Navegar por los elementos (20655 total)
Ordenar por:
Análisis multivariado de propiedades químicas en Oxisoles con diferentes niveles de intervención agrícola
La intervención humana en la producción agrícola influye directamente en la calidad del suelo, promoviendo alteraciones en las propiedades físicas y químicas, mediante el uso de fertilizantes, correctivos y prácticas de labranza. El objetivo del…
Position: 16076 (19 views)
Sostenibilidad de sistemas agrícolas Sustainability of farming systems
Las actividades agrícolas pueden tener impactos negativos sobre el ambiente, con efectos dentro y fuera de los predios. El presente artículo pretende contribuir al avance de la agricultura sostenible con énfasis en países en vías de desarrollo. Se…
Position: 13031 (22 views)
Factors associated with nosocomial SARS-CoV transmission among healthcare workers in Hanoi, Vietnam, 2003
Abstract Background In March of 2003, an outbreak of Severe Acute Respiratory Syndrome (SARS) occurred in Northern Vietnam. This outbreak began when a traveler arriving from Hong Kong sought medical care at a small hospital (Hospital A) in Hanoi,…
Position: 8696 (27 views)
Sensitive detection of SARS-CoV-2 seroconversion by flow cytometry reveals the presence of nucleoprotein-reactive antibodies in unexposed individuals
Egia-Mendikute et al. develop a multiplexed flow cytometric bead array to simultaneously detect antibodies reactive to three immunogenic SARS-CoV-2 proteins. More sensitive than ELISA, they detected N-reactive antibodies in COVID-19-negative…
Position: 16984 (18 views)
Middle East Respiratory Syndrome Coronavirus: A Review
Context: Middle East Respiratory Syndrome Coronavirus (MERS-CoV) infection is an emerging human disease that has been reported from the Arabian Peninsula and Middle East countries since 2012. Although zoonotic transmission was postulated, virological…
Position: 8003 (28 views)
New Coronavirus (2019-nCoV): An Insight Toward Preventive Actions and Natural Medicine
Position: 4278 (37 views)
Willed Learning and Art as a Way for Young People to Express Their Feelings
The homeschooling of my 6-year-old son during the school closures due to the pandemic outbreak of COVID-19 has become exceptionally easier when, after a few failed attempts, I decided to give willed-learning a try. I have been brought up in a very…
Position: 7350 (29 views)
Thoughts on COVID-19 and autoimmune diseases
Over the 2 months since coronavirus first appeared in China, cases have emerged on every continent, and it is clear that patients with autoimmune diseases might also be affected. Coronavirus disease 2019 (COVID-19) is a highly contagious viral…
Position: 17832 (17 views)
Crescimento e nutrição mineral de milho forrageiro em cultivo hidropônico com soro de leite bovino Growth and mineral nutrition of forage corn cultivated hydroponically with serum of cow milk
Realizou-se este trabalho com o objetivo de avaliar a eficiência nutricional da forragem de milho e a utilização do soro de leite bovino em substituição à solução nutritiva no cultivo de forragem hidropônica de milho. O experimento foi conduzido em…
Position: 18609 (16 views)
Sustentabilidade entre interdisciplinaridade e propositividade: um olhar para artigos científicos em ecologia, economia, sociologia e antropologia
O objetivo deste artigo é oferecer uma análise da produção científica sobre sustentabilidade em conjuntos de artigos das áreas de ecologia, economia, sociologia e antropologia, a partir de quinze dentre os vinte e cinco…
Position: 1652 (53 views)