Fig. 3: Degradation properties of pyro-catalysis.
From: Pyro-catalysis for tooth whitening via oral temperature fluctuation
UV-Vis absorption spectra of Indigo Carmine solutions with respect to temperature fluctuations a–f ΔT = −10, −5, +5, +10, +15, +20 °C. g the pseudo-first-order reaction kinetics of different temperature fluctuations. Electron paramagnetic resonance spectra (EPR) of radical h •OH and i •O2- created by pyro-catalysis over different temperature range. Source data are provided as a Source Data file.
