A thread scheduler may be used in a chip multiprocessor or symmetric multiprocessor system to schedule threads to processors. At least one of the driving wheel and the driven wheel is directly connected to an output shaft of a control motor. Each of the stations comprises a servo mechanism capable of moving said support to the outside of the carousel or in the opposite direction. The biocompatible vesicles may comprise a therapeutic compound for treatment of a patient in need thereof, and one or more cross-linkages between two or more of the biocompatible vesicles, each cross-linkage comprising a chemical sensing moiety and a sensed moiety. The member further includes at least one load pump providing, from the applied voltages, at least one supply voltage, of an amplifier from said applied voltages.