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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2011 Oct 18;59(2):346–354. doi: 10.1109/TBME.2011.2172440

Fig. 5.

Fig. 5

Comparison of the insertion forces of sharpened and unsharpened probes into an agar substrate. The sharpened tips yielded lower insertion forces than those of the wedge-tip probes for arrays with two, four, six, and eight shanks. The arrays were assembled similarly to Fig. 2(a). The center-to-center spacing of the shanks was 1 mm. Error bars represent two STDs over five insertion trials.