Chemistry

Good practices

Article retracted by Nobel Prize winner

Frances Arnold, winner of the 2018 Nobel Prize in Chemistry for her work on the evolution of enzymes, announced on Twitter that her group was retracting a scientific article published last year

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Physics

Germanium energy

New material could increase the durability and safety of lithium batteries

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Interview

Heather Lombardi: Support for gene editing

FDA official says the agency is in favor of editing the genomes of living organisms to create products that benefit society

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Oceanography

Revelations from a submerged archipelago

Beaches, rivers, and mangroves covered a mountain range that was above sea level 40 million years ago

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Video

A blue pigment from beets

How chemist Erick Bastos' team, from the Chemistry Institute of the University of São Paulo, created a natural dye with industrial potential | 2'48

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Interview

João Batista Calixto: The voice of Brazilian pharmaceuticals

The pharmacologist from Minas Gerais has dedicated his life to developing new drugs

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Environment

Oil spill spreads

Analysis suggests three potential sources of the oil near the Brazilian coast

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Pesquisa Fapesp 20 Years

Early inoculants

The first products made with nitrogen-fixing bacteria for soybean crops date back to the 1960s

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Agriculture

Plant-microbial collaboration

EMBRAPA launches first Brazilian-made product formulated with microorganisms that enhance phosphorus nutrition

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Electric Mobility

Lithium batteries made in Brazil

New initiatives set to propel Brazil into the growing market for automotive energy storage systems

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Interview

Lauro Barata: The network of natural wealth

A chemist promotes connections in order to turn plant substances into applied products

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Nobel

A prize for men

This year, the six Nobel Prize categories honored 14 people

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Public Health

Deaths linked to e-cigarettes

As of September 27, at least 12 deaths caused by lung problems in the USA have been attributed to the use of electronic cigarettes

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Physico-chemistry

The hidden strokes of Portinari

Tests show how the artist produced his artwork and may be useful in confirming the author of a piece found in the painter’s former home

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Pharmacology

Material releases drug at regular intervals

An international group of researchers has developed a nanostructured material capable of releasing drugs in low concentrations at regular intervals

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Genetics

The glowing mosquito from Vale do Ribeira

It may be possible to genetically engineer the larvae of disease-causing mosquitoes such as Aedes aegypti to make them glow

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Geology

Diamonds as old as the Earth

Mined in the municipality of Juína, Mato Grosso State, the diamonds were formed 410–660 kilometers deep inside the Earth

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Profile

Pure air

Chemical engineer creates air purifier startup based on prototype developed during PhD research

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Cover

The threat of microplastics

Tiny plastic fragments are everywhere and removing them poses a major challenge

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PHOTOLAB

The aesthetics of imperfection

A large electric voltage bias is used to spin ultrafine nanometric fibers into membranes that can filter water

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New materials

New energy applications for gold and platinum

Platinum-coated gold nanoparticles could enhance the efficiency of fuel-cell catalysts

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Biology

The changing venom of a stingray

Stingray venom changes as the fish mature

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Photolab

Niobium in bloom

"Flowers" bloom inside a device that works like a pressure cooker at a University of São Paulo Chemistry Institute laboratory

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Oceanography

Sources of methane

Two thousand craters releasing the greenhouse gas found off the Brazilian coast

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Corporate research

Natural flavor

Duas Rodas, in southern Brazil, is investing to develop food ingredients that are responsive to emerging consumer demands

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INTERVIEW

Jairton Dupont: The radical chemist

The specialist in ionic liquids defends a more open, pluralistic, and democratic university

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PHOTOLAB

Medicinal necklaces

Crnkovic studied microalgae in fresh water as part of her PhD research, which involved bioprospecting for compounds that could help fight cancer

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Mining

The niobium controversy

Niobium, of which Brazil is by far the world’s largest producer, is surrounded by myths and misconceptions

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Physical chemistry 

The periodic table at a crossroads

After 150 years, the diagram that arranges the chemical elements based on their similar properties faces difficulties for further growth

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Physico-chemistry

Hidden strokes of Portinari

Tests show how the artist produced his artwork and may be useful in confirming the painter of a piece found in his former home

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