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. 2015 Oct 7;5:14801. doi: 10.1038/srep14801

Figure 1. Illustration of photoacoustic wave production of RBCs and MFC7 cell nuclei, the corresponding oblate spheroidal coordinates system for a RBC and prolate spheroidal coordinates system for a cell nucleus.

Figure 1

The photoacoustic waves (shown as the red waves) of individual biological particles are produced due to the laser uniform illumination on each RBCs (as the green flashing) and on each cell nuclei (as the ultraviolet flashing) at the respective absorption wavelength (green for RBCs and ultraviolet for cell nuclei).