Bioengineers at Tufts University School of Engineering have developed a silk-based microneedle able to deliver precise drug amounts over a set time. In addition, these new silk microneedles inhibited the growth of Staphylococcus aureus (the most common cause of Staph infections), demonstrating their potential to prevent local infections while delivering medication. Microneedles—no more than a micron in size and able to penetrate the upper layer of the skin without reaching...
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