Browsing by Author "Yazdani-Pedram Zobeiri, Mehrdad"
Now showing items 21-40 of 47
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Gallegos Cofré, Moisés (Universidad de Chile, 2020)Se describe la síntesis de un material híbrido en base a grafeno y su caracterización. Este material híbrido consiste en la unión covalente entre grafeno y nanopartículas de titanato de estroncio. Esta unión, se ...
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Fernández, M. S.; Arias, J. I.; Martínez, M. J.; Saenz, L.; Neira Carrillo, Andrónico; Yazdani-Pedram Zobeiri, Mehrdad; Arias, J. L. (2012)The use of extracellular matrix (ECM) molecules from tissues is an interesting way to induce specific responses of cells grown onto composite scaffolds to promote adhesion, proliferation and differentiation. There have ...
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Yazdani-Pedram Zobeiri, Mehrdad; Calderon, Katia; Quijada Abarca, Juan (Sociedad Chilena de Quimica, 2000)Polypropylene (PP) was functionalized in solution by grafting with monomethyl itaconate (MMI) by using xylene and decalin as solvents and 2,5-dimethyl-2,5-bis(tert-buthylperoxy)hexane (Lup. 101 ) as radical initiator. The ...
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Yazdani-Pedram Zobeiri, Mehrdad; Vega, Héctor; Quijada Abarca, Juan (Wiley-VCH Verlag, 1996)Grafting of polypropylene was carried out in both boiling xylene and decalin as solvent medium with itaconic acid (2-methylenesuccinic acid) as functional polar monomer using 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane ...
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Avilés, Francis; Cauich Rodríguez, Juan V.; Toro Estay, Patricio; Yazdani-Pedram Zobeiri, Mehrdad; Aguilar Bolados, Héctor (Elsevier, 2017)A review of carbon nanotube (CNT) functionalization methods to improve the interfacial interactions with polymers is addressed. The most common CNT functionalization methods to address the issue of interfacial interactions ...
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Folch Cano, Christian; Yazdani-Pedram Zobeiri, Mehrdad; Olea Azar, Claudio (MDPI AG, 2014)© 2014 Molecules. The numerous hydroxyl groups available in cyclodextrins are active sites that can form different types of linkages. They can be crosslinked with one another, or they can be derivatized to produce monomers ...
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Aguilar Bolados, Héctor; Yazdani-Pedram Zobeiri, Mehrdad; Contreras Cid, Ahirton; López Manchado, Miguel; May Pat, Alejandro; Avilés, F. (Elsevier Ltd, 2017)© 2016 Elsevier Ltd The electrical and piezoresistive response of hybrid nanocomposites comprising a combination of few-layer thermally reduced graphite oxide (TRGO) and multiwall carbon nanotubes (MWCNTs) mixed with natural ...
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Aguilar Bolados, Héctor; Yazdani-Pedram Zobeiri, Mehrdad; Brasero, Justo; López Manchado, Miguel (Hindawi, 2015)The natural rubber (NR) latex consists of polymer particles charged negatively due to the adsorbed phospholipids and proteins molecules. The addition of stable aqueous suspension of thermally reduced graphite oxide (TRGO) ...
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Yazdani-Pedram Zobeiri, Mehrdad; Menzel, Cristian; Toro, Patricio; Quijada Abarca, Juan; May-Pat, Alejandro; Avilés, Francis (2013)Multi-walled carbon nanotubes (CNTs) are functionalized with itaconic acid (IA) and its derivative, monomethylitaconate (MMI), to prepare CNT/isotactic polypropylene (PP) composites. To promote dispersion and improved ...
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Tapia, Cristián; Montezuma, Víctor; Yazdani-Pedram Zobeiri, Mehrdad (2008)The aim of this work was to develop a procedure for encapsulation of diltiazem HCl by spray coagulation. Factors affecting the formulations such as the effect of NaCl on the solubility of diltiazem in alginate solution, ...
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Fonseca, C.; Araneda, C.; Yazdani-Pedram Zobeiri, Mehrdad; Borrmann, T.; Basualto, C.; Sapag, J.; Valenzuela, F. J. (Sociedad Chilena de Química, 2010)The microencapsulation of the non-specific basic extractant trioctylamine in polymeric matrices synthesized from styrene and divinylbenzene was studied. The microcapsules were prepared by adding the amine compound during ...
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Contreras Cid, Ahirton Alexsnay (Universidad de Chile, 2018)En la presente se describe un procedimiento para la obtención de nanocompositos de grafeno fluorado/polidimetilsiloxano, donde aquel con contenido de 7 % de grafeno fluorado presentó permitividad dieléctrica y elongación ...
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Ruz Sepúlveda, Camila Paz (Universidad de Chile, 2018)El copolímero en bloque de estireno-etileno-butileno-estireno (SEBS) se caracteriza, entre otros aspectos, por ser un elastómero dieléctrico (ED). Los EDs se han empleado en el desarrollo de dispositivos capaces de imitar ...
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Preparation and bioactive properties of nano bioactive glass and segmented polyurethane composites Aguilar Perez, Fernando; Vargas Coronado, Rossana; Cervantes Uc, Jose; Cauich Rodriguez, Juan; Covarrubias Gallardo, Cristián; Yazdani-Pedram Zobeiri, Mehrdad (SAGE PUBLICATIONS, 2016)Composites of glutamine-based segmented polyurethanes with 5 to 25wt.% bioactive glass nanoparticles were prepared, characterized, and their mineralization potential was evaluated in simulated body fluid. Biocompatibility ...
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Covarrubias Gallardo, Cristián; Bejarano Narváez, Julián; Maureira Vargas, Miguel; Tapia P., Cecilia; Díaz Dosque, Mario; Rodríguez Vives, Juan Pablo; Palza Cordero, Humberto; Lund Plantat, Fernando; Von Marttens Castro, Alfredo; Caviedes Fernández, Pablo; Yazdani-Pedram Zobeiri, Mehrdad (Sage, 2022)The aim of this study was to explore the preparation of porous nanocomposite scaffolds with simultaneous osteogenic - antibacterial properties by incorporating copper - doped bioactive glass nanoparticles into Poly ...
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González, Dario M.; Quijada Abarca, Juan; Yazdani-Pedram Zobeiri, Mehrdad; Paulo Lourenco, Joao; Rosario Ribeiro, M. (2016)MCM-41 nanoparticles were used for preparing nanocomposites through the in situ polymerization of propylene. The performance of the catalytic system and the final properties of the materials obtained are highly dependent ...
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Vargas Astudillo, Daniela Rocío (Universidad de Chile, 2017)Se describe un sencillo método de aminación reductiva, basado en la reacción de Leuckart. Este método permite no sólo la reducción del óxido de grafito, sino que también da lugar a grafeno funcionalizado con grupos amina, ...
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Maldonado Magnere, Santiago Ignacio (Universidad de Chile, 2020)Los elastómeros termoplásticos son polímeros sintéticos que presentan excelentes propiedades elásticas y pueden ser procesados como termoplásticos convencionales. Entre estos se destacan dos familias: elastómeros termoplásticos ...
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Tapia, Cristián; Ormazabal, Víctor; Costa, Edda; Yazdani-Pedram Zobeiri, Mehrdad (2007)The aim of this work was to develop prolonged diltiazem hydrochloride release matrices based on alginate-gelatin mixtures and establish the drug release mechanism. The erosion, swelling, and dissolution behavior of the ...
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Tapia, Cristián A.; Ormazabal, Víctor; Costa, Edda; Yazdani-Pedram Zobeiri, Mehrdad (TAYLOR & FRANCIS INC, 2007-06)The aim of this work was to develop prolonged diltiazem hydrochloride release matrices based on alginate-gelatin mixtures and establish the drug release mechanism. The erosion, swelling, and dissolution behavior of the ...