Now showing items 1661-1680 of 4968

    • Acevedo, Roberto (1988)
      A normal coordinate analysis has been carried out for the series Cs2NaLnCl6, where Ln represent a trivalent lan thanide cation such as Pr+ 3, Sm+3, Eu+3, Tb+ 3, Ho+3and Tm+3by using a general valence force field (GVFF). A ...
    • Elías, R. G.; Carvalho-Santos, V. L.; Núñez Vásquez, Álvaro; Verga, A. D. (American Physical Society, 2014)
      © 2014 American Physical Society. We show that, after a transformation, the dynamics of linear perturbations (spin waves) around a singular Bloch point soliton is formally equivalent to a quantum system of an electron in ...
    • Ramírez, Edgardo; Marín, Gonzalo; Mpodozis Marín, Jorge; Letelier, Juan Carlos (Springer Verlag, 2014)
      © 2014, The Author(s).There is a consensus that birds detect the earth’s magnetic field and use some of its features for orientation and homing purposes. Since the late 1960s, when the first solid behavioral evidence of ...
    • Montecino, Vivian; Molina, Ximena; Kumar, Sunil; Castillo, María L.C.; Bustamante Araya, Ramiro (Regional Euro-Asian Biological Invasions Centre, 2014)
      © 2014 REABIC. Aquatic invasive species are a major threat to native freshwater ecosystems and cause enormous ecological and economic damage worldwide. Didymosphenia geminata (Lyngbye) M. Schmidt is an emerging invasive ...
    • Prados-Rosales, Rafael; Carreño, Leandro J.; Batista-Gonzalez, Ana; Baena, Andres; Venkataswamy, Manjunatha M.; Xu, Jiayong; Yu, Xiaobo; Wallstrom, Garrick; Mitchell Magee, D.; LaBaer, Joshua; Achkar, Jacqueline M.; Jacobs, William R.; Chan, John; Porcelli, Steven A.; (American Society for Microbiology, 2014)
      © 2014 Prados-Rosales et al.Pathogenic and nonpathogenic species of bacteria and fungi release membrane vesicles (MV), containing proteins, polysaccharides, and lipids, into the extracellular milieu. Previously, we ...
    • Castro, M.; Parra, J. C.; Morales, L. J.; Salas, C. (Sociedad Chilena de la Ciencia del Suelo, 2014)
      © 2014, Sociedad Chilena de la Ciencia del Suelo. All rights reserved.The object of the present research is to establish empirical relations between the Fuel Moisture Content (FMC) and the Normalised Difference Vegetation ...
    • Pizarro Araya, Jaime; Alfaro, Fermín M.; Cortés-Contreras, Maximiliano; Rivera, Cristian; Vargas-Talciani, Paola; Ojanguren-Affilastro, Andrés A. (Gazi Entomological Research Society, 2014)
      The Pingüino de Humboldt National Reserve in Chile is an area of biodiversity conservation in arid island ecosystems. The reserve is located both in the Atacama and Coquimbo regions and is composed of the Choros (29° 15' ...
    • Fletcher, Michael Shawn; Wood, Sam W.; Haberle, Simon G. (Ecological Society of America, 2014)
      © 2014 by the Ecological Society of America. We test the validity of applying the alternative stable state paradigm to account for the landscape-scale forest/non-forest mosaic that prevails in temperate Tasmania, Australia. ...
    • Yue, Haitian; Molina Gálvez, Mario; Kevrekidis, Panayotis G.; Karachalios, Nikos I. (American Institute of Physics Inc., 2014)
      © 2014 AIP Publishing LLC.In the present work, we revisit the issue of the self-trapping dynamical transition at a nonlinear impurity embedded in an otherwise linear lattice. For our Schrödinger chain example, we present ...
    • Salgado, Francisco; Areche, Carlos; Sepúlveda, Beatriz; Simirgiotis, Mario J.; Cáceres, Fátima; Quispe, Cristina; Quispe, Lina; Cano, Teresa (Medknow Publications, 2014)
      Background: Azorella compacta is a rare yellow-green compact resinous cushion shrub growing from the high Andes of southern Peru to northwestern Argentina, and which is a producer of biologically active and unique diterpenoids. ...
    • Navarro, Claudio A.; von Bernath, Diego; Jerez, Carlos A. (2013)
      Microbial solubilizing of metals in acid environments is successfully used in industrial bioleaching of ores or biomining to extract metals such as copper, gold, uranium and others. This is done mainly by acidophilic and ...
    • Chiu, Kuo Shou; Pinto Jiménez, Manuel; Jeng, Jyh Cheng (Kluwer Academic Publishers, 2014)
      This paper is concerned with existence, uniqueness and global exponential stability of a periodic solution for recurrent neural network described by a system of differential equations with piecewise constant argument of ...
    • Hojman Guiñerman, Sergio (Sociedad Mexicana de Fisica, 2014)
      A mechanism that produces conical dispersion relations is presented. A Kronig Penney one dimensional array with two different strengths delta function potentials gives rise to both the gap closure and the dispersion relation ...
    • Valenzuela, José I.; Jaureguiberry Bravo, Matías; Salas, Daniela A.; Ramírez, Omar A.; Cornejo, Víctor H.; Lu, Hsiangmin E.; Blanpied, Thomas A.; Couve Correa, Andrés (Company of Biologists Ltd, 2014)
      In neurons, secretory organelles within the cell body are complemented by the dendritic endoplasmic reticulum (ER) and Golgi outposts (GOPs), whose role in neurotransmitter receptor trafficking is poorly understood. ...
    • Pérez, Fernanda; Irarrázabal, C. Carla; Cossio, Michel; Peralta, Gioconda; Segovia, Ricardo; Bosshard, Mauricio; Hinojosa Opazo, Luis (Kluwer Academic Publishers, 2014)
      Myrceugenia rufa is an endangered shrub endemic to the coast range of central Chile, which has suffered strong degradation during recent decades. We developed nine microsatellite markers for this species and tested them ...
    • Díaz, Álvaro; García, Katherine; Navarrete, Andrea; Higuera, Gastón; Romero Ormazábal, Jaime (BioMed Central Ltd., 2014)
      © 2014 Díaz et al.; licensee BioMed Central Ltd.Background: Members of the Orthomyxoviridae family, which contains an important fish pathogen called the infectious salmon anemia virus (ISAV), have a genome consisting of ...
    • Cruz Jofré, Franco; Morales, Pamela; Esquer Garrigos, Yareli; Vila Pinto, Irma; Hugueny, Bernard; Gaubert, Philippe; Méndez, Marco (Universidad de Concepcion, 2014)
      A morphological comparison of two populations assigned to Orestias agassii from the Chilean Altiplano with the syntypes from Peru and Bolivia was performed. The results suggest that populations of Chile do not match the ...
    • Rezende, Enrico L.; Castañeda, Luis E.; Santos, Mauro (Blackwell Publishing Ltd, 2014)
      Summary: How thermal tolerance estimated in the laboratory can be extrapolated to natural settings remains a contentious subject. Here, we argue that the general premise that a single temperature can accurately describe ...
    • Tejos, Ricardo; Sauer, Michael; Vanneste, Steffen; Palacios-Gomez, Miriam; Li, Hongjiang; Heilmann, Mareike; van Wijk, Ringo; Vermeer, Joop E.M.; Heilmann, Ingo; Munnik, Teun; Friml, Jiří (American Society of Plant Biologists, 2014)
      Cell polarity manifested by asymmetric distribution of cargoes, such as receptors and transporters, within the plasma membrane (PM) is crucial for essential functions in multicellular organisms. In plants, cell polarity ...
    • Lemaitre Bailey, Carmen; Pinto, Carlos; Niemeyer Marich, August (Kluwer Academic Publishers, 2014)
      Flowers that are pollinated both during the day and at night could exhibit two different groups of pollinators and produce two different sets of attractants and rewards. We explored the patterns of emission of flower scents ...