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(A) The duration of neurologic behaviors was repeatedly evaluated after injection of the particles. (B) The infarction area of rat brains after TIA, RIND, and irreversible ischemic damage was determined by TTC staining. Arrows indicate the infraction. (C) The metabolic changes in the brains after RIND were detected by PET scan. (D)The experiments were repeated three times and similar results were observed. All p-values are represented as (p < 0.05).
