Search Results - "Leyva, Maria Elena"

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  1. 1

    Higher Electrical Conductivity of Functionalized Graphene Oxide Doped with Silver and Copper (II) Ions by Pereira, Nelson Gustavo Alves, Gonzaléz, Maria Elena Leyva, Queiroz, Alvaro Antonio Alencar de, Oliveira, Adhimar Flávio, Tavares Wanderley Neto, Estácio

    Published in Energies (Basel) (01-10-2023)
    “…This study presents a new methodology for graphene oxide (GO) synthesis through electrochemical exfoliation of graphite, followed by phthalic anhydride…”
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  2. 2

    Synergistic electrochemical method to prepare graphene oxide/polyaniline nanocomposite by Pereira, Eric Luiz, Gama, Anderson, González, Maria Elena Leyva, Oliveira, Adhimar Flávio

    Published in Polímeros, ciência e tecnologia (01-01-2023)
    “…Abstract Graphene oxide (GO) was electropolymerized with polyaniline (PANI) during graphite exfoliation in 0.1 M H2SO4 electrolyte and 0.1 M aniline monomer…”
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  3. 3

    Poly(vinyl alcohol)/poly(glycerol) dendrimer hydrogel mediated green synthesis of silver nanoparticles by Marcondes, Pollyana, Rosas, Gisela Helou, González, Maria Elena Leyva, Queiroz, Alvaro Antonio Alencar de, Marques, Paulo Sergio

    Published in Polímeros, ciência e tecnologia (01-01-2022)
    “…Abstract In this paper, we report the synthesis and evaluation of a poly(vinyl alcohol)/poly(glycerol) dendrimer hydrogel incorporated with green synthesized…”
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  4. 4

    Epoxy networks for medicine applications: Mechanical properties and in vitro biological properties by Garcia, Filiberto González, Elena Leyva, Maria, Alencar de Queiroz, Alvaro Antonio, Zazuco Higa, Olga

    Published in Journal of applied polymer science (05-05-2009)
    “…This work describes the physicochemical, mechanical, and in vitro biological properties of three epoxy networks based on diglycidyl ether of bisphenol-A…”
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  5. 5

    Electrochemical preparation and characterization of PNIPAM-HAp scaffolds for bone tissue engineering by Ribeiro, Charlene Aparecida, Martins, Marcos Vinicius Surmani, Bressiani, Ana Helena, Bressiani, José Carlos, Leyva, Maria Elena, de Queiroz, Alvaro Antonio Alencar

    Published in Materials Science & Engineering C (01-12-2017)
    “…In the last decade, a variety of methods for fabrication of three-dimensional biomimetic scaffolds based on hydrogels have been developed for tissue…”
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  6. 6

    Biological properties of electrospun cellulose scaffolds from biomass by Friend, Debora Ferreira Laurito, Leyva González, Maria Elena, Caraballo, Mirta Mir, de Queiroz, Alvaro Antonio Alencar

    “…Nowadays the development of sustainable technologies for the effective production of polymeric materials that can be used as biomaterials will be of…”
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  7. 7

    Electropolymerization of polyaniline nanowires on poly(2-hydroxyethyl methacrylate) coated Platinum electrode by Medeiros, Maria Fernanda Xavier Pinto, Leyva, Maria Elena, Queiroz, Alvaro Antonio Alencar de, Maron, Liliam Becheran

    Published in Polímeros, ciência e tecnologia (01-01-2020)
    “…Abstract A platinum electrode (Pt) was coated with poly(2-hydroxyethyl methacrylate) (PHEMA) by electrochemical polymerization using chronopotentiometry…”
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  8. 8

    Thermoplastic elastomers blends based on linear low density polyethylene, ethylene-1-octene copolymers and ground rubber tire by Marisa Cristina Guimarães Rocha, Maria Elena Leyva, Marcia Gomes de Oliveira

    Published in Polímeros (01-01-2014)
    “…Blends of linear low density polyethylene (LLDPE) ethylene-1-octene copolymers (EOC), with different 1-octene (OC) content, and ground rubber tire (GRT) were…”
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  9. 9

    Probing the Epoxy Insulation of Smoothing Reactors With Graphene Ink by de Faria, Gabriel Henrique, Araujo, Livia C. dos Passos, Lopes, Gustavo P., Neto, Estacio T. Wanderley, Leyva, Maria Elena, de Queiroz, Alvaro A. A.

    “…Electrically conductive inks (ECIs) are up to now a growing research field, to create flexible circuits for power engineering. As a result, research into…”
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  10. 10

    Dielectric behavior of polyaniline synthesized by different techniques by Soares, Bluma G., Leyva, Maria Elena, Barra, Guilherme M.O., Khastgir, Dipak

    Published in European polymer journal (01-03-2006)
    “…Polyaniline doped with dodecylbenzenesulfonic acid (Pani.DBSA) was synthesized by different procedures: by a dedoping–redoping process, by one step inverted…”
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  12. 12

    Effect of Blend Preparation on Electrical, Dielectric, and Dynamical-Mechanical Properties of Conducting Polymer Blend: SBS Triblock Copolymer/Polyaniline by Soares, Bluma G., Leyva, Maria Elena

    Published in Macromolecular materials and engineering (12-03-2007)
    “…Conducting polymer blends based on styrene–butadiene–styrene (SBS) triblock copolymer and polyaniline doped with dodecylbenzene sulfonic acid (Pani.DBSA) were…”
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  13. 13

    Influence of chemical structure of hardener on mechanical and adhesive properties of epoxy polymers by González Garcia, Filiberto, Leyva, Maria Elena, Oliveira, Marcia Gomes, De Queiroz, Alvaro Antonio Alencar, Simões, Alexandre Zirpoli

    Published in Journal of applied polymer science (15-08-2010)
    “…The mechanical and adhesive properties of epoxy formulations based on diglycidyl ether of bisphenol A cured with various aliphatic amines were evaluated in the…”
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  14. 14

    Durability of adhesives based on different epoxy/aliphatic amine networks by González Garcia, Filiberto, Leyva, Maria Elena, Queiroz, Alvaro Antonio Alencar de, Simões, Alexandre Zirpoli

    “…The mechanical and adhesives properties of epoxy formulations based on diglycidyl ether of bisphenol A cured with various aliphatic amines were evaluated in…”
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  15. 15

    Influence of aliphatic amine epoxy hardener on the adhesive properties of blends of mono-carboxyl-terminated poly(2-ethylhexyl acrylate-co-methyl methacrylate) with epoxy resin by González Garcia, Filiberto, Soares, Bluma Guenther, Leyva, Maria Elena, Simões, Alexandre Zirpoli

    Published in Journal of applied polymer science (05-09-2010)
    “…The adhesive properties have been investigated in blends of mono‐carboxyl‐terminated poly(2‐ethylhexyl acrylate‐co‐methyl methacrylate) with diglycidyl ether…”
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  16. 16

    Electrical properties of the DGEBA/PANI-Ag composites by Leyva, Maria Elena, Garcia, Filiberto González, de Queiroz, Alvaro Antonio Alencar, Soares, Demétrio Artur Werner

    “…The metallopolymer polyaniline-silver (PANI-Ag) was synthesized and used as conductive filler in crosslinked diglycidyl ether of bisphenol A (DGEBA) epoxy…”
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  17. 17

    Dynamic-mechanical and dielectric relaxations of SBS block copolymer: polyaniline blends prepared by mechanical mixing by Leyva, Maria Elena, Soares, Bluma G, Khastgir b, Dipak

    Published in Polymer (Guilford) (01-12-2002)
    “…Blends of SBS with polyaniline doped with dodecylbenzenesulfonic acid (Pani·DBSA) or its deprotonated form (emeraldine base) were obtained by mechanical mixing…”
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  18. 18

    Ingestión y excreción de fluoruros en niños de Hermosillo, Sonora, México by María Isabel Grijalva Haro, María Elena Barba Leyva, Arturo Laborín Alvarez

    Published in Salud pública de México (2001)
    “…OBJETIVO: Estimar la ingestión de fluoruros (F-) y su relación con la excreción urinaria en un grupo de niños escolares de 8 y 9 años de edad. MATERIAL Y…”
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  19. 19

    Conductive polyaniline–SBS blends prepared in solution by Leyva, Maria Elena, Barra, Guilherme M.O., Soares, Bluma G.

    Published in Synthetic metals (24-09-2001)
    “…Conducting rubbery blends of styrene-butadiene-styrene (SBS) triblock copolymer and polyaniline doped with dodecylbenzenesulfonic acid (DBSA) were produced…”
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  20. 20

    Conducting SBS block copolymer-polyaniline blends prepared by mechanical mixing by Leyva, Maria Elena, Barra, Guilherme M. O., Gorelova, Marianna M., Soares, Bluma G., Sens, Marcio

    Published in Journal of applied polymer science (25-04-2001)
    “…Polyaniline was doped with dodecylbenzenesulfonic acid (Pani · DBSA) in an agate mortar and used as a conductive additive in melt blends with…”
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