Results 91 to 100 of about 4,105,172 (174)

Respuesta a la carta al editor “Acerca del comportamiento de anticuerpos anti-SARS-CoV-2 IgG en trabajadores de la salud antes y después de la vacuna”

open access: yesGaceta Médica de México, 2022
César C. Carías-Alvarado   +7 more
doaj   +1 more source

A 4D geometric morphometrics workflow to quantify complex biological motion

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 9, Page 2616-2628, September 2026.
Abstract Quantifying biological motion is fundamentally tied to quantifying the biological structures that produce that motion. Yet, this dependence makes it essential to decouple motion from static morphology to enable general, comparable analyses across individuals and conditions. In this work, we present a methodological pipeline to study biological
Marta Gómez‐Recio   +8 more
wiley   +1 more source

Comportamiento de anticuerpos IgG anti-SARS-CoV-2 en trabajadores de salud pre y posvacunación en un centro oncológico de Guatemala

open access: yesGaceta Médica de México, 2022
César C. Carías-Alvarado   +7 more
doaj   +1 more source

Semisynthesis of Betaxanthins from Purified Betacyanin of Opuntia dillenii sp.: Color Stability and Antiradical Capacity

open access: yesMolecules
The availability of pure individual betalains in sufficient quantities which permit deeper understanding is still a challenge. This study investigates the high-yielding semisynthesis of betaxanthins using betalamic acid from a natural source (Opuntia ...
Silvia Cruz   +5 more
doaj   +1 more source

It Takes Two to Tango: A Pluralist Account for Building Comprehensive Explanations in Human Evolution

open access: yesAmerican Anthropologist, Volume 128, Issue 3, Page 494-510, September 2026.
ABSTRACT The evolutionary study of human dispersal is a key topic in biological anthropology. However, recent research has revealed inconsistencies between molecular and anatomical data across different timescales and geographic regions. Despite increased interdisciplinary dialogue, these discordances are rarely analyzed in depth or interpreted for ...
Lumila Paula Menéndez, Sophie Veigl
wiley   +1 more source

Fish Mass Mortality Events Trigger Energy Transfer via Invertebrate‐Mediated Pathways at the Aquatic–Terrestrial Interface

open access: yesFreshwater Biology, Volume 71, Issue 9, September 2026.
ABSTRACT Animal mass mortality events are increasing under global change, generating large and unpredictable pulses of carrion that can influence ecosystem functioning. Although scavenger dynamics at individual carcasses are relatively well understood, little is known about how terrestrial vertebrate and invertebrate assemblages exploit large carrion ...
Tatiana Pessano‐Serrat   +3 more
wiley   +1 more source

Drastic Biodiversity Transition as a Function of Rainfall Patterns: From Coastal Drylands to Amazonian Rainforests

open access: yesJournal of Biogeography, Volume 53, Issue 9, September 2026.
ABSTRACT Aim By moving beyond traditional biome‐centric approaches to sample continuously across a massive ecotone, we investigate how species richness, community composition, and dominance of woody plants change across a strong longitudinal precipitation gradient and identify thresholds in water availability that drive shifts in community assembly ...
Pablo Salazar Zarzosa   +13 more
wiley   +1 more source

Plan Estratégico para la Diversidad Biológica 2011-2020 y las Metas de Aichi : próximos pasos

open access: yes, 2010
Folleto divulgativo del Plan Estratégico para la Diversidad Biológica 2011-2020. Durante la décima reunión de la Conferencia de las Partes celebrada en 2010 en Nagoya (Japón), se actualizó y aprobó el Plan Estratégico para la Biodiversidad para el ...
Secretaría del Convenio sobre la Diversidad Biológica, Naciones Unidas
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Enseñanza e investigación bioantropológica en la Argentina

open access: yes, 2008
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.
Carnese, Francisco Raúl   +1 more
core  

Investigación educativa y crítica feminista [PDF]

open access: yes, 2003
La producción científica sobre esta temática es todavía muy escasa y me congratula poder aportar pensamientos, investigaciones, reflexiones y vivencias que ayuden a configurar y anclar esta nueva perspectiva en el marco educativo.
Colás Bravo, María Pilar
core  

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