An image of capillaries taken with spectral contrast optical coherence tomography angiography, which is the first technology to capture blood flow and oxygen exchange. Image: Vadim Backman/Northwestern University
Studying blood capillaries in 3D with a new technique - technology short science news

By combining spectroscopy and tomography techniques, scientists are able for the first time to study the over 40 billion tiny, hair-like blood vessels in our body. This is an important step forward, as these blood vessels mediate the oxygen exchange between blood and cells.

The technique is non-invasive, does not need a contrast dye, and, unlike conventional methods, can image even if the blood is not flowing.

The new imaging technique makes it possible to see the small vessel in 3D, and can indicate subtle changes in vascularization for early diagnosis of disease.

Read the full story: Northwestern University
Scientific publication: Light: Science and Applications

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