The body contains a number of organs characterized by a tubular shape. In this study, we explored several methodologies for the construction of collagenous tubular scaffolds and films with defined (ultra)structure, length, diameter, orientation, and molecular composition. Standardization of molding, casting, freezing, and lyophilizing techniques using inexpensive materials and methods resulted in controllable fabrication of a wide variety of tubular and tissue-specific tubular scaffolds and films. Analysis included immunohistochemical and (ultra)structural examination. Handling and suturability were found adequate for tissue engineering applications.
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Koens et al. (2010) studied this question.
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