SEARCH Articles Figures Tables Distance between paramagnetic centers ENDOR spectroscopy paramagnetic centers Electron paramagnetic resonance , metal centers Electron paramagnetic resonance hole centers Metal-centered radicals, electron paramagnetic Native Paramagnetic Centers Paramagnetic anionic coordination center Paramagnetic centers exchange interaction Paramagnetic centers location Photosynthetic reaction center electron paramagnetic resonance Spin = 1/2 systems, electron paramagnetic metal-centered radicals Surface paramagnetic centers