Contact: Alex Reid
Caption: This is a microscopic image of a silk optical implant created when purified silk protein is poured into molds in the shape of multiple micro-sized reflectors and then air-dried. When implanted in tissue and illuminated, the "silk mirrors" caused more light to be reflected from within the tissue allowing for enhanced imaging. Later, the reflector was harmlessly reabsorbed in living tissue and did not need to be removed.
Credit: Fiorenzo Omenetto
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Related news release: Implantable silk optics multi-task in the body