Browsing by Author "Yazdani-Pedram Zobeiri, Mehrdad"
Now showing items 21-37 of 37
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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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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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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 ...
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Arada Pérez, María de los Angeles; Yazdani-Pedram Zobeiri, Mehrdad; Marín, Jorge; Planche, Alejandro Speck (2009)In this work an ESI is valued of the plasticized liquid membranes with 1-furoyl 3,3 diethylthiourea as ionophore (neutral portadore), tributyl phosphate as plasticizer and poly(vinyl chloride) as matrix on a sensitive ...
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Quijada Abarca, Juan; Guevara, Juan Luis; Yazdani-Pedram Zobeiri, Mehrdad; Galland, Griselda B.; Ribeiro, D. (SPRINGER-VERLAG, 2002-12)1-Octadecene (C18) was polymerized by using different metallocene catalysts. The rac-Et(Ind)(2)ZrCl2/MAO (I) and rac-Me2Si(Ind)(2)ZrCl2/MAO (III) presented the highest C, activity as compared with rac-Et(2-Me-Ind)(2)ZrCl2/MAO ...
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Aguilar, Héctor; Yazdani-Pedram Zobeiri, Mehrdad; Toro, Patricio; Quijada Abarca, Juan; López Manchado, Miguel (2014)Inorganic fillers such as CaCO3 and clays are widely used as fillers to improve the mechanical and physical properties of polypropylene (PP). With the aim of improving simultaneously the stiffness and yield stress of PP, ...
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Retuert, Jaime; Nuñez, Alicia; Martínez, Francisco; Yazdani-Pedram Zobeiri, Mehrdad (Wiley-VCH Verlag, 1997)This work reports the synthesis of a novel polymeric organic-inorganic hybrid. The inorganic component is a silica network obtained by controlled hydrolysis of tetraethyl orthosilicate via sol-gel process and the organic ...
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Tapia, Cristián; Molina, Sergio; Diaz, Alvaro; Abugoch James, Lilian; Díaz Dosque, Mario; Valenzuela, Fernando; Yazdani-Pedram Zobeiri, Mehrdad (2010)The effect of chitosan as internal or external coating on the mesalamine (5-ASA) release from calcium alginate microparticles (CaAl) was studied, and a delayed release of 5-ASA system intended for colonic drug delivery was ...
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Robledo, Nancy; Vera, Paola; López, Luis; Yazdani-Pedram Zobeiri, Mehrdad; Tapia, Cristian; Abugoch James, Lilian (Elsevier Ltd, 2018)© 2017 Thymol nanoemulsions were produced by spontaneous emulsification, ultrasound, and a combination of both methods. The best result in terms of size and polydispersion was spontaneous emulsification where thymol was ...