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. Author manuscript; available in PMC: 2021 Mar 18.
Published in final edited form as: ACS Chem Neurosci. 2020 Feb 28;11(6):840–850. doi: 10.1021/acschemneuro.9b00401

Table 1.

Composition and Stiffness Data for Each Model Matrix

composition (w/v) Young’s modulus, E (kPa)
collagen (3D) 0.2% rat tail collagen type I     0.156
soft (2D) 8% acrylamide, 0.03% BIS     3.53
stiff (2D) 10% acrylamide, 0.30% BIS     23.6
plastic/glass     ~106