Listar Investigación por título
Mostrando ítems 5890-5909 de 19075
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Distribución, ecología y conservacion de la avifauna de la cuenca del río Savergre, Costa Rica
(2004)Presentamos en este trabajo información sobre la riqueza, distribución y patrones de endemismo de la cuenca del río Savegre. Adicionalmente, incluimos información general sobre la dieta, condición (ej., residente o migratoria) ... -
Distribución, estabilidad y asociación de la aflatoxina m1 con las principales proteínas de la leche de vaca, durante la manufactura y almacenamiento de queso fresco similar al queso Turrialba elaborado en Costa Rica
(2023)Las micotoxinas son productos naturales originados por el metabolismo secundario de varios hongos toxigénicos que existen en la naturaleza. Las aflatoxinas B1 (AFB1), B2 (AFB2), G1 (AFG1) y G2 (AFG2) son un grupo de ... -
Distributed Water Demand Computation Using Remote Sensing Techniques
(2014-07)The Arenal-Tempisque irrigation district is located in the lower part of the Tempisque and Bebedero basins. It is the major irrigation project of Costa Rica (59960 ha) and is divided into eight sub-districts. It has ... -
Distribution and diversity of begomoviruses in tomato and sweet pepper plants in Costa Rica
(2017)Begomoviruses (genus Begomovirus, family Geminiviridae) have emerged as important plant pathogens in tropical and subtropical regions worldwide. Although these viruses were reported during the 1970s in Costa Rica, they are ... -
Distribution and diversity of echinoderms (Asteroidea, Echinoidea, Holothuroidea) in the islands of the Gulf of Chiriqui, Panama
(2012-04)Los estudios de equinodermos en el Pacífico Panameño han sido enfocados principalmente en análisis moleculares y evolutivos, y los pocos trabajos ecológicos se han enfatizado en dos especies: Diadema mexicanum y Acanthaster ... -
Distribution and ecology of myxomycetes in the high-elevation oak forests of Cerro Bellavista, Costa Rica
(2007)Myxomycetes associated with a high-elevation (.3000 m) oak forest in the Talamanca Range of Costa Rica were studied for 7 mo. Field collections were supplemented with collections obtained from moist chamber cultures ... -
Distribution and Evolution of CTG Repeats at the Myotonin Protein Kinase Gene in Human Populations
(1996)We have analyzed the CTG repeat length and the neighboring Alu insertion/deletion (+/-) polymorphism in DNA samples from 16 ethnically and geographically diverse human populations to understand the evolutionary dynamics ... -
Distribution and reproduction of Ambidexter panamense and Palaemonetes schmitti in Pacific Costa Rica (Crustacea, Decapoda)
(1990)Este constituye el primer registro de las especies de carídeos P. schmitti y A. panamense para Costa Rica. Adultos de ambas especies fueron colectados en el estero de Punta Morales, Golfo de Nicoya, de enero a diciembre ... -
Distribution Network Model Builder for OpenDSS in Open Source GIS Software
(2016-09-21)This paper presents a tool to automatically generate distribution network models for the power engineering software OpenDSS. The tool was developed in a free and open source Geographical Information System (GIS) software ... -
Distribution of Open Reading Frames of Plasticity Region of Strain J99 in Helicobacter pylori Strains Isolated from Gastric Carcinoma and Gastritis Patients in Costa Rica
(2000)The plasticity region of Helicobacter pylori strain J99 is a large chromosomal segment containing 33 strain-specific open reading frames (ORFs) with characteristics of a pathogenicity island. To study the diversity of the ... -
Distribution of serotypes of human rotavirus in different populations
(1992-04)Serotyping is a useful tool to study the cpidemiologic characteristics of rotaviruses in large populations and to assess the need for a vaccine to protect against all strains. By using an enzyme immunoassay with seroty ... -
Distribution, stability, and protein interactions of Aflatoxin M1 in fresh cheese
(2017)Aflatoxin M1 (AFM1), a metabolite resulting from the hepatic metabolism of aflatoxin B1, is a potential carcinogen that can be found in milk, cheese, and others dairy products. In this work, we aimed to elucidate the ... -
Distrofia Miotónica tipo 1: Fisiopatología y Avances en la Terapia Génica
(2014-12)La distrofa miotónica tipo 1 (la enfermedad muscular hereditaria mas común en el adulto joven) es causada por una expansión de la tripleta citosina-timinaguanina (CTG), la cual es inestable en las líneas germinal y ... -
Disyuntiva: Termografía o ultrasonido para evaluar efecto agudo de equipo de ejercicio
(2019)En el contexto del Seminario 2019 del PRIS-LAB de la Universidad de Costa Rica, se planteó a los asistentes la necesidad de una medida confiable del flujo sanguíneo localizado durante el ejercicio. Esto como recurso para ... -
Diterpenes and sesquitrpenes from Mikania banisteriae
(1997)Two new ent-kaurane diterpenes, 18,19-diacetoxy-ent-kaur-16-ene and 17-oxo-ent-kaur-15(16)-en-18-oic acid, were isolated from the aerial parts of Mikania banisteriae, together with the known ent-kauranes ent-kaur-16-en-18-oic ...