Finding the hallmarks of cancer in blood is hard to do — cancer-related proteins are present only in small amounts, are difficult to sort from all of the other circulating proteins, and tend to be eliminated quickly by the body. But one group has devised a method that could turn that around. At the Technion-Israel Institute of Technology in Haifa, Arie Admon and his team have devised a method that combines immunoaffinity purification, microcapillary chromatography, and mass spectrometry to separ...