Artículos de revistas: Recent submissions

Now showing items 3681-3700 of 4970

    • Repeated mass strandings of Miocene marine mammals from Atacama Region of Chile point to sudden death at sea 
      Pyenson, Nicholas D.; Simón Gutstein, Carolina; Parham, James F.; Le Roux, Jacobus; Carreño Chavarría, Catalina Andrea; Little, Holly; Metallo, Adam; Rossi, Vincent; Valenzuela Toro, Ana M.; Vélez Juarbe, Jorge; Santelli, Cara M.; Rubilar Rogers, David; Cozzuol, Mario A.; Suárez, Mario E. (Royal Society, 2014)
      Marine mammal mass strandings have occurred for millions of years, but their origins defy singular explanations. Beyond human causes, mass strandings have been attributed to herding behaviour, large-scale oceanographic ...
    • Dzyaloshinskii-Moriya interaction and magnetic ordering in 1D and 2D at nonzero T 
      Torres Sánchez, Felipe; Altbir, D.; Kiwi Tichauer, Miguel (EPL, 2014)
      The inclusion of a Dzyaloshinskii-Moriya short-range antisymmetric interaction in the Heisenberg Hamiltonian induces spontaneous magnetization, at nonzero temperatures, in one and two dimensions. It is shown that quantum ...
    • Do corridors promote connectivity for bird-dispersed trees? The case of Persea lingue in Chilean fragmented ... 
      Pérez Hernández, Christian G.; Vergara, Pablo M.; Saura, Santiago; Hernández, J. (Springer, 2014)
      Disentangling the contribution of corridors to landscape connectivity is crucial for adopting efficient measures in conservation, but their actual role in heterogeneous landscapes is not yet fully understood. We assessed ...
    • Regulation of protein trafficking: Posttranslational mechanisms and the unexplored transcriptional control 
      Pizarro Arcos, Lorena Andrea; Norambuena Morales, Lorena (Elsevier, 2014)
      Endomembrane protein trafficking assures protein location through the endocytic and secretory routes. Trafficking pathways are diverse, depending on the proteins being trafficked, the final destination as well as their ...
    • Diversity of cultivable fungi associated with Antarctic marine sponges and screening for their antimicrobial, ... 
      Henríquez, Marlene; Vergara, Karen; Norambuena, Javiera; Beiza, Andrea; Maza, Felipe; Ubilla, Pamela; Araya, Ivanna; Chávez, Renato; San Martín Barrientos, Aurelio; Darias, José; Darias, María J.; Vaca Cerezo, Inmaculada (Springer, 2014)
      The diversity of sponge-associated fungi has been poorly investigated in remote geographical areas like Antarctica. In this study, 101 phenotypically different fungal isolates were obtained from 11 sponge samples collected ...
    • Regular transport dynamics produce chaotic travel times 
      Villalobos, Jorge; Muñoz Gálvez, Víctor; Rogan Castillo, José; Zarama, Roberto; Johnson, Neil F.; Toledo Cabrera, Benjamín; Valdivia Hepp, Juan (American Physical Society, 2014)
      In the hope of making passenger travel times shorter and more reliable, many cities are introducing dedicated bus lanes (e.g., Bogota, London, Miami). Herewe showthat chaotic travel times are actually a natural consequence of ...
    • Surface enhanced Raman scattering study of the antioxidant alkaloid boldine using prismatic silver nanoparticles 
      Herrera, M .A.; Jara, G. P.; Villarroel, R.; Aliaga, A. E.; Gómez Jeria, Juan; Clavijo Campos, Ernesto; Garrido, C.; Aguayo, T.; Campos Vallette, Marcelo (Elsevier, 2013)
      Prismatic silver nanoparticles (PNps) were used in the surface enhanced Raman scattering (SERS) study of the antioxidant alkaloid boldine (5,6,6a,7-tetrahydro-1,10-dimethoxy-6-methyl-4H-dibenzo[de,g]quinoline-2,9-diol). ...
    • Regime shifts of Cruces River wetland ecosystem: current conditions, future uncertainties 
      Marín Briano, Víctor; Delgado Isasi, Luisa; Vila Pinto, Irma; Tironi, Antonio; Barrera, Vilma; Ibáñez Valderrama, Carlos (2014)
      During April-May 2004 the Cruces River wetland ecosystem, located in Valdivia (40ºS), southern Chile, was described as shifting from a clear water regime, dominated by the exotic macrophyte Egeria densa, to turbid waters ...
    • Diffractionfree image transmission in kagome photonic lattices 
      Vicencio Poblete, Rodrigo; Mejía Cortés, Cristian (IOP Publishing, 2014)
      We study the propagation of non-diffracting images in kagome photonic lattices. In a weak-coupling regime (discrete approach), the linear spectrum is composed by only three bands, including a completely degenerated and ...
    • Rab-mediated trafficking role in neurite formation 
      Villarroel Campos, David Leonardo; Gastaldi, Laura; Conde, Cecilia; Cáceres, Alfredo; González Billault, Christian (International Society for Neurochemistry, 2014)
      Neuronal cells are characterized by the presence of two confined domains, which are different in their cellular properties, biochemical functions and molecular identity. The generation of asymmetric domains in neurons ...
    • Diacylglycerol Activates the Light-Dependent Channel TRP in the Photosensitive Microvilli of Drosophila ... 
      Delgado Arriagada, Ricardo; Muñoz, Yorka; Peña Cortés, Hugo; Giavalisco, Patrick; Bacigalupo Vicuña, Juan (Society for Neuroscience, 2014)
      Drosophila light-dependent channels, TRP and TRPL, reside in the light-sensitive microvilli of the photoreceptor’s rhabdomere. Phospholipase C mediates TRP/TRPL opening, but the gating process remains unknown. Controversial ...
    • Coumarin-Based Fluorescent Probes for Dual Recognition of Copper(II) and Iron(III) Ions and Their Application ... 
      García Beltrán, Olimpo; Cassels Niven, Bruce; Pérez, Claudio; Mena, Natalia P.; Núñez González, Marco; Martínez, Natalia P.; Pizarro Pavez, Paulina Ignacia; Aliaga, Margarita E. (MDPI, 2014)
      Two new coumarin-based “turn-off” fluorescent probes, (E)-3-((3,4-dihydroxybenzylidene)amino)-7-hydroxy-2H-chromen-2-one (BS1) and (E)-3-((2,4-dihydroxybenzylidene)amino)-7-hydroxy-2H-chromen-2-one (BS2), were synthesized ...
    • Decoupled evolution of foliar freezing resistance, temperature niche and morphological leaf traits in Chilean ... 
      Pérez, Fernanda; Hinojosa Opazo, Luis; Ossa, Carmen G.; Campano, Francisca; Orrego, Fabiola (British Ecological Society, 2014)
      1. Phylogenetic conservatism of tolerance to freezing temperatures has been cited to explain the tendency of plant lineages to grow in similar climates. However, there is little information about whether or not freezing ...
    • Decadal trends in the pollinator assemblage of Eucryphia cordifolia in Chilean rainforests 
      Smith Ramírez, Cecilia; Ramos Jiliberto, Rodrigo; Valdovinos, Fernanda S.; Gajardo Martínez, Paula Natalia; Castillo, Jessica A.; Armesto, Juan J. (Springer, 2014)
      Long-term studies of plant–pollinator interactions are almost nonexistent in the scientific literature. The objective of the present study was to determine changes and trends in the pollinator assemblage of ulmo (Eucryphia ...
    • Quantifying climate change in Huelmo mire (Chile, Northwestern Patagonia) during the Last Glacial Termination ... 
      Massaferro, Julieta; Larocque Tobler, Isabelle; Brooks, Stephen J.; Vandergoes, Marcus; Dieffenbacher Krall, Ann; Moreno Moncada, Patricio (Elsevier, 2014)
      The development of quantitative temperature reconstructions in regions of paleoclimate interest is an important step for providing reliable temperature estimates in that region. Fossil chironomid assemblages have been studied ...
    • Crystal structure and magnetic properties of titanium-based CuTi2−xMxS4 and CuCr2−xTixSe4 chalcospinels 
      Barahona Huenchumil, Patricia Mabel; Galdámez Silva, Antonio; López Vergara, F.; Manríquez Castro, Víctor; Peña, O. (Elsevier, 2014)
      CuTi2−xM xS4 (M =Fe, Mn, Co; x =0.3, 0.5) and CuCr2−xTixSe4 (x =0.3, 0.5, 0.7) chalcospinels were synthesized by conventional solid-state reactions. Their crystal structures were determined by single-crystal X-ray ...
    • Copper substitutions in synthetic miargyrite α-AgSbS2 mineral: synthesis, characterization and dielectrical ... 
      Galdámez, A.; López Vergara, F.; Veloso Cid, N.; Manríquez Castro, Víctor; Ávila, R. E. (Elsevier, 2014)
      The nominal compositions Ag0.8Cu0.2SbS2 and Ag0.7Cu0.3SbS2 have been synthesized by conventional ceramic solid-state reaction at high temperature. X-ray diffraction (XRD) and scanning electron microscopy chemical analysis ...
    • Phylogeography and population history of Leopardus guigna, the smallest American felid 
      Napolitano, Constanza; Johnson, Warren E.; Sanderson, Jim; O’Brien, Stephen J.; Hoelzel, A. Rus; Freer, Rachel; Dunstone, Nigel; Ritland, Kermit; Ritland, Carol E.; Poulin, Elie (Springer Science+Business Media, 2014)
      The guigna (Leopardus guigna) is the smallest and most-restricted New World cat species, inhabiting only around 160,000 km2 of temperate rain forests in southern South America and is currently threatened by habitat ...
    • Phylogenetic perspectives on biome shifts in Leucocoryne (Alliaceae) in relation to climatic niche evolution ... 
      Jara Arancio, Paola; Arroyo, Mary T. K.; Guerrero, Pablo C.; Hinojosa Opazo, Luis; Arancio, Gina; Méndez, Marco (John Wiley, 2014)
      Aim Shifts between the western South American sclerophyll and winter-rainfall desert biomes and their relationship to climatic niche evolution and aridity development were investigated in the South American endemic ...
    • Phylogeographic Structure in Benthic Marine Invertebrates of the Southeast Pacific Coast of Chile with ... 
      Haye, Pilar A.; Segovia, Nicolás I.; Muñoz Herrera, Natalia C.; Gálvez, Francisca E.; Martínez, Andrea; Meynard, Andrés; Pardo Gandarillas, María Cecilia; Poulin, Elie; Faugeron, Sylvain (2014)
      The role of dispersal potential on phylogeographic structure, evidenced by the degree of genetic structure and the presence of coincident genetic and biogeographic breaks, was evaluated in a macrogeographic comparative ...