Search Results - "Meléndez, Iván"

Poly(methacrylic acid)-modified medical cotton gauzes with antimicrobial and drug delivery properties for their use as wound dressings by Lumbreras-Aguayo, Angélica, Meléndez-Ortiz, H. Iván, Puente-Urbina, Bertha, Alvarado-Canché, Carmen, Ledezma, Antonio, Romero-García, Jorge, Betancourt-Galindo, Rebeca

“…[Display omitted] •Cotton gauzes were grafted with PMAA via free radical polymerization.•The PMAA content onto cotton gauzes could be tailored by varying…”
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Amine‐impregnated natural zeolite as filler in mixed matrix membranes for CO2/CH4 separation by Castruita‐de León, Griselda, Yeverino‐Miranda, Claudia Y., Montes‐Luna, Angel de J., Meléndez‐Ortiz, Hector Iván, Alvarado‐Tenorio, German, García‐Cerda, Luis Alfonso

“…ABSTRACT Flat mixed matrix membranes (MMMs) comprising polysulfone and clinoptilolite‐type natural zeolite were prepared by casting. Zeolite was modified with…”
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Gemini and Bicephalous Surfactants: A Review on Their Synthesis, Micelle Formation, and Uses by Guerrero-Hernández, Lluvia, Meléndez-Ortiz, Héctor Iván, Cortez-Mazatan, Gladis Y, Vaillant-Sánchez, Sandra, Peralta-Rodríguez, René D

“…The use of surfactants in polymerization reactions is particularly important, mainly in emulsion polymerizations. Further, micelles from biocompatible…”
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Adsorption performance of mesoporous silicas towards a cationic dye. Influence of mesostructure on adsorption capacity by Meléndez‐Ortiz, Hector Iván, Puente‐Urbina, Bertha, Mercado‐Silva, Jesus Alfonso, García‐Uriostegui, Lorena

“…The dye adsorption performance of four mesoporous silicas with different structure and textural properties, MCM‐41, MCM‐48, SBA‐15 and mesocellular silica foam…”
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Preparation of polybenzimidazole‐based mixed matrix membranes containing modified‐COK‐12 mesoporous silica and evaluation of the mixed‐gas separation performance by Castruita‐de León, Griselda, Montes‐Luna, Ángel de Jesús, Yeverino‐Miranda, Claudia Y., Alvarado‐Tenorio, Germán, Meléndez‐Ortiz, Héctor Iván, Pérez‐Camacho, Odilia, García‐Cerda, Luis Alfonso

“…This work reports the preparation and characterization of mixed matrix membranes (MMMs) based on mesoporous ordered COK‐12 silica modified with…”
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Modification of poly(tetrafluoroethylene) with polyallylamine by gamma radiation by Rosado, David, Meléndez-Ortiz, H. Iván, Ortega, Alejandra, Gallardo-Vega, Carlos, Burillo, Guillermina

“…The major challenge for tissue engineering is the development of biomaterials that possess suitable chemical, mechanical, and topographical properties for cell…”
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Synthesis and characterization of hydrogels based on maltodextrins with antimicrobial properties by Meléndez-Ortiz, H. Iván, Betancourt-Galindo, Rebeca, Puente-Urbina, Bertha, Ledezma, Antonio, Rodríguez-Fernández, Oliverio

“…In this work, hydrogels with antimicrobial activity based on the polysaccharide maltodextrin (MD) were prepared by copolymerization with either acrylic acid…”
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Synthesis and characterization of mesoporous silica-g-poly(hydroxyethylmethacrylate) nanohybrid particles as a drug delivery system by García-Uriostegui, L., Meléndez-Ortíz, H. Iván, Camacho-Villegas, T.A., Lugo-Fabres, P.H., Toriz, G.

“…Hybrid nanoparticles (MSiO2/TMSPMA-g-PHEMA) based on poly(hydroxyethylmethacrylate) (PHEMA) grafted onto mesoporous silica particles (MSiO2) were prepared…”
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Synthesis of spherical SBA-15 mesoporous silica. Influence of reaction conditions on the structural order and stability by Meléndez-Ortiz, H. Iván, Puente-Urbina, Bertha, Castruita-de Leon, Griselda, Mata-Padilla, José Manuel, García-Uriostegui, Lorena

“…The structural order and stability of spherical SBA-15 silicas synthesized under acid conditions were evaluated as a function of surfactant Pluronic 123…”
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Drug delivery system based on poly(ether‐block‐amide) and acrylic acid for controlled release of vancomycin by Ortega, Alejandra, Meléndez‐Ortiz, H. Iván, García‐Uriostegui, Lorena, Ávila‐Soria, Griselda

“…ABSTRACT Poly(ether‐block‐amide) (PEBA) films were grafted with acrylic acid (AAc) by gamma radiation, using the oxidative pre‐irradiation technique. The…”
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Composite based on poly(acrylic acid‐co‐itaconic acid) hydrogel with antibacterial performance by Carrillo‐Rodríguez, Juan Carlos, Meléndez‐Ortiz, Héctor Iván, Puente‐Urbina, Bertha, Padrón, Gabriela, Ledezma, Antonio, Betancourt‐Galindo, Rebeca

“…Novel composites have been prepared via the incorporation of zinc oxide nanoparticles (nZnO) into poly(acrylic acid‐co‐itaconic acid) (poly(AA‐co‐IA))…”
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Synthesis of amino-functionalized MCM-48 silica via direct co-condensation at room temperature by Castruita-de León, Griselda, Perera-Mercado, Yibran Argenis, García-Cerda, Luis Alfonso, Mercado-Silva, Jesús Alfonso, Meléndez-Ortiz, Héctor Iván, Olivares-Maldonado, Yeraldin, Alvarez-Contreras, Lorena

“…[Display omitted] •Ordered amino-functionalized MCM-48 silica was prepared in-situ at room temperature.•The effect of experimental conditions on the structural…”
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Synthesis and Characterization of a pH- and Temperature-Sensitive Fe3O4-SiO2-Poly(NVCL-co-MAA) Nanocomposite for Controlled Delivery of Doxorubicin Anticancer Drug by Sánchez-Orozco, Jorge Luis, Meléndez-Ortiz, Héctor Iván, Puente-Urbina, Bertha Alicia, Rodríguez-Fernández, Oliverio Santiago, Martínez-Luévanos, Antonia, García-Cerda, Luis Alfonso

“…This work reports the synthesis, characterization, and in vitro release studies of pH- and temperature-sensitive Fe3O4-SiO2-poly(NVCL-co-MAA) nanocomposite…”
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Polyamine-decorated mesocellular silica foam nanocomposites: Effect of the reaction parameters on the grafted polymer content and silica mesostructure by Meléndez-Ortiz, H. Iván, Puente-Urbina, Bertha, Castruita-de León, Griselda, Saucedo-Salazar, Esmeralda, Mercado-Silva, Jesús Alfonso, García-Cerda, Luis Alfonso

“…Polyvinylamine-coated mesocellular silica foam (MCF) was synthesized by grafting poly(n-vinylformamide) (PNVF) followed by the acid hydrolysis of the formamide…”
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Polymer-grafted mesocellular silica foams: Influence of reaction conditions on the mesostructure and polymer content by Meléndez-Ortiz, H. Iván, Saucedo-Zuñiga, Noé, Puente-Urbina, Bertha, Castruita-de León, Griselda, Mercado-Silva, J. Alfonso, Saucedo-Salazar, Esmeralda

“…Mesocellular silica foam (MCF) was synthesized and modified by grafting polyacrylamide (PAAm) onto its surface. Grafting process was carried out by free…”
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Preparation of stimuli-responsive nanogels of poly [2-(dimethylamino) ethyl methacrylate] by heterophase and microemulsion polymerization using gamma radiation by Meléndez-Ortiz, Héctor Iván, Peralta, René D., Bucio, Emilio, Zerrweck-Maldonado, Laura

“…Poly [2‐(dimethylamino) ethyl methacrylate], PDMAEMA, was synthesized by heterophase polymerization at 70°C using sodium dodecylsulfate (SDS) as stabilizer and…”
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Functionalization with amine-containing organosilane of mesoporous silica MCM-41 and MCM-48 obtained at room temperature by Meléndez-Ortiz, Héctor Iván, Perera-Mercado, Yibran, Mercado-Silva, Jesús Alfonso, Olivares-Maldonado, Yeraldin, Castruita, Griselda, García-Cerda, Luis Alfonso

“…Functionalized ordered MCM-41 and MCM-48 materials have been obtained by a post-grafting method using 3-aminopropyltrimethoxysilane (APS) as modifying agent…”
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Green Synthesis of Silver Nanoparticles Using Pecan Nut ( Carya illinoinensis ) Shell Extracts and Evaluation of Their Antimicrobial Activity by Neira-Vielma, Alberto Antonio, Meléndez-Ortiz, Héctor Iván, García-López, Josué Israel, Sanchez-Valdes, Saúl, Cruz-Hernández, Mario Alberto, Rodríguez-González, Josefina Guadalupe, Ramírez-Barrón, Sonia Noemí

“…Nowadays, the increase in bacteria resistant to multiple antibiotics has become a real threat to the human health, forcing researchers to develop new…”
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β-Cyclodextrin-functionalized mesocellular silica foams as nanocarriers of doxorubicin by Sánchez-Orozco, Jorge L., Puente-Urbina, Bertha, Mercado-Silva, J. Alfonso, Meléndez-Ortiz, H. Iván

“…In this work, the preparation of inclusion complexes by functionalizing mesocellular silica foam (MCF) with β-cyclodextrin (β-CD) is reported. Likewise, the…”
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Post-grafting and characterization of mesoporous silica MCM-41 with a thermoresponsive polymer TEVS/NIPAAm/β-cyclodextrin by García-Uriostegui, L., Meléndez-Ortiz, H. Iván, Toriz, Guillermo, Delgado, Ezequiel

“…[Display omitted] •MCM-41 was grafted with a thermoresponsive terpolymer TEVS/NIPAAm/βcyclodextrin.•Grafting increased when the NIPAAm/βcyclodextrin molar…”
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