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Ramos Guivar Juan Adrián
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Vacancy ordered γ-Fe2O3 nanoparticles functionalized with nanohydroxyapatite: XRD, FTIR, TEM, XPS and Mössbauer studies
JAR Guivar, EA Sanches, F Bruns, E Sadrollahi, MA Morales, EO López, ...
Applied surface science 389, 721-734, 2016
1212016
Structural and Magnetic Properties of Monophasic Maghemite (γ-Fe2O3) Nanocrystalline Powder
JAR Guivar, AI Martínez, AO Anaya, LDLS Valladares, LL Félix, ...
Advances in Nanoparticles 2014, 2014
852014
Magnetic, structural and surface properties of functionalized maghemite nanoparticles for copper and lead adsorption
JAR Guivar, E Sadrollahi, D Menzel, EG Ramos, A Arencibiaf, ...
RSC Advances 7, 28763-28779, 2017
632017
Preparation and characterization of cetyltrimethylammonium bromide (CTAB)-stabilized Fe3O4 nanoparticles for electrochemistry detection of citric acid
JAR Guivar, EA Sanches, CJ Magon, EGR Fernandes
Journal of Electroanalytical Chemistry 755, 158-166, 2015
552015
Mössbauer study of intermediate superparamagnetic relaxation of maghemite (γ-Fe 2 O 3 ) nanoparticles
JA Ramos Guivar, A Bustamante, J Flores, M Mejía Santillan, AM Osorio, ...
Hyperfine Interactions 224, 89-97, 2014
552014
Adsorption of arsenite and arsenate on binary and ternary magnetic nanocomposites with high iron oxide content
JAR Guivar, A Bustamante, JC Gonzalez, EA Sanches, MA Morales, ...
Applied Surface Science 454, 87-100, 2018
542018
Strain and Grain Size Determination of CeO2 and TiO2 Nanoparticles: Comparing Integral Breadth Methods versus Rietveld, μ-Raman, and TEM
Y Canchanya-Huaman, AF Mayta-Armas, J Pomalaya-Velasco, ...
Nanomaterials 11 (9), 2311, 2021
442021
A peroxidase biomimetic system based on Fe3O4 nanoparticles in non-enzymatic sensors
JAR Guivar, EGR Fernandes, V Zucolotto
Talanta 141, 307-314, 2015
442015
Differentiating nanomaghemite and nanomagnetite and discussing their importance in arsenic and lead removal from contaminated effluents: A critical review
JA Ramos-Guivar, DA Flores-Cano, E Caetano Passamani
Nanomaterials 11 (9), 2310, 2021
422021
Improved removal capacity and equilibrium time of maghemite nanoparticles growth in zeolite type 5A for Pb (II) adsorption
JA Ramos-Guivar, K Taipe, MA Schettino Jr, E Silva, MA Morales Torres, ...
Nanomaterials 10 (9), 1668, 2020
312020
Effect of EDTA organic coating on the spin canting behavior of maghemite nanoparticles for lead (II) adsorption
JA Ramos-Guivar, EO Lopez, JM Greneche, FJ Litterst, EC Passamani
Applied Surface Science 538, 148021, 2021
282021
γ-Fe2O3 nanoparticles embedded in nanohydroxyapatite matrix for magnetic hyperthermia and in vitro osteoblast cell studies
JA Ramos-Guivar, MA Morales, FJ Litterst
Ceramics International 46 (8), 10658-10666, 2020
222020
Superspinglass behavior of maghemite nanoparticles dispersed in mesoporous silica
JA Ramos-Guivar, AC Krohling, EO López, FJ Litterst, EC Passamani
Journal of Magnetism and Magnetic Materials 485, 142-150, 2019
162019
Rietveld refinement, μ-Raman, X-ray photoelectron, and Mössbauer studies of metal oxide-nanoparticles growth on multiwall carbon nanotubes and graphene oxide
JA Ramos-Guivar, JC Gonzalez-Gonzalez, FJ Litterst, EC Passamani
Crystal Growth & Design 21 (4), 2128-2141, 2021
142021
Superspinglass state in functionalized zeolite 5A-maghemite nanoparticles
JA Ramos-Guivar, EC Passamani, J Litterst
AIP Advances 11 (3), 2021
142021
Magnetic simulations of core–shell ferromagnetic bi-magnetic nanoparticles: The influence of antiferromagnetic interfacial exchange
JA Ramos-Guivar, CA Tamanaha-Vegas, FJ Litterst, EC Passamani
Nanomaterials 11 (6), 1381, 2021
102021
Suppression of exchange bias effect in maghemite nanoparticles functionalized with H2Y
JA Ramos Guivar, MA Morales, F Jochen Litterst
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 420, 324-335, 2016
102016
Improvement of the thermal stability of nanomaghemite by functionalization with type 5A zeolite and magnetic properties studied by in-field 57Fe Mössbauer measurements
JA Ramos-Guivar, JY Zarria-Romero, IL Castro-Merino, JM Greneche, ...
Journal of Magnetism and Magnetic Materials 552, 169241, 2022
92022
Ecotoxicological properties of functionalized magnetic graphene oxide and multiwall carbon nanotubes in Daphnia magna
JY Zarria-Romero, JA Ocampo-Anticona, CN Pinotti, EC Passamani, ...
Ceramics International 49 (10), 15200-15212, 2023
72023
Ecotoxicological Properties of Titanium Dioxide Nanomorphologies in Daphnia magna
F Mendoza-Villa, NR Checca-Huaman, JA Ramos-Guivar
Nanomaterials 13 (5), 927, 2023
72023
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