On the Transverse relaxation rate enhancement induced by diffusion of spins through inhomogeneous fields
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Summary
A problem, commonly overlooked, is pointed out in the development of expressions for the relaxation enhancement which has led some workers to the derivation of results inappropriate for large magnetic particles.
- Type
- article
- Published
- 1991-02-01
- Cited by
- 63
- References
- 13
- OpenAlex
- https://openalex.org/W2004187295
- Semantic Scholar
- https://api.semanticscholar.org/CorpusID:33359785
Keywords
Spins, Relaxation (psychology), Diffusion, Proton, Magnetic field
References
- Relaxation enhancement using liposomes carrying paramagnetic species.
- Modulation of water proton relaxation rates by liposomes containing paramagnetic materials
- Effects of Diffusion on Free Precession in Nuclear Magnetic Resonance Experiments
- Monoclonal antibody‐coated magnetite particles as contrast agents in magnetic resonance imaging of tumors
- Studies of diffusion in random fields produced by variations in susceptibility
- Ferromagnetic contrast agents: A new approach
- Transverse relaxation of solvent protons induced by magnetized spheres: Application to ferritin, erythrocytes, and magnetite
- Hepatic micrometastases in the rat: ferrite-enhanced MR imaging.
- Liposome delivery of NMR contrast agents for improved tissue imaging
- Gadolinium oxide: a protoype agent for contrast enhanced imaging of the liver and spleen with magnetic resonance.
- A quantitative study of relaxation rate enhancement produced by iron oxide particles in polyacrylamide gels and tissue
- Transverse relaxation rate enhancement caused by magnetic particulates.
- Spin Echoes
Cited by
- Frequency dependence of MR relaxation times II. Iron oxides
- Breast cancer: regional blood flow and blood volume measured with magnetic susceptibility-based MR imaging--initial results.
- Diffusion-mediated dephasing in the dipole field around a single spherical magnetic object.
- MRI susceptometry: Image‐based measurement of absolute susceptibility of MR contrast agents and human blood
- Spatial and temporal resolution of functional magnetic resonance imaging.
- Microscopic susceptibility variation and transverse relaxation: Theory and experiment
- Pitfalls in MR measurement of tissue blood flow with intravascular tracers: Which mean transit time?
- T1 and T2 of ferritin solutions: Effect of loading factor
- In vivo 1H2O T †2 measurement in the human occipital lobe at 4T and 7T by Carr‐Purcell MRI: Detection of microscopic susceptibility contrast
- Paramagnetic relaxation in sandstones: distinguishing T1 and T2 dependence on surface relaxation, internal gradients and dependence on echo spacing.
- On the parameters affecting the sensitivity of MR measures of pressure with microbubbles
- Comparison of t2 relaxation in blood, brain, and ferritin
- NMR relaxation rates and blood oxygenation level
- Mr contrast due to intravascular magnetic susceptibility perturbations
- Contrast agents for fast imaging
- Detection of single mammalian cells by high-resolution magnetic resonance imaging.
- The effect of diffusion and susceptibility differences on T2 measurements for fluids in porous media and biological tissues.
- Asymmetric spin‐echo imaging of magnetically inhomogeneous systems: Theory, experiment, and numerical studies
- Mechanisms that contribute to the in vitro relaxation and signal intensity of water in barium sulfate suspensions used as MRI contrast agents.
- Relaxivity-iron calibration in hepatic iron overload: Probing underlying biophysical mechanisms using a Monte Carlo model
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