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Wenying Liu, Yu Zhang, Prof. Stavros Thomopoulos and Prof. Younan Xia Generation of Controllable Gradients in Cell Density Angewandte Chemie International Edition 52

Article first published online: 5 SEP 2012 | DOI: 10.1002/anie.201206060

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Making the grad(ient): A gradient in cell density was generated on a substrate that was inserted into a homogeneous suspension of cells at a specific tilt angle by taking advantage of the gradual change in the number of cells available for sedimentation (see scheme). Reverse gradients were also fabricated on the same substrate using multiple sedimentation procedures.

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