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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: Acta Biomater. 2009 Nov 1;6(6):2091–2096. doi: 10.1016/j.actbio.2009.10.048

Figure 1.

Figure 1

Timeline showing contractile period of engineered cardiac tissue containing Matrigel (outlined) or porcine SIS gel (filled). Engineered tissue constructs began contracting on day 3 or day 4 and continued for up to 10 days. One construct from each group was still contracting at the time of snap-freezing on day 13. No significant differences were observed between constructs containing Matrigel (M1–3) or SIS gel (S1–3) for the following parameters: the time between cell seeding and initial contractions; the duration of contractions; and the time between cell seeding and final contractions.