Chemistry

CHEMISTRY

Hydrogel pellets remove water from biodiesel

Reusable material emerges as an alternative for purifying biofuel

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BIOTECHNOLOGY

Scientists develop serum for Africanized bee venom

Scientists develop serum for Africanized bee venom

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Space exploration

Mars was like Earth

Rocks collected by Curiosity rover suggest Mars may have been more like Earth in the past

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CHEMISTRY

Mushrooms and biogas from brewery waste

Brewery waste used to produce biogas and feed mushrooms

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CHEMISTRY

A single layer of gold atoms

Goldene, a new gold-based material, could be used to convert carbon dioxide, produce hydrogen, and purify water

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Public health

More arguments against vapes

Brazilian Society of Cardiology supports the ban on electronic cigarettes

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Photolab

Microscopic view

Science and art collide in microscopic images colored using nanoart

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Energy

The race for perovskite solar cells

Brazilian research groups are helping to advance research about a promising class of materials for photovoltaic applications

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Photolab

Devilish shine

Bioluminescent mushrooms found in the interior of São Paulo belong to a new genus

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Photolab

Versatile sphere

When suspended in a liquid, cultured cells form clusters known as spheroids

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Retrospect

Veterans of the Nióbio Project try to rescue it from obscurity

45 years ago, researchers and technicians began developing domestic technology for metal production in Lorena, São Paulo

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Electronic engineering

Carnaúba: an X-ray supermicroscope

The longest light beamline of Sirius in Campinas, São Paulo State, provides details on fossil histories, interaction of plants with the soil, and impurities in diamonds

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Nobel Prize

Eleven people received a Nobel Prize in 2023

Four were women, the same number as in 2018 and 2020, only lower than in 2009, when there were five winners

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Chemistry

Enzyme for aviation fuels

Enzyme could replace catalysts used in aviation biokerosene production

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ENERGY

The challenge of recycling lithium batteries

Research groups in Brazil work on new techniques to separate and reuse the metals contained in these energy-storage modules

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ENVIRONMENT

The impacts of microplastics on human health

Studies using different cell cultures show that microplastics can cause structural and inflammatory lesions

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ENVIRONMENT

Microplastics found along the Brazilian coastline

The Santos estuary is one of the locations that suffers most from microplastic waste, which has been found on the beach, in the water, and at the bottom of the sea, from Pará to Rio Grande do Sul

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INTERVIEW

David MacMillan: A catalyst for discoveries

Chemist won the Nobel Prize in 2021 for important innovations in the pharmaceutical industry

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Chemistry

A combination with long-lasting pigments

Paprika and cinnamon extracts, when combined, preserve carotenoids in food and have antimicrobial and antifungal properties

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BIOCHEMISTRY

From water to hydrogen

Research project carried out at the Sirius synchrotron sheds light on breaking water molecules with a new biocatalyst

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PHARMACOLOGY

A potential vaccine against cocaine abuse

Vaccine stimulates the production of antibodies against cocaine in animal experiments

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INTERVIEW

Celso Grebogi: The chaos tamer

Physicist from Curitiba creates strategies to intervene in complex systems such as the climate and ecological networks

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Agriculture

Fruit laboratory in South Africa

South Africa inaugurates laboratory to adhere to international regulations on pests that affect fruit quality

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INTERVIEW

Virginia Ciminelli: Mining territories

UFMG hydrometallurgist argues that the benefits of exploiting natural resources should be better shared with local communities

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Energy

Brazilian researchers develop sodium-based battery

Sodium offers an alternative to lithium for electric vehicle batteries

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OPTICS

Sharper images

US company launches a system developed at UNICAMP to improve light collection performance in scanning tunneling microscopes

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GOOD PRACTICES

Author of more than 700 articles suspended for 13 years for breach of contract

Author of more than 700 articles suspended for 13 years for breach of contract

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Photolab

Long-life intruders

Image of a bottle trapped inside a tree trunk illustrates the longevity of plastic in the environment

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Interview

Jorge Almeida Guimarães: From farming to protein chemistry

The unexpected story of the son of two farm laborers who, after starting school aged 10, went on to become a researcher and president of CAPES and EMBRAPII

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Technology

Sensor detects fungicide

Electrochemical sensor made of kraft paper connected to an electronic device can detect prohibited fungicide within minutes

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