BetaStar® S is an assay for the rapid detection of beta-lactam antibiotics in raw, commingled cow milk at or below established Maximum Residue Levels (MRL). The test utilizes a separate test line to detect the sum of the parent drug ceftiofur and its metabolites. BetaStar S is designed to work with the Raptor® Integrated Analysis Platform and other AccuScan readers. The test can also be read visually.
Specifications
Analyte Beta-lactams
Approvals ILVO, MAPA
Brand BetaStar®
Platform Lateral Flow
Quantity per Package 50
Result Type Qualitative
Time to Result 5 Minutes

The BetaStar S 25/250 kit contains:

  1. 25/250 test strips
  2. 25/250 sample tubes
  3. 25/250 disposable 400 μL poly-pipettes

The BetaStar S Raptor 100 kit contains:

  1. 100 test strips
  2. 100 disposable Raptor cartridges
  3. 100 disposable 400 μL poly-pipettes
  1. Heater block/incubator capable of maintaining a temperature of 47.5 ± 1°C
  2. Raptor Integrated Analysis System (Neogen item number: 9680)

The sample is wicked through a reagent zone, which contains antibodies and receptors conjugated to colloidal gold particles. If beta-lactams, tetracyclines, chloramphenicol or streptomycin are present, they will be captured by their particle-antibody complex. The drug-antibody-particle complex then is wicked onto a membrane, which contains a separate zone for each drug conjugated to a protein carrier. These independent zones capture any uncomplexed drug antibody, allowing the particles to concentrate and form a visible line. As the level of a particular drug in the sample increases, free drug molecules will complex with the antibody-gold particles. This allows less antibody-gold to be captured in the test zones. Therefore, as the concentration of a drug in the sample increases, the test line density decreases. The membrane also contains a control zone where an immune complex present in the reagent zone is captured by an antibody, forming a visible line. The control line will always form regardless of the presence of the drug, ensuring the strip is functioning properly.

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Our customers’ success is our shared success. Our experts are ready to train you and your team on our solutions, so you can rest easy knowing procedures are performed properly and yield accurate results. In addition, we provide certificates upon completion of training to provide you with the documentation needed for audit traceability.


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