Shape and Surface of Collagen Gel Observed under Electronic Microscope (image) Korea Brain Research Institute Share Print E-Mail Caption - Top: Collagen gel which has been in use. Collagen fabric is observed on the surface. - Bottom: Collagen gel produced for this research. It is transparent to the extent that the the area below the gel can be seen. Credit KBRI Usage Restrictions None Share Print E-Mail 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.