Figure 4From: Microfluidic biosensor for β-Hydroxybutyrate (βHBA) determination of subclinical ketosis diagnosis Determination of incubation time. (a) Response of the biosensor at various time points for a βHBA standard solution of 0.5 mM at the mixture volume of 10 μL with LED input current at 33 μA. (b) Relationship of the saturation incubation time and mixture volumes.Back to article page