S29 Novel Molecular Imaging by Making Full Use of Organic Chemistry S29-1 Introduction and multimodal in vivo molecular imaging S29-2 Chemical design of radiolabeled antibodies for SPECT S29-3 PET Probe Development for Visualization of Neuropathological features S29-4 Turn-On Sensing of Metabolic Events with Signal Switching Probe S29-5 In vivo tumor imaging with novel fluorescence probes and conclusion of the symposium