Medical Device (IMAGE) Hong Kong Baptist University Caption (Left) A diagram showing neural stem cell differentiation: the neural stem cell placed on the nano-matrix becomes a functional cell; and (right) it shows the structure of the lightning type (�涏�� shape) of the nano-matrix. Credit HKBU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.