The Quantum BT-Cef, provides a binary answer in the shortest possible time, offers unparalleled speed and convenience for the simultaneous detection of β-Lactams, Tetracyclines, and Cefalexin in cow, sheep, and goat milk. Packaged in a cassette without the need for sample heating. Delivers negative results in a mere 90 seconds, using quantum read which examines the probability distribution of states in various time readings of the chemical reaction.