The agent for dyeing keratin fibers contains one or more aryl andor benzyl alcohols, one or more oxidizing enzymes, especially vanillyl oxidase, derivatives of vanillyl oxidase or galactose oxidase, and a nucleophilic compound that forms a dye for dyeing keratin fibers in the presence of the alcohols and enzymes. The polymeric substrate is modified physically and chemically using an inductively coupled plasma process. The delivery assembly can be incorporated into a fast food vending machine or can be designed as a standalone unit. The remote system then uses a second protocol to send the wake-up packet to a relay agent located on the target LAN. Accordingly, the invention provides a method of surely disinfecting the permselective membranes in membrane separation systems. Additionally, the methodology provides a method of asymmetrically oxidizing sulfides and phosphines.