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The biohydrogel-enabled microneedle sensor can “achieve direct measurements in under a minute for less than a dollar per test,” says developer Liang Dong and colleagues. Helping plants with ...

In a world where diabetes management is evolving at a rapid pace, the spotlight shines on non-invasive glucose monitors that promise to change the game.

The sensor uses nanoscale DNA-based receptors ... comparable in size to those used in continuous glucose monitors. This microneedle, thinner than three human hairs, samples interstitial fluid ...