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. Author manuscript; available in PMC: 2015 Jul 22.
Published in final edited form as: Adv Funct Mater. 2013 Mar 19;23(30):3738–3746. doi: 10.1002/adfm.201203319

Figure 1.

Figure 1

Mechanical characterization of 5% w/v of alginate. (A) Example photograph of 12 test samples punched out for mechanical testing. (B) Stress-strain curve collected for alginate substrates ionically crosslinked with 10mM, 60mM, and 100mM CaCl2. The straight line fits reveal a strong linear correlation implying elastic behavior. (C) Young’s moduli for 10, 60, and 100mM CaCl2 conditions calculated from the corresponding slope of the linear fits were determined to be 4.77 ± 0.08 kPa, 56.98 ± 0.86 kPa and 60.60 ± 0.64 kPa respectively (Mean ± SEM, N=3 samples).