Fluorescence 4 Fluorescence microscopy 4 Refractive index 4 Total internal reflection fluorescence microscopy Aprotic solvents 2 Catalyst surfaces 2 Catalysts 2 Chemical activation 2 Condensation 2 Electric excitation 2 Electromagnetic fields 2 Fluorophores 2 Heterogeneous acid catalysts 2 In-situ condensations 2 Isomers 2 Laser excitation 2 Light 2 Molecules 2 Nanoparticles 2 Nanostructures 2 Niobium 2 Niobium oxide 2 Niobium phosphates 2 Nitrogen compounds 2 Nucleophilic attack 2 Photochromes 2 Photochromic transformations 2 Photochromism 2 Plasmons 2 Silver 2