Fluorescently labeled nanodiamonds (green) internalized into cancer cells. The nucleus and cytoplasm are stained in varying degrees of orange. This image relates to an article that appeared in the March 9, 2011, issue of Science Translational Medicine, published by AAAS. The study, by Dr. E.K. Chow of the University of California, San Francisco, and colleagues, was titled, "Nanodiamond Therapeutic Delivery Agents Mediate Enhanced Chemoresistant Tumor Treatment."