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Illustration of the NPs for SCI targeting delivery. (A) Presentation of the synthesis process of the targeting polymeric NPs, characteristic as (B) chemical structure and (C) size distribution and TEM image. (D) Showing that CAQK targeting group effectively improved the accumulation of the NPs at the lesion site. (E) Showing that the targeting delivery significantly promoted the expression of NF200, thus alleviating axon damage. Copyright 2020, Small [46].
