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Extra-cellular matrix (ECM) tethered morphogen gradients play an important role in tissue development and regeneration. There is currently only a limited set of model systems which can mimic these gradients in an artificial ECM-like environment. We have de ...
The Chemical and Biological Microsystems Society2008
versatile strategy to rapidly immobilize complex gradients of virtually any desired protein on soft poly(ethylene glycol) (PEG) hydrogel surfaces that are reminiscent of natural extracellular matrices (ECM) is reported. A microfluidic chip is used to gener ...
Conventional in situ hydrogel micropatterning techniques work successfully for relatively stiff hydrogels, but they often result in locally damaged surfaces upon demolding in the case of soft and fragile polymer networks formed at low precursor concentrati ...
American Chemical Society2009
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The neurosphere assay is the standard retrospective assay to test the self-renewal capability and multipotency of neural stem cells (NSC) in vitro. However, it has recently become clear that not all neurospheres are derived from a NSC and that on conventio ...