Figure Showing Successful Cell Lines (IMAGE) University of Missouri-Columbia Caption In this figure, Alizarin Red S calcium staining shows how all nonwoven fabrics types were evaluated as tissue engineering scaffolds. Calcium deposits appear dark red after staining and all fabric types exhibited the presence of intense calcium staining when treated indicating the presence of viable cells. Credit Stephen Tuin 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.