Zhao Image 2 (of 2) (IMAGE) Florida State University Caption Differentiated human mesenchymal (adult) stem cells are grown on highly porous three-dimensional biomimetic scaffolds made with the biomimetic materials chitosan and gelatin. Credit Feng Zhao, FAMU-FSU College of Engineering, Tallahassee, Fla. Usage Restrictions For News and Educational Purposes Only. 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.