Microcapsule (IMAGE) Penn State Caption Pictured are micrographs of microcapsule syringes. a) Blue laser light shows lithographic microcapsule shell in green. Hole in the encapsulation can be seen as discontinuous circle. b) Green laser light shows the red dye loaded into the microcapsule. c) Differential Interference Contrast microscope image of microcapsule. d) Overlay of a) and b) showing image of filled capsule. Credit Darrell Velegol, Penn State Usage Restrictions Non-advertising use 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.