Which permits the application of methods for increasing the performance of a communications system on a medium made up of N conductors and a reference plane by means of injecting voltage signals in up to N combinations of the conductors, including injection in common mode, such that said injected signals can be made to be orthogonal to each other. A relational database environment having at least a relational database storage device is coupled with a server entity. The composition includes a biologically active material matrixed or otherwise contained within a hydrophobic phase with the latter absorbed onto a sorbent.