A method of modifying an alkylation catalyst to reduce the formation of condensed hydrocarbon species thereon. A nail having a clamp head which has a clamp with a clamp angle in a range of from 75 degrees to greater than 25 degrees. Furthermore, the cap includes an actuator mounted to the body and engaging the valve. A pressure within a majority of a selected section of the formation may be controlled andor maintained to alter a composition of the produced mixture. The behavior controlling device controls the one apparatus such that the selected one has the target value corresponding to the selected one, in the case where the behavior control needs to be performed by the one apparatus. The fusion molecule comprises three components: a bioluminescent donor protein, a modulator, and a fluorescent acceptor molecule, wherein the FAM can accept energy from the BDP-generated luminescence when these components are in an appropriate spatial relationship and in the presence of an appropriate substrate.