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Abstract Background Severe acute respiratory syndrome (SARS) is an emerging infectious disease caused by the novel coronavirus SARS-CoV. The T cell epitopes of the SARS CoV spike protein are well known, but no systematic evaluation of the functional…

Coronavirus disease 2019 (COVID-19) emerged in Wuhan, Hubei province, in December 2019, then spread rapidly in a very short time resulting in thousands of deaths. Unfortunately, details about the pathological mechanisms involved in the disease –…

COVID-19 has infected 223 countries and caused 2.8 million deaths worldwide (at the time of writing this article), and the death rate is increasing continuously. Early diagnosis of COVID patients is a critical challenge for medical practitioners,…

Se trabajó de junio de 1986 a febrero de 1987 en una estación de muestreo en el estero Palo Seco y en dos en el estero Damas (Damas y San Bosco), Pacífico Central, Costa Rica. La temperatura del agua no presentó diferencias significativas entre las…

El presente artículo nos presenta el panorama del agro sinaloense desde finales del siglo XIX hasta los años treinta, en que el gobierno federal realizó el reparto agrario. Los extranjeros tenían el control económico tanto sobre las tierras, como…

Tamoxifen (TAM) is the oldest and the most-prescribed selective estrogen receptor modulator (SERM). It is a member of the triphenylethylene group. TAM has been used to treat breast cancer that spreads to other parts of the human body; it is also…

Today, there is a need for new theoretical-methodological and practical methods and approaches to activate and efficiently use creative human potential, which is an important factor in stabilizing and sustainable development of the modern economy. It…

Despite high sequence similarity between pandemic and seasonal influenza viruses, there is extreme variation in host pathogenicity from one viral strain to the next. Identifying the underlying mechanisms of variability in pathogenicity is a critical…

Os objetivos deste artigo são (1) salientar o fato de que a pesquisa conduzida sob as estratégias agroecológicas serve para ilustrar a fecundidade da pesquisa multiestratégica e (2) apontar a relevância da agroecologia no Brasil, bem como sua…