Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: effect of PEG chain length, coordinated metal, and axial ligand

Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: effect of PEG chain length, coordinated metal, and axial ligand