Edible electronics: How a seaweed second skin could transform health and fitness sensor tech

Published on March 2, 2023

Scientists have developed biodegradable algae-based hydrogels for strain sensing devices — such as those used in health monitors worn by runners and hospital patients to track heart rate — using natural elements like rock salt, water and seaweed, combined with graphene. As well as being more environmentally friendly than polymer-based hydrogels, commonly used in health sensor technology, the graphene algae sensors perform strongly in terms of sensitivity.

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