This image is from the smartphone uric acid tester study referred to in the article at Uric Acid Test Strip Boxes.
For details of the study see:
Guo, Jinhong. "Uric acid monitoring with a smartphone as the electrochemical analyzer." Analytical chemistry 88, no. 24 (2016): 11986-11989.
Leave Uric Acid Test Strips for Smartphone to read Uric Acid Test Kit.
