008 vol. 1 p. 53 - 60

MONOPOLI, V.D., PIZZIO, L.R., BLANCO, M.N.

Polyvinyl alcohol-polyethylenglycol blends with tungstophosphoric acid addition: Synthesis and characterization

MATERIALS CHEMISTRY AND PHYSICS; Lugar: Amsterdam; Año: 2008 vol. 108 p. 331 - 336

FUCHS, V.M; SOTO, E.L.; BLANCO, M.N; PIZZIO, L.R

Direct modification with tungstophosphoric acid of mesoporous titania synthesized by urea-templated sol–gel reactions

JOURNAL OF COLLOID AND INTERFACE SCIENCE; Lugar: Amsterdam; Año: 2008 vol. 327 p. 403 - 411

FUCHS, V.M., PIZZIO, L.R., BLANCO, M.N.

Synthesis and characterization of aluminum or copper tungstophosphate and tungstosilicate immobilized in a polymeric blend

EUROPEAN POLYMER JOURNAL; Año: 2008 vol. 44 p. 801 - 807

FUCHS, V.M., PIZZIO, L.R., BLANCO, M.N.

Hybrid materials based on aluminum tungstophosphate or tungstosilicate as catalysts in anisole acylation

CATALYSIS TODAY; Lugar: amsterdam; Año: 2008 vol. 133 p. 181 - 186

LUIS RENE PIZZIO; MIRTA BLANCO,

A contribution to the physicochemical characterization of nonstoichiometric salts of tungstosilicic acid

MICROPOROUS AND MESOPOROUS MATERIALS; Lugar: Holanda; Año: 2007 vol. 1-3 p. 40 - 47

LUIS RENE PIZZIO; N. BLANCO, MIRTA

Preparation and characterization of transition metal-modified lacunary Keggin 11-tungstophosphates supported on carbon

MATERIALS LETTERS; Año: 2007 vol. 61 p. 719 - 724

LUIS RENE PIZZIO; G. ROMANELLI,; C. AUTINO, JUAN; BENNARDI, D.

Supported Trifluoromethanesulfonic Acid as Catalyst in the Synthesis of Flavone and Chromone Derivatives

APPLIED CATALYSIS A-GENERAL; Lugar: Holanda; Año: 2007 vol. 1-2 p. 62 - 68

LUIS RENE PIZZIO; V CACERES, CARMEN; G VAZQUEZ, PATRICIA; N BLANCO, MIRTA; R TORVISO,; E ALESSO,; GY MOLTRASIO,

Effect of the support on a new metanethole synthesis heterogeneously catalyzed by Keggin heteropolyacids.

APPLIED CATALYSIS A-GENERAL; Año: 2006 vol. 301 p. 25 - 31

LUIS RENE PIZZIO

Synthesis and characterization of trifluoromethanesulfonic acid supported on mesoporous titania

MATERIALS LETTERS; Año: 2006 vol. 60 p. 3931 - 3935

LUIS RENE PIZZIO; G. ROMANELLI,; J. AUTINO,; P. VÁZQUEZ; C. CÁCERES,; M. BLANCO

Keggin heteropolyacid-based catalysts for the preparation of substituted ethyl β-arylaminocrotonates, intermediates in the synthesis of 4-quinolones

Appl. Cat. A.; Año: 2006 vol. 308 p. 153 - 160

LUIS RENÉ PIZZIO.

Mesoporous titania: effect of thermal treatment on the texture and acidic properties.

MATERIALS LETTERS; Año: 2005 vol. 59 p. 994 - 997

L. R. PIZZIO,; P. G. VÁZQUEZ,; C. V. CÁCERES,; M. N. BLANCO,; M. R. TORVISO,; B. LANTAÑO,; G. Y. MOLTRASIO,; J. M. AGUIRRE.

C-alkylation reactions catalyzed by silica-supported Keggin heteropolyacids

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2005 vol. 287 p. 1 - 8

MARIA DEL ROSARIO TORVISO; ELBA N. ALESSO; GRACIELA Y. MOLTRASIO; PATRICIA G. VÁZQUEZ; LUIS R. PIZZIO; CARMEN V. CÁCERES; MIRTA NOEMÍ BLANCO

Effect of the support on a new metanethole synthesis

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2005

LUIS RENE PIZZIO; N BLANCO, MIRTA; G. ROMANELLI,; J AUTINO,

Tungstosilicate salts as catalysts in phenol tetrahydropyranylation and depyranylation.

APPLIED CATALYSIS A-GENERAL; Año: 2005 vol. 295 p. 209 - 215

ROMANELLI, G.P.,; AUTINO J.C.,; BLANCO M.N,; PIZZIO L.,R.

Tungstosilicate salts as catalysts in phenol tetrahydropyranylation and depyranylation

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2005 vol. 295 p. 209 - 215

S. G. CASUSCELLI,; M. E. CRIVELLO,; C. F. PÉREZ,; G. GHIONE,; E. R. HERRERO,; LUIS RENÉ PIZZIO.; P.G. VÁZQUEZ,; C. V. CÁCERES,; M.N. BLANCO

Effect of reaction conditions on limonene epoxidation with H2O2.

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2004 vol. 274 p. 115 - 122

P.I. VILLABRILLE,; L. R. PIZZIO,; P.G. VÁZQUEZ,; C. V. CÁCERES; M.N. BLANCO

Equilibrium adsorption of Keggin heteropolyacids on different supports.

Current Topics in Colloid Adsorp. & Int. Sci.; Lugar: Trivandrum; Año: 2004 vol. 6 p. 43 - 60

L. R. PIZZIO,; P. G. VÁZQUEZ,; C. V. CÁCERES; M. N. BLANCO; E. N. ALESSO; M. I. ERLICH,; R. TORVISO,; L. FINKIELSZTEIN; B. LANTAÑO,; G. Y. MOLTRASIO,; J. M. AGUIRRE

Influence of the alcohol molecular size in the dehydration reaction catalysed by carbon-supported heteropolyacids

CATALYSIS LETTERS; Año: 2004 vol. 93 p. 67 - 73

G. ROMANELLI,; P. VÁZQUEZ,; L. PIZZIO,; N. QUARANTA,; J. AUTINO,; M. BLANCO,; C. CÁCERES.

Phenol tetrahydropyranylation catalyzed by supported heteropolyacids with Keggin structure

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2004 vol. 261 p. 163 - 170

LUIS RENE PIZZIO; G VAZQUEZ, PATRICIA; V CACERES, CARMEN; N BLANCO, MIRTA

Supported Keggin type heteropolycompounds for ecofriendly reactions

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 2003 vol. 256 p. 125 - 125

LUIS RENE PIZZIO; N BLANCO, MIRTA

Isoamyl acetate production catalyzed by H3PW12O40 on their partially substituted Cs or K salts

APPLIED CATALYSIS A-GENERAL; Año: 2003 vol. 255 p. 265 - 265

LUIS RENE PIZZIO; V CACERES, CARMEN; N BLANCO, MIRTA; G VAZQUEZ, PATRICIA; G. ROMANELLI,; J AUTINO,

Efficient tetrahydropyranylation of phenols and alcohols catalysed by supported Mo and W Keggin heteropolyacids

SYNTHETIC COMMUNICATIONS; Año: 2003 vol. 33 p. 1359 - 1359

LUIS RENE PIZZIO; V CACERES, CARMEN; N BLANCO, MIRTA; G VAZQUEZ, PATRICIA; R TORVISO,; E ALESSO,; L. FINKIELSZTEIN,; B LANTAÑO,; G MOLTRASIO,; H THOMAS,; P AGUIRRE,

Silica-Supported Heteropolyacids Readily Induce Cyclodimerization of Styrenes and Stilbenes

SYNTHETIC COMMUNICATIONS; Año: 2002 vol. 32 p. 3803 - 3803

LUIS RENE PIZZIO; V CACERES, CARMEN; N BLANCO, MIRTA; G. ROMANELLI,; G VAZQUEZ, PATRICIA; J AUTINO,

Mo and W Heteropolyacid based catalysts applied to the preparation of flavones and substituted chromones by cyclocondensation of o-hydroxyphenyl aryl 1,3-propanediones

APPLIED CATALYSIS A-GENERAL; Año: 2002 vol. 235 p. 233 - 233

LUIS RENE PIZZIO; G VAZQUEZ, PATRICIA; V CACERES, CARMEN; N BLANCO, MIRTA

Tungstophosphoric and molybdophosphoric acids supported on zirconia as esterification catalysts.

CATALYSIS LETTERS; Año: 2001 vol. 77 p. 233 - 233

LUIS RENE PIZZIO; V CACERES, C; N BLANCO, MIRTA; E ALESSO,; GY MOLTRASIO,; L. FINKIELSZTEIN,; R TORVISO,; B. LANTAÑO,; J. AGUIRRE,; G VAZQUEZ, PATRICIA; H THOMAS,

Dehydration of alcohols catalyzed by heteropolyacids supported on silica

JOURNAL OF CHEMICAL RESEARCH-S; Año: 2001 p. 508 - 508

LUIS RENE PIZZIO; A. RIVES,; E. PAYEN,; R. HUBAUT,; G VAZQUEZ, PATRICIA; V CACERES, CARMEN; N BLANCO, MIRTA

Silica and alumina impregnated with dimethylformamide solutions of molybdophosphoric or tungstophosphoric acids

CATALYSIS LETTERS; Año: 2001 vol. 71 p. 193 - 193

MARCELO CHIMIENTI,; LUIS RENE PIZZIO; V CACERES, CARMEN; N BLANCO, MIRTA

Tungstophosphoric and tungstosilicic acids on carbon as acid catalysts.

APPLIED CATALYSIS A-GENERAL; Año: 2001 vol. 208 p. 7 - 7

LUIS RENE PIZZIO; G VAZQUEZ, PATRICIA; V CACERES, CARMEN; N BLANCO, MIRTA; E ALESSO,; L FINKIELSZTEIN,; G MOLTRASIO,; J AGUIRRE,; B LANTAÑO,

Silica-supported heteropolyacids as catalysts in alcohol dehydration reactions

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL; Año: 2000 vol. 161 p. 223 - 232

PIZZIO, LUIS R; V CACERES, CARMEN; N BLANCO, MIRTA; R PIZZIO, LUIS; LUIS RENE PIZZIO

Equilibrium adsorption of 11-tungstophosphate anion on different supports

APPLIED SURFACE SCIENCE; Lugar: Amsterdam; Año: 1999 vol. 151 p. 91 - 101

VAZQUEZ, PATRICIA; PIZZIO, LUIS; MIRTA BLANCO,; CACERES, CARMEN; THOMAS, HORACIO JORGE; ARRIAGADA, RENÁN; BENDEZU, SALVADOR; CID, RUBY; GARCIA, RAFAEL; LUIS RENE PIZZIO

NiMo(W)-based hydrotreatment catalysts supported on peach stones activated carbon

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 1999 vol. 184 p. 303 - 313

LUIS RENE PIZZIO; V CACERES, C; N BLANCO, MIRTA

Acid catalysts prepared by impregnation of tungstophosphoric acid solutions on different supports

APPLIED CATALYSIS A-GENERAL; Lugar: Amsterdam; Año: 1998 vol. 167 p. 283 - 294

LUIS RENE PIZZIO; CACERES, CV; NOEMI BLANCO, MIRTA

Adsorption of Tungstophosphoric or Tungstosilicic Acids from Ethanol-Water Solutions on Carbon

JOURNAL OF COLLOID AND INTERFACE SCIENCE; Año: 1997 vol. 190 p. 318 - 326

LUIS RENE PIZZIO; V CACERES, CARMEN; NOEMI BLANCO, MIRTA; G VAZQUEZ, PATRICIA

Adsorption and impregnation of alumina with molybdenum or tungsten solutions

ADSORPTION SCIENCE & TECHNOLOGY; Año: 1996 vol. 13 p. 165 - 176

LUIS RENE PIZZIO; V CACERES, CARMEN; N BLANCO, MIRTA

Tungsten-Alumina Based Catalysts. I-Genesis by Impregnation with Different Tungsten Solutions

CATALYSIS LETTERS; Año: 1995 vol. 33 p. 175 - 175

LUIS RENE PIZZIO; G VAZQUEZ, PATRICIA; HECTOR VITURRO,; RITA BONETO,; MARIO SANCHEZ,; GUILLERMO ALVAREZ,

Measuring System for Obtaining Concentration Profiles in Supported Catalysts Using Electron-probe Measuring System for Obtaining Concentration Profiles in Supported Catalysts Using Electron-probe Microanalysis. Influence of Standards. Microanalysis. Influence of Standards.

X-RAY SPECTROMETRY; Año: 1995 vol. 24 p. 3 - 3

LUIS RENE PIZZIO; V CACERES, CARMEN; N BLANCO, MIRTA

Adsorption of Tungsten on Alumina from Sodium Tugnstate Solutions. Estimation of Equilibrium and Kinetic Parameters.

ADSORPTION SCIENCE & TECHNOLOGY; Año: 1994 vol. 3 p. 133 - 133

LUIS RENE PIZZIO; V CACERES, CARMEN; N BLANCO, MIRTA

Tungsten adsorption on Alumina from Ammonium Meta and Paratungstate Solutions-UV-visible Spectra of the Solutions.

ADSORPTION SCIENCE & TECHNOLOGY; Año: 1992 vol. 1 p. 36 - 36

LUIS RENE PIZZIO; V CACERES, CARMEN; N BLANCO, MIRTA

Tungsten adsorption parameters from metatungstate solution on alumina.

ADSORPTION SCIENCE & TECHNOLOGY; Año: 1991 vol. 8 p. 142 - 142