6/8/11
Nanoparticles for rapid analysis of tumors
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The new approach to cancer diagnosis relies on the exquisite sensitivity of nuclear magnetic resonance spectroscopy (NMR) built as a far-less-expensive handheld NMR machine that interfaces with a micro fluidic device and sends its results to a smart phone, which is also used to control the device. The device can detect the presence of multiple magnetic nanoparticles, each designed to bind to a specific tumor-associated molecular marker. In this technique fine needle biopsies are taken and suspension of cells from the biopsy are treated with a mixture of magnetic nanoparticles, each designed to bind to one of nine specific cancer biomarkers, and then injected into the micro fluidic channels of the instrument. Data signals from the microNMR machine are sent wirelessly to a smart phone for analysis, diagnosis as malignant samples and give readout.
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