Protein Nanopore (image) Feinstein Kean Healthcare Caption A protein nanopore (blue) embedded in a lipid bilayer is coupled with a DNA polymerase (green). The polymerase sequentially adds complementary bases to single stranded DNA, thus ratcheting it upwards through the nanopore. Credit Oxford Nanopore Technologies Usage Restrictions None 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.