For use in a wireless network, a controller for relay stations. In particular, the invention relates to the use of polypeptides of the sarcolection type to stimulate immunity, if necessary in combination with interferon or butyroids. Furthermore, the optical article includes an electrically responsive layer having a first surface and a second surface, wherein the electrically responsive layer is characterized by an optical absorbance in the range of about 200 nm to about 800 nm.