Elemental analysis (K+, Mg2+, Ca2+, Zn2+, Ag+) of residual biofilm after dressing being applied for 24 hours (a simple and chemically consistent model to investigate formulation effects) ()
CMC SCMC NGAD
Antibiotic-resistant P. aeruginosa NCTC 8506
Elemental analysis (Ag+) and quantitative live/dead staining after dressing being applied for 48 hours (a more challenging strain and longer dressing exposure time selected to challenge the silver-containing dressings) ()
NGAD NCSD SNAD
S. aureus (clinical wound isolate, CI72) and Klebsiella pneumoniae (clinical isolate, CI45)
TSB : FCS (50 : 50)
Simulated wound polymicrobial biofilm model
Quantitative microbiology (total viable counts), PNA FISH, live/dead and Calcofluor White staining after dressing application for 48 hours (a more complex inoculum and longer dressing exposure time selected to challenge the silver dressings) ()