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Comprehensive Collagen Crosslinking Comparison Of Microfluidic Wet-Extruded Microfibers For Bioactive Surgical Suture Development, Amrita Dasgupta, Nardos Sori, Stella Petrova, Yas Maghdouri-White, Nick Thayer, Nathan Kemper, Seth Polk, Delaney Leathers, Kelly Coughenour, Jake Dascoli, Riya Palikonda, Connor Donahue, Anna A. Bulysheva, Michael P. Francis
Comprehensive Collagen Crosslinking Comparison Of Microfluidic Wet-Extruded Microfibers For Bioactive Surgical Suture Development, Amrita Dasgupta, Nardos Sori, Stella Petrova, Yas Maghdouri-White, Nick Thayer, Nathan Kemper, Seth Polk, Delaney Leathers, Kelly Coughenour, Jake Dascoli, Riya Palikonda, Connor Donahue, Anna A. Bulysheva, Michael P. Francis
Bioelectrics Publications
Collagen microfiber-based constructs have garnered considerable attention for ligament, tendon, and other soft tissue repairs, yet with limited clinical translation due to strength, biocompatibility, scalable manufacturing, and other challenges. Crosslinking collagen fibers improves mechanical properties; however, questions remain regarding optimal crosslinking chemistries, biocompatibility, biodegradation, long-term stability, and potential for biotextile assemble at scale, limiting their clinical usefulness. Here, we assessed over 50 different crosslinking chemistries on microfluidic wet-extruded collagen microfibers made with clinically relevant collagen to optimize collagen fibers as a biotextile yarn for suture or other medical device manufacture. The endogenous collagen crosslinker, glyoxal, provides extraordinary fiber ultimate tensile …