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CatchPoint Cyclic-GMP Fluorescent Assay Kit

Measures cGMP levels via a competitive immunoassay format offering high sensitivity and flexible readout times

The second messenger cyclic GMP (cGMP) modulates cellular processes, including smooth muscle relaxation, kidney function, and inflammation, by activating effectors such as protein kinases, cGMP-dependent phosphodiesterases, and cGMP-gated ion channels.


The CatchPoint® Cyclic-GMP Fluorescent Assay Kit's high-affinity reagents are optimized for sensitivity and precision in applications where cGMP levels are low. A single wash step removes unbound material prior to the development step, so the assay is very resistant to interference from colored or fluorescent test compounds. The proprietary Stoplight Red substrate is used to generate a stable fluorescent readout, allowing the assay to be read in as little as 10 minutes or up to 24 hours after substrate addition.

Benefits of the CatchPoint Cyclic-GMP Fluorescent Assay Kit

  • High affinity reagents are optimized for sensitivity when cGMP levels are low, ensuring results when other assays fail
  • Robust format resists interference from colored or fluorescent compounds, improving reliability of results
  • Rapid signal development (< 10 min) and no termination step give users a flexible read time that is compatible with automation and high-throughput screening
  • Quantitative method allows accurate determination of cGMP in samples
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