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Full-Text Articles in Biomedical Engineering and Bioengineering
Self-Powered Microfluidic Device For Rapid Assay Of Antiplatelet Drugs, Bincy Jose, Peter Mccluskey, Niamh Gilmartin, Martin Somers, Dermot Kenny, Antonio J. Ricco, Nigel Kent, Lourdes Basabe-Desmonts
Self-Powered Microfluidic Device For Rapid Assay Of Antiplatelet Drugs, Bincy Jose, Peter Mccluskey, Niamh Gilmartin, Martin Somers, Dermot Kenny, Antonio J. Ricco, Nigel Kent, Lourdes Basabe-Desmonts
Articles
We report the development of a microfluidic device for the rapid assay in whole blood of platelet-protein interactions indicative of the efficacy of antiplatelet drugs—e.g., aspirin and Plavix, two of the world’s most widely used drugs—in cardiovascular patients. Because platelet adhesion to surface-confined protein matrices is modulated by fluid shear rates at the blood/protein interface, and because such binding is a better indicator of platelet function than platelet self-aggregation, we designed, fabricated, and characterized the performance of a family of disposable, self-powered microfluidic chips with well-defined flow and interfacial shear rates suitable for small blood volumes (≤ 200 µL). We …