Imaging Mass Spectrometry by Matrix-Assisted Laser Desorption/Ionization and Stress-Strain Measurements in Iontophoresis Transepithelial Corneal Collagen Cross-Linking
Figure 6
Iontophoresis group: MALDI-MS imaging (a and b) and haematoxylin-eosin staining (c and d) of two corneal samples of two different eyes.