Fluorogenic peptide probes specific for a target molecule are provided. A device comprising means for carrying out said control is also disclosed. Each of the compression mechanism has an outboard bearing rotatably mounted on the shaft, and an oil pump in fluid communication with the longitudinal bore is also mounted on the stationary shaft, the pump operatively engaged with one of the outboard bearings. The cementitious mixtures and hardened concretes resulting from the method and fly ash treated with sacrificial agent, or air entrainment agentsacrificial agent combinations, are also described. This causes the activating light curable liquid to be attracted to the raised portions of the template. In an embodiment invention, a bias network comprises an integration circuit to sense a voltage change for an amplifier.