New Screening Test for Lung Cancer

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In a new study published in Nature Nanotechnology the researchers discussed a possible new screening test for lung cancer that would identify cases at an earlier stage than is now possible. They used blood plasma samples to detect a change in a specific small RNA (ribonucleic acid) molecule that is often elevated in patients with lung cancer. Putting an extract of the blood plasma through a tiny hole in a thin membrane that is just big enough for a single molecule to pass, and applying an ionic current they could measure changes in the current that occur when molecules associated with lung cancer are present. The altered current acts as a signal related to lung cancer according to the researcher. “This technology could possibly be used in the future to detect other cancer types as well as other types of diseases with specific DNA and RNA in the blood” stated the researcher.

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