Mostrando ítems 101-120 de 145

    • Insights in Osteosarcoma by Proton Nuclear Magnetic Resonance Serum Metabonomics 

      Quintero Escobar, Melissa; da Costa, Tássia B.B.C.; Gelain Martins, Lucas; Costa, Sílvia Souza Da; vanHelvoort Lengert, André; Boldrini, Érica; Morini da Silva, Sandra Regina; Lopes, Luiz Fernando Risso; Vidal, Daniel Onofre; Krepischi, Ana Cristina Victorino; Maschietto, Mariana; Tasic, L. (Frontiers Media S.A., 2020)
      Acceso abierto
      Pediatric osteosarcoma outcomes have improved over the last decades; however, patients who do not achieve a full resection of the tumor, even after aggressive chemotherapy, have the worst prognosis. At a genetic level, ...
    • Water treatment plant prototype with ph control modeled on fuzzy logic for removing arsenic using fe(VI) and fe(III) 

      Paredes Larroca, Fabricio Humberto; Saettone Olschewski, Erich Arturo; Quino Favero, Javier; Huamaní, Jimmy Rosales; Castillo Sequera, José Luis (Multidisciplinary Digital Publishing Institute, 2020)
      Acceso abierto
      This study proposes a fuzzy control strategy embedded in a Siemens IoT2040 gateway developed for removing inorganic arsenic from synthetic underground water in a treatment plant prototype. The prototype is used to dose a ...
    • Synthesis, Spectroscopic Characterization, Structural Studies, and in Vitro Antitumor Activities of Pyridine-3-carbaldehyde Thiosemicarbazone Derivatives 

      Hernández Gorritti, Wilfredo Román; Carrasco Solís, Fernando Carlos; Vaisberg, Abraham J.; Spodine, Evgenia N.; Manzur, Jorge S.; Icker, Maik; Krautscheid, Harald; Beyer, Lothar (Hindawi, 2020)
      Acceso abierto
      Eight new thiosemicarbazone derivatives, 6-(1-trifluoroethoxy)pyridine-3-carbaldehyde thiosemicarbazone (1), 6-(4'-fluorophenyl)pyridine-3-carbaldehyde thiosemicarbazone (2), 5-chloro-pyridine-3-carbaldehyde thiosemicarbazone ...
    • Cellulose Microfibres Obtained from Agro-Industrial Tara Waste for Dye Adsorption in Water 

      Ponce Álvarez, Silvia; Chavarría, María; Norabuena Aliaga, Fiama Vanessa; Chumpitaz, Dalton; Gutarra Espinoza, Abel (Springer, 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 ...
    • Removal of azo dyes in aqueous solutions using magnetized and chemically modified chitosan beads 

      Muedas Taipe, Golfer; Maza Mejía, Ily Marilú; Santillán, Fátima A.; Velásquez, Carlos J.; Asencios, Yvan J.O. (Elsevier, 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 ...
    • Scaling up photoelectrocatalytic reactors: A TiO2 nanotube-coated disc compound reactor effectively degrades acetaminophen 

      Montenegro Ayo, Renato Martin; Morales Gomero, Juan Carlos; Alarcón Cavero, Hugo Arturo; Cotillas, Salvador; Westerhoff, Paul K.; García Segura, Sergi (Multidisciplinary Digital Publishing Institute, 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 ...
    • 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 Paulo, 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 Pérez, Alberto Enrique; Obregón, Jesús; Miano, Alberto Claudio; Barraza Jáuregui, Gabriela (Taylor & Francis, 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 and Phenolic Composition 

      Bellumori, Maria; Chasquibol Silva, Nancy Ascención; Vilca Calderón, Laida; Andrenelli, Luisa; Cecchi, Lorenzo; Innocenti, Marzia; Balli, Diletta; Mulinacci, Nadia (Multidisciplinary Digital Publishing Institute, 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 Martin; Barrios, Ana Cecilia; Mondal, Indrayudh; Bhagat, Kartik; Morales Gomero, Juan Carlos; Abbaszadegan, Morteza A.; Westerhoff, Paul K.; Perreault, François; García Segura, Sergi (Elsevier, 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 Publishing, 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 Martín Antonio (WIT Press, 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 Biotechnology, 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 Carlos; Hernández Gorritti, Wilfredo Román; Chupayo, Oscar; Celedonio M., Álvarez; Oramas Royo, Sandra; Spodine, Evgenia; Tamariz Angeles, Carmen; Olivera Gonzale, Percy; Dávalos, Juan Z. (Hindawi Limited, 2020)
      Acceso abierto
      Four indole-3-carbaldehyde semicarbazone derivatives, 2-((5-bromo-1H-indol-3-yl)methylene)hydrazinecarboxamide (1), 2-((5-chloro-1H-indol-3-yl)methylene)hydrazinecarboxamide (2), 2-((5-methoxy-1H-indol-3-yl)methylene)hyd ...
    • 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 Margarita; Morales Gomero, Juan Carlos; Ibarra, Ilich A. (Royal Society of Chemistry, 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 ...
    • Glyceridic and Unsaponifiable Components of Microencapsulated Sacha Inchi (Plukenetia huayllabambana L. And Plukenetia volubilis L.) Edible Oils 

      Chasquibol Silva, Nancy Ascención; Gallardo, Gabriela; Gómez Coca, Raquel Beatriz; Trujillo, Diego; Moreda, W.; Pérez Camino, María del Carmen (Multidisciplinary Digital Publishing Institute (MDPI), 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 Publications, 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 ...
    • 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 Institute, 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 ...
    • 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 Institute, 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 different scales: in a laboratory reactor and a solar ...
    • 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 (Elsevier, 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 ...