Chemistry

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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AEROSPACE ENGINEERING

Zero gravity

Ethanol and liquid oxygen are used to fuel suborbital rocket

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Vanderlan Bolzani

Vanderlan da Silva Bolzani: The chemistry of natural products

Research seeks international cooperation and investigates molecules

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Careers

Multidisciplinary Innovation

The career path of Carlos Calmanovici, from IPT to large companies

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OralGift

Antibacterial silver

Silver nanostructures eliminate bacterial and fungal buildup on toothbrushes

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Photosynthesis

Plants embedded with nanotubes

carbon nanotubes increase plants' ability to harvest solar energy

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Resistance

Intoxication in men and women

Women and men have different types of reaction to alcohol

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nanoparticles

Extra gold makes for slower reactions

Catalyst becomes less efficient as the proportion of gold increases

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molecular structure

Self-repairing plastic

New type of “self-healing” polymer repairs itself

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Agriculture

Biological attractants and repellents

Chemical substances extracted from insects and plants against pests

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Memory

The structure of matter revealed

UNESCO has chosen 2014 as the International Year of Crystallography

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Precision

At low temperatures

Sensor detects trace concentrations of hydrogen gas

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Luciana Vanni Gatti

Luciana Vanni Gatti: On carbon’s trail

Chemistry explains study on the Amazon carbon balance

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MEDICINE

Preventive check

Test evaluates sensitivity of tumor cells to drugs

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Chemistry

Artificial photosynthesis

Lab-made molecules mimic the energy production mechanism of plants

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Drugs

Promising structures

Database of chemical compounds from Brazilian biodiversity gains recognition

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Biochemistry

Treatment for bee stings

Compounds that reduce the effects of bee venom are undergoing tests

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pigments

The identity of wines

Study may make it harder to falsify wines and grape juice

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Chemistry

Images of fraud

Scanner test indicates whether or not milk has been tampered with

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Periodic table

Origin and use of the elements

Guide brings history of organization and elements' origins

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