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Donkey Anti-rabbit beads
Beads designed to be used in SPA radioimmunoassay with primary antibodies of guinea pig origin.

Charge based binding beads
Charge-based binding beads enable the capture and assay of glutathione S-transferase (GST) fusion proteins

Protein A beads
The protein A SPA bead is designed primarily for use in RIA applications; particularly when the primary antibody is of rabbit, mouse, or guinea pig origin.

SPA Imaging Beads - CCD Imagers


SPA Imaging beads are microspheres containing scintillant which emit light in the red region of the visible spectrum. As a result, these beads are ideally suited to use with a CCD imager such as the LEADseeker homogeneous imaging system.

Two types of core SPA Imaging bead are available – yttrium oxide (YOx) and Polystyrene (PS). A number of biological coatings also exist for each core bead type to enable receptor binding, enzyme, molecular interaction and radioimmunoassays to be investigated.

SPA Imaging beads - selection guide





Use the SPA selection guide to see the entire product range

Visit the literature section to view product brochures and application notes

Visit the bibliography section and browse from over 600 references

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