DPAL (IMAGE) The University of Hong Kong Caption Graphic illustration of the work: DNA-programmed affinity labelling (DPAL) enables the direct screening of DNA-encoded chemical libraries (DELs) against membrane protein targets on live cells to create novel drug discovery opportunities. Credit The University of Hong Kong 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.