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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: J Biomed Mater Res A. 2013 Nov 15;102(10):3477–3487. doi: 10.1002/jbm.a.35015

Table 2.

Levels for the Factors Tested in Studies 1 and 2 Following a Two-Level Fractional Factorial Design

Study 1 GMP Medium DBR PEG chain MW
Level 1 10 mM Col-PBS 40 10,000
Level 2 40 mM PBS 60 35,000
Study 2 GMP Medium DBR Crosslinker Type
Level 1 10 mM Col-PBS 40 MB
Level 2 40 mM PBS 60 PEGDA