An object matching system comprises a plurality of disparate databases comprising data objects and a master data server. The cart includes a heated or refrigerated compartment for storing the items. A first resonator is connected to a first one of the outer electrodes and includes a first coil. The impact tool may further include a ball received in the first and second helical grooves, wherein the ball rotationally couples the hammer to the shaft and permits axial travel of the hammer relative to the shaft. In making the microchannel device, selected surfaces of the microchannel are alternatively exposed to solutions comprising positively charged polyelectrolytes and negatively charged polyelectrolytes to form the desired number of polyelectrolyte layers. The compound or a salt is useful as a ligand of inositol-1,4,5-trisphosphate receptor.