Now showing items 1-20 of 54

    • Adsorption of antipyrine by activated carbons from FeCl3-activation of Tara gum 

      Bedia, Jorge; Belver-Coldeira, Carolina; Ponce-Álvarez, Silvia; Rodríguez, Juan-Martín; Rodríguez, J. J. (Elsevier BVPaíses Bajos, 2018)
      Acceso restringido
      Activated carbons were synthesized by FeCl3-activation of Tara gum at different temperatures (400–1000 °C). The activating agent and the precursor were physically mixed at different ratios (r= FeCl3:precursor, 0.5–3.0 ...
    • Cellulose Microfibres Obtained from Agro-Industrial Tara Waste for Dye Adsorption in Water 

      Ponce-Álvarez, Silvia-Patricia; Chavarría, María; Norabuena, Fiama; Chumpitaz, Dalton; Gutarra-Espinoza, Abel (SpringerCH, 2020)
      Acceso restringido
      Microfibres of cellulose were extracted from tara residues (TR), obtained after the production process, and used to remove dyes in aqueous solution. Caesalpinia spinosa (Molina) Kuntze or Tara spinosa, commonly known as ...
    • Characterization of Glyceridic and Unsaponifiable Compounds of Sacha Inchi (Plukenetia huayllabambana L.) Oils 

      Chasquibol-Silva, Nancy; Del-Aguila, Chellah; Yacono-Llanos, Juan-Carlos; Guinda-Marín, Ángeles; Moreda-Martino, Wenceslao; Gómez-Coca, Raquel; Pérez-Camino, María-del-Carmen (American Chemical SocietyEstados Unidos, 2014)
      Acceso abierto
      This work deals with the characterization of the main glyceridic and unsaponifiable components of oils obtained from Sacha inchi (Plukenetia huayllabambana L.) seed ecotypes collected during two harvests in the Department ...
    • Comparison between solar distillers with and without solar concentrator 

      Saettone-Olschewski, Erich-Arturo; Valencia-Tovar, Yohan (Allerton Press, Inc.Estados Unidos, 2016)
      Acceso restringido
      In order to desalinate sea water by only solar energy using they were designed and built three distillers in which experimental measurements were taken to calculate production, performance and cost. Distillers by solar ...
    • Composición fitoquímica del aceite de las semillas del fruto del "Aguaymanto", Physalis peruviana L. 

      Chasquibol-Silva, Nancy; Yacono-Llanos, Juan-Carlos (Sociedad Química del PerúPerú, 2015)
      Acceso abierto
      Se estudió el contenido de ácidos grasos y antioxidantes en el aceite de las semillas del fruto del “aguaymanto”. La extracción del aceite crudo se realizó por el método de prensado por expeller con un rendimiento del ...
    • 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 ...
    • Curitiba Statement on Health Promotion and Equity: voices from people concerned with global inequities 

      Akerman, Marco; Mercer, Raúl; Franceschini, Maria-Cristina; Rocha, Dais; Prado-Alexandre-Weiss, Veruska; Peñaherrera-Sánchez, Edwin-Alberto; Moysés, Simone-Tetú (Oxford University PressReino Unido, 2019)
      Acceso abierto
      This Statement represents the voice of participants in the 22nd IUHPE World Conference on Health Promotion, held in Curitiba, Brazil, in May 2016. The Brazilian political context at that time greatly influenced the drafting ...
    • Desalination using a parabolic-trough concentrator 

      Saettone-Olschewski, Erich-Arturo (Allerton Press Inc.Estados Unidos, 2012)
      Acceso abierto
      There are presented desalination results by using a parabolic-trough concentrator (PTC) device of 5.5 m2, 0.7 m of line focal distance and aligned in the East—West direction. The length of the PTC is 2.5 m and its rectangular ...
    • Design and construction of a fresnel linear distiller 

      Saettone-Olschewski, Erich-Arturo (Allerton Press, Inc.Estados Unidos, 2014)
      Acceso restringido
      It was designed a Fresnel linear distiller based on optical calculations obtained from taking into account Lima's latitude value, Earth inclination angle and heat absorber cavity's dimensions. The 5.6 m^sup 2^ reflective ...
    • 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 ...
    • Effect of y-irradiation on the growth of ZnO nanorod films for photocatalytic disinfection of contaminated water 

      Alarcón, Julio; Ponce-Álvarez, Silvia; Paraguay-Delgado, Francisco; Rodríguez-Rodríguez, Juan (Academic PressEstados Unidos, 2011)
      Acceso restringido
      The growth of ZnO nanorods on a flat substrate containing c-irradiated seeds and their ability to photocatalytically eliminate bacteria in water were studied. The seed layer was obtained, by the spray pyrolysis technique, ...
    • Electrochemical synthesis of ferrate(Vi): Optimization of parameters and evaluation of their impact in production cost 

      Quino-Favero, Javier; Eyzaguirre-Pérez, Raúl; Prieto-Veramendi, Patricia-Mahela; Mogrovejo-García, Paloma; Flores-del-Pino, Lisveth (Desalination PublicationsItalia, 2018)
      Acceso restringido
      Ferrates have attracted considerable research in the last few decades because their activity is not associated with toxic by products. This research investigated the effect of three factors on ferrate (VI) synthesis using ...
    • 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 ...
    • Espectrómetro para radiación visible hecho en casa, de bajo costo y altas prestaciones 

      Montoya-Rossi, Eduardo; Baltuano-Elías, Óscar; Arbildo-López, Aurelio (Sociedad Química del PerúPerú, 2013)
      Acceso abierto
      Un problema de la enseñanza – aprendizaje del análisis químico instrumental es el alto costo de la instrumentación comercial, incluyendo aspectos de mantenimiento y servicio. Esto limita el acceso de los estudiantes a la ...
    • 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 ...
    • Factors affecting the success of women’s entrepreneurship: a review of literature 

      Cabrera-Gil-Grados, Ezilda-María; Mauricio, David (Emerald Group Publishing Ltd.Reino Unido, 2017)
      Acceso abierto
      Women entrepreneurship has grown significantly all over the world, and it is widely established that entrepreneurship is important for economic growth and wealth. Despite those facts, women’s participation in entrepreneurship ...
    • 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 ...
    • Goal programming optimization model under uncertainty and the critical areas characterization in humanitarian logistics management 

      Machuca-de-Pina, Juan-Manuel; Chong, Mario; Pereda, Maria-Cristina; Lazo-Lazo, Juan-Guillermo (Emerald Group PublishingInglaterra, 2019)
      Acceso restringido
      The purpose of this paper is to improve disaster management models, have an optimal distribution of assets, reduce human suffering in a crisis and find a good solution for warehouse locations, distribution points, inventory ...
    • In vitro antiproliferative activity of palladium(II) thiosemicarbazone complexes and the corresponding functionalized chitosan coated magnetite nanoparticles 

      Hernández-Gorritti, Wilfredo-Román; Vaisberg-Wolach, Abraham; Tobar, Mabel; Álvarez, Melisa; Manzur-Saffie, Jorge; Echevarría, Yuri; Spodine-Spiridonova, Evgenia  (The Royal Society of Chemistry and the Centre National de la Recherche ScientifiqueReino Unido, 2016)
      Acceso restringido
      This work reports the synthesis and characterization of palladium(II) complexes Pd(L1)2 (1), Pd(L2)2 (2), Pd(L3)2 (3) and Pd(L4)2 (4), where L1H: 1-naphthaldehyde thiosemicarbazone; L2H: 4-phenyl-(1-naphthaldehyde)thiose ...
    • 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 ...