Abstract
Fast field-cycling (FFC) nuclear magnetic resonance relaxometry is a well-established method to determine the relaxation rates as a function of magnetic field strength. This so-called nuclear magnetic relaxation dispersion gives insight into the underlying molecular dynamics of a wide range of complex systems and has gained interest especially in the characterisation of biological tissues and diseases. The combination of FFC techniques with magnetic resonance imaging (MRI) offers a high potential for new types of image contrast more specific to pathological molecular dynamics. This article reviews the progress in FFC-MRI over the last decade and gives an overview of the hardware systems currently in operation. We discuss limitations and error correction strategies specific to FFC-MRI such as field stability and homogeneity, signal-to-noise ratio, eddy currents and acquisition time. We also report potential applications with impact in biology and medicine. Finally, we discuss the challenges and future applications in transferring the underlying molecular dynamics into novel types of image contrast by exploiting the dispersive properties of biological tissue or MRI contrast agents.
Original language | English |
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Pages (from-to) | 832-848 |
Number of pages | 17 |
Journal | Molecular Physics |
Volume | 117 |
Issue number | 7-8 |
Early online date | 18 Dec 2018 |
DOIs | |
Publication status | Published - 18 Apr 2019 |
Bibliographical note
This article is based upon work from COST Action CA15209, supported by COST (European Cooperation in Science and Technology). M. Bödenler, C. Gösweiner and H. Scharfetter acknowledge the financial support by the European Commission in the frame of the H2020 Future and Emerging Technologies (FET-open) under grant agreement 665172, project ‘CONQUER’. L. de Rochefort acknowledges the France Life Imaging network (Grant ANR-11-INBS-0006) that partially funded the small animal FFC-MRI system. D.J. Lurie, L.M. Broche and P.J. Ross acknowledge funding from the European Union’s H2020 research and innovation programme under grant agreement No 668119, project ‘IDentIFY’.Keywords
- field-cycling
- FFC-MRI
- delta relaxation enhanced MR
- dispersion
- NMRD
- Field-cycling
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Lionel Broche, M
- School of Medicine, Medical Sciences & Nutrition, Medical Sciences - Senior Research Fellow
- School of Medicine, Medical Sciences & Nutrition, MRC/Versus Arthritis Centre for Musculoskeletal Health and Work
- School of Medicine, Medical Sciences & Nutrition, Medical Imaging Technologies
- School of Medicine, Medical Sciences & Nutrition, Institute of Medical Sciences
- School of Medicine, Medical Sciences & Nutrition, Aberdeen Biomedical Imaging Centre
- School of Medicine, Medical Sciences & Nutrition, Aberdeen Centre for Arthritis and Musculoskeletal Health (ACAMH)
Person: Academic Related - Research