Figure 11From: Studies on Preparation of Photosensitizer Loaded Magnetic Silica Nanoparticles and Their Anti-Tumor Effects for Targeting Photodynamic TherapyThe standard curve of PHPP dissolved in HCl and ethanol, measured at 409 nm. Typical equation:Y = 0.04447 + 0.02571x(wherex is the concentration andY is the absorbance)Back to article page