Part I: Detection and Quantification of Quorum Sensing Signal Molecules 1. Use of Whole Cell Bioassays for Screening Quorum Signaling, Quorum-Interference, and Biofilm Dispersion Starla G. Thornhill and Robert J.C. McLean 2. Detection of 2-Alkyl-4-Quinolones Using Biosensors Matthew P. Fletcher, Stephen P. Diggle, Miguel C?mara, and Paul Williams