Browsing by Author "Yazdani-Pedram Zobeiri, Mehrdad"
Now showing items 1-20 of 37
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Briones, Ximena G.; Encinas, María V.; Petri, Denise F.S.; Pavez, Jorge E.; Tapia, Ricardo A.; Yazdani-Pedram Zobeiri, Mehrdad; Urzúa Acevedo, Marcela (2011)The adsorption of hydrophobically modified polyelectrolytes derived from poly(maleic anhydride-alt-styrene) (P(MA-alt-St)) containing in their side chain aryl-alkyl groups onto amino- or methyl-terminated silicon wafers ...
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González Navarrete, Javier; Toral Ponce, María; Leiva, Angel; Yazdani-Pedram Zobeiri, Mehrdad; Ríos, Hernán; Briones-Olarán, Ximena; Urzúa Acevedo, Marcela (Elsevier B.V., 2016)Adsorption of As (V) by poly (N-octyl-4-vinylpyridinium) bromide (P4VPyC8), used as solid phase, was studied. Determination of As (V) was carried out by direct measurement of the fluorescence intensity on the solid phase. ...
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Pérez, M. De Los A.Arada; Yazdani-Pedram Zobeiri, Mehrdad (2013)ABSTRACT Chloride selective polymeric liquid membrane electrode has been developed by using Bis-(2-ethylhexyl) Sebacate (DOS) as plasticizer and 2-[5-(4-nitrophenyl) furyl]-4,5-diphenyl imidazole (FFDFIN) as ionophore. ...
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Mena, Juan F.; Neira Carrillo, Andrónico; Yazdani-Pedram Zobeiri, Mehrdad; Kogan Bocian, Marcelo (American Scientific Publishers, 2013)With the purpose of obtaining stable and non-toxic nanocomposites with potential biomedical applications we coated gold nanoparticles (AuNP) with chitosan (CHI) and CHI grafted with poly(Nisopropilacrylamide) (PNIPAAm) and ...
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Ardiles Lee, Eduardo Felipe (Universidad de ChileCyberDocs, 2010)Los complejos Cu2(u-O2CR)4L2 fueron sintetizados a partir de Cu2(OH)2CO3 y el correspondiente RCOOH; donde R: C10H13- y PhCH=CH2-, además L: N,N-dimetilformamida , dimetilsulfóxido o tetrahidrofurano. Estos fueron ...
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Abugoch James, Lilian; Tapia, Cristián; Villamán, Maria C.; Yazdani-Pedram Zobeiri, Mehrdad; Díaz Dosque, Mario (2011)Quinoa protein/chitosan films were obtained by solution casting of blends of quinoa protein extract (PE) and chitosan (CH). Films from a PE/CH blend were characterized by FTIR, X-ray diffraction, thermal analysis, and SEM. ...
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Arada Pérez, M. de los Ángeles; Yazdani-Pedram Zobeiri, Mehrdad (2013)The construction and evaluation of an all-solid-state type electrode selective to nitrate based on poly(vinyl chloride) (PVC) as polymeric membrane, diethyl phthalate as plasticizer and tetradecilammonium nitrate (TDAN) ...
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Cuenca Bracamonte, Quimberly Dayana (Universidad de Chile, 2023)Los compósitos laminares reforzados con fibra de carbono (CLRFC) son materiales atractivos en numerosas aplicaciones relacionadas con áreas como deportes, aeroespacial, automotriz, energía eólica, y defensa, entre otras, ...
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Vera, A.; Valenzuela, M. A.; Yazdani-Pedram Zobeiri, Mehrdad; Tapia, C.; Abugoch James, Lilian (Elsevier, 2019)Quinoa proteins (QP) have promise as a potential source of novel food ingredients, and it is of great interest to know how high-intensity ultrasound (HIUS) treatments affect the properties of QP. This work aimed to study ...
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Arada Pérez, María de los Angeles; Cortés Nodarse, I.; Yazdani-Pedram Zobeiri, Mehrdad (2004)A potentiometric all-solid-state type ion-selective electrode (ISE) for NO3 - was constructed and characterized. It is based on a mixture of tetra-decyl-ammonium nitrate (TDAN) as ionophore, di-butyl phthalate (DBP) as ...
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Arada Pérez, María de los Ángeles; Landazury Yanes, Santiago; Cardona, M.; Aguilera, L.; Yazdani-Pedram Zobeiri, Mehrdad (Sociedad Chilena de Quimica, 2010)l-furoyl-3,3-diethylthiourea was used as a novel neutral carrier in ion selective electrode for copperII detection and determination. The Cu2+ selective plasticized polyvinyl chloride (PVC) membrane electrode exhibited ...
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Díaz Gutiérrez, Alexis Andrés (Universidad de Chile, 2017)Se realizó la oxidación del grafito usando el método reportado por Hummers y Offeman. Este método permite incorporar diferentes grupos funcionales oxigenados al grafito. Posteriormente, se realizó la reducción térmica del ...
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Águila Toledo, Ernesto Felipe (Universidad de Chile, 2023)Para este estudio se sintetizaron óxidos de grafeno vinilofuncionalizados con viniltrimetoxisilano (GO-VTMS) y alil isocianato (GO-alil) para ser utilizados como rellenos en un elastómeros de fluorosilicona. También se ...
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Águila Toledo, Ernesto Felipe (Universidad de Chile, 2023)Para este estudio se sintetizaron óxidos de grafeno vinilofuncionalizados con viniltrimetoxisilano (GO-VTMS) y alil isocianato (GO-alil) para ser utilizados como rellenos en un elastómeros de fluorosilicona. También se ...
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Quinteros Jara, Eduardo Andrés (Universidad de Chile, 2022)En este estudio, se describe un sencillo método de obtención de nanocompositos híbridos de óxido de grafeno (GO) injertado con poli(dimetil itaconato) (GO-pDMI) y titanatio de bario funcionalizado (BT-NH2). Este material ...
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Gutiérrez Banda, Bárbara Constanza (Universidad de Chile, 2017)La variación de la temperatura y tiempo en el proceso de oxidación del grafito influye significativamente en la obtención de un óxido de grafito (GO) altamente funcionalizado. Esta funcionalización permite al GO ser ...
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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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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 ...