HeLa Cell Stained with SiR-Hoechst (image) Ecole Polytechnique Fédérale de Lausanne Share Print E-Mail Caption This image shows mitosis of a live HeLa cell stained with SiR-Hoechst, whose chemical structure is superimposed. Credit Kai Johnsson/EPFL Usage Restrictions To be used only for non-commercial, journalistic/educational purposes. 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.