Friday, 11 November 2011

A naturally occurring nanomaterial from the Sundew (Drosera) for tissue engineering

Bioinsp. Biomim. 6 (2011) 046009 (8pp) Download the pdf here



Abstract
In recent years advances have been made in the design of novel materials for tissue
engineering through the use of polysaccharides. This study evaluated the ability of a naturally
secreted polysaccharide adhesive from the Sundew (Drosera capensis) as a support for cell
growth. The Sundew adhesive has several advantages including its high elasticity and
antibiotic nature. By coating glass cover slips with the Sundew adhesive, a network of
nanofibers was generated that was capable of promoting attachment and differentiation of a
model neuronal cell line, PC-12. We also demonstrated the potential of this material for
repairing bone and soft tissue injuries, by testing attachment of osteoblasts and endothelial
cells. Finally, it was determined that the Sundew biomaterial was stable through testing by
atomic force microscopy and prolonged cell growth. This work has proven the capabilities of
using a nanomaterial derived from the Sundew adhesive for the purpose of tissue engineering.

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