NANOSENSOR FOR ASSESSING THROMBIN INHIBITORS
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United States of America Patent
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Mar 2, 2017
app pub date -
Mar 25, 2015
filing date -
Mar 26, 2014
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Abstract
Constructs and monitoring systems to assess the level of molecules that bind to thrombin (e.g. thrombin regulators and inhibitors) are provided. The constructs are nanosensors comprising i) a thrombin molecule to which is bound a reporter ligand comprising a fluorescent label, ii) a fluorescence-quenching metal nanoparticle, and, optionally iii) a fluorescence-quenching dye molecule attached to one or both of the nanoparticle and the thrombin molecule. The binding of a thrombin regulator or inhibitor to the thrombin molecule displaces the reporter ligand, and the signal from the fluorescent label increases. The increase is proportional to the concentration of thrombin-binding molecule in the sample.
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