Title

Melt electrospinning writing and the biofabrication of voluminous tissues and organs

Conference Dates

June 5-9, 2017

Abstract

Considering the complexity of natural tissues, a major challenge in tissue engineering applications is to produce three- dimensional (3D) structures that are anatomically accurate. This requires the manufacture of high resolution scaffolds in large volume (mL) dimensions, that can be effectively vascularized. Furthermore, the structural heterogeneity that occurs in living tissue needs to be replicated, at least in part. Multimodal constructs contain features across different length scales, and are a method to manufacture a high surface area scaffold with milliliter volumes. For example, electrospinning has been used in conjunction with fused deposition modelling (FDM) to create a “bimodal” scaffold that contained both small diameter and large diameter elements. In this instance, the ordered scaffold structure is provided by the FDM component, while the electrospun fibers fill up the pores between each FDM layer. While there has been a significant effort in developing similar techniques to manufacture multimodal substrates with a defined organization, the resolutions remain limited. In general, highly resolved scaffolds with micron-scale control are difficult to build in the centimeter scale-range.

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Additional Files
6 - Paul Dalton.pdf (216 kB)

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