The list of plenary speakers is extended by:

• Jean-Claude Bunzli, Lausanne, CH
  Fluorescence Upconversion Using Lanthanide Compounds and Nanoparticles
• Jean-Louis Reymond, Berne, CH
  Microarrays for fluorescence-based enzyme fingerprinting and high-throughput screening
• Weihong Tan, Gainesville, FL, US
  Bioconjugated silica-coated nanoparticles: Characterization and Applications