Biochemistry

biochemistry

Skyscrapers for bacteria communities

Under ideal conditions, Cyanobacteria convert more light to chemical energy

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ECOLOGY

Transgenic zebrafish found in streams in the Paraíba do Sul basin, Minas Gerais

More than a hundred specimens of the fluorescent zebrafish were captured by researchers

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ZOOLOGY

Hibernation delays aging in marmots and encourages sexual maturation in ground squirrels

Studies on the effects of hibernation were carried out by Brazilian researchers in the USA

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ENERGY

Brazil prepares to start producing green hydrogen

Businesses and academia aim to put Brazil on the sustainable gas map by backing the fuel of the future

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Careers

Healthy innovation

Researcher from Minas Gerais recognized for studies on diagnosis and prevention of infectious diseases

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Geochemistry

Witnesses to a primitive Earth

Rocks found in Minas Gerais contain evidence of pockets of oxygen from 400 million years before the gas accumulated in the planet’s atmosphere

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Archaeology

233,000-year-old human fossils

The oldest fossils of modern humans ever found are at least 233,000 years old

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Health

Focus on the bacillus

Fast, portable, and sensitive, a new test could be a useful tool for preventing leprosy and helping with early diagnosis.

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Endocrinology

A delicate balance

Brazilians identify new areas of the brain's hunger circuit

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Photolab

Fertility clock

Genetic alterations to the biological clock could be linked to fertility disorders

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Video

The plant biological clock benefits agriculture

Understanding the plant circadian rhythms, and learning how to manipulate them, may widen cultivation options | 2'42

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Physics/Chemistry

Free passage through the skin

Simulations indicate that applying an electric field stimulates the formation of "blisters" that turn the epidermis into a gateway for drugs to enter the body

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Photolab

Invisible message

When stimulated with ultraviolet light, the cock-eyed squid (Histioteuthis sp.) becomes covered with bright red dots

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Profile

The poetry of science

Researcher from Rio Grande do Sul who specializes in brain and heart disease risk factors named on IARC's list of scientists of the year

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COVID-19

A mask that inactivates the virus

Hospital Regional da Asa Norte in Brasília began clinical trials of a mask that contains a biocompatible compound capable of inactivating the novel coronavirus

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Butantan – 120 Years

Constant metamorphosis

Scientific discoveries call attention to quality control in the production of serums and vaccines

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Butantan – 120 years

Among venoms, not just from snakes

Researchers investigate the action and possible uses of toxins

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Biochemistry

Anti-predator chemical shield

Seemingly harmless at first glance, the African maned rat (Lophiomys imhausi) carries a lethal weapon in its coat

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Biology

Underground dispute

A team of researchers from the USA, Spain, and Brazil have explained the growth behavior of plant roots

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Photolab

Underwater stars

When disturbed by a physical bump or a beam of light, the tunicates Pyrosoma atlanticum emit a turquoise light

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Memory

The chemist of evolution

Otto Gottlieb associated the structural complexity of substances with the development plants and their environment

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Chemistry

Life on Venus?

An international group of researchers identified the presence of phosphine, a possible sign of life, in the atmosphere of Venus

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Biochemistry

The trigger for muscular strength

An international group of researchers has identified a chemical compound that functions as a molecular trigger for the strength gains caused by physical exercise

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Chemistry

Impurities in psychedelics

Researchers analyzed drugs seized in Santa Catarina between 2011 and 2017 and found a change in the composition of blotters

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Health

Low vitamin D levels

In Brazil, about 875,000 people aged over 50 are deficient in vitamin D

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Technology

Nanocellulose sensors

Microbial nanocellulose could be used to make electrochemical sensors that attach to the skin to monitor health conditions or physical performance

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Biochemistry

Venomous amphibians

Caecilians are venomous animals, capable of injecting venom into their prey, say researchers from the Butantan Institute

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Innovation

From cocoons to bones

A team has developed a potentially simpler, faster, and cheaper strategy for producing a biocompatible material that can be used as a scaffold for repairing long bones

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Medicine

Gelatin optical fiber

Researchers used agar, a type of gelatin extracted from algae, to develop a biodegradable and biocompatible optical fiber

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Pharmacology

Medicines from Cannabis

Based on its proven efficacy for epilepsy, cannabidiol has become the target of intensive research

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