Fig. 2
From: Photosensitizing deep-seated cancer cells with photoprotein-conjugated upconversion nanoparticles
Construction and characterization of UCNP-KR-LP. a Schematic of the primary structure of a recombinant protein (KR-LP) from the N to C-terminus. b−c Zeta-potential values (b) and DLS hydrodynamic particle size distributions (c) of CS-UCNP-NH2, CS-UCNP-SMCC, and CS-UCNP-KR-LP. d FT-IR spectra of CS-UCNP-OA, CS-UCNP-NH2, and CS-UCNP-KR-LP. DLS, dynamic light scattering; FT-IR, Fourier transform infrared spectroscopy