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However, the new findings from NC State and Purdue mean that GaN holds promise for an array of implantable technologies - from electrodes used in neurostimulation therapies for Alzheimer's to transistors used to monitor blood chemistry. "The first finding is that GaN, unlike other semiconductor materials that have been considered for biomedical implants, is not toxic. That minimizes risk to both the environment and to patients," says Dr. Albena Ivanisevic, who co-authored a paper describing the research. Ivanisevic is an associate professor of materials science and engineering at NC State and associate professor of the joint biomedical engineering program at NC State and the University of North Carolina at Chapel Hill.
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