G. Popescu, K. Badizadegan, R. R. Dasari, M. S. Feld, Observation of dynamic subdomains in red blood cells, J. Biomed. Opt. Lett., 11, 040503 (2006).
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We quantify the nanoscale structure and lowfrequency dynamics associated with live red blood cells. The membrane displacements are measured using quantitative phase images provided by Fourier phase microscopy, with an average path-length stability of 0.75 nm over 45 min. The results reveal the existence of dynamic, independent subdomains across the cells that fluctuate at various dominant frequencies.
