A method and a device involving an electric iris diaphragmshutter for controlling particle transfer of electrically charged medication powder particles from a source to a defined target area or areas, of a chuck member. The user is provided with an interface surface containing information relating to the computer software and including coded data indicative of at least one interactive element relating to the computer software. The invention also relates to immunogenic compositions containing BASB006 polypeptides. One or more tags is included in the JSP definition to enable interaction between the user interface and the functional component.