Urine Test Strip Quantitative Assay with a Smartphone Camera

Figure 5

(a) Examples of urine test strips cut for leukocyte assay exposed to various activities of porcine lipase are indicated under each picture. (b) Use of urine test strips for leukocyte assay, represented by measurement of porcine lipase as a surrogate. Each sample was measured five times, and error bars indicate the standard deviation. Three curves were made for each RGB color channel.

(a)

(b)