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Relative resistance changes for N-isopropylacrylamide (PNIPAM)/laponite (L)/carbon nanotube (CNT) hydrogels of (A,B) index finger two direction bending, (C) wrist motions, (D) knee bending, (E) elbow bending, and (F) pulse detection [8]. Reprinted from [8] with permission from American Chemical Society.
