2018

Social and demographic changes across the world over the past 50 years have resulted in significant outbreaks of arboviruses such as dengue virus (DENV) and Zika virus (ZIKV). Despite the increased threat of infection, no approved drugs or fully protective vaccines are available to counteract the spread of DENV and ZIKV. The development of "broad-spectrum" antivirals (BSAs) that target common components of multiple viruses can be a more effective strategy to limit the rapid emergence of viral pathogens than the classic "one-bug/one-drug" approach.

Maturation time of oocytes from alpacas is around 38 to 40 h (Huanca et al. 2009) that would induce an increase in reactive oxygen species during in vitro maturation and IVF and cause cytotoxic damage to gametes. The objective of this study was to determine the optimal concentration of methionine during in vitro maturation on cleavage rate of alpacas oocytes following IVF.

Este artículo se propone analizar el reconocimiento de los permisos por maternidad y paternidad desde una perspectiva de igualdad de género en el campo laboral y doméstico. Se estudia el impacto de este derecho dentro de las responsabilidades de los padres sobre el cuidado de los hijos y la inclusión laboral. A partir de una lógica deductiva se describe y analiza la norma laboral de diez países de América del Sur donde las licencias parentales se han reconocido legalmente.

Due to its zero-marginal-cost, the high penetration of renewable energy sources in the electricity markets threatens incumbents’ business models who are gradually shifting towards fixed power charges instead of the traditional energy charges. The purpose of this study is to assess the impacts of these fixed power charges on the economics of PV systems under self-consumption schemes. Using real demand and generation data, simulations include detailed computation of annual billing savings, payback-time, self-consumption and self-sufficiency of a dwelling coupled with PV-battery system.

Reducing solar infrastructure costs is one of the main reasons for its global growth. In Ecuador adjustments to the legal framework have to be made to encourage the installation of small photovoltaic solar structures for electricity customers connected to low voltage distribution networks for their personal consumption, and any surplus energy be injected into the grid.

This study aims to improve our knowledge concerning the air quality by analysing carbon dioxide (CO2) emissions emanating from motor vehicles. The vehicle fleet was characterized by means of surveys, vehicular seating capacity, and collection of information from both public and private entities.