A microfluidic device is presented which fully automates all of the incubation steps of a microbead immunoassay. The device requires only controlled inlet flow rates to achieve this automation, and has no moving parts. These assays are useful for a wide variety of biomolecular quantification applications. Additional benefits of the micro-immunoassay are small sample volume requirements, high sampling rate capability, continuous monitoring, and the potential for real time monitoring of time-varying sample concentrations. The continuous monitoring feature has specific clinical applications such as studying the time course of inflammatory biomarkers in the blood during mechanical circulatory support procedures, and studying the inflammation response in cerebrospinal fluid following spinal cord injury. It has also been shown that multiplexed quantification on a single micro-immunoassay chip is possible. These unique features will enable a variety of new functionalities for clinical diagnostics and laboratory research as compared to existing assay techniques.
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Biomedical Engineering
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Rutgers University Electronic Theses and Dissertations
Rutgers University. Graduate School - New Brunswick
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