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. Author manuscript; available in PMC: 2022 Apr 26.
Published in final edited form as: J Neural Eng. 2021 Apr 26;18(4):10.1088/1741-2552/abf6f2. doi: 10.1088/1741-2552/abf6f2

Figure 31.

Figure 31.

Insertion of a polyimide probe into agarose gel using a tungsten rod. The probe is easily visible through the gel, and the retraction of the probe after rod withdrawal (box 6) can be easily measured. Reproduced from [55]. CC BY 4.0.