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  • Work with LifeSpan to design a custom immunohistochemistry to address your specific biological question. Outsource the entire localization process without having to worry about finding and characterizing target specific antibodies, sourcing and validating difficult-to-find tissues, and having the ability to interpret the resulting immunostaining in relation to complex human pathologies.

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  • Test your therapeutic antibodies in immunohistochemistry against a broad panel of normal frozen human tissue types in order to determine potential unintended binding. Our non-GLP TCR services are designed on the FDA recommendation outlined in their "Points to Consider in the Manufacture and Testing of Monoclonal Antibody Products for Human Use".
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2401 Fourth Avenue Suite 900
Seattle WA 98121

Phone: 866-819-4732 (Toll Free North America)
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Chemiluminescent Immunoassay (CLIA) Kits

ELISA Kit Image
Chemiluminescent immunoassay (CLIA) offers significant advantages over traditional assay detection methods. Rather than using messy isotopic detection, or chromogens such and TMB or ABTS that require absorption spectroscopy, CLIA kits utilize chemical reactions that produce light. Measurement of light is highly useful because the concentration of an unknown can be inferred from the rate at which light is emitted. Extraordinary sensitivity, low background, a wide dynamic range, and inexpensive instrumentation distinguish luminometry from other analytical methods.




Features:

  • Ready-to-use kit includes all necessary reagents
  • Available for a broad selection of target antigens
  • Suitable for use with a wide variety of sample types
  • Multi-species reactivity (human, mouse and rat)
  • Excellent sensitivity, specificity, and reproducibility
  • Built on standard 96-well microtiter plate format
  • Sensitive luminescent detection

Kit Components:

  • 96-well microtiter plate and sealers
  • Sample Diluent
  • Capture and/or detection antibodies
  • Avidin/HRP Conjugate
  • Wash Buffer
  • Substrate Solution
  • Detailed Protocol

Sandwich ELISA Based CLIA Protocol

CLIA Sandwich Overview
This assay is based on the sandwich CLIA principle. Each well of the supplied microtiter plate has been pre-coated with a target specific capture antibody. Standards or samples are added to the wells and the target antigen binds to the capture antibody. Unbound Standard or sample is washed away. A biotin-conjugated detection antibody is then added which binds to the captured antigen. Unbound detection antibody is washed away. An Avidin-Horseradish Peroxidase (HRP) conjugate is then added which binds to the biotin. Unbound Avidin-HRP conjugate is washed away. A chemiluminescent substrate is then added which reacts with the HRP enzyme resulting in light development. The relative light units (RLU) of each well are measured using a luminometer. The RLU of an unknown sample can then be compared to an RLU standard curve generated using known antigen concentrations in order to determine its antigen concentration.
ELISA Standard Curve


Competition EIA Based CLIA Protocol

CLIA Competitive Overview
This assay is based on a competitive principle. Each well of the supplied microtiter plate has been pre-coated with target antigen. Standards or samples are added to the wells as well as a Biotin-conjugated detection antibody. The free antigens (in the standards or samples) and antigens bound to the plate compete to bind to the detection antibody. All but the bound Biotin-conjugated detection antibody is washed away. An Avidin-Horseradish Peroxidase (HRP) conjugate is then added which binds to the biotin then unbound HRP-conjugate is washed away. A chemiluminescent substrate is then added which reacts with the HRP enzyme resulting in light development. The relative light units (RLU) of each well are measured using a luminometer. The RLU of an unknown sample can then be compared to an RLU standard curve generated using known antigen concentrations in order to determine its antigen concentration. Unlike typical Sandwich assays, in competition assays the greater the amount of antigen in the sample, the lower the light development and relative light unit (RLU) measurement.
ELISA Standard Curve



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