History and Fundamental Aspects -- Early History of Solution Fluorescence: The Lignum nephriticum of Nicolás Monardes -- From Well-Known to Underrated Applications of Fluorescence -- Principles of Directed Electronic Energy Transfer -- Luminescence Decays with Underlying Distributions of Rate Constants: General Properties and Selected Cases -- Fluorescence as the Choice Method for Single-Molecule Detection -- Molecular and Supramolecular Systems -- Water-soluble Fluorescent Chemosensors: in Tune with Protons -- Fluorescence of Fullerenes -- Squeezing Fluorescent Dyes into Nanoscale Containers—The Supramolecular Approach to Radiative Decay Engineering -- Polymers, Semiconductors, Model Membranes and Cells -- Resonance Energy Transfer in Polymer Interfaces -- Defocused Imaging in Wide-field Fluorescence Microscopy -- Dynamics of Excited States and Charge Photogeneration in Organic Semiconductor Materials -- Resonance Energy Transfer in Biophysics: Formalisms and Application to Membrane Model Systems -- Measuring Diffusion in a Living Cell Using Fluorescence Correlation Spectroscopy. A Closer Look at Anomalous Diffusion Using HIV-1 Integrase and its Interactions as a Probe -- Pushing the Complexity of Model Bilayers: Novel Prospects for Membrane Biophysics -- Nanotubes, Microparticles and Nanoparticles -- Photoluminescence Properties of Carbon Nanotubes -- Fluorescence Correlation Spectroscopic Studies of a Single Lipopolyamine–DNA Nanoparticle -- Morphology-Dependent Resonance Emission from Individual Micron-Sized Particles -- New Plastic Microparticles and Nanoparticles for Fluorescent Sensing and Encoding.