Results 1 to 10 of about 3,118 (165)

Use of Open Surface Plasmon Resonance (OpenSPR) to Characterize the Binding Affinity of Protein–Protein Interactions [PDF]

open access: yesBio-Protocol, 2023
Surface Plasmon Resonance (SPR) is a label-free optical technique to assess protein–protein interaction kinetics and affinities in a real-time setting. Traditionally, Biacore SPR employs a continuous film of gold to detect any change in the angle of re ...
Cassie Zhu, Jianhua Li, Haichao Wang
doaj   +2 more sources

Emplacement of Jurassic-Lower Cretaceous radiolarites of the Nicoya Complex (Costa Rica) [PDF]

open access: yesGeologica Acta, 2006
We present a new model to explain the origin, emplacement and stratigraphy of the Nicoya Complex in the NW part of the Nicoya Peninsula (Costa Rica) based on twenty-five years of field work, accompanied with the evolution of geochemical, vulcanological ...
P. DENYER, P. O. BAUMGARTNER
doaj   +2 more sources

The vanishing advantage of longevity in Nicoya, Costa Rica: A cohort shift [PDF]

open access: yesDemographic Research, 2023
BACKGROUND: The Nicoya region in Costa Rica has been identified as one of a handful of hotspots of extreme longevity. The evidence supporting this status comes mostly from observing the 1990 and 2000 decades and cohorts born before 1930.
Luis Rosero-Bixby
doaj   +1 more source

Cultura, revolución y hegemonía: reseña de La isla gigante: Cuba y su cultura contemporánea. Principales vínculos con América Latina (1959-2016), de Antonio Álvarez Pitaluga

open access: yesRevista de Historia, 2020
El libro reseñado aquí centra su análisis en la producción cultural cubana desde el triunfo de la Revolución Cubana hasta el presente. Haciendo uso del concepto de hegemonía cultural de Gramsci, este texto muestra cómo se ha desarrollado la relación ...
Esteban Barboza Núñez
doaj   +1 more source

Imigrantes chineses nas terras baixas da península de Guanacaste, na Costa Rica: crônicas de integração social e parentesco de alguns clãs familiares de Puntarenas, Abangares e Nicoya

open access: yesDiálogos, 2020
O objetivo deste artigo é descrever o grau de parentesco existente entre várias famílias de origem chinesa que se estabeleceram em Nicoya e analisar como isso influenciou suas contribuições para o desenvolvimento socioeconômico da cidade e seus padrões ...
Lai Sai Acón Chan
doaj   +1 more source

Impresiones y recuerdos: José Silverio Gómez 1801-1904. [PDF]

open access: yesPoblación y Salud en Mesoamérica, 2011
Ensayo  del conservacionista  Henri  Pittier  (1857-1950) realizado en 1904. Es posiblemente el primer testimonio sobre la excepcional longevidad de los habitantes de la Península de Nicoya, Costa Rica.
Henri Pittier
doaj   +2 more sources

Differential histopathology of three bacterial diseases that affect the hepatopancreas of penaeid shrimp.

open access: yesAgronomía Mesoamericana, 2015
The objective of this work was to characterize the injuries caused by the acute hepatopancreatic necrosis; the necrotizing hepatopancreatitis, and septic hepatopancreatic necrosis in shrimp farming.
Alexander Varela-Mejías   +1 more
doaj   +1 more source

Epigenome-wide association study and epigenetic age acceleration associated with cigarette smoking among Costa Rican adults

open access: yesScientific Reports, 2022
Smoking-associated DNA methylation (DNAm) signatures are reproducible among studies of mostly European descent, with mixed evidence if smoking accelerates epigenetic aging and its relationship to longevity. We evaluated smoking-associated DNAm signatures
Andres Cardenas   +11 more
doaj   +1 more source

Soft corals (Cnidaria, Alcyonacea) from the Gulf of Nicoya estuary, Pacific of Costa Rica: a checklist

open access: yesCuadernos de investigación UNED, 2021
Introduction: The Gulf of Nicoya is the most important estuary on the Pacific coast of Costa Rica. Information on the presence of soft corals is scattered in the literature and in museum collections.
José A. Vargas, Odalisca Breedy
doaj   +1 more source

Home - About - Disclaimer - Privacy