Figure 5: Nanosensitiser Characterisation - TEM image of NS (A) with the marking showing the negatively stained dBSA envelope (scale bar: 100 nm) and that of unstained control (B); Comparison of fluorescence spectra of hypericin-dBSA with NS (C). Retention of SERS enhancement of DTTCI by gold nanostars before and after fabrication of NS (D).