TITRATION ULTRASONIC ANALYZER
This proposal relates to the emerging technique of high precision ultrasonic velocimetry that has provided unique and remarkable insights on bimolecular interactions. Often much of the driving force for macromolecular associations comes from reorganization of bound water. The unique sensitivity of sound velocity to changes in hydration makes it a powerful technique which can complement and sometimes surpass techniques such as isothermal titration calorimetry. Sound velocity monitored titrations can measure the affinity of binding of a macromolecule to a wide range of compounds, including drugs and other macromolecules. Exploitation of the technique has been hindered by the absence of commercial instrumentation with the precision, accuracy, sensitivity, and small sample volume required for biochemical studies. The goal of this proposal is to develop an ultrasonic velocimeter to analyze molecular association processes of biochemical and/or pharmaceutical importance. A prototype instrument, using a recently patented acoustic resonator, will be interfaced to a liquid delivery system. Software will be written to collect and analyze titration data. Evaluation of the prototype will include technical testing and calibration; laboratory testing with protein, carbohydrate, nucleic acid, and surfactant micelle systems; and end-user evaluation. Experimental protocols will be developed to allow a nonspeCialist to implement titration experiments with sound velocity as the observable.
Small Business Information at Submission:
Principal Investigator:Sarvazyan, armen
22 LANSDOWNE RD East Brunswick, NJ 08816
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