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A major bivalent COVID-19 vaccine induces production of neutralizing antibodies against the coronavirus that circulated at the start of the pandemic as well as subvariants of omicron, albeit less abundantly, according to a Brazilian study reported in the Journal of Medical Virology. The study confirmed the vaccine's effectiveness and its importance to control of the disease, while also showing that, more than three years after the first application of a COVID-19 vaccine in Brazil, the [...]

A major bivalent COVID-19 vaccine induces production of neutralizing antibodies against the coronavirus that circulated at the start of the pandemic as well as subvariants of omicron, albeit less abundantly, according to a Brazilian study reported in the Journal of Medical Virology. The study confirmed the vaccine's effectiveness and its importance to control of the disease, while also showing that, more than three years after the first application of a COVID-19 vaccine in [...]

Fundação de Amparo à Pesquisa do Estado de São Paulo Researchers at the University of São Paulo (USP) in Brazil have developed a bioelectronic chip that simultaneously detects vitamins C and D in body fluids. It is flexible and easy to use, and can be adapted for use in a wearable device to assist with a personalized diet. Details are described in an article published in ACS Applied Nano Materials, and featured on the cover of the journal. Vitamins C and [...]

Rio de Janeiro (AFP) – In Brazil, where about 16 wild animals become roadkill every second, a computer scientist has come up with a futuristic solution to this everyday problem: using AI to alert drivers to their presence. Direct strikes on the vast South American country's extensive road network are the top threat to numerous species, forced to live in ever-closer proximity with humans. According to the Brazilian Center for Road Ecology (CBEE), some 475 million vertebrate [...]

Rio de Janeiro (AFP) – In Brazil, where about 16 wild animals become roadkill every second, a computer scientist has come up with a futuristic solution to this everyday problem: using AI to alert drivers to their presence. Direct strikes on the vast South American country's extensive road network are the top threat to numerous species, forced to live in ever-closer proximity with humans. According to the Brazilian Center for Road Ecology (CBEE), some 475 million vertebrate [...]

Photoelectrochemical processes have been considered sustainable alternatives for the remediation of water contaminated by domestic or industrial effluents. Simply put, the strategy consists of using solar energy to degrade organic pollutants. In an article published in the journal Chemosphere, researchers in Brazil describe the synthesis of several different semiconductor materials that can be used as photoanodes. Photoanodes are the medium for photogeneration of electrons to produce an [...]

The Cerrado, Brazil's savanna biome, is being destroyed at a fast pace, and inadequate management of remnants is transforming large areas of the biome into cerradão, a biodiversity-poor forest formation in which species typical of the Cerrado mingle with generalist species occupying gallery forest and other structures. Scientists wonder whether areas of cerradão can conserve the biodiversity of the Cerrado. If not, they may evolve into a type of biodiverse forest similar to [...]

The number of biological products registered in Brazil in recent years for crop protection against agricultural pests has surpassed that of agrochemicals. Around 90% of the area under sugarcane cultivation in the country, for example, already uses natural enemies such as microorganisms, macroorganisms, biochemicals (compounds of natural origin that control pests and diseases) and semiochemicals (molecules that induce behavioral responses in target organisms). The data were presented [...]

In Brazil, researchers at the University of São Paulo (USP) and the Pernambuco division of Oswaldo Cruz Foundation (FIOCRUZ) are developing a zika vaccine. The formulation was tested on mice and found to be efficacious, inducing an immune response against the virus and protecting the animals appropriately. The results are reported in an article published in the journal Frontiers in Immunology. "Most vaccines use an attenuated or inactivated form of the virus [...]