Keywords: PAMAM; poly(amidoamine); G4OH; generation 4 hydroxyl-terminated PAMAM dendrimer; Pep4; a peptide with the sequence AFPQFRSATLLL; PID; pelvic inflammatory disease; C. trachomatis; Chlamydia trachomatis; GLXA; glycolipid exoantigen; MHC-II; class II major h