Indian silk: great for scarves, saris, and now … diagnostic sensors. That’s the idea behind a biotech startup in Bangalore, and it’s not as lavish as it sounds. In India, where access to affordable, quality health care is limited, doctors and patients rely on quick, low-cost methods to detect and monitor disease. Simple test strips, for instance, can identify everything from rotavirus infections to blood type. So far, plastic has been one of the go-to substrates for these types of tools, since it’s cheap and easy to manufacture. But at Achira Labs, researchers are spinning diagnostic sensors out of silk. Not only does the material work better than plastic— threads can more easily direct the flow of fluids—it’s actually a far thriftier option in a country rich in textiles: Silk…
