Table 1.

Emitted bacterial VOCs determined by MCC-IMS in a positive and negative IMS mode

No.	Compound	A. baumannii	C. freundii	E. cloacae	E. coli	H. alvei	K. oxytoca	K. pneumoniae	P. mirabilis	P. aeruginosa	S. marcescens	S. aureus	S. epidermidis	S. haemolyticus	S. agalactiae	S. pneumoniae
		DSM 24110	DSM 24120	DSM 30054	DSM 1103	DSM 24119	DSM 24121	DSM 2026	DSM 4479	DSM 46358	DSM 20904	DSM 13661	DSM 18857	DSM 24111	DSM 2134	DSM 11967
Positive mode
1	Ethanol	X	X	XX	X	X	X	XX	XX	X	XX	XX	X	X	X
2	Indole				XX		XX
3	Phenethyl alcohol					XX	X	X	XX		X				XX
4	p_649_194								X
5	p_675_194								XX
6	p_679_429								X
7	p_700_423								X
8	p_711_3	X	X	X	X	X	X		X	X	X			X
9	p_749_26								X
10	p_749_37								X
11	p_771_54								X
12	p_774_4	X	X		X	X	X		X
13	p_793_19								X
14	p_794_12								X
15	p_818_26								X
	No. of VOCs	3	3	2	4	4	5	2	14	2	3	1	1	2	2	0
Negative mode
17	Phenethyl alcohol					X			X
18	p_493_17								X
19	p_543_12	XX				X	XX				X		X
20	p_563_24		XX
21	p_572_8		X	X	X	XX	X		X		X	X		X	X	X
22	2-(Methylthio)-ethanol				X
23	p_591_24		XX
24	p_599_10		X	X	X	X			X		X	X
25	Indole				XX		XX
26	p_629_10			X	X				X
27	p_654_20				X				X
28	p_681_36								X
29	p_688_22		X
30	p_744_22		X
31	Indole –dimer				X
32	p_857_18								X
No. of VOCs		1	6	3	7	4	3	0	8	0	3	2	1	1	1	1
Total no. of VOCs		4	9	5	11	8	8	2	22	2	6	3	2	3	3	1

Detected compounds in 10 mL headspace volume of each examined strain are illustrated by an X or XX if occurring in high amounts. 16 benzothiazole has been used for retention time normalization