A lighting device includes a housing having first and second housing parts to define a receiving space. In particular, the work shows that it is possible to assemble VLPs in a prokaryotic organism and that nasal immunization of mice with the strains HPV-specific conformationally dependent and neutralizing antibodies in serum and genital secretions. The plating solutions are rather dilute and contain strong reductants to self-initiate on the conductive features.