60 Ceftazidime shows concentration-dependent killing on ß-lactamase-overproducing biofilm of Pseudomonas aeruginosa

60 Ceftazidime shows concentration-dependent killing on b-lactamase-overproducing biofilm of Pseudomonas aeruginosa H. Wang1, O. Ciofu2, L. Yang3, H. Wu1, Z. Song1, A. Oliver4, N. Hoiby1. 1University of Copenhagen, Dept. of Clinical Microbiology, Rigshospitalet, Copenhagen, Denmark; 2University of Copenhagen, Institute for International Health, Immunology and Microbiology, Copenhagen, Denmark; 3Technical University of Denmark, Department of Systems Biology, Center for Systems Microbiology, Copenhagen, Denmark; 4Hospital Son Espases, Servicio de Microbiologia, Palma, Spain