Investigación
Subcomunidades en esta comunidad
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Artes y letras [643]
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Ciencias agroalimentarias [1606]
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Ciencias básicas [1858]
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Ciencias sociales [4775]
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Ingeniería [1649]
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Salud [2962]
Envíos recientes
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A new Stelis (Orchidaceae: Pleurothallidinae) from the western Andes of Colombia
(2020)Stelis excentrica, a new species endemic to the Cauca slope of the western Andes, municipality of Cali, Valle del Cauca, Colombia, is described and illustrated. It was found in the northern part of the Farallones de Cali ... -
The genus Muscarella (Orchidaceae): two new synonyms
(2019-02-17)Recently, the new monospecific genus Vaginaella Vierling (2018: 19) was proposed to accommodate the proposed species Vaginaella stromatolithoides Vierling (2018: 19). After comparing the original description and illustration ... -
Análisis económico: un estudio de caso en Jatropha curcas L. mediante la metodología de presupuestos parciales
(2018-01)La metodología de presupuestos parciales es una forma de análisis económico importante porque considera que los costos varían entre diferentes tratamientos provenientes de ensayos agrícolas, sin tener que llegar de forma ... -
Zygopetalinae novae et criticae (Orchidaceae)
(2019)The new genus Pridgeonia, and eight new orchid species in the genera Benzingia, Daiotyla, Dichaea, Ixyophora, and Pridgeonia, all belonging to the subtribe Zygopetalinae, are described. Complete descriptions, with notes ... -
A new species of Pabstiella (Pleurothallidinae, Orchidaceae) from Ecuador
(2021)Pabstiella elegans is newly described based on cultivated material originally collected near Chaucha in Ecuador. It belongs to the group of small, creeping species of Pabstiella section Mentosae and differs from its closest ... -
Estudio técnico-ambiental, legal y de costos para el manejo de suero de la leche de una planta de lácteos
(2021-10)El suero de la leche es un subproducto de la producción del queso, es altamente contaminante si se vierte en cuerpos de agua, esto por los altos niveles de DBO y DQO. En Costa Rica, para el 2016, se dedicaban 466 millones ... -
Breast Cancer: A Public Health Issue that is also Subject of Social Construction
(2020)Breast cancer claims thousands of lives all over the world every year. A historical perspective on the social construction of breast cancer policy is presented. This mini review examines breast cancer through a historical ... -
Time-dependent changes in striatal monoamine levels and gene expression following single and repeated amphetamine administration in rats
(2021)As drug addiction may result from pathological usurpations of learning and memory’s neural mechanisms, we focused on the amphetamine-induced time-dependent neurochemical changes associated with neural plasticity. We used ... -
La promoción de la lactancia materna y la alimentación del bebé en la comunidad: experiencia del proyecto PROLAMANCO
(2020-11)Una adecuada nutrición y alimentación durante la infancia y niñez temprana es esencial para asegurar que los niños alcancen todo su potencial en relación al crecimiento, salud y desarrollo. A pesar de la evidencia científica ... -
Reproductive biology of Phragmipedium longifolium and floral anatomy associated with pollinators attraction in the genus
(2019)Phragmipedium is a genus with 21 species restricted to the tropics and subtropics from Central and South America. As it is a genus capable of producing seeds from both self- and cross-pollinated flowers, it is an ideal ... -
Projected impact of diabetes on the Costa Rican healthcare system
(2020)Introduction: Costa Rica, similar to many other Latin American countries is undergoing population aging at a fast pace. As a result of the epidemiological transition, the prevalence of diabetes has increased. This condition ... -
TAZ Controls Helicobacter pylori-Induced Epithelial–Mesenchymal Transition and Cancer Stem Cell-Like Invasive and Tumorigenic Properties
(2020)Helicobacter pylori infection, the main risk factor for gastric cancer (GC), leads to an epithelial–mesenchymal transition (EMT) of gastric epithelium contributing to gastric cancer stem cell (CSC) emergence. The Hippo ... -
The New Refugium Botanicum. Pleurothallis luna-crescens
(2020)Descripción de un espécimen de Pleurothallis luna-crescens -
El sitio arqueológico Retes (C-378Re), un hallazgo excepcional en la falda del volcán Irazú durante la fase Cartago (ca. ~1000 d. C.): contextualización geológica, geográfica, cronológica y cultural
(2021-07)Por primera vez se le asigna una ubicación más precisa y contexto geoarqueológico moderno al sitio Retes (C-378 Re), localizado a una altitud de 2683 m s.n.m. y asociado a la fase Cartago (800- 1500 d. C.) de la secuencia ... -
Evaluating an automated procedure of machine learning parameter tuning for software effort estimation
(2021-08-10)Software effort estimation requires accurate prediction models. Machine learning algorithms have been used to create more accurate estimation models. However, these algorithms are sensitive to factors such as the choice ... -
On the meaning of Cypripedium × grande (Orchidaceae) and its taxonomic history, with a new name for the nothospecies occurring in Costa Rica and Panama
(2018-12-11)The taxonomic history of Phragmipedium × grande is traced to show that its current treatment as the cross between P. longifolium and P. humboldtii is untenable. According to our interpretation of the holotype and other ... -
Reproductive biology of Phragmipedium longifolium and floral anatomy associated with pollinator attraction in the genus
(2019-09)Phragmipedium is a genus with 21 species restricted to the tropics and subtropics from Central and South America. As it is a genus capable of producing seeds from both self- and cross-pollinated flowers, it is an ideal ... -
Biogeographical analyses to facilitate targeted conservation of orchid diversity hotspots in Costa Rica
(2020-04-13)Aim: We conduct a biogeographical assessment of orchids in a global biodiversity hotspot to explore their distribution and occurrences of local hotspots while identifying geographic attributes underpinning diversity ... -
Experiencias de resistencia juvenil frente a la opresión hacia las sexualidades disidentes en San Ramón de Alajuela
(2018)Este artículo aborda las prácticas de resistencia desarrolladas por algunas agrupaciones juveniles ubicadas en el cantón de San Ramón de Alajuela frente a actos de discriminación hacia las sexualidades disidentes experimentados ... -
Leukaemia Inhibitory Factor (LIF) inhibits cancer stem cells tumorigenic properties through hippo kinases activation in gastric cancer
(2020)Cancer stem cells (CSCs) present chemo-resistance mechanisms contributing to tumour maintenance and recurrence, making their targeting of utmost importance in gastric cancer (GC) therapy. The Hippo pathway has been ...
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