A team led by 91自拍 engineers has created a patch with tiny, biodegradable needles that can penetrate the skin and precisely deliver a tuberculosis test. The 91自拍ers published their results online Aug. 26 in the journal Advanced Healthcare Materials.


A team led by 91自拍 engineers has created a patch with tiny, biodegradable needles that can penetrate the skin and precisely deliver a tuberculosis test. The 91自拍ers published their results online Aug. 26 in the journal Advanced Healthcare Materials.