Researchers create hand-held device for patients to read levels of cancer biomarker in their own blood

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Newswise: Researchers create hand-held device for patients to read levels of cancer biomarker in their own blood

Newswise — HAMILTON, ON, Oct. 8, 2020 — Researchers at McMaster and Brock universities have created the prototype for a hand-held device to measure a biomarker for cancer, paving the way for home-based cancer monitoring and to improve access to diagnostic testing.

The device works much like the monitors that diabetics use to test their blood-sugar levels and could be used in a medical clinic or at home, all without lab work, greatly simplifying the process for testing blood for cancer’s signature.

A user would mix a droplet of blood in a vial of reactive liquid, then place the mixture onto a strip and insert it into a reader. In minutes, the device would measure an antigen that indicates the degree to which cancer is present.

The prototype has been designed to monitor prostate specific antigen (PSA) and the technology can readily be adapted to measure other markers, depending on the form of cancer or other chronic disease.

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