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. Author manuscript; available in PMC: 2014 Feb 3.
Published in final edited form as: J Struct Biol. 2011 Jul 29;176(1):41–45. doi: 10.1016/j.jsb.2011.07.013

Fig. 4.

Fig. 4

The mechanical testing set-up consisting of two clamps submerged in a saline bath, a 150-g load cell, and a stepper-motor-driven actuator.