Research Article

Feasibility Study on a Measurement Method and a Portable Measuring System to Estimate the Concentration of Cloxacillin and β-Lactamase in Milk

Figure 4

Picture of the developed prototype measuring system. In the figure, it is possible to see the LED, the photodiode PD, the cuvette holder, and the Arduino UNO board. During measurements, the system was enclosed in a plastic box to minimize the effects due to environmental lighting and stray-light.