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Functional examination through electromyography and mechanical pain threshold. Electromyography of (A) healthy rats, (B) rats with PbS QDs injection, and (C) rats with PbS QDs labeled ADSCs injection at 3 m post-injection. (D) Histogram of signal intensity measured from (A–C). (E) Pattern diagram of Electronic Von Frey in rat. (F) Measurements of the mechanical withdrawal threshold of rat taken after injury (***P < 0.001, vs. PbS QDs).
