Buscar recursos académicos

Las conclusiones sobre los deslizamientos individualizados en la cordillera neuquina (36°-38°S), (su inducción sísmica; rechazo de la consideración de sus depósitos como till),indujo a proyectar su estudio al sur d...

Introduction . Genital herpes is one of the most common sexually transmitted viral diseases and the most common cause of mucous membrane ulcerations in the genital area. The number of sexually transmitted infections caus...

In recent years, many thermal power units in China that equipped with SCAL type indirect cooling systems have commonly encountered corrosion and leakage problems with aluminum radiators. This study conducted field resear...

Grasslands have to be considered not only as a mean for providing foods for domestic herbivore but also as an important biome of terrestrial biosphere. This function of grasslands as an active component of our environmen...

Surface water is the main source of water in Mosul city. Wastes including liquid and solid is finally reach the surface waters like rivers. As the length of the river increases, the utilization of the river water increas...

The lowermost part of the Agua de la Mula Member (upper Hauterivian), Agrio Formation, was studied in distal depositional settings at four locations in the central Neuquén Basin. Detailed sedimentological and ichnologic...

Assessing land degradation is essential for identifying susceptible regions and planning sustainable landscape management approaches. This research employed a combination of geographic information system (GIS) and multic...

Corrosion is one of the most serious problems facing the industry, which leads to loss billions of dollars annually. It is a complex problem known widly about it and despite intensive experiments and research is still th...

Phytoremediation of areas polluted by heavy metals and toxic metalloids is challenging, particularly in arid regions where limited water availability compromises plant establishment. This study shows that several Atriple...

Sediment deposits formed mainly under the influence of bottom currents (contourites) are widely used as high-resolution archives for reconstructing past ocean conditions. However, the driving processes of Contourite Depo...

Water quality in the Paso Piedras Reservoir has deteriorated, primarily due to periodic blue-green algal blooms, making it temporarily unfit for human consumption. This phenomenon results from the eutrophication of water...

ABSTRACT Tree legumes are an underexploited resource in warm-climate silvopastures. Perceived benefits of tree legumes include provisioning (browse/mast, timber, fuel, human food, natural medicines, and ornamentals), reg...

Abstract Background Video capsule endoscopy is a noninvasive technique for evaluation of the gastrointestinal tract. Objective To investigate the safety of using the video capsule ALICAM in dogs with chronic enteropathy ...

Introduction . Vulvo-vaginal-gingival syndrome is a rare variant of lichen planus. The disease affects mucous membranes of the oral cavity and genitals. It usually affects middle-aged females and most frequently presents...

Con el objetivo de describir y reportar el síndrome erosivo ulceroso gástrico asociado a estrés en Venezuela en una danta (Tapirus terrestris) de sexo macho, de 6 años de edad, con antecedentes de anorexia, depresió...

Se estudió el estómago de 250 cerdos masacre (Sus scrofa), fueron desde el matadero Turmero frigoríficos, estado Aragua, Venezuela. Ninguno de estos cerdos mostaron ningún síigno clínico previo de enfermedad gastro...

This work is focused on the development of a new particulate drug delivery system using sodium alginate (SA) and modified hydrophobic hydroxyl propyl methyl cellulose (HPMC, 60L grade) containing diclofenac as a model dr...

Se realizaron observaciones ultraestrucurales en el tegumento de Schistosoma mansoni después de 24 h de incubación in vitro con tres derivados de imidazolidina a una concentración de 120 µg/ml. El tratamiento con (Z)...

Un león de montaña (Felis concolor), macho de 23 años de edad Montaña desarrollo una claudicación crónica en el parque zoológico “El Pinar”, Caracas-Venezuela. Se le practico eutanasia. Macroscópicamente, la ...

Se desarrollaron comprimidos bioadhesivos usando diferentes derivados de celulosa (HPMC K15M y HPMC K100M) y alginatos (Protanal® LF 120 M y Protanal® LF 240 D). Se realizaron estudios de caracterización in vitro y de...

The aim of the present study was to develop sustained release swelling tablets containing metformin HCl and confine them into the stomach for enhancement of bioavailability. The different batches were manufactured by wet...

The purpose of this paper was to produce controlled-release matrices with 120 mg of propranolol hydrochloride (PHCl) employing hydroxypropyl methylcellulose (HPMC, Methocel® K100) as the gel forming barrier. Although th...

El objetivo de este trabajo fue el de examinar las propiedades mecánicas y de imagen de mezclas poliméricas de hidroxipropilmetilcelulosa (HPMC) y carbopol, determinando la influencia del pH. Dos formulaciones de compr...

El derecho a la identidad cultural ha sido reconocido en diversos instrumentos internacionales, tanto regionales como universales. Sin embargo, aún hoy los pueblos originarios latinoamericanos, acorralados en Estados mu...