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ITC Assays


ITC is a solution based assay that measures the heat released or absorbed as the result of a chemical reaction. One component of the reaction is contained in a temperature-controlled cell, then the binding partner is gradually titrated into the system. When binding occurs, heat is either released or absorbed. This heat change is directly proportional to the amount of binding. ITC assays provide a complete thermodynamic profile of the interaction of molecules free in solution and provides a complete thermodynamic profile of the interaction, including: Binding stoichiometry, Binding Enthalpy (ΔH), Entropy (ΔS) and dissociation constant (KD). The biggest advantage of iTC is that the binding is measured under a label-free in-solution condition.

With ITC technology, RBC provides:

  • Equilibrium binding affinity (Ka);
  • Binding stoichiometry;
  • Enthalpy of binding ΔH
  • Entropy (ΔS), free energy of binding (ΔG), and dissociation constant (Kd) by extension


Instrument Used:
  • Nano iTC (TA Instruments)


Contact us today to discuss using our ITC assays in your project!


ITC Assays



















With the largest functional kinase activity assay panel in the industry, RBC provides kinase, epigenetic, and other profiling services to over 750 companies worldwide. RBC specializes in custom assay conditions, high quality reproducible data, and outstanding service.

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