Figure 4

(A) Average final concentration values between NP types. No significant difference was detected between NPs despite differences in size and relaxivities. (B) Average final concentration values of PLGA NPs by post-injury injection time. *Indicates a significant difference (p < 0.01) determined using one-way ANOVA followed by Tukey’s post-test. Inlays show scaled concentration values in contralateral brain by NP type and injection time.