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Quantum Sensing Technology Unveils Signals at Sub-Atomic Level


Scientists at Penn Engineering have developed a groundbreaking quantum sensing method that can detect signals from individual atoms with unprecedented precision. This new technique isolates single nuclei to reveal tiny differences in molecular structures, enabling advancements in fields like drug development and protein research.

The breakthrough discovery was made using nitrogen-vacancy centers in diamonds and combines decades-old theory with modern technology, opening new frontiers in quantum physics and spectroscopy. The new method, described in Nano Letters, allows for the detection of nuclear quadrupolar resonance (NQR) signals from individual atoms, a feat previously thought to be unattainable.

This unprecedented level of sensitivity offers new opportunities in drug development by providing insight into molecular interactions at the atomic level. The research team, led by Associate Professor Lee Bassett, uncovered this breakthrough when noticing unusual patterns in data gathered from routine experiments involving nitrogen-vacancy centers in diamonds.

The discovery was a result of an unexpected observation during experiments by former Penn graduate student Alex Breitweiser, who is now a researcher at IBM. By collaborating with researchers at Delft University of Technology in the Netherlands, the team was able to develop a method that can capture single atomic signals with extraordinary precision.

By utilizing this innovative new method, scientists can better understand the molecular mechanisms that shape our world and address pressing scientific challenges. The study was conducted at the University of Pennsylvania School of Engineering and Applied Science and supported by the National Science Foundation, as well as additional funding from the Natural Sciences and Engineering Research Council of Canada and IBM.

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Photo credit thequantuminsider.com

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