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Listar por autor "VILCHIS NESTOR, ALFREDO RAFAEL"

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  • Biogenic Silver Nanoparticles as Sensors of Cu2+ and Pb2+ in Aqueous Solutions 
    SILVA DE HOYOS, LUISA ELENA; Sánchez Mendieta, Víctor; VILCHIS NESTOR, ALFREDO RAFAEL; CAMACHO LOPEZ, MIGUEL ANGEL (Universal Journal of Materials Science, 2017-02-21)
    Silver nanoparticles (Ag-NPs) were bio-synthesized using Camellia sinensis (green tea) aqueous extract. Nanoparticles prepared with 10-3 M AgNO3 solution, using 3mL of green tea extract and at 60˚C, have spherical shape ...
  • Bionannotechnology: Silver nanoparticles supported on bovine powder used as bactericide 
    GAMA LARA, SERGIO ARTURO; Pérez Mendoza, Martha Stephanie; VILCHIS NESTOR, ALFREDO RAFAEL; NATIVIDAD RANGEL, REYNA (MDPI, 2020-01-18)
    Bionanotechnology is a relatively new term that implies the use of some biological material or organisms in order to prepare nanosystems or nanoparticles. This work presents the preparation and bactericide application of ...
  • Biosíntesis de nanopartículas de oro mediante el extracto de Opuntia ficus-indica 
    RICO MOCTEZUMA, ADRIANA; VILCHIS NESTOR, ALFREDO RAFAEL; Sánchez Mendieta, Víctor; AVALOS BORJA, MIGUEL; CAMACHO LOPEZ, MIGUEL ANGEL (Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C., 2010)
  • Biosynthesis of silver nanoparticles using chenopodium ambrosioides 
    CARRILLO LOPEZ, LUIS MANUEL; ZAVALETA MANCERA, HILDA ARACELI; VILCHIS NESTOR, ALFREDO RAFAEL; Soto Hernández, Ramón Marcos; ARENAS ALATORRE, JESUS ANGEL; TREJO TELLEZ, LIBIA IRIS; GOMEZ MERINO, FERNANDO CARLOS (Xuping Sun, 2014-11-25)
    Biosynthesis of silver nanoparticles (AgNPs) was achieved using extract of Chenopodium ambrosioides as a reducer and coating agent at room temperature (25∘C). Two molar solutions of AgNO3 (1 mM and 10 mM) and fie extract ...
  • Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM 
    Sánchez Mendieta, Víctor; Solís Casados, Dora Alicia; VILCHIS NESTOR, ALFREDO RAFAEL (UNAM, 2016-10-05)
    Se describe brevemente el origen del Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM (CCIQS). Se presentan principalmente las actividades científicas que se desarrollan en este centro relacionadas con la ...
  • Cu(II) adsorption from aqueous solutions using the inner and outer portions of sugarcane bagasse 
    TOLEDO JALDIN, HELEN PAOLA; BLANCO FLORES, ALIEN; LOPEZ TELLEZ, GUSTAVO; VILCHIS NESTOR, ALFREDO RAFAEL; Sánchez Mendieta, Víctor; MORALES ALMARAZ, ERNESTO; MEJIA URIBE, LUIS ALBERTO (Research on Chemical Intermediates, 2018-06-13)
    In the present work, the adsorption capacity of internal and external portions of treated sugarcane bagasse (SCB) to remove Cu(II) from aqueous solution was evaluated. In order to reuse this solid waste as an effective ...
  • Desarrollo de un absorbedor plasmónico: evaluación como material termosolar 
    OLEA MEJIA, OSCAR FERNANDO; VILCHIS NESTOR, ALFREDO RAFAEL; MARTINEZ ZUNIGA, EDUARDO CARLOS; Camacho López, Marco Antonio; ESTRADA FLORES, MIRIAM (Universidad Autónoma del Estado de Hidalgo, 2021-12-12)
    El desarrollo de nuevos materiales que tengan la capacidad de absorber un amplio rango de longitud de onda, del espectro electromagnético, nos permitirá mejorar la eficiencia de las celdas termosolares. El uso de absorbedores ...
  • Ether gas-sensor based on Au nanoparticles-decorated ZnO microstructures 
    López, Roberto; VIGUERAS SANTIAGO, ENRIQUE; VILCHIS NESTOR, ALFREDO RAFAEL; CASTREJON SANCHEZ, VICTOR HUGO; CAMACHO LOPEZ, MARCO ANTONIO; TORRES GOMEZ, NAYELY (Results in Physics, 2017-05-22)
    An ether gas-sensor was fabricated based on gold nanoparticles (Au-NPs) decorated zinc oxide microstructures (ZnO-MS). Scanning electron microscope (SEM) and high-resolution transmission elec- tron microscope (HRTEM) ...
  • Facile solventless synthesis of a nylon-6,6/silver nanoparticles composite and its XPS study 
    MORALES LUCKIE, RAUL ALBERTO; Sánchez Mendieta, Víctor; Olea-Mejia, Oscar F.; VILCHIS NESTOR, ALFREDO RAFAEL; LOPEZ TELLEZ, GUSTAVO; VARELA GUERRERO, VICTOR; HUERTA ARCOS, LAZARO; ARENAS ALATORRE, JESUS ANGEL (Hindawi Publishing Corporation, 2013-04-09)
    Silver nanoparticles were synthesized and supported on thin nylon membranes by means of a simple method of impregnation and chemical reduction of Ag ions at ambient conditions. Particles of less than 10nm were obtained ...
  • Influence of pH on properties of ZnS thin films deposited on SiO2 substrate by chemical bath deposition 
    LUQUE MORALES, PRISCY ALFREDO; CASTRO BELTRAN, ANDRES; VILCHIS NESTOR, ALFREDO RAFAEL; OLIVAS SARABIA, AMELIA; Quevedo López, Manuel Ángel (Elsevier B.V., 2014-11-13)
    This work focuses on the study of zinc sulfide (ZnS) thin films prepared by chemical bath deposition. The effect of the pH ranging from 10.0 to 10.75 on quality of ZnS thin films on SiO2 substrate is investigated. The ...
  • nanoestructuras metálicas 
    LOPEZ TELLEZ, GUSTAVO; MORALES LUCKIE, RAUL ALBERTO; OLEA MEJIA, OSCAR FERNANDO; SANCHEZ MENDIETA, VICTOR; TRUJILLO REYES, JESICA; VARELA GUERRERO, VICTOR; VILCHIS NESTOR, ALFREDO RAFAEL (REVERTÉ EDICIONES, S. A. DE C. V., 2013)
    El desarrollo de la tecnología siempre ha estado íntimamente relacionado con las necesidades del ser humano por controlar su entorno y los fenómenos naturales, esto con el objeto de lograr una mejor calidad de vida para ...
  • Novel tuffite/Fe-Cu oxides nanocomposite with functionality for dye removal in aqueous solution 
    BLANCO FLORES, ALIEN; Sánchez Mendieta, Víctor; Gutiérrez Segura, Edith Eriela; VILCHIS NESTOR, ALFREDO RAFAEL; MORALES LUCKIE, RAUL ALBERTO (Journal of Environmental Chemical Engineering, 2016-10-04)
    Fe-Cu oxides nanoparticles were embedded on tuffite (TUF) mineral by means of a simple immersion-ion impregnation, followed by a reduction reaction, methodology. TUF/Fe-Cu nanocomposite characteristics were investigated ...
  • Obtención y caracterización de nanopartículas de plata soportadas en fibra de algodón 
    LOPEZ ITURBE, JAQUELINA; VILCHIS NESTOR, ALFREDO RAFAEL; Sánchez Mendieta, Víctor; AVALOS BORJA, MIGUEL (Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C., 2013)
    En este trabajo se prepararon biocompositos de nanopartículas de plata utilizando fibra de algodón como soporte y Camellia sinensis como agente reductor. Para la preparación de los biocompositos primero se llevó a cabo la ...
  • Plasmonic and fluorescent sensors of metal ions in water based on biogenic gold nanoparticles 
    SILVA DE HOYOS, LUISA ELENA; Sánchez Mendieta, Víctor; CAMACHO LOPEZ, MIGUEL ANGEL; Trujillo Reyes, Jesica; VILCHIS NESTOR, ALFREDO RAFAEL (Arabian Journal of Chemistry, 2020-01-14)
    Gold nanoparticles (AuNPs) were synthesized using a rapid, single step, and completely green biosynthetic method employing aqueous Citrus paradisi (grapefruit) extract, which was used as both the reducing and capping agent. ...
  • Plasmonic Sensing of Aqueous-Divalent Metal Ions by Biogenic Gold Nanoparticles 
    SILVA DE HOYOS, LUISA ELENA; Sánchez Mendieta, Víctor; VILCHIS NESTOR, ALFREDO RAFAEL; CAMACHO LOPEZ, MIGUEL ANGEL; Trujillo Reyes, Jesica; AVALOS BORJA, MIGUEL (Journal of Nanomaterials, 2019-02-17)
    The chemical interaction between biogenic gold nanoparticles (AuNPs) and several metal (II) ions can be regarded as a practical, twofold, colorimetric, and plasmon resonance sensing method for the recognition of some ...
  • Preparation of zinc peroxide nanoparticles by laser ablation of solid in liquids 
    PALMA PALMA, HECTOR EMMANUEL; CAMACHO LOPEZ, MARILU; CAMACHO LOPEZ, MIGUEL ANGEL; VILCHIS NESTOR, ALFREDO RAFAEL (Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C., 2015)
    In the last decade, there has been interest on the synthesis and characterization of Zinc peroxide (ZnO2) due to its potential applications as biocide, bactericide, inorganic oxidant and so on. ZnO2 can be obtained as a ...
  • Reuse of sustainable materials for xylenol orange dye and copper (II) ion ammoniacal removal 
    Garrudo Guirado, Miguel Angel; BLANCO FLORES, ALIEN; TOLEDO JALDIN, HELEN PAOLA; Sánchez Mendieta, Víctor; VILCHIS NESTOR, ALFREDO RAFAEL (Journal of Environmental Management, 2018-01-05)
    Water pollution caused by heavy metals and organic compounds is an environmental problem with negative impact, making the restoration of water quality a priority. In this paper, the adsorption of xylenol orange dye (XO) ...
  • Shape Tuning of Magnetite Nanoparticles Obtained by Hydrothermal Synthesis: Effect of Temperature 
    TORRES GOMEZ, NAYELY; NAVA VILCHIS, ERICK OSVALDO; ARGUETA FIGUEROA, LILIANA; GARCIA CONTRERAS, RENE; Baeza Barrera, Armando; VILCHIS NESTOR, ALFREDO RAFAEL (Journal of Nanomaterials, 2019-02-17)
    In this work, we present a simple and efficient method for pure phase magnetite (Fe3O4) nanoparticle synthesis. The phase structure, particle shape, and size of the samples were characterized by Raman spectroscopy (Rm), ...
  • Síntesis De Nanopartículas De Platino Por Métodos Químicos Y Biológicos Soportadas En Hueso De Bovino Y Su Evaluación Catalítica En La Reacción De 2-Butino-1,4-Diol A 2-Buteno-1,4-Diol 
    GAMA LARA, SERGIO ARTURO (Universidad Autónoma del Estado de México, 2016-08-19)
    The purpose of this study was to synthesize monodispersed platinum nanoparticles on a bovine bone which is a renewable bio-support, at low cost. This support has not been previously reported. In addition, this support was ...
  • Síntesis de puntos cuánticos de CdTe mediante la técnica de ablación láser de sólidos en líquidos 
    Camacho López, Marco Antonio; CAMACHO LOPEZ, MIGUEL ANGEL; Reyes Contreras, Delfino; MAYORGA ROJAS, MIGUEL; DIAZ SANCHEZ, LUIS ENRIQUE; Reyes Contreras, Adela; ARRIETA CASTAÑEDA, ALMA MIREYA; VILCHIS NESTOR, ALFREDO RAFAEL; CAMACHO LOPEZ, SANTIAGO (Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C., 2014)
    En este trabajo se presentan resultados sobre la caracterización de puntos cuánticos (PCs) en un medio líquido (acetona) obtenidos por ablación láser a partir de un blanco de Teluro de Cadmio (CdTe). La ablación de CdTe ...

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