Measuring molecules with the naked eye - When someone develops liver cancer, the disease introduces a very subtle difference to their bloodstream, increasing the concentration of a particular molecule by just 10 parts per billion. That small shift is difficult to detect without sophisticated lab equipment—but perhaps not for long. A new “lab on a chip” designed by Brigham Young University professor Adam Woolley and his students reveals the presence of ultra-low concentrations of a target molecule.(10.1021/ac301278s)

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