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Single Hydrogen Atom Detected with Magnetic Resonance Imaging

Single Hydrogen Atom Detected with Magnetic Resonance Imaging | In Compliance Magazine

A team of researchers developed a new method to improve magnetic resonance imaging (MRI) spatial resolution to be able to detect a single hydrogen atom. In their experiments, the team was able to measure the MRI signal with an innovative diamond sensor chip using an optical readout from a fluorescence microscope.

The sensor chip used nitrogen-vacancy center, when two carbon atoms are missing in a regular diamond lattice, and one is replaced with a nitrogen atom. The use of nitrogen-vacancy center is ideal for precise magnetic field measurements because it has both fluorescent and magnetic characteristics. Using an optical measurement of the magnetization a 2×2 millimeter piece of diamond, the researchers were able to locate a magnetic atomic nuclei in the structure. This technological development could lead to the use of single-atom MRI to better understand the spatial structure of biomolecules, such as protein structures.

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A Dash of Maxwell’s: A Maxwell’s Equations Primer – Part One

Solving Maxwell’s Equations for real-life situations, like predicting the RF emissions from a cell tower, requires more mathematical horsepower than any individual mind can muster. These equations don’t give the scientist or engineer just insight, they are literally the answer to everything RF.

Read more about the detection of a single hydrogen atom using MRI.

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