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Now showing items 69592-69611 of 92768

    • Polymer Precursors Effect in the Macromolecular Metal-Polymer on the Rh/RhO2/Rh(2)O(3)Phase Using Solvent-Less ... 
      Díaz, C.; Valenzuela, M. L.; Cifuentes Vaca, O.; Segovia, M. (Springer, 2020)
      A mixture of a nanostructured Rh/RhO(2)phase was easily obtained by thermally treating the macromolecular Chitosan center dot(RhCl3)(x)precursor, while the Rh/Rh(2)O(3)phase was obtained by pyrolyzing PSP-4-PVP center ...
    • Polymer quantization, stability and higher-order time derivative terms 
      Cumsille, Patricio; Reyes, Carlos M.; Ossandon, Sebastian; Reyes, Camilo (World Scientific Public Co., 2016-03)
      The possibility that fundamental discreteness implicit in a quantum gravity theory may act as a natural regulator for ultraviolet singularities arising in quantum field theory has been intensively studied. Here, along the ...
    • Polymer-based nanocomposites: In situ generation and immobilization of gold nanoparticles on poly(n-vinyl ... 
      Méndez-López, Maximiliano; Saldías, Cesar; Urzúa Acevedo, Marcela; Villalobos, Valeria; Schmidt, Mathias; Radić, Deodato; Leiva, Angel (American Scientific Publishers, 2017)
      Copyright © 2017 American Scientific Publishers All rights reserved. In this work, we report an interesting method for simultaneous obtaining and immobilization of gold nanoparticles onto polymer thin films. Polymer-based ...
    • Polymer/Trimer/Metal Complex Mixtures as Precursors of Gold Nanoparticles: Tuning the Morphology in the Solid-State 
      Díaz Valenzuela, Carlos; Carriedo, Gabino A.; Valenzuela, María Luisa; Zúñiga, Luis; O'Dwyer, Colm (2012)
      The pyrolysis of several physical mixtures of AuCl(PPh 3) with polymeric [NP(O 2C 12H 8)] n or cyclic N 3P 3(O 2C 12H 8) 3 phosphazenes, formed as solid powders or films with different molar ratios, have been studied under ...
    • A polymeric cobalt(II) complex derived from citric acid (H4cit) and 2,6-diaminopurine (dap): {[Co4(cit)2( ... 
      Atria Salas, Ana María; Parada Aliste, José; Garland, María Teresa; Baggio, Ricardo (2013)
    • Polymeric nanoparticles for increasing oral bioavailability of curcumin 
      Umerska, Anita; Gaucher, Caroline; Oyarzún Ampuero, Felipe; Fries Raeth, Isabelle; Colin, Florence; Villamizar Sarmiento, María Gabriela; Maincent, Philippe; Sapin Minet, Anne (MDPI, 2018-04)
      Despite the promising biological and antioxidant properties of curcumin, its medical applications are limited due to poor solubility in water and low bioavailability. Polymeric nanoparticles (NPs) adapted to oral delivery ...
    • Polymeric nanoparticles in dermocosmetic Nanopartículas poliméricas en dermocosmética 
      Bahamonde-Norambuena, D.; Molina-Pereira, A.; Cantin, Mario; Muñoz, M.; Zepeda, Katherine; Vilos, Cristian (Universidad de la Frontera, 2015)
      © 2015, Universidad de la Frontera. All rights reserved. Recent advances in the fields of biomaterials and nanotechnology have allowed the development of advanced nanoparticles for biomedical applications. Despite a vast ...
    • Polymorphic bytecode instrumentation 
      Binder, Walter; Moret, Philippe; Tanter, Éric Pierre; Ansaloni, Danilo (2016)
      Bytecode instrumentation is a widely used technique to implement aspect weaving and dynamic analyses in virtual machines such as the Java virtual machine. Aspect weavers and other instrumentations are usually developed ...
    • Polymorphic Pemphigoid 
      Honeyman Mauro, Juan; Honeyman, Ana Robles; De la Parra, Marco A.; Pinto, Alicia; Eguiguren, Gonzalo J. (1979)
      We describe 20 patients with a chronic polymorphic eruption; they shared clinical, histopathological, and therapeutic features of both dermatitis herpetiformis and bullous pemphigoid (BP). In 14 of these 20 cases, direct ...
    • Polymorphic pemphigoid 
      Honeyman Mauro, Juan; Honeyman, A. R.; de La Parra, M.; Pinto, A.; Eguiguren, G. J. (1979)
      The authors describe 20 patients with a chronic polymorphic eruption; they shared clinical, histopathological, and therapeutic features of both dermatitis herpetiformis and bullous pemphigoid (BP). In 14 of these 20 cases, ...
    • Polymorphism and gene conversion of the 16S rRNA genes in the multiple rRNA operons of Vibrio parahaemolyticus 
      González Escalona, Narjol; Romero Ormazábal, Jaime; Espejo Torres, Romilio (ELSEVIER SCIENCE BV, 2005-05-15)
      The genome sequence of a strain of Vibrio parahaemolyticus holds 11 copies of rRNA operons (rrn) with identical 16S rRNA genes (rrs). Conversely, the species type strain contains two rrs classes differing in 10 nucleotide ...
    • Polymorphism in gene coding for ACE determines different development of myocardial fibrosis in rats 
      Ocaranza, María Paz; Díaz Araya, Guillermo; Carreño, J. E.; Muñoz, David; Riveros, Juan Pablo; Jalil Milad, Jorge; Lavandero González, Sergio (AMER PHYSIOLOGICAL SOC, 2004-02-01)
      In humans, the effect of angiotensin-converting enzyme (ACE) gene polymorphisms in cardiovascular disease is still controversial. In the rat, a microsatellite marker in the ACE gene allows differentiation of the ACE gene ...
    • Polymorphism in repeated 16S PRNA genes is a common property of type strains and environmental isolates of ... 
      Moreno, Claudia; Romero Ormazábal, Jaime; Espejo Torres, Romilio (Society for General Microbiology, 2002)
      Analysis of the 16S rDNAs obtained from cultures of single colonies of either type collection strains or environmental strains of the genus Vibrio revealed the presence of polymorphism in every one of the strains examined. ...
    • Polymorphism of Glutathione S-Transferase (GST) Variants and Its Effect on Distribution of Urinary Arsenic ... 
      Cáceres Lillo, Dante; Werlinger Cruces, Fabiola; Orellana, Magdalena; Jara, Marcelo; Rocha, René; Alvarado, Sergio A.; Quiñones Sepúlveda, Luis (Taylor & Francis, 2013-07-09)
      Glutathione S-tranferases (GST) are multigenic enzymes that have been associated with arsenic metabolism. The objective of this study was to evaluate the relationship between polymorphic variants of GST and urinary ...
    • Polymorphism of viral dsRNA in Xanthophyllomyces dendrorhous strains isolated from different geographic areas 
      Baeza Cancino, Marcelo; Sanhueza, Mario; Flores, Oriana; Oviedo, Vicente; Libkind, Diego; Cifuentes Guzmán, Víctor (2009)
      Background. Strains of the astaxanthin producing yeast Xanthophyllomyces dendrorhous have been isolated from different cold regions around the earth, and the presence of double stranded RNA (dsRNA) elements was described ...
    • Polymorphism T → C (-34 base pairs) of gene CYP17 promoter in women with polycystic ovary syndrome is ... 
      Echiburú López, Bárbara; Pérez Bravo, Francisco; Maliqueo Yevilao, Manuel; Sánchez, Fernando; Crisosto King, Nicolás; Sir Petermann, Teresa (2008)
      The aim of this study was to establish the frequency of gene CYP17 promoter polymorphism in women with polycystic ovary syndrome (PCOS) from a Chilean population and to examine the association of this polymorphism with ...
    • Polymorphisms in mitochondrial genes encoding complex i subunits are maternal factors of voluntary alcohol ... 
      Sapag, Amalia; González Martínez, Ginez Andrés; Lobos González, Lorena; Encina, Gonzalo; Tampier de Jong, Lutske; Israel Jacard, Yedy; Quintanilla González, María Elena (2009)
      OBJECTIVE: Alcohol is detoxified in the liver by oxidizing enzymes that require nicotinamide adenine dinucleotide (NAD) such that, in the rat, the availability of NAD contributes to control voluntary ethanol intake. The ...
    • Polymorphisms in RAS/RAF/MEK/ERK pathway are associated with gastric cancer 
      González Hormazábal, Patricio; Musleh, Maher; Bustamante, Marco; Stambuk, Juan; Pisano, Raul; Valladares, Hector; Lanzarini, Enrique; Chiong, Hector; Rojas, Jorge; Suazo, Jose; Gonzalo Castro, V.; Jara, Lilian; Berger, Zoltan (MDPI AG, 2019)
      The RAS/RAF/MEK/ERK pathway regulates certain cellular functions, including cell proliferation, differentiation, survival, and apoptosis. Dysregulation of this pathway leads to the occurrence and progression of cancers ...
    • Polymorphisms in the interleukin-6 receptor gene (Asp358Ala) and body mass index in chilean Women with type ... 
      Pérez Bravo, Francisco; Oyarzún, Ana María; Soto, Francisca; López, Patricia; Eyzaguirre, Francisca; Codner Dujovne, Ethel (2012)
      Introduction. Interleukin-6 receptor (IL6R) has been linked with type 2 diabetes and obesity. The presence of the Asp allele in Asp358Ala of IL6R has been linked with insulin resistance and weight gain. Aim. The aim of ...
    • Polymorphisms in the mitochondrial aldehyde dehydrogenase gene (Aldh2) determine peak blood acetaldehyde ... 
      Quintanilla González, María Elena; Tampier de Jong, Lutske; Sapag, Amalia; Israel Jacard, Yedy (Lippincott Williams & Wilkins, 2005)
      Dependence on alcohol, a most widely used drug, has a heritability of 50-60%. Wistar-derived rats selectively bred as low-alcohol consumers for many generations present an allele (Aldh22) of mitochondrial aldehyde ...