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Articles on Biosensors

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In the not-too-distant future, tattoos could become medical diagnostic devices as well as body art. LightFieldStudios/iStock via Getty Images

Dynamic tattoos promise to warn wearers of health threats

Researchers are developing tattoo inks that do more than make pretty colors. Some can sense chemicals, temperature and UV radiation, setting the stage for tattoos that diagnose health problems.
Will your cellphone be able to communicate with bacteria in your body? Bacteria image via www.shutterstock.com.

Using electricity, not molecules, to switch cells on and off

New research works out how to translate between the language of biology – molecules – and the language of microelectronics – electrons. It could open the door to new kinds of biosensors and therapeutics.
Astronaut Cady Coleman harvests one of our plants on Space Shuttle Columbia. NASA

Taking plants off planet – how do they grow in zero gravity?

Plants on the International Space Station must figure out how to grow in a completely novel environment. Their adaptability hints at how they'll react to changes here on Earth – or in future space outposts.

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