A multilayer enzyme immobilization process is provided comprising adsorbing a polyethyleneimine solution in a fibrous matrix, and adding an enzyme to the fibrous matrix, which comprises a plurality of fibrils. The system comprises one or more retrofittable kits enabling the upgrading of contaminate-vulnerable materials of an existing dive helmet to provide full environment isolation for the diver. The interface method object may be generated by retrieving an interface description for the remote method and using the interface description, including any necessary parameters determined from the interface description, to generate the interface method call. A first burner emits a flame carrying fine particles of glass forming the core portion, and a second burner emits a flame carrying fine particles of glass forming the cladding portion.