An agent based system assists in preparing an individual for an upcoming meeting by helping himher retrieve relevant information about the meeting from various sources based on preexisting information in the system. Molecular interactions with the light allow for the identification and quantitation of participating chemical moieties in reactions utilizing physical or chemical tags, most typically fluorescent and chromophore labels. The chemical composition is a chemical which will provide Self-Assembled Monolayers on the surface of the gold. The microcapsules provide a beneficial microflora on said surface by rupture of the capsules deposited onto said surface to release the microorganism onto said surface.