Fig. 7From: Water-Soluble Fullerenol with Hydroxyl Group Dependence for Efficient Two-Photon Excited Photodynamic Inactivation of Infectious MicrobesTime-resolved room-temperature PL decay profiles of material (98.56 nJ pixel−1). Excitation wavelength, 760 nm. Delivered dose, OD600~ 0.05 of E. coli and 3 μg mL−1 materials. Data are presented as means ± SD (n = 6)Back to article page