Revistas Científicas y Artículos: Envíos recientes
Mostrando ítems 301-320 de 570
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Recent Changes in Patch Characteristics and Plant Communities in the Jalca Grasslands of the Peruvian Andes.
(Elsevier Ltd., 2012)Habitat loss and fragmentation are considered major threats to biodiversity, especially in tropical mountain ecosystems. Most studies focus on the relationships between biodiversity and patch characteristics such as patch ... -
Molecular characterisation of Galba truncatula, Lymnaea neotropica and L. schirazensis from Cajamarca, Peru and their potential role in transmission of human and animal fascioliasis.
(Elsevier Ltd, 2012)Background Human and animal fascioliasis is emerging in many world regions, among which Andean countries constitute the largest regional hot spot and Peru the country presenting more human endemic areas. A survey was ... -
Accumulation of Pb and Zn in Bidens triplinervia and Senecio sp. spontaneous species from mine spoils in Peru and their potential use in phytoremediation.
(Elsevier Ltd, 2012)Heavy metal toxicity has become a global concern due to the ever-increasing contamination of soil, water and crops. Until recent decades little has been known about the remediation of mining sites using spontaneous plants ... -
Variabilidad morfológica y evaluación agronómica de maukas Mirabilis expansa (Ruiz & Pav.) Standl. del norte peruano.
(Facultad de Ciencias Biologicas, Universidad Nacional Mayor de San Marcos., 2012)Se estudiaron 40 entradas de mauka, chago o miso, Mirabilis expansa (Nyctaginaceae), para determinar la variabilidad morfológica, la distribución geográfica y el comportamiento agronómico del germoplasma, colectado ... -
The use of antibiotics on small dairy farms in rural Peru.
(Elsevier Ltd, 2014)Very little is known about the use of antibiotics on small dairy farms in lower/middle-income countries. The use of these drugs can have profound impacts on animal health, farmer income and public health. A survey of 156 ... -
Antibiotic residues in milk from small dairy farms in rural Peru.
(Taylor and Francis Ltd., 2014)The use of antibiotics in livestock can pose a public health threat, especially if antibiotic residues remain in the food product. Understanding how often and why farmers sell products with antibiotic residues is critical ... -
The history of nursing in Peru: Social determinants of its construction in the twentieth century.
(Universidad de La Sabana., 2014)Objetivos: estudiar las características sociales, culturales y sanitarias como determinantes sociales de la creación, formación y desarrollo de la enfermería profesional del Perú en el siglo XX. Materiales y métodos: estudio ... -
Heavy metal and metalloids intake risk assessment in the diet of a rural population living near a gold mine in the Peruvian Andes (Cajamarca).
(Elsevier Ltd., 2014)This study evaluates the diet composition of a rural population near a gold mine in the Cajamarca district of Peru. The main consumed items by this population were tubers and cereals, and the mean energy intake (1990 kcal) ... -
Variability in sesquiterpene lactones from the leaves of yacon (Smallanthus sonchifolius) accessions of different geographic origin.
(Kluwer Academic Publishers., 2014)The sesquiterpene lactones (STLs) content of glandular trichomes from the leaves of twenty-five yacon (Smallanthus sonchifolius, Asteraceae) accessions, obtained along a latitudinal gradient from Ecuador to northwest ... -
Testing albendazole resistance in Fasciola hepatica: Validation of an egg hatch test with isolates from South America and the United Kingdom.
(Cambridge University Press., 2014)The main goal of the current work was to develop and validate an in vitro fluke egg hatch test, as a method for the detection of albendazole (ABZ) resistance in the liver fluke, Fasciola hepatica. Fluke eggs (200/ml, n= ... -
Pharmacokinetic evaluation of different generic triclabendazole formulations in heifers.
(Taylor and Francis Ltd., 2014)AIMS: To assess the comparative drug systemic exposure of a reference (RF) and four test (Test I, Test II, Test III and Test IV) formulations of triclabendazole (TCBZ) in heifers. METHODS: Thirty Holstein heifers were ... -
Comparison of two methods for collecting antibiotic use data on small dairy farms.
(Elsevier., 2014)Antibiotics are commonly used in animal agriculture; they can improve animal health and productivity, but their use may also represent a public health threat. Very little is known about antibiotic use on small farms in ... -
Coreopsis sect. Pseudoagarista (Asteraceae: Coreopsideae): molecular phylogeny, chromosome numbers, and comments on taxonomy and distribution.
(International Association for Plant Taxonomy., 2014)Coreopsis (Asteraceae) sect. Pseudoagarista is the largest section in the genus. It is disjunct between the high mountains of Mexico and high elevations in the Andes. Most species in the section are similar in floral and ... -
Inmunidad Celular en Ganado Vacuno Lechero Naturalmente Infectado con Fasciola hepatica en Cajamarca, Perú.
(Universidad Nacional Mayor de San Marcos., 2015)La fasciolosis producida por Fasciola hepatica es una importante enfermedad parasitaria de la ganadería en muchos países. En Cajamarca, Perú, se reportan prevalencias superiores al 80% en el ganado lechero. El objetivo del ... -
Triclabendazole sulfoxide causes stage-dependent embryolethality in zebrafish and mouse in vitro.
(Public Library of Science., 2015)Background Fascioliasis and paragonimiasis are widespread foodborne trematode diseases, affecting millions of people in more than 75 countries. The treatment of choice for these parasitic diseases is based on triclabendazole, ... -
Similitud hidráulica de sistemas hidrológicos altoandinos y transferencia de información hidrometeorológica.
(Instituto Mexicano de Tecnologia del Agua., 2015)El objeto de este estudio fue determinar las leyes que rigen la similitud hidráulica entre sistemas hidrológicos altoandinos. Para ello, los parámetros adimensionales en hidrología, al igual que en hidráulica de modelos ... -
Betalactamasas de espectro extendido tipo TEM y CTX-M en Klebsiella spp y Escherichia coli aisladas de superficies de ambientes hospitalarios.
(Instituto Nacional de Salud., 2015)El objetivo del estudio fue determinar el genotipo BLEE de 15 cepas de enterobacterias resistentes a betalactámicos, aisladas de superficies inanimadas y caracterizadas fenotípicamente como productoras de betalactamasas ... -
A single amino acid substitution in isozyme GST mu in Triclabendazole resistant Fasciola hepatica (Sligo strain) can substantially influence the manifestation of anthelmintic resistance.
(Academic Press Inc., 2015)The helminth parasite Fasciola hepatica causes fascioliasis in human and domestic ruminants. Economic losses due to this infection are estimated in U$S 2000-3000 million yearly. The most common method of control is the use ... -
Evapotranspiração e coeficiente de cultivo do feijão-caupi cultivado em solo do cerrado submetido à cobertura morta.
(Universidade Estadual Paulista., 2016)O conhecimento dos parâmetros hídricos de uma cultura é fundamental para o incremento da produtividade sem o desperdício de água. Objetivou-se com o presente trabalho determinar a evapotranspiração (ETc) e o coeficiente ...
