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Influence of PLLA and PLLA/Col-I nanofibers on gene expression Col-I deposition of TDF's. Time course of collagen-I gene expression of TDF's on nanofibers compared to cover slips control (A). Immunofluorescence microphotographs of Col-I (red) deposition after 22 days of culture cover slip control (B), PLLA nanofibers (C) and PLLA/Col-I nanofibers (D).
