Results 31 to 40 of about 828,167 (250)

Characterization of the atmospheric depth profile using the ground-level temperature: The case of Malargüe, Argentina [PDF]

open access: yes, 2013
We present a study of the atmospheric depth profile and the dependence with its characteristic parameters. We introduce a new model, named GAMMA, based on a parameterization that allows us to obtain the atmospheric depth profile specifying only one ...
Moreno, Juan Cruz, Sciutto, Sergio Juan
core   +3 more sources

Methylation of the Gpat2 promoter regulates transient expression during mouse spermatogenesis [PDF]

open access: yes, 2015
Spermatogenesis is a highly regulated process that involves both mitotic and meiotic divisions, as well as cellular differentiation to yield mature spermatozoa from undifferentiated germinal stem cells.
Cattaneo, Elizabeth Renee   +6 more
core   +2 more sources

New insights into the chemistry of thiolate-protected palladium nanoparticles [PDF]

open access: yes, 2012
This paper establishes the chemical nature of Pd nanoparticles protected by alkanethiolates that were prepared through a ligand place-exchange approach and the two-phase method, first developed for Au nanoparticles by Brust and Schiffrin.
Amaya, Edgar Gilberto   +11 more
core   +2 more sources

Asteroseismology of ZZ Ceti stars with fully evolutionary white dwarf models, I: The impact of tthe uncertainties from prior evolution on the period spectrum [PDF]

open access: yes, 2017
Context. ZZ Ceti stars are pulsating white dwarfs with a carbon-oxygen core build up during the core helium burning and thermally pulsing Asymptotic Giant Branch phases.
Althaus, Leandro Gabriel   +4 more
core   +1 more source

Allosteric Modulation of Pathological Ataxin‐3 Aggregation: A Path to Spinocerebellar Ataxia Type‐3 Therapies

open access: yesAdvanced Science, EarlyView.
This study uncovers a new allosteric site in the Josephin domain of ataxin‐3 targeted by the molecular tweezer CLR01, which modulates protein aggregation, improves synaptic function in neuronal cells, and delays motor dysfunction in animal models.
Alexandra Silva   +28 more
wiley   +1 more source

Producción de cerámicas griegas arcaicas en Huelva

open access: yesArchivo Español de Arqueología, 2017
A fines de la década de los 80 del siglo pasado fue diferenciado en Huelva un conjunto de cerámicas griegas arcaicas caracterizadas por una pasta de coloración verdosa amarillenta.
Fernando González de Canales Cerisola   +1 more
doaj   +1 more source

“La Plata: Civil Axis” (“La Plata en Eje”) [PDF]

open access: yes, 2018
Facultad de Humanidades y Ciencias de la ...
Clérici, Paola   +2 more
openaire   +1 more source

Strong magnetic fields in nonlocal chiral quark models [PDF]

open access: yes, 2017
We study the behavior of strongly interacting matter under a uniform intense external magnetic field in the context of nonlocal extensions of the Polyakov-Nambu-Jona-Lasinio model.
Gomez Dumm, Daniel Alberto   +4 more
core   +3 more sources

Predicting ecology and hearing sensitivities in Parapontoporia—An extinct long‐snouted dolphin

open access: yesThe Anatomical Record, EarlyView.
Abstract Analyses of the cetacean (whale and dolphin) inner ear provide glimpses into the ecology and evolution of extinct and extant groups. The paleoecology of the long‐snouted odontocete (toothed whale) group, Parapontoporia, is primarily marine with its depositional context also suggesting freshwater tolerance.
Joyce Sanks, Rachel Racicot
wiley   +1 more source

Elaboración y prueba de un electrodo para la cuantificación de cloruro de potasio y bromuro de potasio

open access: yesTecnología en Marcha, 2014
Con la idea de mejorar el método potenciométrico para cuantificar cloruro de potasio y bromuro de potasio, se diseñó un electrodo combinado de plata como indicador y cobre/nitrato de cobre como referencia, donde los electrolitos del electrodo no ...
José de Jesús Pérez-Saavedra   +2 more
doaj   +1 more source

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