Testing for Gluten Using the LEO

Assessing the LEO Gluten Tester did not go as expected: Testing wheat bread for gluten

Long story short: Wheat bread was tested for gluten using the LEO tester. After 3 minutes, there was a faint line above the E as confirmed by the LEO app. According to the LEO website, “If you see a line above the "E" of LEO then the sample is 10 PPM or less.” Hmm. Long story long: Over a two day period (that included a lot of thinking and a phone chat with Adrian Rogers, a specialist in immunoassay development...