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. 2009 Oct 20;2(6):634–641. doi: 10.1111/j.1751-7915.2009.00120.x

Table 2.

Rheological properties of Staphylococcus aureus and Staphylococcus epidermidis biofilms.

Strains η0 (Pa·s) Je0 (Pa−1) G′ (Pa) G″ (Pa) Yield stress Elastic relaxation time (λ) (min)
S. aureus ATCC 29213 n.d. n.d. n.d. n.d. n.d. n.d.
S. aureus 6ME (2.1 ± 1.7) × 106a (5.9 ± 4.1) × 10−3a (2.1 ± 0.9) × 103a 72 ± 57a 2.0–3.0 Pa 18.2 ± 3.3
S. aureus 815CT (1.9 ± 1.2) × 105 (3.5 ± 3.2) × 10−2 (1.5 ± 1.1) × 102 11 ± 9.9 0.1–0.5 Pa 17.5 ± 3.1
S. epidermidis ATCC 35984 (46 ± 5.0) × 103 (5.9 ± 3.8) × 10−2 (4.5 ± 4.4) × 102 25 ± 23 0.5–1.0 Pa 19.2 ± 4.3
a.

P < 0.1 compared with S. epidermidis ATCC 35984.

Values (±SD) are means of five experiments; each experiment was performed in triplicate.

n.d., not determined.