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New blood test can detect pancreatic cancer in minutes

IANS  |  New York 

A new blood test developed by US researchers has shown promise for detecting in less than an hour.

The test, which is at the proof-of-concept stage, can rapidly screen a drop of blood for biomarkers of and provide results in less than an hour.

"We can use just a drop of blood as is -- no extra processing required," said Jean Lewis, Assistant Project Scientist at

The test uses an electronic chip-based system to extract nano-sized biological structures called exosomes directly from blood in minutes.

The physicians need to just apply a drop of blood on a small electronic chip, then turn the current on, wait for several minutes and add fluorescent labels and finally look at the results under a microscope.

If a blood sample tests positive for pancreatic cancer, bright fluorescent circles will appear, the researchers said, in a paper published in the journal Nano.

"This test could be used as a primary screening strategy to identify patients who would subsequently need to undergo more expensive and invasive diagnostic methods like a CT scan, or endoscopy," added Rebekah White, surgical oncologist and at the university's Moores Centre.

In the trial, the chip was able to flag the blood samples of patients with from those of patients without cancer.

"We envision that in the future, physicians might perform this type of test using a quick finger stick to diagnose patients who may not know they have the yet," Lewis added.

--IANS

rt/mag/mr

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Fri, May 18 2018. 14:50 IST
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