Fig. 3: Representative photographs of experiences with point-of-use fluoride biosensor usability.
From: The accuracy and usability of point-of-use fluoride biosensors in rural Kenya
The two key user activities for operating the tests are test rehydration, in which a micropipette is used to transfer a water sample into a microtubule (left) and result interpretation, in which the user ascertains if a yellow color has appeared (right).
