El objetivo de esta investigación fue analizar cómo está estructurada la red de actores que hablan de productos orgánicos en Twitter y, a través de la identificación de actores clave, conocer la influencia que ejercen dentro de las redes; al hacerlo,…
La presencia de metales pesados en el cultivo de cacao (Theobroma cacao L.) es actualmente un grave problema para agricultores y cooperativas de las regiones Huánuco y Ucayali, Perú. En el presente trabajo se evaluaron los contenidos de cadmio y…
Introducción. Aedes aegypti es el principal vector de fiebre amarilla urbana, dengue, chikungunya y zika. Se ha demostrado que la distribución biogeográfica de esta especie se ha expandido debido al calentamiento global y a factores socioeconómicos y…
Lower respiratory tract infection (LRTI) is the major cause of morbidity and mortality of children in the world. In addition to respiratory syncytial virus, influenza virus types A and B, parainfluenza types 1, 2 and 3, and adenoviruses, several new…
Habranthus cardenasianus (Amaryllidaceae), a species formerly described from Bolivia, is cited for the first time from Argentina. The distribution and ecology of the species are refered, and six Argentinian species are reduced to nomenclatural…
INTRODUÇÃO: Alterações no ambiente vêm contribuindo com mudanças climáticas, como o aumento do volume de chuvas, que acarreta as inundações. Medidas estão sendo tomadas no enfrentamento das inundações, como a implantação dos reservatórios de…
Abstract The coronavirus disease 2019 (COVID-19) has rapidly evolved into a worldwide pandemic. Preparing intensive care units (ICU) is an integral part of any pandemic response. In this review, we discuss the key principles and strategies for ICU…
Abstract The coronavirus disease 2019 (COVID-19) has rapidly evolved into a worldwide pandemic. Preparing intensive care units (ICU) is an integral part of any pandemic response. In this review, we discuss the key principles and strategies for ICU…
Digital technologies have a strong impact on changes in the educational environment and activities. In the context of such changes, aggravated by the spread of coronavirus infection and the transition of schools to distance learning, teachers and…