A groundbreaking technique using quantum entanglement and correlation allows for higher-resolution X-ray images with reduced radiation exposure, potentially transforming medical imaging.
Sign up for our email newsletter for the latest science newsX-rays pass easily through biological materials to provide unprecedented insight into the internal structure of everything from biological structures in living cells to broken bones in damaged bodies. But biologists face something of a dilemma in making these images. The ionizing nature of X-rays can break chemical bonds, damage living cells and distort the biological structures under investigation.
So biological imaging experiments must balance the need for clear images against the inevitable damage X-rays cause. That boils down to finding ways of increasing resolution while reducing exposure. “New experimental methods to allow for low-dose, high precision measurements are urgently needed,” say Justin Goodrich at the Brookhaven National Laboratory in Upton and colleagues.As luck would have it, they have pioneered an innovative approach to X-ray imaging that uses the quantum properties of light to produce images with greater resolution with lower doses of radiation, which has the potential to transform medical imaging. So-called quantum imaging exploits the unique properties of quantum entanglement and correlation to gather information about objects with higher resolution and reduced noise. Unlike classical imaging, quantum techniques allow researchers to bypass some limitations of traditional optics, such as the diffraction limit and signal-to-noise constraints. These techniques have been used for some time at optical wavelengths. But the X-ray regime has proved harder to tame because the technologies for producing and detecting entangled photons are much less mature. Now the Brookhaven team has taken the first steps to change that. Quantum imaging works by creating a stream of entangled photons and allowing one of each pair to interact with the object in questio
QUANTUM IMAGING X-RAY BIOLOGICAL IMAGING MEDICAL IMAGING QUANTUM ENTANGLEMENT
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