PerkinElmer

Scintillation Proximity Assay (SPA)

OF

Combine the sensitivity of radioactive assays with the convenience of a homogeneous (no wash steps) assay using SPA technology. Scintillation proximity assay (SPA) is a homogeneous and versatile technology for the rapid and sensitive assay of a wide range of biological processes, including use with enzyme targets and receptor targets, radioimmunoassays, and molecular interactions. The assay format requires no separation steps and is amenable to automation.

SPAs using either SPA scintillation beads or SPA imaging beads can be read on scintillation counters and CCD imagers, respectively. In addition, SPA reagents are suitable for the detection of a range of isotopes, including 3H, 125I, 33P, and 14C, when used as radiolabels.

For biochemical assays such as receptor binding or enzyme activity, a scintillation proximity assay offers a more convenient, cost-effective, and safer technology for a range of applications. Furthermore, our CytoStar-T® microplates are sterile, TC-treated, clear-bottomed, white-walled microplates optimized for cell-based scintillation proximity assays.

Products & Services (54)
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  • Drug Discovery & Development (43)
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  • SPA Imaging Beads (16)
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1-25 of 54 Products & Services

  • PerkinElmer

    WGA-PEI TYPE A PS 500 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based scintillation assays.
    List Price : 6200.00 USD
  • PerkinElmer

    WGA-PEI TYPE A PS 50 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based scintillation assays.
    List Price : 57.00 USD
  • PerkinElmer

    WGA YSI 250MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based radiometric scintillation assays.
    List Price : 1067.00 USD
  • PerkinElmer

    WGA YSI 1G

    WGA-coated SPA beads, for capturing cell membranes in proximity-based radiometric scintillation assays.
    List Price : 4283.00 USD
  • PerkinElmer

    WGA YOX Imaging Beads 500 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based scintillation assays.
    List Price : 663.00 USD
  • PerkinElmer

    WGA YOX Imaging Beads 50 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based scintillation assays.
    List Price : 132.00 USD
  • PerkinElmer

    WGA PVT SPECIAL 25 X 500 MG

    Wheat germ agglutinin (WGA), PEI-coated SPA beads, for proximity-based radiometric scintillation assays. The treatment of PVT-WGA SPA beads with positively charged polyethyleneimine (PEI) blocks potential non-specific binding sites on the SPA bead surface.
    List Price : 19900.00 USD
  • PerkinElmer

    WGA PVT SPA 2G

    WGA-coated SPA beads, for capturing cell membranes in proximity-based radiometric scintillation assays.
    List Price : 4521.00 USD
  • PerkinElmer

    WGA PVT SPA 100 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based radiometric scintillation assays.
    List Price : 261.00 USD
  • PerkinElmer

    WGA PVT PEI TYPE B 500 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based radiometric scintillation assays.
    List Price : 1064.00 USD
  • PerkinElmer

    WGA PVT PEI TYPE A 500 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based radiometric scintillation assays.
    List Price : 1029.00 USD
  • PerkinElmer

    WGA PVT 500 MG SPA Beads

    WGA-coated SPA beads, for capturing cell membranes in proximity-based radiometric scintillation assays.
    List Price : 1030.00 USD
  • PerkinElmer

    WGA PS Imaging Beads 500 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based scintillation assays.
    List Price : 553.00 USD
  • PerkinElmer

    WGA PS Imaging Beads 50 MG

    WGA-coated SPA beads, for capturing cell membranes in proximity-based scintillation assays.
    List Price : 105.00 USD
  • PerkinElmer

    WGA PEI TYPE B PVT 25 X 2G

    WGA-coated SPA beads, for capturing cell membranes in proximity-based radiometric scintillation assays.
    List Price : 73400.00 USD
  • PerkinElmer

    Streptavidin YSI 75MG

    Streptavidin-coated SPA beads, for capturing biotinylated biomolecules in proximity-based radiometric scintillation assays.
    List Price : 1125.00 USD
  • PerkinElmer

    Streptavidin YSI 250MG YTTRIUM

    Streptavidin-coated SPA beads, for capturing biotinylated biomolecules in proximity-based radiometric scintillation assays.
    List Price : 3524.00 USD
  • PerkinElmer

    Streptavidin PVT 50MG

    Streptavidin-coated SPA beads, for capturing biotinylated biomolecules in proximity-based radiometric scintillation assays.
    List Price : 373.00 USD
  • PerkinElmer

    Streptavidin PVT 500MG

    Streptavidin-coated SPA beads, for capturing biotinylated biomolecules in proximity-based radiometric scintillation assays.
    List Price : 3366.00 USD
  • PerkinElmer

    Streptavidin PVT 2G

    Streptavidin-coated SPA beads, for capturing biotinylated biomolecules in proximity-based radiometric scintillation assays.
    List Price : 13900.00 USD
  • PerkinElmer

    Streptavidin PVT 25 X 2G

    Streptavidin-coated SPA beads, for capturing biotinylated biomolecules in proximity-based radiometric scintillation assays.
    List Price : 72200.00 USD
  • PerkinElmer

    Streptavidin PVT 150MG

    Streptavidin-coated SPA beads, for capturing biotinylated biomolecules in proximity-based radiometric scintillation assays.
    List Price : 984.00 USD
  • PerkinElmer

    Streptavidin YOX Imaging Beads 500 MG

    Streptavidin-coated SPA beads, for capturing biotinylated molecules in proximity-based scintillation assays.
    List Price : 1932.00 USD
  • PerkinElmer

    Streptavidin YOX Imaging Beads 50 MG

    Streptavidin-coated SPA beads, for capturing biotinylated molecules in proximity-based scintillation assays.
    List Price : 274.00 USD
  • PerkinElmer

    Streptavidin PS Imaging Beads 500 MG

    Streptavidin-coated SPA beads, for capturing biotinylated molecules in proximity-based scintillation assays.
    List Price : 1756.00 USD
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