Browsing by Title Facultad de Ciencias

Now showing items 4017-4036 of 8181

    • Herramienta de gestión para la salmonicultura en Bahia Chacabuco 
      Tironi Silva, Antonio (Universisdad de Chile, 2006)
      Entre las multiples preciones sobre las zonas costeras en Chile, la salmonicultura destaca por sus proyecciones de expansión y sosteniendo crecimientos experimentando en los últimos años. Los principales impactos ambientales ...
    • Herschel -ATLAS: Rapid evolution of dust in galaxies over the last 5 billion years 
      Dunne, L.; Gomez, H. L.; da Cunha, E.; Charlot, S.; Dye, S.; Eales, S.; Maddox, S. J.; Rowlands, K.; Smith, D. J.B.; Auld, R.; Baes, M.; Bonfield, D. G.; Bourne, N.; Buttiglione, S.; Cava, A.; Clements, D. L.; Coppin, K. E.K.; Cooray, A.; Dariush, A.; de Zotti, G.; Driver, S (2011)
      We present the first direct and unbiased measurement of the evolution of the dust mass function of galaxies over the past 5 billion years of cosmic history using data from the Science Demonstration Phase of the ...
    • Heterochronic phenotypic plasticity with lack of genetic differentiation in the southeastern Pacific squat ... 
      Haye, Pilar A.; Salinas, Pilar; Acuña, Enzo; Poulin, Elie (WILEY-BLACKWELL, 2010-11)
      Two forms of the squat lobster Pleuroncodes monodon can be found along the Pacific coast of South America: a smaller pelagic and a larger benthic form that live respectively in the northern and southern areas of the ...
    • Heterocyclic Aromatics in Petroleum Coke, Snow, Lake Sediments, and Air Samples from the Athabasca Oil Sands Region 
      Manzano, Carlos A.; Marvin, Chris; Muir, Derek; Harner, Tom; Martin, Jonathan; Zhang, Yifeng (American Chemical Society, 2017)
      © 2017 American Chemical Society.The aromatic fractions of snow, lake sediment, and air samples collected during 2011-2014 in the Athabasca oil sands region were analyzed using two-dimensional gas chromatography following ...
    • Heterogeneidad ambiental y su influencia en la distribución y abundancia de la clorofila-a en el mar ... 
      Martínez Burgos, Viviana Paz (Universidad de Chile, 2011)
    • Heterogeneidad ambiental y variabilidad de la respuesta plástica en los rasgos energéticos y osmoregulatorios ... 
      Cavieres Parada, Grisel (Universidad de Chile, 2007)
      Se investigó la flexibilidad fenotípica intraespecífica en rasgos energéticos (tasa metabólica basal, TMB, pérdida total de agua evaporativa, PTAE), tamaño de órganos y rasgos osmoregulatorios (osmolalidad de la ...
    • Heterogeneities of size and sexual dimorphism between the subdomains of the lateral-innervated accessory ... 
      Suárez, Rodrigo; Mpodozis Marín, Jorge (2009)
      The vomeronasal system (VNS) of rodents participates in the regulation of a variety of social and sexual behaviours related to semiochemical communication. All rodents studied so far possess two parallel pathways from the ...
    • Heterogeneous CaMKII-dependent synaptic compensations in CA1 pyramidal neurons from acute hippocampal slices 
      Vergara, Pablo; Pino, Gabriela; Vera, Jorge; Arancibia, Felipe; Sanhueza Toha, María Magdalena (Frontiers Media, 2022)
      Prolonged changes in neural activity trigger homeostatic synaptic plasticity (HSP) allowing neuronal networks to operate within functional ranges. Cell-wide or input-specific adaptations can be induced by pharmacological ...
    • Heterogeneous genetic structure in a natural population of Raulí (Nothofagus nervosa) 
      Carrasco, Basilio; Eaton, Lafayette; Letelier, Luis; Díaz, Carole; García Gonzales, Rolando (Pontificia Universidad Catolica de Chile, Facultad de Agronomia e Ingenieria Forestal, 2011)
      Heterozygote deficiencies in natural populations of outbreeding tree species are common and thought to be due mainly to biparental inbreeding. Inbreeding is believed to be caused by family structure within populations, a ...
    • Heterologous expression, purification and characterization of a highly thermolabile endoxylanase from the ... 
      Gil Durán, Carlos; Ravanal, María Cristina; Ubilla, Pamela; Vaca Cerezo, Inmaculada; Chávez, Renato (Elsevier B.V., 2018)
      © 2018 British Mycological SocietyNumerous endoxylanases from mesophilic fungi have been purified and characterized. However, endoxylanases from cold-adapted fungi, especially those from Antarctica, have been less studied. ...
    • Heterospecific pollen transfer from an exotic plant to native plants: assessing reproductive consequences ... 
      Carvallo, Gastón O.; Medel Contreras, Rodrigo (2016)
      Background: The presence of exotic plants increases the heterospecific pollen (HP hereafter) received by native plants and reduces their reproductive output. Aims: We assessed whether the exotic herb Echium vulgare ...
    • Heterotrimeric G protein alpha subunit controls growth, stress response, extracellular protease activity, ... 
      García Rico, Ramón O.; Gil Durán, Carlos; Rojas Aedo, Juan F.; Vaca Cerezo, Inmaculada; Figueroa, Luis; Levican, Gloria; Chavez, Renato (Elsevier, 2017)
      The fungus Penicillium camemberti is widely used in the ripening of various bloomy-rind cheeses. Several properties of P. camemberti are important in cheese ripening, including conidiation, growth and enzyme production, ...
    • Heterozygosity-Fitness Correlations in a Continental Island Population of Thorn-Tailed Rayadito 
      Botero Delgadillo, Esteban; Quirici, Verónica; Vásquez Morales, Rodrigo; Kempenaers, Bart (Oxford University Press, 2020)
      Heterozygosity-fitness correlations (HFCs) have been used to monitor the effects of inbreeding in threatened populations. HFCs can also be useful to investigate the potential effects of inbreeding in isolated relict ...
    • Heterozygous Variants in KMT2E Cause a Spectrum of Neurodevelopmental Disorders and Epilepsy 
      O’Donnell-Luria, Anne H.; Pais, Lynn S.; Faundes, Víctor; Wood, Jordan C.; Sveden, Abigail; Luria, Víctor; Jamra, Rami Abou; Accogli, Andrea; Amburgey, Kimberly; Anderlid, Britt Marie; Azzarello-Burri, Silvia; Basinger, Alice A.; Bianchini, Claudia; Bird, Lynne M.; Buchert, Rebecca; Carre, Wilfrid; Ceulemans, Sophia; Charles, Perrine; Cox, Helen; Culliton, Lisa; Curro, Aurora; Demurger, Florence; Dowling, James J.; Duban-Bedu, Benedicte; Dubourg, Christèle; Eiset, Saga Elise; Escobar, Luis F.; Ferrarini, Alessandra; Haack, Tobias B.; Hashim, Mona; Heide, Solveig; Helbig, Katherine L.; Helbig, Ingo; Heredia, Raúl; Héron, Delphine; Isidor, Bertrand; Jonasson, Amy R.; Joset, Pascal; Keren, Boris; Kok, Fernando; Kroes, Hester Y.; Lavillaureix, Alinoë; Lu, Xin; Maas, Saskia M.; Maegawa, Gustavo H. B.; Marcelis, Carlo L. M.; Mark, Paul R.; Masruha, Marcelo R.; McLaughlin, Heather M.; McWalter, Kirsty; Melchinger, Esther U.; Mercimek-Andrews, Saadet; Nava, Caroline; Pendziwiat, Manuela; Person, Richard; Ramelli, Gian Paolo; Ramos, Luiza L. P.; Rauch, Anita; Reavey, Caitlin; Renieri, Alessandra; Rieß, Angelika; Sánchez Valle, Amarilis; Sattar, Shifteh; Saunders, Carol; Schwarz, Niklas; Smol, Thomas; Srour, Myriam; Steindl, Katharina; Syrbe, Steffen; Taylor, Jenny C.; Telegrafi, Aida; Thiffault, Isabelle; Trauner, Doris A.; Linden, Helio van der; Koningsbruggen, Silvana van; Villard, Laurent; Vogel, Ida; Vogt, Julie; Weber, Yvonne G.; Wentzensen, Ingrid M.; Widjaja, Elysa; Zak, Jaroslav; Baxter, Samantha; Banka, Siddharth; Rodan, Lance H. (Cell Press, 2019)
      We delineate a KMT2E-related neurodevelopmental disorder on the basis of 38 individuals in 36 families. This study includes 31 distinct heterozygous variants in KMT2E (28 ascertained from Matchmaker Exchange and three ...
    • Hexakis(imidazole-N3)nickel(II) oxydiacetate ethanol solvate 
      Perec, Mireille; Baggio, Ricardo; Garland, María Teresa (Blackwell Munksgaard, 1999)
      The crystal structure of the title complex, [Ni(C3H4N2)6](C4H 4O5)·C2H5OH, is a tightly woven three-dimensional network composed of [Ni(Him)6]2+ cations (Him is imidazole) interlinked by the oxydiacetate anion through six ...
    • Hexokinase and not glycogen synthase controls the flux through the glycogen synthesis pathway in frog oocytes 
      Preller Simmons, Ana; Wilson, Christian A. M.; Quiroga Roger, Diego; Ureta, Tito (Elsevier, 2013)
      Here we set out to evaluate the role of hexokinase and glycogen synthase in the control of glycogen synthesis in vivo. We used metabolic control analysis (MCA) to determine the flux control coefficient for each of the ...
    • Hexoquinasa de músculo : aspectos comparativos y localización célula. 
      Guixe Leguia, Victoria Cristina (Universidad de Chile., 1978)
      Se han estudiado por cromatografía en columna de dietilaminoetil - celulosa las isoenzimas fosforilantes de glucosa (ATP : D-hexosa 6-fosfotransferasas, E.C. 2.7.1.1., nombre trivial, hexoquinasas) en musculo esquelético ...
    • Hexoquinasas de cepa silvestre y mutantes morfológicas de neurospora crassa. 
      Lagos Monaco, Rosa Alba Lucia (Universidad de Chile., 1978)
      En este trabajo se han hecho estudios ontogenéticos en hexoquinasas de hígado de rata, observándose una aparición secuencial de las isoenzimas durante el desarrollo post-natal (11).
    • Hidrocoría como agente dispersor de especies invasivas:el caso de Acacia dealbata (Link, 1822) en Chile 
      Zamorano Castillo, Daniel Alejandro (Universidad de Chile, 2016)
      El objetivo de este trabajo es evaluar la potencial hidrocoria en semillas de la especie Invasora Acacia dealbata en ríos de la VI región (Chile).
    • Hidrolisis acida del ion salicilatotetraamincobalto (III) 
      Mora Albornoz, Julia Edith (Universidad de Chile., 1985)
      Un estudio cinético de la hidrolisis ácida del ión salicilatotetraamincobalto (III)