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Oral administration of Costa Rican guava (Psidium friedrichsthalianum) juice induces changes in urinary excretion of energy-related compounds in Wistar rats determined by 1H NMR
(2020-08)
Introduction: Psidium friedrichsthalianum fruits have in vitro antioxidant activity and their intake has been suggested to have potential health benefits; however, there is still no evidence on the potential in vivo effect ...
Two new species of Rhagovelia (Hemiptera: Heteroptera: Veliidae) from Costa Rica, with a key and new records from the country
(2015)
Rhagovelia danpolhemi sp. nov., from the Caribbean Slope of Costa Rica and R. springerae sp. nov., from the northern portion of the country, are described, illustrated, compared with similar species, and included in a key ...
Inventario florístico de la Reserva Biológica Alberto Ml. Brenes en San Ramón
(2014-01-28)
A partir de 1978 se incician las actividades docentes-administrativas y de investigación en la Reserva Biológica, por lo que se hizo necesario conocer su biodiversidad.Este proyecto de tuvo como objetivos: conocer la ...
Male song variation of Green Violetear (Colibri thalassinus) in the Talamanca Mountain Range, Costa Rica
(2008)
We studied variation in acoustic and temporal characteristics of the static male song of the Green Violetear (Colibri thalassinus) in a single population in Costa Rica. The static song of 19 males was extremely variable. ...
Especies potenciales de thrips (Insecta:Thysanoptera:Thripidae) en la polinización del mango (Mangifera indica L) en Costa Rica
Thrips species (Insecta:Thysanoptera:Thripidae) with potential for pollination in Mango (Mangifera indica L) in Costa Rica
(2015-07-16)
La polinización a través de insectos es la responsable de la fecundación de la mayor parte de las plantas de producción alimentaria, en ausencia de estos cerca de un tercio de los cultivos deberían ser polinizados por otros ...
Medicinal plants popularly used for gastrointestinal disorders in Costa Rican Central Valley
(2004)
Abstract : A survey was conducted of medicinal plants for gastrointestinal disorders used by inhabitants of the Central Valley in Costa Rica by means of interviews with medicinal plant vendors of the central markets of the ...
One-Pot Conversion of Aldehydes and Ketones into 1-Substituted and 1,4-Disubstituted 1,3-Enynes
(2018)
Sequential treatment of 2,3-dichloropropene with magnesium and n-BuLi generates the operational equivalent of 1,3-dilithiopropyne, which upon treatment with aldehydes or ketones, produces the corresponding alkoxy lithium ...
The effect of noise variation over time and between populations on the fine spectrotemporal characteristics of different vocalization types
(2021-01)
Noise affects the recognition of acoustic signals by masking information. To compensate for increased noise, individuals often increase the minimum frequency of their vocalization to reduce noise interference. Our goal was ...
Especies de trips asociadas a cultivos hortícolas en las provincias habaneras
(Métodos en Ecología y Sistemática, vol. 5, n. 1, p. 30-36, 2010, 2010)
Los trips se caracterizan por constituir plagas en múltiples cultivos, causando daños directos a través de la alimentación o por la diseminación de enfermedades virales a diferentes cultivos, entre los que se encuentran ...