Fig. 9From: Using Blue Mini-LEDs as a Light Source Designed a Miniaturized Optomechanical Device for the Detection of Direct BilirubinLinear analysis of direct bilirubin (0.855–17.1 μmol/L) by blue Mini-LEDs MOD at 462 nm; the regression equation was y = 0.0385x + 0.0253, R.2 of 0.999Back to article page