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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: Biomaterials. 2016 Jun 15;102:268–276. doi: 10.1016/j.biomaterials.2016.06.022

Fig. 2.

Fig. 2

2PCA conjugation of ECM proteins in solution. The N-terminal modification of type I collagen (a, b), fibronectin (c, d) and laminin (e, f) with 2PCA-fluorescein was monitored by SDS-PAGE. The SDS-PAGE gels were fluorescently imaged (b, d, f) to visualize conjugated products and Coomassie stained (a, c, e) to show total protein content. Benzylalkoxyamine (benzyl-ONH2) and fluorescein were used as controls, which show minimal fluorescence. Arrows indicate corresponding ECM protein subunits.