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Disease Detection By Ultrasensitive Quantification Of Microdosed Synthetic Urinary Biomarkers

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Journal Of The American Chemical Society | September 8, 2014

Andrew D. Warren et al.,
Journal of the American Chemical Society
DOI: 10.1021/ja505676h

Abstract: The delivery of exogenous agents can enable noninvasive disease monitoring, but existing low-dose approaches require complex infrastructure. In this paper, we describe a microdose-scale injectable formulation of nanoparticles that interrogate the activity of thrombin, a key regulator of clotting, and produce urinary reporters of disease state. We establish a customized single molecule detection assay that enables urinary discrimination of thromboembolic disease in mice using doses of the nanoparticulate diagnostic agents that fall under regulatory guidelines for “microdosing.”