Fig. 1
From: Titanium nanosheet as robust and biosafe drug carrier for combined photochemo cancer therapy
A, B TEM image of Ti NSs and Ti@PDA NSs. C, D AFM image of Ti NSs and Ti@PDA NSs. E, F Thickness measured from C and D. G Size distribution of the Ti NSs by DLS. H Zeta potentials of Ti NSs, Ti@PDA NSs, Ti@PDA-PEG NSs and Ti@PDA-PEG-DOX NSs. I Raman spectra acquired from the Ti NSs and bulk Ti. J, K XPS spectra of Ti NSs, Ti@PDA NSs, Ti@PDA-PEG NSs and Ti@PDA-PEG-DOX NSs, J survey spectrum. K Ti 2p spectrum. L FT-IR spectra of the Ti-based NSs