Extraction of skin interstitial fluid using microneedle patches

Interstitial fluid is a major component of the liquid environment in the body and fills the spaces between the body's cells. In contrast, blood circulates only within the circulatory vessels of the body and is composed of ...

Simple arsenic sensor could save lives

A low-cost, easy-to-use sensor which can test drinking water for arsenic in just one minute has been developed by Imperial and UCL researchers.

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