Stem Cells (IMAGE) Ruhr-University Bochum Caption Two types of stem cells were stained with the new Bochum antibody 5750 (red) and the conventional antibody 487 (green). They can be clearly separated, since the antibodies recognise different LewisX sugar residues. © the American Society for Biochemistry and Molecular Biology. Credit RUB 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.