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SciDev.Net (África subsariana)
Em 2021: 0 notícias
Desde 1995: 7 notícias
Temperature Changes ‘Affect Poor More Than Rich’
Publicado em 24 dezembro 2020
People who live in poorer cities have a higher risk of being hospitalised if temperatures change quickly through the course of a day or over a short period, according to a study undertaken in Brazil.
While it was known that temperature variations increased the risk of disease and mortality for people with conditions such as diabetes or asthma, researchers wanted to understand the impact of socioeconomic indicators, such as monthly household income.
Paulo Saldiva, a senior professor at the [...]
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Une enveloppe bio pour prolonger la durée de conservation des œufs
Publicado em 02 março 2020Un biofilm développé au Brésil pourrait prolonger la durée de conservation des œufs dans les régions les plus pauvres et les plus chaudes du monde, où ils se gâtent plus rapidement et sont vulnérables aux germes. Selon ses concepteurs, la nouvelle technologie pourrait prolonger la durée de vie des œufs de 30 à 50, voire 60 jours, selon les conditions de stockage. Cette technologie [...]ver notícia -
Descifran genoma del primer caso de coronavirus en Latinoamérica
Publicado em 02 março 2020Menos de 48 horas después de que el primer caso de coronavirus de América Latina haya sido confirmado en Brasil el 26 de febrero, investigadores de las universidades de São Paulo (Brasil) y Oxford (Gran Bretaña) divulgaron la secuencia completa del genoma del virus que afecta al paciente. El análisis genético fue realizado a partir de una muestra del paciente infectado, un hombre de 61 años que vive en la ciudad de São Paulo, con [...]ver notícia -
Three tropical diseases targeted in push for new drugs
Publicado em 02 janeiro 2020[SÃO PAULO] An international consortium led by Brazilian researchers hopes to speed up the discovery of new drugs to be used in the treatment of malaria, visceral leishmaniasis, and Chagas disease. Chagas and leishmaniasis are categorised as neglected tropical diseases because they affect mainly poor populations in low-income countries and attract less treatment and research funding than major diseases like tuberculosis and HIV/AIDS. The consortium involves researchers at the [...]ver notícia -
Crean alianza internacional contra tres enfermedades desatendidas
Publicado em 23 dezembro 2019Un consorcio internacional liderado por investigadores brasileños se ha propuesto acelerar el desarrollo de nuevos medicamentos para el tratamiento de la malaria, la leishmaniasis visceral y la enfermedad de Chagas. Las tres forman parte de las enfermedades desatendidas, llamadas así porque reciben poca o ninguna atención de los laboratorios públicos y privados debido a que afectan sobre todo a poblaciones y países pobres. En el consorcio participan [...]ver notícia -
Study uncovers cause of aggressive leishmaniasis strain
Publicado em 16 dezembro 2019After six years of research, Brazilian scientists have discovered that the presence of the Leishmania RNA virus in disease-carrying parasites leads to more aggressive forms of leishmaniasis, a discovery they say opens the way to new treatments. Considered a neglected disease, leishmaniasis is endemic in 98 countries and causes 70,000 deaths a year, according to the World Health Organization (WHO). The disease comes in three forms: visceral (the most severe form), cutaneous (the most common), [...]ver notícia -
Zika: le mystère d'un code génétique clé percé
Publicado em 27 abril 2017Lecture rapide La protéine copie l'ARN viral jusqu'à ce que Zika se propage dans le corps Elle est produite par des flavivirus qui provoquent la fièvre jaune et l'hépatite C Un médicament utilisé contre l'hépatite C peut devenir une option thérapeutique [SÃO PAULO] Des chercheurs brésiliens ont décrit la structure tridimensionnelle de la protéine NS5 responsable de la réplication du virus Zika dans les cellules infectées - une étape importante vers le développement d'un [...]ver notícia