Chemistry

Mining

Magnetic extraction

New process uses nanoparticles to capture and produce metals

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ink-jettable

Flexible connectors

New method contributes to the production of flexible electrical conductors

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Drugs

Dopey money

Currency bills in Rio de Janeiro may have traces of cocaine

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CHEMISTRY

Emerging contamination

Caffeine found in treated water indicates the presence of harmful substances

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HydroNode

Probe monitors the water

UFMG developed a probe that can monitor the water in reservoirs

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pollution

Lead in South America

Samples from a glacier allowed researchers to measure lead concentrations

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British society

Royal Society names new leader

Physicist Venkatraman Ramakrishnan is the new president of the Royal Society

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functional foods

The medicinal side of fruit

Research tests antioxidant and antibacterial properties of fruits

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Etelvino Bechara

Etelvino José Henriques Bechara: On fireflies and mental illnesses

Chemist investigated highly reactive compounds, the free radicals

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Chemistry

Identification by smell

Electronic nose identifies wood species

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Forensic Toxicology

Designer Drugs

Study identifies new types of narcotics distributed under the ecstasy name

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Elson Longo

Elson Longo: The chemistry of partnerships

From ceramics to cooperative ventures with companies

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analgesic

Painkilling protein in coffee

Protein fragments in coffee plants act similarly to morphine

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Photolab

Nobility in the nanoworld

Nobility in the nanoworld

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BIOCHEMISTRY

More dangerous than the sun

Visible light, in addition to ultraviolet radiation, may also cause skin cancer

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biopolymer

Biopolymer produced by sisal juice

Sisal juice is being employed to produce bacterial cellulose

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chemical communication

Moth scents

Physics explains how males in some moth species can detect the scent of females

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Agriculture

Natural Fertilizer

Leguminous plant used as fertilizer can increase sugarcane production

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Nanotechnology

Fatal interactions

Carbon nanotubes combined with pesticides increase toxic effects on fish

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circuits

Silver droplet with crystalline interior

solid nanoparticles of silver can be deformed like liquid droplets

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Energy storage

Energy stored in cigarette butts

Researchers discover how to reuse cigarette filters

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Photolab

Shapes from the nanoworld

Shapes from the nanoworld

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Recognition

From Blue LED to the Brain’s GPS

Nobel Prizes highlights advances in microscopy and neuroscience

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Chemistry

An electron bridge

The use of graphene doubles electricity production in biofuel cells

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food

Toxin in peanuts

Unicamp identifies toxic substance and antioxidant in peanuts

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metals

Beware of chocolate

Brazilian chocolate contains small quantities of cadmium and lead

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Atmosphere

Persistent destruction

Forbidden substance still destroys ozone layer

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phytotherapeutical

Company uses ginger

Company exploits ginger's medicinal properties

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Photolab

Stars of Zinc

Stars of Zinc

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pollution

Sponge sucks up oil from the ocean

Sponge absorbs up to 85% of oil spilled into the sea

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