Search Results - "Passamani, Edson C"

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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Synthesis and Characterization of Maghemite Nanoparticles Functionalized with Poly(Sodium 4-Styrene Sulfonate) Saloplastic and Its Acute Ecotoxicological Impact on the Cladoceran Daphnia magna by Ramos-Guivar, Juan A, Rueda-Vellasmin, Renzo, Manrique-Castillo, Erich V, Mendoza-Villa, F, Checca-Huaman, Noemi-Raquel, Passamani, Edson C

“…Using a modified co-precipitation method, 11(2) nm γ-Fe O nanoparticles functionalized with PSSNa [Poly(sodium 4-styrenesulfonate)] saloplastic polymer were…”
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Biosynthesis and Characterization of Iron Oxide Nanoparticles Using Chenopodium quinoa Extract by Marcos-Carrillo, Mercedes Del Pilar, Checca-Huaman, Noemi-Raquel, Passamani, Edson C, Ramos-Guivar, Juan A

“…In this study, we achieved the biosynthesis of novel 7-8 nm iron-oxide nanoparticles in the presence of different concentrations (5 to 50% / ) of commercial…”
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Towards the Analytical Generalization of the Transcendental Energy Equation, Group Velocity, and Effective Mass in One-Dimensional Periodic Potential Wells with a Computational Application to Common Coupled Potentials by Mendoza-Villa, F., Manrique-Castillo, Erich V., Passamani, Edson C., Ramos-Guivar, Juan A.

“…The analytical generalization for N periodic potential wells coupled to a probe rectangular-like potential and a zero potential is extremely important in the…”
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Spin-Glass Transitions in Zn1-xFexO Nanoparticles by Felipe S. Tupan, Lilian, Valerio-Cuadros, Marlon I., Oliveira, Aline Alves, Barco, Reginaldo, Ivashita, Flávio Francisco, Lopes, Lutiene F., Passamani, Edson C., Paesano, Andrea

“…Monophasic Zn1-xFexO nanoparticles with wurtzite structure were synthesized in the 0 ≤ x ≤ 0.05 concentration range using a freeze-drying process followed by…”
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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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AC Susceptibility Studies under DC Fields in Superspinglass Nanomaghemite-Multiwall Carbon Nanotube Hybrid by Ramos-Guivar, Juan A., Litterst, F. Jochen, Passamani, Edson C.

“…Magnetic properties of maghemite (γ-Fe2O3) nanoparticles grown on activated multiwall carbon nanotubes have been studied by alternating current (AC) magnetic…”
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Magnetic Simulations of Core–Shell Ferromagnetic Bi-Magnetic Nanoparticles: The Influence of Antiferromagnetic Interfacial Exchange by Ramos-Guivar, Juan A., Tamanaha-Vegas, Carlo A., Litterst, Fred Jochen, Passamani, Edson C.

“…Magnetic properties of ferromagnetic nanostructures were studied by atomistic simulations following Monte Carlo and Landau–Lifshitz–Gilbert approaches. First,…”
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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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Synthesis of nanostructured iron oxides and study of the thermal crystallization process using DSC and in situ XRD experiments by Darabian, Lyane M., Gonçalves, Gustavo R., Schettino, Miguel A., Passamani, Edson C., Freitas, Jair C.C.

“…Using a coprecipitation route in aqueous medium with different precipitating agents (NH4OH and NaOH), iron-oxide nanostructures were prepared with distinct…”
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Increasing the Magnetic Order Temperature in Co3O2BO3:In Ludwigite by Mariano, Davor L., Candela, Dalber Ruben S., Freitas, Daniele C., Trujillo, Algúrio Z., Passamani, Edson C., Continentino, Mucio A., Ghivelder, Luis

“…Below 42 K, the homometallic Co3O2BO3 ludwigite forms magnetic planes separated by nonmagnetic low-spin Co3+ ions. The substitution of Co3+ by other…”
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Improvement of the thermal stability of nanomaghemite by functionalization with type 5A zeolite and magnetic properties studied by in-field 57Fe Mössbauer measurements by Ramos-Guivar, Juan A., Zarria-Romero, Jacquelyne Y., Castro-Merino, Isabel-Liz, Greneche, Jean-Marc, Passamani, Edson C.

“…•γ to α-Fe2O3 structural transformation occurs for laser power higher than 4.14 mW.•Zeolite type 5A improves thermal stability of nanomaghemite under laser…”
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A new magnetic composite with potential application in boron adsorption: Development, characterization, and removal tests by Pinotti, Camila N., de Souza, Luana M., Marques, Willbrynner P., Proveti, José R.C., Jesus, Honério C., Freitas, Jair C.C., Porto, Paulo S.S., Muniz, Eduardo P., Passamani, Edson C.

“…In this work, a new magnetic composite, with good performance in the adsorption of boron from aqueous solutions, is proposed. The composite was prepared from…”
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Mössbauer studies of core-single-shell and core-double-shell polymer functionalized magnetic nanoparticles by Rueda-Vellasmin, Renzo, Checca-Huaman, Noemi-Raquel, Passamani, Edson C., Litterst, F. Jochen, Ramos-Guivar, Juan A.

“…Two different magnetic core–shell nanohybrids, i) single coated magnetic nanoparticles (NPs) with polyacrylonitrile (PAN) and ii) doubly coated with SiO 2 and…”
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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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Medium scale-up synthesis of nanomaghemite as an inhibitor of cadmium uptake in seedlings of Theobroma cacao L by Arias-Contreras, Mayra A., Checca-Huaman, Noemi-Raquel, Arévalo-Gardini, Enrique, Arévalo-Hernández, Cesar O., Passamani, Edson C., Ramos-Guivar, Juan A.

“…The aim of this research was to show that the absorption of divalent cadmium ions (Cd2+) in Theobroma cacao L. seedlings can be controlled and adjusted by…”
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In-Field 57Fe Mössbauer study of maghemite nanoparticles functionalized multiwall carbon nanotubes and their ecotoxicological properties in young Daphnia magna by Huertas-Chambilla, Melissa Y., Moyano-Arocutipa, María F., Zarria-Romero, Jacquelyne Y., Checca-Huaman, Noemi-Raquel, Passamani, Edson C., Arencibia, Amaya, Ramos-Guivar, Juan A.

“…Multiwall carbon nanotubes functionalized with 13.8(6) nm maghemite nanoparticles (NPs) have been synthesized by a modified co-precipitation chemical route and…”
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