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Injectable 'smart sponge' controls diabetes, presents new targeted drug delivery method

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Diabetics might appreciate high-tech glucose sensors when they're available, but the option for other advanced treatments is certainly intriguing. Take, for example, this new method developed by North Carolina State University researchers that uses injectable sponge to control blood sugar levels. No, it's not the same sponge you use to clean at home -- the material is made out of a substance taken from crab and shrimp shells called chitosan. This spongy material forms a matrix that's approximately 250 micrometers in diameter, where a rise in blood sugar causes a reaction in the pores that leads to the drug's release.

Fighting diabetes is but one of the things this miraculous sponge can be used for; developed further, it could even "intelligently" release anticancer drugs whenever the chitosan reacts to tumors or cancer cells in close proximity. Seems like medical technology is getting smarter with each passing day.

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