Silk microneedles are claimed to better-deliver medication

Microneedles continue to show promise as a replacement – in at least some applications – for the hypodermic needle. Typically, a sheet containing an array of the tiny needles is adhered to the patient’s skin, like a bandage. The microneedles painlessly pierce the top layer of skin, then gradually deliver the medication within them by harmlessly dissolving into the patient’s bloodstream. As an added bonus, once everything is complete, there are no bio-hazardous used needles to dispose of. Now, bioengineers from Massachusetts’ Tufts University have developed what they claim is an even better type of microneedle, which is made from silk.

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