Results 101 to 110 of about 18,668 (186)
Epistemic opacity in Antarctic science: Unknowing the last frontier
Abstract Antarctica is facing intensifying pressures from climate change, industrial fishing, tourism and renewed geopolitical competition, even as scientific activity on the continent reaches unprecedented levels. We argue that this proliferation of research often fails to deliver the integrated, policy‐relevant knowledge needed for precautionary ...
Virginia Morandini, Álvaro Soutullo
wiley +1 more source
La información para la elaboración de esta ponencia se obtuvo a partir de: I) encuestas realizadas a los docentes e investigadores que en la Argentina desarrollan sus actividades dentro del campo de la Antropología Biológica.
Francisco R. Carnese +1 more
core
Background and Aims: Burmannia tenella is a holo-mycoheterotrophic species widely distributed in the Amazon Biome. The objectives of this study are to report the presence of this species in Costa Rica, to present an overview of its geographic ...
Leonardo Álvarez Alcázar +2 more
doaj +1 more source
ABSTRACT We present the first x‐ray crystallographic structural evidence of an archaeal DNA ligase showing the AMP covalent adduct together with further cofactor hydrolysis, capturing a transient intermediary in the first step of the ligation reaction, triggered by the pyrophosphate hydrolysis.
A. X. Quintana‐Armas +3 more
wiley +1 more source
La construcción y eldesarrollo de comunidades de investigación en Colombia es un gran reto, enespecial cuando el país solo invierte 0,37% del pib(Monsalve, 2011), a pesar de ello, los académicos han realizado importantes esfuerzos:el Ranking ...
Montoya, Iván Alonso +2 more
core +2 more sources
ABSTRACT Bacteria of the order Rickettsiales comprise a diverse group of obligate intracellular microorganisms that are globally distributed and highly prevalent in tropical and subtropical regions. In South America, these bacteria have been associated with arthropod vectors, such as ticks, fleas, mites, lice, and certain dipterans, as well as with a ...
Cristian J. Zamorano‐Gómez +3 more
wiley +1 more source
Grupo Infantil Diversibio : tejiendo nuestra diversidad biológica y cultural
Spa: La presente investigación escolar es una propuesta Presentada ante el Centro de Investigación de la Universidad Pedagógica Nacional-CIUP- en el que se intenta consolidar y fortalecer un grupo infantil denominado DIVERSIBIO: "Tejiendo nuestra ...
Parra Rivera, Paula Milena +2 more
core
Graphical abstract illustrating the development of quinoa protein (QP) nanocarriers for the encapsulation of resveratrol (RSV) and tocopherol (TOC). ABSTRACT The objective of this work was to generate and characterize complexes of quinoa proteins (QP) with either resveratrol (RSV) or tocopherol (TOC) whose dimensions fell into the nanoscale.
Alejandra J. Rubinstein +3 more
wiley +1 more source
La investigación en la Reserva Biológica Alberto Ml Brenes, San Ramón, Costa Rica (1975-2005)
Se hace una reseña de la investigación en la Reserva Biológica Alberto Ml. Brenes (San Ramón, Costa Rica); se analizan cerca de 340 publicaciones relacionadas con la investigación en períodos de 5 años, desde 1975 a 2005.
Salazar Rodríguez, Alberto Hámer
core
Abstract Systematic knowledge of the Mexican Crassulaceae is slowly progressing as data from new DNA regions and species sampling efforts increase. We compiled and generated new rbcL, matK, rps16, ITS/ITS2, and ETS DNA sequences and performed an updated phylogenetic reconstruction for a group of 131 Mexican Crassulaceae terminals from 11 of the 13 ...
Luis Emilio de la Cruz‐López +1 more
wiley +1 more source

