A new approach to the NMR imaging of solids

McDonald, P.J.; Attard, J. J.; Taylor, David G.

doi:10.1016/0022-2364(87)90284-8

Cited by 36 publications

(11 citation statements)

References 11 publications

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“…x -s-90 y -s-echoÞ, Hahn echo (90°-s-180°-s-echo) and other echo-based sequences [38][39][40][41] are often used to partially reverse the rapid decay of transverse magnetization in solids. This reversal is possible because the large broadening of NMR spectra in solids is inhomogeneous in nature.…”

Section: The Approachmentioning

confidence: 99%

Solid-state 27Al MRI and NMR thermometry for catalytic applications with conventional (liquids) MRI instrumentation and techniques

Koptyug

Sagdeev

Gerkema

et al. 2005

Journal of Magnetic Resonance

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Section: The Approachmentioning

confidence: 99%

Solid-state 27Al MRI and NMR thermometry for catalytic applications with conventional (liquids) MRI instrumentation and techniques

Koptyug

Sagdeev

Gerkema

et al. 2005

Journal of Magnetic Resonance

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“…In our previous paper [8], we presented a series of profiles of blocks of hexamethylbenzene and conclusively demonstrated that solid echo imaging is indeed feasible. We now present two two-dimensional "F images that demonstrate the ver-homemade parts.…”

Section: Images and Experimentationmentioning

confidence: 92%

“…We have recently described a simple two-pulse imaging experiment employing solid echoes [8]. The solid echo is a transient response to a coherent resonant radio frequency pulse sequence of the form 9Oo-r-~,…”

Section: Introductionmentioning

confidence: 99%

The nuclear magnetic resonance imaging of short t₂ material using solid echoes

Attard

McDonald

1990

Int J Imaging Syst Tech

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“…In order to reduce the imaging time it is common to choose a shorter repetition time TR, generally TR = Tl . When this is the case, and when TE -g TI and TE << T, are still valid, the signal intensity S of the NMR signal is, according to Equation (21). 0.63 @, and is independent of other parameters.…”

Section: Spin Densitymentioning

confidence: 96%

NMR Microscopy—Fundamentals, Limits and Possible Applications

Kühn

1990

Angew. Chem. Int. Ed. Engl.

124

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Alongside the numerous applications of NMR spectroscopy to structural elucidation in analytical chemistry, and to biochemical and morphological studies by NMR tomography, NMR microscopy makes possible a whole new range of applications. These include imaging, the investigation of biological objects such as plants and small animals, and also the observation of microscopic structures and structural changes in polymers and ceramics. NMR spectroscopy can also be conducted combinationally as volume-selective spectroscopy, whereby it is possible to spatially resolve the NMR-specific parameters: spin density e, chemical shifts 6, and the relaxation times TI and T z . The numerous well developed methods available make it possible to study dynamic processes by fast imaging with a temporal resolution in milliseconds. This not only allows the imaging of moving objects without incurring movement artefacts but also the measurement of diffusion constants in isotropic and anisotropic diffusion-in the latter case allowing, in principle, the determination of the complete diffusion tensor. The spatially resolved measurement of the relaxation times yields information on molecular mobility and bonding, e.g. the bonding of water, or other solvents, to polymers, the mobility of fluids in polymers or ceramics, or the three-dimensional evaluation of pore size in porous materials. In biomedicine, NMR microscopy allows the observation of growth on the cellular level, the study of embryos, and the development of therapeutic methods in animal experiments. It can lead to a drastic reduction in the number of animal experiments, and in combination with volume-selective spectroscopy gives valuable information on in-vivo metabolism.

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A new approach to the NMR imaging of solids

Cited by 36 publications

References 11 publications

Solid-state 27Al MRI and NMR thermometry for catalytic applications with conventional (liquids) MRI instrumentation and techniques

Solid-state 27Al MRI and NMR thermometry for catalytic applications with conventional (liquids) MRI instrumentation and techniques

The nuclear magnetic resonance imaging of short t₂ material using solid echoes

NMR Microscopy—Fundamentals, Limits and Possible Applications

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A new approach to the NMR imaging of solids

Cited by 36 publications

References 11 publications

Solid-state 27Al MRI and NMR thermometry for catalytic applications with conventional (liquids) MRI instrumentation and techniques

Solid-state 27Al MRI and NMR thermometry for catalytic applications with conventional (liquids) MRI instrumentation and techniques

The nuclear magnetic resonance imaging of short t2 material using solid echoes

NMR Microscopy—Fundamentals, Limits and Possible Applications

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The nuclear magnetic resonance imaging of short t₂ material using solid echoes