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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Exp Mech. 2018 Aug 17;59(9):1261–1274. doi: 10.1007/s11340-018-0424-1

Fig. 4. Macroscopic compression device to compress hydrogel-chondrocyte constructs or cartilage samples.

Fig. 4

(a) A sample is compressed by two plungers actuated by a motorized actuator (reproduced from [19] with permission). (b) Mechanical testing equipment for unconfined compression test of a sample (reproduced from [23] with permission). (c) Bioreactor (FX-4000C™ Flexcell® Compression Plus™ System) actuated by air pressure to compress multiple samples (reproduced from [26]).