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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Acta Biomater. 2013 Jan 29;9(5):6393–6402. doi: 10.1016/j.actbio.2013.01.016

Figure 5.

Figure 5

Release of active collagenase from PEO fibers. (A) Combined AB and PSR staining of cartilage cylinders after 6 hours of exposure to BM, PEO, PEO-C, or aqueous collagenase (aqC, 0.1% w/v) solution (n=4). Scale = 0.5 mm. (B) GAG content of cartilage cylinders as a function of treatment and time (n=4). Dashed line indicates treatment with aqC for 3 hours. * = p≤0.05 compared to other groups at 3 hours. ** = p≤0.05 compared to all other groups at 6 hours.