S18-489 New tyramide signal amplification (TSA) reagents and methods to expand applications Researchers at Stanford have developed methods and reagents to improve and expand the capabilities of tyramide signal amplification (TSA) for simultaneous detection of low abundance biomolecules. Garry Nolan Xavier Rovira Clave Sizun Jiang Yunhao Bai Tung Hung Su Shih Yu Chen