Now showing items 1-20 of 47

    • Scaling up photoelectrocatalytic reactors: A TiO2 nanotube-coated disc compound reactor effectively degrades acetaminophen 

      Montenegro-Ayo, Renato; Morales-Gomero, Juan-Carlos; Alarcón, Hugo; Cotillas, Salvador; Westerhoff, Paul K.; Garcia-Segura, Sergi (Multidisciplinary Digital Publishing InstituteSuiza, 2019)
      Acceso abierto
      Multiple discs coated with hierarchically-organized TiO2 anatase nanotubes served as photoelectrodes in a novel annular photoelectrocatalytic reactor. Electrochemical characterization showed light irradiation enhanced the ...
    • Removal of azo dyes in aqueous solutions using magnetized and chemically modified chitosan beads 

      Muedas-Taipe, Golfer; Maza-Mejía, Ily-Marilu; Santillán, Fátima A.; Velásquez, Carlos-J.; Asencios, Yvan J.O. (ElsevierPaíses Bajos, 2020)
      Acceso restringido
      Azo dyes in wastewater coming from textile industry are detrimental, toxic, and affect the human health; therefore efficient wastewater treatments are needed. To contribute to the solution to this problem, in this paper ...
    • Role of empowerment and identification with work teams in innovation climate 

      Montoya-Ramírez, Manuel-Fernando; Ostos, Jhony; Saenz Arteaga, Arturo Rodolfo (Fundacao Getulio Vargas, Escola de Administracao de Empresas de Sao PauloBR, 2020)
      Acceso abierto
      Several studies argue that an organizational climate oriented to promote innovation generates greater competitiveness in companies. However, very few researchers have explored the factors that lead to the formation of ...
    • Mixing design for optimizing ultrasound-assisted extraction of phenolic components and anthocyanins from blue berries and grape marc 

      Zevallos, Lady; Caldas, César; Flores-Perez, Alberto-Enrique; Obregón, Jesús; Miano, Alberto Claudio; Barraza-Jáuregui, Gabriela (Taylor & FrancisEstados Unidos, 2020)
      Acceso restringido
      Waste from fruit processing can be used for obtaining additives as colorants and antioxidant compounds by extraction processes. Despite there are many works optimizing parameters as temperature and solvent concentration ...
    • A study on the biodiversity of pigmented andean potatoes: nutritional profile acphenolic omposition 

      Bellumori, Maria; Chasquibol-Silva, Nancy; Vilca, Laida; Andrenelli, Luisa; Cecchi, Lorenzo; Innocenti, Marzia; Balli, Diletta; Mulinacci, Nadia (Multidisciplinary Digital Publishing InstituteSuiza, 2020)
      Acceso abierto
      The characterization of six varieties of native Andean potatoes with a wide biodiversity in tuber shape, flesh, and skin color was performed, through the determination of their proximate composition, mineral content, and ...
    • Portable point-of-use photoelectrocatalytic device provides rapid water disinfection 

      Montenegro-Ayo, Renato; Barrios, Ana Cecilia; Mondal, Indrayudh; Bhagat, Kartik; Morales-Gomero, Juan-Carlos; Abbaszadegan, Morteza A.; Westerhoff, Paul K.; Perreault, François; Garcia-Segura, Sergi (ElsevierPaíses Bajos, 2020)
      Acceso restringido
      Portable water purification devices are needed to provide safe drinking water in rural communities, developing communities with low quality centralized water distribution, and military or recreational applications. Filtration, ...
    • Ultraviolet concentration factor of a truncated compound parabolic concentrator under different weather conditions 

      Saettone-Olschewski, Erich-Arturo; Paredes-Larroca, Fabricio-Humberto; Quino-Favero, Javier; Ponce-Álvarez, Silvia; Eyzaguirre-Pérez, Raúl (Pleiades PublishingRusia, 2020)
      Acceso restringido
      This study presents the results of ultraviolet radiation measurement in a truncated compound parabolic concentrator. The measurements were performed by using of a portable ultraviolet sensor both inside and outside the ...
    • Which complexity characteristics do economical industries present? 

      Aita-Ramírez-Gastón, Rafael (WIT PressReino Unido, 2020)
      Acceso abierto
      The past decade has seen a development of complex theories in different fields, raising the question: should managers use complex principles in their strategy? The answer implies to analyze companies and economical industries ...
    • Factorial design for preparing chitosan nanoparticles and its use for loading and controlled release of indole-3-acetic acid with effect on hydroponic lettuce crops 

      Valderrama-Negrón, Ana-Cecilia; Jacinto-Hernández, Christian-Ronald; Lay, Jorge; Flores-E., Yoselyn; Zavaleta-C., Daniel; Rodríguez-Delfín, Alfredo (International Society of Biocatalysis and Agricultural BiotechnologyPaíses Bajos, 2020)
      Acceso restringido
      The excessive use of agrochemicals generates damage to the environment, so their controlled release from biodegradable nanoparticles represents a good solution. In this study, chitosan nanoparticles (CNPs) were prepared ...
    • Indole-3-carbaldehyde Semicarbazone Derivatives: Synthesis, Characterization, and Antibacterial Activities 

      Carrasco-Solís, Fernando; Hernández-Gorritti, Wilfredo-Román; Chupayo, Oscar; Celedonio M., Álvarez; Oramas-Royo, Sandra; Spodine, Evgenia; Tamariz-Angeles, Carmen; Olivera-Gonzale, Percy; Dávalos, Juan Z. (Hindawi LimitedReino Unido, 2020)
      Acceso abierto
      The two-dimensional NMR (in acetone-d6) spectral data revealed that the molecules 1 and 2 in solution are in the cisE isomeric form. This evidence is supported by DFT calculations at the B3LYP/6-311++G(d,p) level of theory ...
    • Confined benzene within InOF-1: Contrasting CO2 and SO2 capture behaviours 

      Barrios-Vargas, Luz; Ruiz-Montoya, José; Landeros-Rivera, Bruno; Álvarez, J. Raziel; Alvarado-Alvarado, Daniel; Vargas, Rubicelia; Martínez, Ana; González-Zamora, Eduardo; Cáceres-Montero, Ludy; Morales-Gomero, Juan-Carlos; Ibarra, Ilich A. (Royal Society of ChemistryReino Unido, 2020)
      Acceso restringido
      The confinement of small amounts of benzene in InOF-1 (Bz@InOF-1) shows a contradictory behavior in the capture of CO2 and SO2. While the capture of CO2 is increased 1.6 times, compared to the pristine material, the capture ...
    • TiO2 films on CoFe2O4 nanoparticles for the photocatalytic oxidation of rhodamine B: Influence of the alcoholic solutions 

      Gastello, Elmer; Estrada, David; Estrada, Walter; Luyo, Clemente; Espinoza, Juan; Ponce-Álvarez, Silvia; Montes-de-Oca, Juan; Acosta, Dwight-Roberto; Rodríguez, Juan-M. (SPIEEstados Unidos, 2019)
      Acceso restringido
      In the present work, photocatalytic oxidation of Rhodamine B solutions were performed using a composite material prepared by titanium dioxide films deposited onto cobalt ferrite nanoparticles. Cobalt ferrite nanoparticles ...
    • Glyceridic and Unsaponifiable Components of Microencapsulated Sacha Inchi (Plukenetia huayllabambana L. And Plukenetia volubilis L.) Edible Oils 

      Chasquibol-Silva, Nancy; Gallardo, Gabriela; Gómez-Coca, Raquel; Trujillo, Diego; Moreda, W.; Pérez-Camino, María-Carmen (Multidisciplinary Digital Publishing Institute (MDPI)Suiza, 2019)
      Acceso abierto
      Sacha inchi (Plukenetia huayllabambana L. and Plukenetia volubilis L.) edible oils were microencapsulated and the lipid fraction of the microparticles was characterized. Hi-cap®, Capsule®, Arabic gum, and the binary ...
    • Treatment of irrigation water infested with nematodes using a solar photoreactor 

      Inga López, Jesarella; Meza Contreras, Víctor; Rodríguez-Delfín, Alfredo; Ponce-Álvarez, Silvia; Paredes-Larroca, Fabricio-Humberto; Quino-Favero, Javier; Eyzaguirre-Pérez, Raúl; Saettone-Olschewski, Erich-Arturo (Desalination PublicationsEstados Unidos, 2020)
      Acceso restringido
      The objective of this study was to assess the efficacy of the disinfection of irrigation water loaded with the plant-parasitic nematode Meloidogyne incognita using a solar photoreactor. The photoreactor was comprised of a ...
    • Development of a Fuzzy Logic-Based Solar Charge Controller for Charging Lead–Acid Batteries 

      Paredes-Larroca, Fabricio-Humberto; Saettone-Olschewski, Erich-Arturo; Quino-Favero, Javier; Rosales-Huamaní, Jimmy; Castillo-Sequera, José-Luis (SpringerSuiza, 2020)
      Acceso restringido
      The design and implementation of a solar charge controller for lead–acid batteries is intended to supplement a component of the water purification module of the water treatment unit for natural disaster relief. This unit ...
    • ZnO (Ag-N) Nanorods Films Optimized for Photocatalytic Water Purification 

      Sanchez, Luis; Castillo, Carlos; Cruz, Willy; Yauri, Bryan; Sosa, Miguel; Luyo, Clemente; Candal, Roberto-Jorge; Ponce-Álvarez, Silvia; Rodríguez, Juan-M. (Multidisciplinary Digital Publishing InstituteSuiza, 2019)
      Acceso abierto
      ZnO nanorods (NRs) films, nitrogen-doped (ZnO:N), and ZnO doped with nitrogen and decorated with silver nanostructures (ZnO:N-Ag) NRs films were vertically supported on undoped and N doped ZnO seed layers by a wet chemical ...
    • Profiles of academic goals in engineering students at private universities in Peru 

      Machuca-de-Pina, Juan-Manuel; Chong, Mario (IEEEEstados Unidos, 2019)
      Acceso restringido
      Motivation is a complex construct related to performance, persistence, effort and the development of strategies for academic achievement in undergraduate university students. The characteristics of the engineering student ...
    • Teaching software engineering to career-changers 

      Dorin, Michael; Machuca-de-Pina, Juan-Manuel; Montenegro, Sergio (IEEEEstados Unidos, 2019)
      Acceso restringido
      The Graduate Programs in Software department of the University of St. Thomas provides an avenue for people to pursue software related careers without regards to their prior technical background. This flexible program offers ...
    • Elimination of Escherichia coli in Water Using Cobalt Ferrite Nanoparticles: Laboratory and Pilot Plant Experiments 

      Gastelo, Elmer; Montes-de-Oca, Juan; Carpio-Deza, Edward; Espinoza, Juan; García, Pilar; Ponce-Álvarez, Silvia; Rodriguez, Juan-Martín (Multidisciplinary Digital Publishing InstituteSuiza, 2019)
      Acceso abierto
      This paper focuses on the synthesis of cobalt ferrite nanoparticles by the sol–gel method and their photocatalytic activity to eliminate bacteria in aqueous media at two di erent scales: in a laboratory reactor and a ...
    • A theoretical approach of the ethanol adsorption on Au(100), Au(110) and Au(111) surfaces 

      Fallaque-Najar, Joel; Morales-Gomero, Juan-Carlos; Timón, Vicente (ElsevierPaíses Bajos, 2019)
      Acceso restringido
      The adsorption of ethanol on Au(100), Au(110) and Au(111) surfaces was studied using electronic structure calculations under the scheme of the density functional theory (DFT) with van der Waals corrections, vdW-DF2 and PBE ...