Abstract According to EurekAlert!: FazhanShi and colleagues used a defect in a diamond to detect the electron spin resonance signal of a single protein at room temperature. Like medical MRI, which visualizes tissue in the body, such technology can help researchers...
According to EurekAlert!: Fazhan Shi and colleagues used a defect in a diamond to detect the electron spin resonance signal of a single protein at room temperature. Like medical MRI, which visualizes tissue in the body, such techniques can help researchers gain a better understanding of the structure and dynamics of all types of biomolecules. It has been difficult to scale this type of exploration down to the level of a single molecule. Shi and colleagues used a single diamond defect (called the nitrogen vacancy center) as a tiny magnetic detector to observe a portion of the electron spin in the cyclin labeled with nitrogen oxides.
In a related Perspective, Philip Hemmer and Carmen Gomes discuss these results and point to the need to find ways to monitor more than one electron spin in a protein.
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