Investigación
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Recent Submissions
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Pruebas fisicoquímicas para la evaluación de la calidad de una marca costarricense de tisanas de valeriana
(2018)La ingesta del té en la población se ha tornado una práctica cotidiana para la administración de sustancias con propiedades farmacológicas, como la valeriana. Los objetivos fueron evaluar algunos aspectos de la calidad ... -
Control de calidad de un colirio comercializado en las macrobióticas de Costa Rica que declara contener materias primas naturales
(2017)Justificación y objetivo: El Reglamento Técnico Centroamericano (RTCA) 11.03.64:11 (Productos Farmacéuticos. Productos Naturales Medicinales para Uso Humano. Registro Sanitario) especifica que los colirios no se pueden ... -
Importance of the Quality Control of Herbal Teas: Evaluation of Two Senna Leaf Tisanes Brands Commercialized in Costa Rica through Physicochemical and Microbiological Assays Stipulated in the Central American Technical Regulation 11.03.56.09
(2018)The senna leaf contains a powerful natural laxative called anthraquinone. Despite this indication, the quality control of this raw material is not strict, compared to other substances with pharmacological properties, which ... -
Quality verification of six medicines in wholes and halves tablets, re-packaged in individual plastic compartments during sixty days
(2017)Plastic boxes with individual compartments are often used to improve medication compliance and only a few studies have been done on the stability of the tablet halves after placing them on these devices. In this investigation, ... -
Physicochemical and Microbiological Assays for Quality Evaluation of a Brand of Mentha piperita Tisanes in Costa Rica Market: Employment of the Central American Technical Regulation
(2018)Mentha piperita is a natural hybrid of water mint (Mentha aquatica) and spearmint (Mentha spicata L.), that are consumed as tisanes. For that reason, the present work evaluated physicochemical and microbiological aspects ... -
Phytochemical characterization of extracts of the mesocarp of Bactris gasipaes and evaluation of its antioxidant power for pharmaceutical dermal formulations
(2019)The Bactris gasipaes is a native palm from Central America which its fruit is known as pejibaye, its wood is also used for the manufacture of various utensils, the marrow of its tender stems is edible and it is called ... -
A worldwide comparative-diagnostic study of medicinal natural products regulatory status
(2016)Herbal products encompass a variety of preparations of plant origin that are the oldest form that humanity has been using to treat diseases, a practice that has grown enormously in the last decade. The aim of this study ... -
Brucelosis en Costa Rica: epidemiología y desarrollo de estrategia para su control
(2020)La brucelosis causada por Brucella abortus es una zoonosis de importancia mundial que afecta a animales domésticos, silvestres. La evolución histórica del problema en Costa Rica, desde su primer reporte en los inicios del ... -
Las infracciones aduaneras (administrativas, tributarias aduaneras y penales); un análisis jurisprudencial y su aplicación efectiva a la luz de la lga, CAUCA IV y RECAUCA: propuesta de interpretación y reforma
(2020)El presente Proyecto Final de Investigación Aplicada pretende analizar la situación actual de las infracciones aduaneras establecidas en el marco jurídico aduanero. Es importante mencionar aquí, que la Ley General de ... -
Dos visiones de la crisis política del mundo moderno: la Escuela de Frankfurt y el escritor costarricense Vicente Sáenz
(2020-03)Este trabajo aborda lo que he llamado “la crisis política del mundo moderno”. Lo hace a partir de dos visiones: la de la Escuela de Frankfurt y la del escritor costarricense Vicente Sáenz. Tres autores contemporáneos que ... -
Exploración neuropsicológica
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New insights into the molecular phylogeny of the swimming crabs of the genera Portunus Weber, 1795 and Achelous De Haan, 1833 (Brachyura: Portunidae) of the Americas
(2018)Earlier studies of swimming crabs (family Portunidae) in the Americas suggested polyphyly of Portunus Weber, 1795. Our previous molecular analyses provided evidence for a subdivision of the genus, resulting in a reassignment ... -
Seagrass organic carbon stocks show minimal variation over short time scales in a heterogeneous subtropical seascape
(2018)Blue carbon initiatives require accurate monitoring of carbon stocks. We examined sources of variability in seagrass organic carbon (Corg) stocks, contrasting spatial with short temporal scales. Seagrass morphology and ... -
La lectura de textos multimodales en el uso de redes sociales: Estudio exploratorio con el uso del registro de movimientos oculares
(2020-03)El uso de equipos de seguimiento ocular (eye tracker) en la investigación lingüística se relaciona comúnmente con estudios de carácter experimental (Preisig et al., 2015; Damaskinidis et al., 2018; Allopenna, Magnuson, & ... -
Digital Cultures in the Americas
(2020-03)More than two decades have passed since the publication of two seminal books in the study of digital cultures in Latin America. First was Ciberculturas en la era de las máquinas inteligentes (Piscitelli, 1995), published ... -
ICSEM10 Slideshow
(2020-03-03)This is a slideshow produced for the 10th International Congress on the Systematics and Ecology of Myxomycetes, held in the city of Turrialba (UCR, Sede del Atlántico) in February 2020. -
The new Refugium Botanicum. Maxillariella (Maxillaria) tenuifolia
(2017)Maxillariella tenuifolia (Lindl.) M.A. Blanco & Carnevali, Lankesteriana 7(3): 530. 2007. Basionym: Maxillaria tenuifolia Lindl., Edwards’s Botanical Register 23: sub. t. 1986. 1837. Type: “a native of ... -
The New Refugium Botanicum. Guarianthe skinneri
(2017)Guarianthe skinneri (Bateman) Dressler & W.E.Higgins, Lankesteriana 7:38 (2003). Basionym: Cattleya skinneri Bateman, Orchid. Mex. Guat. 1839. Type: Habitat in Guatemala, G. Skinner s.n. (holotype, K). Epiphytic, ...
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