By combining two chemical techniques — narrow capillary electrophoresis and mass spectrometry — Moini figured out how to measure that ratio in just 20 minutes using microscopic samples of silk. (sciencemag.org)
New diagnostic techniques revealed traces of blood (inset, in blue) in microscopic samples from ancient African artifacts such as this one. (sciencemag.org)
To streamline this process, Uhlén's team has created standardized arrays containing microscopic samples from 48 kinds of normal human tissue and 20 types of tumors. (sciencemag.org)