Fig. 1

Representative images of nanoparticles analyzed in this study; P25, PrS, ExS, PrR, and ExR. A-E) High Resolution TEM images indicating the size and shape of each nanoparticle; F-J) TEM images showing the corona formation on each nanoparticle, white arrows indicating the corona formation around the nanoparticles; K-O) Histogram of primary particle size and/or aspect ratio, n = 100. Legend: P25 – Pristine P25; PrS – Pristine Sphere; ExS – Extracted Sphere; PrR – Pristine Rod; ExR – Extracted Rod