This new volume of Methods in Enzymology continues the legacy of this premier serial with quality chapters authored by leaders in the field. This is the first of three volumes on hydrogen peroxide and cell signaling, and includes chapters on such topics as photooxidation of amplex red to resorufin, boronate-based fluorescent probes, and visualization of intracellular hydrogen peroxide with HyPer. - Continues the legacy of this premier serial with quality chapters authored by leaders in the field - Covers hydrogen peroxide and cell signaling - Contains chapters on such topics as photooxidation of amplex red to resorufin, boronate-based fluorescent probes, and visualization of intracellular hydrogen peroxide with HyPer