Now showing items 1-11 of 11

    • Eggshell, a new bio-filler for polypropylene composites 

      Toro, P.; Quijada Abarca, Juan; Yazdani-Pedram Zobeiri, Mehrdad; Arias, José Luis (ELSEVIER SCIENCE BV, 2007-09)
      Chicken eggshell (ES) is an industrial byproduct containing 95% calcium carbonate, and its disposal constitutes a serious environmental hazard. Different proportions of chicken eggshell as bio-filler for polypropylene (PP) ...
    • Exploratory and descriptive study on nutritional characteristics and quality of eggs from Chilean partridge (Nothoprocta perdicaria) 

      Arias, José Luis; Matthei, Alberto; Valenzuela, Carolina (Wiley, 2018)
      This work aims to contribute more information on tinamou eggs by performing an exploratory and descriptive study of some of their nutritional and quality characteristics. The chemical composition of tinamou egg showed a ...
    • Improving the brain delivery of gold nanoparticles by conjugation with an amphipathic peptide 

      Guerrero, Simon; Araya, Eyleen; Fiedler Temer, Jenny; Arias, J. Ignacio; Adura, Carolina; Albericio, Fernando; Giralt, Ernest; Arias, José Luis; Fernández, María Soledad; Kogan Bocian, Marcelo (2010)
      Background & Aims: Gold nanoparticles (GNPs) have promising applications for drug delivery as well as for the diagnosis and treatment of several pathologies, such as those related to the CNS. However, GNPs are retained in ...
    • Mechanical and morphological studies of poly(propylene)-filled eggshell composites 

      Toro, P.; Quijada Abarca, Juan; Arias, José Luis; Yazdani-Pedram Zobeiri, Mehrdad (MACROMOLECULAR MATERIALS AND ENGINEERING 292(9): 1027-1034, 2007-09-14)
      Poly(propylene) (PP) composites were prepared by using eggshell (ES) as filler and their mechanical properties were compared with those using talc (TA) and calcium carbonate (CC) of different grain sizes (X-50). A decrease ...
    • Microstructure and crystallographic-texture of giant barnacle (Austromegabalanus psittacus) shell 

      Rodríguez Navarro, Alejandro B.; CabraldeMelo, Christiane; Batista, Nelson; Morimoto, Nilton; Álvarez Lloret, Pedro; Ortega Huertas, Miguel; Fuenzalida, Víctor M.; Wiff, Juan P.; Arias, José Luis (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2006-11)
      Barnacle shell is a very complex and strong composite bioceramic composed of different structural units which consist of calcite 15 microcrystals of very uniform size. In the study reported herein, the microstructural ...
    • Nucleation and selective growth of polymorphs of calcium carbonate on organic-inorganic hybrid films 

      Martínez Rubí, Yadienka; Retuert de la Torre, Pedro Jaime; Yazdani-Pedram Zobeiri, Mehrdad; Barbosa, Miguel; Arias, José Luis (SOC CHILENA QUIMICA, 2008-03)
      Inorganic/organic ternary hybrid films that are constituted of gelatin (G), poly(monomethyl itaconate) (PMMI) and silica (SiO2), are used as a solid matrix to study the crystalization of calcium carbonate (CaCO3). These ...
    • Selective crystallization of calcium salts by poly (acrylate)-grafted chitosan 

      Neira Carrillo, Andrónico; Yazdani-Pedram Zobeiri, Mehrdad; Retuert de la Torre, Jaime; Díaz Dosque, Mario; Gallois, S.; Arias, José Luis (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2005-06-01)
      The biopolymer chitosan was chemically modified by grafting polyacrylamide or polyacrylic acid in a homogeneous aqueous phase using potassium persulfate (KPS) as redox initiator system in the presence of N,N-methylene-bi ...
    • Sulfonated polymethylsiloxane as an additive for selective calcium oxalate crystallization 

      Neira Carrillo, Andrónico; Luengo Ponce, Fabián Alberto; Vásquez Quitral, Patricio; Yazdani-Pedram Zobeiri, Mehrdad; Fernández, María Soledad; Cölfen, Helmut; Arias, José Luis (Wiley-VCH Verlag, 2015)
      Copyright © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Sulfonated and fluorescent polymethylsiloxanes (SO3H-PMS) were synthesized, and their effect as additives on in vitro calcium oxalate (CaOx) crystallization was ...
    • Synthesis and unusual swelling behavior of combined cationic/non-ionic hydrogels based on chitosan 

      Yazdani-Pedram Zobeiri, Mehrdad; Tapia Villanueva, Cristián; Retuert de la Torre, Pedro Jaime; Arias, José Luis (WILEY-V C H VERLAG GMBH, 2003-10-15)
      Hydrogel-forming copolymers based on chitosan grafted with different amounts of polyacrylamide were synthesized and its swelling capacity determined in distilled water, sodium chloride solutions, as well as in buffer ...
    • Trypanosoma cruzi calreticulin topographical variations in parasites infecting murine macrophages 

      González, Andrea; Valck, Carolina; Sánchez, Gittith; Härtel, Steffen; Mansilla, Jorge; Ramírez, Galia; Fernández, María Soledad; Arias, José Luis; Galanti Garrone, Norbel; Ferreira, Arturo (American Society of Tropical Medicine and Hygiene, 2015)
      Copyright © 2015 by The American Society of Tropical Medicine and Hygiene. Trypanosoma cruzi calreticulin (TcCRT), a 47-kDa chaperone, translocates from the endoplasmic reticulum to the area of flagellum emergence. There, ...
    • Use of biopolymers as oriented supports for the stabilization of different polymorphs of biomineralized calcium carbonate with complex shape 

      Díaz Dosque, Mario; Aranda, Pilar; Darder, Margarita; Retuert de la Torre, Pedro Jaime; Yazdani-Pedram Zobeiri, Mehrdad; Arias, José Luis; Ruiz Hitzky, Eduardo (ELSEVIER, 2008-12-01)
      This work concerns the use of different biopolymers such as chitosan, alginate or K-carrageenan as substrates to contribute to the study of the crystallization of calcium carbonate. The experimental biomimetic approach ...