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Chitosan Adhesive Films For Photochemical Tissue Bonding, Antonio Lauto, Damia Mawad, Matthew Barton, Sabine C. Piller, Leonardo Longo
Chitosan Adhesive Films For Photochemical Tissue Bonding, Antonio Lauto, Damia Mawad, Matthew Barton, Sabine C. Piller, Leonardo Longo
Australian Institute for Innovative Materials - Papers
Photochemical tissue bonding (PTB) is a promising sutureless technique for tissue repair. PTB is often achieved by applying a solution of rose bengal (RB) between two tissue edges, which are irradiated by a green laser to crosslink collagen fibers with minimal heat production. In this study, RB has been incorporated in chitosan films to create a novel tissue adhesive that is laser-activated. Materials and Methods. Adhesive films, based on chitosan and containing ∼0.1wt% RB were manufactured and bonded to calf intestine by a solid state laser (wavelength =532nm, Fluence ∼110J/cm2, spot size ∼5 mm). A single-column tensiometer, interfaced with a …