Search Results - "Huaman, Noemi Raquel Checca"

Progress toward Room-Temperature Synthesis and Functionalization of Iron-Oxide Nanoparticles by Flores-Cano, Diego A, Checca-Huaman, Noemi-Raquel, Castro-Merino, Isabel-Liz, Pinotti, Camila N, Passamani, Edson C, Litterst, Fred Jochen, Ramos-Guivar, Juan A

“…Novel magnetic nanohybrids composed of nanomaghemite covered by organic molecules were successfully synthesized at room temperature with different…”
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Pb(II) Uptake from Polluted Irrigation Water Using Anatase TiO2 Nanoadsorbent by Vasquez-Caballero, Miguel A., Canchanya-Huaman, Yamerson, Mayta-Armas, Angie F., Pomalaya-Velasco, Jemina, Checca-Huaman, Noemi-Raquel, Bendezú-Roca, Yéssica, Ramos-Guivar, Juan A.

“…The adsorption characteristics of titanium dioxide nanoparticles (nano-TiO2) for the removal of Pb(II) from irrigation water were investigated in this work. To…”
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Synthesis of Vinyl Acetate Monomer Over PdCu Alloys: The Role of Surface Oxygenation in the Reaction Path by Gonzalez Caranton, Alberth Renne, Schmal, Martin, Checca Huaman, Noemi Raquel, da Silva Pinto, José Carlos

“…This work uses sol–gel and sonochemical methods to prepare bimetallic PdCu catalysts supported on modified ZrO2 with Ti and Al. The catalysts are tested for…”
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Synergetic effect between zeolite 5 A and maghemite nanoparticles for fast lead uptake from the Peruvian river Cumbaza: Study of surface adsorption mechanism using X-ray photoelectron spectroscopy by Ramos-Guivar, Juan A., Checca-Huaman, Noemi-Raquel, Litterst, F. Jochen, Passamani, Edson C.

“…A novel magnetic composite of zeolite 5A and maghemite nanoparticles has been synthesized at 300 K and its lead removal properties from the Peruvian river…”
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Ecotoxicological Properties of Titanium Dioxide Nanomorphologies in Daphnia magna by Mendoza-Villa, Freddy, Checca-Huaman, Noemi-Raquel, Ramos-Guivar, Juan A

“…In this work, the structural, vibrational, morphological, and colloidal properties of commercial 15.1 nm TiO nanoparticles (NPs) and nanowires (NWs, 5.6…”
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Microstructural analysis of phase precipitation during high temperature creep in AISI 310 stainless steel by Garcia, Julianna Magalhaes, Monteiro, Ana Carolina Accioly, Casanova, Andrey de Moraes Barcelos, Checca Huaman, Noemi Raquel, Monteiro, Sergio Neves, Brandao, Luiz Paulo

“…Stainless steels subjected to constant load at high temperature, such as under creep conditions, are known to develop microstructural changes including…”
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Surface Adsorption Mechanism between Lead(II,IV) and Nanomaghemite Studied on Polluted Water Samples Collected from the Peruvian Rivers Mantaro and Cumbaza by Ramos-Guivar, Juan A, Checca-Huaman, Noemi-Raquel, Litterst, F Jochen, Passamani, Edson C

“…Real water remediation is an important issue that requires the development of novel adsorbents with remarkable adsorption properties, permitting reusability…”
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Pyroclastic Dust from Arequipa-Peru Decorated with Iron Oxide Nanoparticles and Their Ecotoxicological Properties in Water Flea D. magna by Ramos-Guivar, Juan A, Alca-Ramos, Yacu V, Manrique-Castillo, Erich V, Mendoza-Villa, F, Checca-Huaman, Noemi-Raquel, Rueda-Vellasmin, Renzo, Passamani, Edson C

“…A novel magnetic composite made of Peruvian pyroclastic dust material decorated with maghemite nanoparticles was synthesized and characterized using a variety…”
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Ecotoxicological Properties of Pure and Phosphorus-Containing Graphene Oxide Bidimensional Sheets in Daphnia magna by Mendoza-Villa, F, Checca-Huaman, Noemi-Raquel, Costa, Tainara L G, Freitas, Jair C C, Ramos-Guivar, Juan A

“…In this work, the synthesis and structural, thermal, vibrational, morphological, and electronic characterization of 2D-like pure graphene oxide (GO) and…”
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Inhibition of Nickel (II) Mobility in Theobroma cacao L. Seedlings Using Zeolite 5A by Alca-Ramos, Yacu Vicente, Checca-Huaman, Noemi-Raquel, Arévalo-Gardini, Enrique, Arévalo-Hernández, Cesar O., Ramos-Guivar, Juan A.

“…In search of efficient solutions for the treatment of contaminated soils and in favor of the sustainable development of agriculture, this work aimed at…”
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Presence of Induced Weak Ferromagnetism in Fe-Substituted YFexCr1−xO3 Crystalline Compounds by Salazar-Rodriguez, Roberto, Aliaga Guerra, Domingo, Greneche, Jean-Marc, Taddei, Keith M., Checca-Huaman, Noemi-Raquel, Passamani, Edson C., Ramos-Guivar, Juan A.

“…Fe-substituted YFexCr1−xO3 crystalline compounds show promising magnetic and multiferroic properties. Here we report the synthesis and characterization of…”
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Raman, TEM, EELS, and Magnetic Studies of a Magnetically Reduced Graphene Oxide Nanohybrid following Exposure to Daphnia magna Biomarkers by Ramos-Guivar, Juan A, Zarria-Romero, Jacquelyne Y, Canchanya-Huaman, Yamerson, Guerra, Jorge Andres, Checca-Huaman, Noemi-Raquel, Castro-Merino, Isabel-Liz, Passamani, Edson C

“…A ternary nanocomposite made of nanomaghemite, nanoanatase, and graphene oxide has been successfully synthesized using an inorganic coprecipitation approach,…”
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Colossal superconducting spin-valve effect in superconductor-non-magnetic metal heterostructure mediated by spin–orbit coupling by Paschoa, Anderson, Gonzalez, Jorge L., Checca-Huaman, Noemi-Raquel, P. Nascimento, Valberto, C. Passamani, Edson

“…Nb/Pt and Nb/Cu nanohybrids were sputtered on Si(100) substrate and systematically studied by transmission electron microscopy and magneto-transport…”
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What role does Al3+ play in the methanol synthesis from CO2 hydrogenation using Cu/ZnO/Al catalysts? by da S. Bronsato, Bruna J., Souza, Eugenio F., Gonzalez, Guilherme G., Chagas, Luciano H., Zonetti, Priscila C., Mendoza, Cesar D., Raquel Checca Huaman, Noemi, de Avillez, Roberto R., Appel, Lucia G.

“…[Display omitted] •Al replaces Zn in the ZnO lattice, favoring the formation of oxygen vacancies (Vo);•The maximum methanol formation rate occurs when the…”
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Dibenzothiophene Hydrodesulfurization Performance Over Hierarchically Porous NiMoS(Si,Zr)/Al2O3 Catalysts by Puello-Polo, Esneyder, Checca-Huaman, Noemi-Raquel, Toloza, Carlos A. T., Santolalla-Vargas, Carlos E., Díaz, Yraida, Fals, Jayson, Mendoza, Cesar D., Stand, Neileth, Márquez, Edgar, Albis Arrieta, Alberto R., Garcia-Macedo, Jorge A., Méndez, Franklin J.

“…The effects of the synthesis method, dopant nature, and porosity on the dibenzothiophene hydrodesulfurization performance of hierarchically porous…”
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Fractal-like kinetics for enhanced boron adsorption on heterogeneous magnetic composite surfaces by Pinotti, Camila N., Ramos-Guivar, Juan A., Proveti, José R.C., Canchanya-Huaman, Yamerson, Arias-Contreras, Mayra-Alejandra, Checca-Huaman, Noemi-Raquel, Cipriano, Daniel F., Muniz, Eduardo P., Jesus, Honério C., Baabe, Dirk, Freitas, Jair C.C., Litterst, F. Jochen, Passamani, Edson C.

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Enhancing Catalytic Performance with Sol‐Gel Hydrotalcite‐Derived Nickel Oxide Catalysts for Dry Reforming of Methane: An Examination on Reactivity and Coke Formation by Gonzalez Caranton, Alberth Renne, Stavale, Fernando, Annese, Emilia, Gaioto, Carolina, Checca Huaman, Noemi Raquel, Assaf, José Mansur

“…Hydrotalcite‐based materials are preferred as catalysts due to their versatility and easiness of their synthesis. This work studies supported nickel catalysts…”
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In Situ and after Synthesis of Magnetic Nanoarchitectures Grown onto Zeolite Type 5A/CTAB Frameworks and Their Ecotoxicological Properties by Moyano-Arocutipa, María Fernanda, Zarria-Romero, Jacquelyne Y., Huertas-Chambilla, Melissa Ysabel, Checca-Huaman, Noemi-Raquel, Pino, José, Passamani, Edson C., Arencibia, Amaya, Ramos-Guivar, Juan A.

“…Controlled-size maghemite (γ-Fe2O3) nanoparticles (NPs) were functionalized with zeolite 5A and cetyltrimethylammonium bromide (CTAB) by the co-precipitation…”
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Ecotoxicological properties of functionalized magnetic graphene oxide and multiwall carbon nanotubes in Daphnia magna by Zarria-Romero, Jacquelyne Y., Ocampo-Anticona, Joao-Andre, Pinotti, Camila N., Passamani, Edson C., Checca-Huaman, Noemi-Raquel, Castro-Merino, Isabel-Liz, Pino, José, Shiga, Betty, Ramos-Guivar, Juan A.

“…In this investigation, we analyzed the nanotoxicity of two magnetic nanohybrids made of nanomaghemite dispersed in activated multiwall carbon nanotubes (JA1)…”
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Solution Combustion Synthesis of New Composites Based on Iron Oxide and Mango Waste for Heterogeneous Photocatalysis with UV and Solar Radiation by de Castro, Lucas Malone Ferreira, Huaman, Noemi Raquel Checca, da Guarda Souza, Marluce Oliveira

“…Materials based on iron oxide were prepared via a closed system solution combustion synthesis (IOP), evaluating the effect of adding mango seed husk (T), peel…”
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