Allura Red, a red powdered azo dye, is commonly used in the cosmetic, food, textile, paper, and drug industries. Allura Red goes by several names, the most common being Red 40 or E129. Azo dyes are ...
One of the not-so-secret desires of the optical imaging community is "single molecule" imaging. This is usually not quite what it seems though. Most of us don't expect to get a picture of where all ...