• Silver colloidal nanoparticles by electrochemistry: temporal evaluation and surface plasmon resonance 

      Padilla Sierra, H A; Peña Rodríguez, G; Chaves Bedoya, Giovanni (Reino Unido, 2021-06-04)
      The electrochemical technique for obtaining silver nanoparticles has advantages over other methods. For the synthesis, a colloidal silver generator (Colloidal Silver Generator® model 1001) was used, where two electrodes ...
    • Structure, mechanical and thermal behaviour of mixtures of polyester resin and dental ceramic waste 

      Peña Rodriguez, Gabriel; Hector Jaime, Dulce-Moreno; Martinez Maldonado, Lorena (Journal of Physics: Conference SeriesLondres, Reino Unido, 2016-02-12)
      The tensile strength and bending strength, structure and thermal behaviour of mixtures of polyester resin (P-2000) and powders (ASTM sieve 200, <75μm) of dental ceramic wastes (dentals impressions, alginate and gypsum) was ...
    • Tortuosidad y permeabilidad de materiales cerámicos mesoporosos de caolín y diatomita 

      FONSECA PÁEZ, LUIS ALEJANDRO; Peña Rodriguez, Gabriel; Trujillo-Castro, Emanuel (Revista UIS IngenieríasBogota , Colombia, 2019-01-01)
      Se reporta la permeabilidad y tortuosidad de cerámicas mesoporosas de caolines y diatomitas. Las muestras cilíndricas con porcentaje en peso de 60 % diatomita, 30 % caolín y 10 % CaCO3, fueron elaboradas por colado, con ...
    • Treatment of subterranean mining water through filtration using ceramic bilayer membranes based of recycled diatomites and kaolin 

      RIVERA, SILVIA FERNANDA; Salazar Ayala, Karen Andrea; Peña Rodriguez, Gabriel (Contemporary Engineering SciencesSofia , Bulgaria, 2018-10-22)
      The treatment of underground wastewater is presented. Used at the San Martín 5 mine in the San Roque sector of the municipality of Sardinata (Norte de SantanderColombia); through the process of filtration through bilayer ...
    • Ultrasound irradiation effect on photosynthesis and transpiration of aquatic lirium plants 

      Calderón, José Antonio; Rojas, Alejandro; Hernandez Wong, Joel; Nogal, Uriel; Calderón Duarte, Jeniffer Yeismar; Peña Rodriguez, Gabriel; Rojas-Trigos, José Bruno; Marin, Ernesto; Juárez-Graciaa, Antonio Gustavo (International Journal of Radiation BiologyLondres, Reino Unido, 2021-08-23)
      To find possible causes of the photobaric response decrease in photoacoustic measurements on Aquatic Lirium plants after ultrasonic irradiations reported elsewhere contributing to understanding the effect of ultrasonic ...
    • Use of recycled diatomaceous earth from breweries as a means of transporting of macronutrients 

      Peña Rodriguez, Gabriel; Rodriguez Aguilar, Marlon Hans; BECERRA, EVER; Caballero, Xandro; Hector Jaime, Dulce-Moreno (Revista UIS IngenieríasBogota , Colombia, 2019-09-16)
      Se reporta la caracterización físico-química de tierras diatomáceas recicladas de la industria cervecera, y su uso como medio de transporte de macronutrientes (Nitrógeno, Fósforo, Potasio (NPK)), con el fin de dar una ...
    • Use of strontium aluminate powders in the photocatalytic removal of dyes present in water 

      Benítez Guerrero, N S; Rolón Rodríguez, Y M; Peña Rodríguez, G (Reino Unido, 2021-06-04)
      The removal of Iris No. 17 fabric dye in water using strontium aluminate powders doped with europium and dysprosium, and the radiation from an ultraviolet C lamp during photocatalysis, is reported. The degradation of the ...
    • Water treatment using porous ceramics based on recycled diatomite and kaolin 

      MOGOLLON CUELLAR, ZULMA YARLEY; Silva Rivero, Yobana Iris Ney; Peña Rodriguez, Gabriel (Contemporary Engineering SciencesSofia , Bulgaria, 2018-09-06)
      The treatment of waters using filtering process through sintered porous ceramics based on diatomite and kaolin is reported. The water samples were prepared in low = 50%, medium = 100% and high = 150% concentrations, ...
    • Wear and corrosion behaviour of Al2O3-TiO2 coatings produced by flame thermal projection 

      Hector Jaime, Dulce-Moreno; Ferrer, Martha; Vargas, Fabio (Journal of Physics: Conference SeriesBogota , Colombia, 2017-12-29)
      Evaluated the wear resistance and the coatings corrosion behaviour of Al2O3-TiO2 prepared by thermal spraying by flame on AISI 1020 carbon steel substrates, previously coated with an alloy base Ni. For this purpose, were ...