Table 2.

Overview of antibiotics and abbreviations used in this study

Name	Abbreviation	Antibiotic class	Stock solution
Aztreonam	AZT	Monobactams	50 mg/ml in DMF
Carbenicillin	CAR	Penicillins	50 mg/ml in 50:50 ethanol and H2O
Cefsulodin	CES	Cephalosporins (third generation)	20 mg/ml in H2O
Ceftazidime	CEF	Cephalosporins (third generation)	50 mg/ml in 0.1 M NaOH
Ciprofloxacin	CIP	Fluoroquinolones	25 mg/ml in 0.1M HCL
Colistin	COL	Polypeptides	50 mg/ml in H2O
Doripenem	DOR	Carbapenems	25 mg/ml in H2O
Gentamicin	GEN	Aminoglycosides	50 mg/ml in H2O
Imipenem	IMI	Carbapenems	5 mg/ml in H2O
Meropenem	MER	Carbapenems	20 mg/ml in DMSO
Piperacillin	PIP	Penicillins	50 mg/ml in H2O
Streptomycin	STR	Aminoglycosides	10 mg/ml in H2O
Tazobactam	TAZ	β-Lactamase inhibitor	10 mg/ml in H2O
Tobramycin	TOB	Aminoglycosides	50 mg/ml in H2O