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Table 3 Bacteria growth after exposure to Oxygen and/or Pressure

From: Oxybiotest project: microorganisms under pressure. Hyperbaric oxygen (HBO) and simple pressure interaction on selected bacteria

STAU 29213 - facultative anaerobic

Dilution 1

Dilution 2

Dilution 3

A1 group [100% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^6 cfu/ml

10^3 cfu/ml

No growth

A2 group [100% O2 at 2.5 ATA (15 msw; 147.09 kPa)]

10^6 cfu/ml

10^3 cfu/ml

No growth

B group [21% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^6 cfu/ml

10^3 cfu/ml

No growth

C group [21% O2 at 1.0 ATA (0 msw)]

10^6 cfu/ml

10^3 cfu/ml

No growth

ESCO 25922 - facultative anaerobic

Dilution 1

Dilution 2

Dilution 3

A1 group [100% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^6 cfu/ml

10^5 cfu/ml

No growth

A2 group [100% O2 at 2.5 ATA (15 msw; 147.09 kPa)]

10^6 cfu/ml

10^3 ufc/ml

No growth

B group [21% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^6 cfu/ml

10^5 cfu/ml

10^3 ufc/ml

C group [21% O2 at 1.0 ATA (0 msw)]

10^6 cfu/ml

10^3 cfu/ml

No growth

PSAE 27853 - obligate aerobic

Dilution 1

Dilution 2

Dilution 3

A1 group [100% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^6 cfu/ml

10^5 cfu/ml

10^4 ufc/ml

A2 group [100% O2 at 2.5 ATA (15 msw; 147.09 kPa)]

10^6 cfu/ml

10^5 cfu/ml

10^3 ufc/ml

B group [21% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^6 cfu/ml

10^5 cfu/ml

10^3 ufc/ml

C group [21% O2 at 1.0 ATA (0 msw)]

10^6 cfu/ml

10^4 cfu/ml

10^3 ufc/ml

ENFA 29212 - facultative anaerobic

Dilution 1

Dilution 2

Dilution 3

A1 group [100% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^6 cfu/ml

10^3 cfu/ml

No growth

A2 group [100% O2 at 2.5 ATA (15 msw; 147.09 kPa)]

10^6 cfu/ml

10^3 cfu/ml

No growth

B group [21% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^6 cfu/ml

10^5 cfu/ml

10^3 ufc/ml

C group [21% O2 at 1.0 ATA (0 msw)]

10^6 cfu/ml

10^5 cfu/ml

10^3 ufc/ml

BAFR (from patient) - anaerobic

Dilution 1

Dilution 2

Dilution 3

A1 group [100% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^4 cfu/ml

No growth

No growth

A2 group [100% O2 at 2.5 ATA (15 msw; 147.09 kPa)]

10^5 cfu/ml

10^3 cfu/ml

No growth

B group [21% O2 at 2.8 ATA (18 msw; 176.50 kPa)]

10^5 cfu/ml

10^3 cfu/ml

No growth

C group [21% O2 at 1.0 ATA (0 msw)]

10^6 cfu/ml

10^4 cfu/ml

10^3 ufc/ml

  1. Legend: cfu = Colony Forming Unit.