At present, diagnosis of lung cancer relies on an invasive biopsy that is only effective after tumors are bigger than 3 cm or even metastatic. Earlier detection would vastly improve patients’ chances of survival. Now a team of researchers is developing a “lab-on-a-chip” that promises to detect lung cancer – and possibly other deadly cancers – much earlier, using only a small drop of a patient’s blood.

In the Royal Society of Chemistry journal, Yong Zeng, assistant professor of chemistry at the University of Kansas, and colleagues report a breakthrough study describing their invention.

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