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. Author manuscript; available in PMC: 2014 Mar 31.
Published in final edited form as: Biomed Microdevices. 2008 Aug;10(4):573–583. doi: 10.1007/s10544-008-9169-4

Fig. 8.

Fig. 8

Swimming speed (VCL) and fluorescent ratio fluctuations of each individual sperm. The left y-axis is the ratio value. The right y-axis is the VCL value averaged over three frames around the frame a ratio image is taken. Both are plotted against time (seconds)