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DIY Assays Kits Develop Label-Free Assays In-House

| Editor: Dr. Jörg Kempf

Pharmaceutical and biotech companies can now develop their own label-free assays using the SoPRano CA1 assay kit from PharmaDiagnostics.

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The company claims that this is the first time high-throughput label-free screening has been made available using standard plate readers and simple assay protocols. Users couple their own proteins to PharmaDiagnostics’ SoPRano gold nanoparticles, and carry out the assays using a variant of the well-established surface plasmon resonance (SPR) technique. Applications include fragment screening, focused high-throughput screening (HTS), antibody discovery and hit confirmation. The company also offers SoPRano kits for a range of ADME and physicochemical properties, including plasma protein binding, pKa as well as redox. Previous label-free assays based on SPR have been limited in throughput and have required expensive equipment, says the firm.

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