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AuroFlow BT Combo Strip Test

The AuroFlow BT Combo Strip Test is a qualitative and rapid lateral flow assay designed to detect beta-lactam and tetracycline antibiotic residues in raw, commingled cow's milk.

Part Number FOOD-1087-01
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Rapid Strip Test for Beta-Lactam & Tetracyline Antibotic Residues in Milk

The AuroFlow BT Combo Strip Test is a qualitative and rapid lateral flow assay designed to detect both beta-lactam and tetracycline antibiotic residues in raw commingled cow's milk. This test is designed for rapid field use or reference lab settings. This immunochromatographic assay eliminates the need for a heating block.

The AuroFlow lateral flow test strips are designed for the detection of a broad range of antibiotics in raw, commingled cow's milk. These rapid tests detect 14 beta-lactam antibiotics and 3 tetracyclines in milk at or below EU and CODEX Maximum Residue Limits (MRL). The combo kits allow simultaneous detection of different classes of antibiotic residues.These state-of-the-art tests also use novel methods which eliminate the need for a heating block. Validation reports are available showing the efficacy of the tests in both room temperature and cold milk. The fast, simplified protocol can be seen in the next tab. For visual interpretation, when the signal at the T-line is more intense than the signal at the C-line, the milk sample is negative for presence of residues. A signal at the T-line which is equal to or less intense than the signal at the C-line indicates a contaminated milk sample.

This kit is manufactured to the international quality standard ISO 9001.

  • Detection Limit:
    • Penicillin G: 2-3 ppb
    • Ampicillin: 3-4 ppb
    • Amoxicillin: 3-4 ppb
    • Cloxacillin: 4-8 ppb
    • Oxacillin: 4-8 ppb
    • Dicloxacillin: 5-8 ppb
    • Nafcillin: 15-30 ppb
    • Ceftiofur: 25-100 ppb
    • Cephapirin*: 6-15 ppb
    • Desacetyl cephapirin*: 8-10 ppb
    • Cefazolin: 35-50 ppb
    • Cefoperazone: 5-20 ppb
    • Cephquinome: 10-20 ppb
    • Cephalonium: 4-8 ppb
    • Cefacetrile: 30-50 ppb
    • Tetracycline: 50-100 ppb
    • Chlortetracycline: 15-50 ppb
    • Oxytetracycline: 50-70 ppb
    • Doxycycline: 5-20 ppb
    • *MRL expressed as sum of parent and metabolite


Quantity in a Package Amount 96.0 Strips
Research Areas Food & Agriculture
Sample Type Milk
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Rapid Test Kits to Detect Residues in Dairy Products

Strip tests detect the most commonly used antibiotics found in cow’s milk. These AuroFlow tests are fast and easy-to-use in a laboratory or in the field, without requiring any additional equipment. In fact, milk can be directly introduced to a sample tube in the new AuroFlow PR1ME kits – the mixing step having been eliminated – and the test strip inserted immediately for results within minutes. PerkinElmer’s test strips are manufactured to test for European Union and CODEX maximum residue limits (MRL). PerkinElmer offers solutions for the detection of a multitude of drug residues, pasteurization verification, and Aflatoxin M1 by other methods such as ELISA based testing.