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. 2016 Apr;85:65–77. doi: 10.1016/j.biomaterials.2016.01.044

Fig. 4.

Fig. 4

Optimization of conditions for UV binding of THPs to collagen films. Biotinylated THPs were added to wells coated with 100% EDC/NHS cross-linked collagen films. Following PBS and citrate buffer washings, attached peptides were detected through HRP-Streptavidin binding to Biotin. A) Diazirine-ES-GFOGER-Biotin was incubated at concentrations ranging from 0 to 10 μg/ml and exposed to long wavelength UV light for 5 min. B) Diazirine-ES-GFOGER-Biotin or ES-GFOGER-Biotin were added to collagen films at 5 μg/ml and exposed to long wavelength UV light for durations ranging from 0 to 60 min.