Microarrayed 3D Platform (IMAGE) City University of Hong Kong Caption The new microarrayed 3D platform for performing the chemotactic experiments, enabling precise and systematic study on the neuronal sensitivity to the steepness of molecular gradient. Credit City University of Hong Kong Usage Restrictions This image can only be used with appropriate caption and credit. 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.