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Schematic representation of the TIM-2 system. (A): Peristaltic glass unit.; (B): pH-monitoring unit; (C): pH-controller system (alkali pump); (D): Semi-permeable dialysis membrane; (E): Liquid volume sensor; (F): N2(g) inlet; (G): Sampling port; (H): Gas outlet; (I): Inlet system for content emptied from ileum; (J): Temperature sensor. Reprinted from [146], Baishideng Publishing Group, 2014.
