Taylor, Michael A.Janousek, JiriDaria, VincentKnittel, JoachimHage, BorisBachor, HansBowen, Warwick2015-12-132015-12-13June 30-Ju9781467364751http://hdl.handle.net/1885/81362We demonstrate the first biological measurement with precision surpassing the quantum noise limit. Lipid particles within a living yeast cell are tracked with sub-shot noise sensitivity, thereby revealing the biological dynamics of the cellular cytoplasm.© 2013 IEEEBiological dynamicsBiological measurementLipid particlesLiving cellMicrorheologyQuantum noise limitSub-shot noiseYeast cellCytology201310.1109/CLEOPR.2013.66000802016-02-24