Imperial College London biomedical materials scientist Molly Stevens teamed up with Massachusetts Institute of Technology biomedical engineer Sangeeta Bhatia to develop the approach, which they think has the potential to help patients in low-resource and rural areas, where available medical technology may be limited. Stevens specializes in low-cost catalyst-based diagnostics and Bhatia works on creating nanosensors that respond to enzymatic activity. The two combined their expertise to create nanoparticle-protein complexes that, once injected, can reveal the presence of disease-related enzymes through a simple urine test.
Sensor turns urine blue in the presence of tumor-related enzymes.
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