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Pulsed eldor measurement of nitrogen T1 in spin labels |
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| Authors: | James S Hyde W Froncisz C Mottley |
| Institution: | National Biomedical ESR Center, Department of Radiology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, Wisconsin 53226, USA |
| Abstract: | A 180° pulse is delivered to one hyperfine line of a nitroxide spin label, and the arrival and disappearance of saturation at another hyperfine line is monitored with a second microwave field. Electron and nitrogen nuclear relaxation times are found to be in poor agreement ,vith the electron-nuclear dipolar (END) mechanism. |
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