The RT-ELISA prototype consists of three modules: in the first (bottom), blood from the subject is mixed with a solution containing beads of target protein-detecting probes and fluorescent detection antibodies. The second module (top-right) eliminates excess blood cells. And the third module (top-left), transfers the fluorescently labeled beads to a detection window for measurement by a high-speed camera. (Image credit: Caitlin Maikawa)
The RT-ELISA prototype consists of three modules: in the first ( bottom ), blood from the subject is mixed with a solution containing beads of target protein-detecting probes and fluorescent detection antibodies. The second module (top- right ) eliminates excess blood cells. And the third module (top- left ), transfers the fluorescently labeled beads to a detection window for measurement by a high-speed camera. (Image credit: Caitlin Maikawa) The new device can continuously sense levels of virtually any protein or molecule in the blood. The researchers say it could be transformative for disease detection, patient monitoring and biomedical research. For even the most routine of medical checkups, a blood test is often the first order of business. But, for all its diagnostic power, this common test provides only a snapshot of the blood during a single moment in time.
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