Short Nanotubes Target Pancreatic Cancer (image) Rice University Caption Laser confocal microscopy images show nanotubes combined with polyethyleneimine and fluorescent tags can be taken up by pancreatic cancer cells. The left image shows nanotubes with rhodamine B dye in the cells; the center image shows a DAPI-stained cell and the right image combines the two. Credit Enrico Andreoli/Rice University Usage Restrictions For news reporting purposes only. 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.