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. 2003 Apr;84(4):2634–2637. doi: 10.1016/s0006-3495(03)75068-1

FIGURE 1.

FIGURE 1

Schematic of the experiment: (a) an optically trapped bead is used to track the effect bacterial dynamics; and (b) a confocal fluorescence detection is used to monitor the fluorescence intensity fluctuations of EGFP-transformed bacterial dynamics.