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. Author manuscript; available in PMC: 2022 Aug 15.
Published in final edited form as: Sens Actuators B Chem. 2021 Apr 20;341:129972. doi: 10.1016/j.snb.2021.129972

Figure 2. Photographs of the microformulator.

Figure 2.

A) The fully assembled microformulator: pump, valve, and sample vials with the electrochemical detection system (microclinical analyzer) with the inset showing a drawing of the electrodes and the sample chamber. B) The rotary planar peristaltic pump showing rollers positioned against the channels in the pump chip. C) The rotary planar multiport valve showing the five balls positioned against the channels of the valve chip. The valve actuator is mostly hidden by the black H-shaped ball fixture.