Oxidative Crosslinking (image) Yale University Share Print E-Mail Caption Experimental maturation initiates glycoxidation/lipoxidation in a fresh eggshell matrix sample. The local browning of the otherwise translucent sample represents the formation of N-heterocyclic polymers. Credit Jasmina Wiemann/Yale University 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.