Published in

Elsevier, Journal of Magnetic Resonance, (243), p. 1-7, 2014

DOI: 10.1016/j.jmr.2014.03.001

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Two-dimensional spectral–spatial EPR imaging with the rapid scan and modulated magnetic field gradient

This paper is available in a repository.
This paper is available in a repository.

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Abstract

A new method for fast spectral-spatial electron paramagnetic resonance imaging (EPRI) is presented. To reduce the time of projections acquisition we propose to combine rapid scan of Zeeman magnetic field using high frequency sinusoidal modulation with simultaneously applied magnetic field gradients, whose amplitude is modulated at low frequency. The correctness of the method is confirmed by studies carried out on a phantom consisting of two LiPc samples. The spectral-spatial images from the acquired data are reconstructed using iterative algorithms. The proposed method allows to acquire the spectral-spatial image with 800 projections at 200ms.