Figure 2
From: Photoacoustic Imaging-Guided Photothermal Therapy with Tumor-Targeting HA-FeOOH@PPy Nanorods

Characterization of nanoparticles. (A) FETEM images of FeOOH nanorods. (B) FETEM images of HA-FeOOH@PPy NRs. (C) FTIR of HA and HA-FeOOH@PPy NRs. (D) UV-Vis-NIR spectra of FeOOH nanorods and HA-FeOOH@PPy NRs.