Early History of Magnetic Resonance

Ramsey, Norman F.

doi:10.1007/s000160050012

Cited by 8 publications

(10 citation statements)

References 46 publications

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“…24 All the developments made in the magnetic resonance technique in this era have been elaborated in a review by Ramsay, which describes its journey (right from its inception to its developments). 25 Additionally, a brief historical Chapter 1. Introduction account of four other Nobel Laureates in the field of magnetic resonance clearly shows the track of the discovery, development, and applications of NMR spectroscopy.…”

Section: Introductionmentioning

confidence: 99%

Probing Interactions of N-Donor Molecules with Open Metal Sites within Paramagnetic Cr-MIL-101: A Solid-State NMR Spectroscopic and Density Functional Theory Study

et al. 2018

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Understanding host-guest interactions is one of the key requirements for adjusting properties in metal-organic frameworks (MOFs). In particular, systems with coordinatively unsaturated Lewis acidic metal sites feature highly selective adsorption processes. This is attributed to strong interactions with Lewis basic guest molecules. Here we show that a combination of C MAS NMR spectroscopy with state-of-the-art density functional theory (DFT) calculations allows one to unravel the interactions of water, 2-aminopyridine, 3-aminopyridine, and diethylamine with the open metal sites in Cr-MIL-101. TheC MAS NMR spectra, obtained with ultrafast magic-angle spinning, are well resolved, with resonances distributed over 1000 ppm. They present a clear signature for each guest at the open metal sites. Based on competition experiments this leads to the following binding preference: water < diethylamine ≈ 2-aminopyridine < 3-aminopyridine. Assignments were done by exploiting distance sum relations derived from spin-lattice relaxation data and C{H} REDOR spectral editing. The experimental data were used to validate NMR shifts computed for the Cr-MIL-101 derivatives, which contain CrO clusters with magnetically coupled metal centers. While both approaches provide an unequivocal assignment and the arrangement of the guests at the open metal sites, the NMR data offer additional information about the guest and framework dynamics. We expect that our strategy has the potential for probing the binding situation of adsorbate mixtures at the open metal sites of MOFs in general and thus accesses the microscopic interaction mechanisms for this important material class, which is essential for deriving structure-property relationships.

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Section: Introductionmentioning

confidence: 99%

Probing Interactions of N-Donor Molecules with Open Metal Sites within Paramagnetic Cr-MIL-101: A Solid-State NMR Spectroscopic and Density Functional Theory Study

et al. 2018

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“…The phenomenon of nuclear magnetic resonance (NMR), the occurrence of which had been predicted and calculated by early physicists including the Irishman Joseph Larmor was first observed in the late 1930s by Isidor Rabi at Columbia University 3–5 . Further research in this field was interrupted by the outbreak of the Second World War.…”

Section: History Of Magnetic Resonancementioning

confidence: 99%

“…Unknown to them the first successful paramagnetic resonance experiments in condensed matter had been performed in the USSR by E. Zavoisky who in his PhD. thesis in 1944 observed paramagnetic resonance with CrCl 3 4 . Observations by Gutowsky and McCall 8 led to the discovery of spin‐spin coupling by Purcell's team at Harvard 9 .…”

Section: History Of Magnetic Resonancementioning

confidence: 99%

Magnetic Resonance in Surgical Oncology: I – On the Origin of the Spectrum

Gluch

2005

ANZ Journal of Surgery

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The discovery of the phenomenon of nuclear magnetic resonance occurred just 60 years ago. The profusion of subsequent discoveries in this domain has led to the development of magnetic resonance spectroscopy - refined as an analytical tool to discern molecular structure - and magnetic resonance imaging, a cornerstone of modern radiology. Observable alterations in cellular structure and metabolism can be discerned using the non-destructive chemical analysis of magnetic resonance spectroscopy in vitro or in vivo. Differences may thus be discerned between malignant and normal tissues.

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“…Since then, NMR has been used for all kinds of materials such as solids, liquids, and gases for kinetic and structural studies. It is worth noting that NMR investigations led to six Nobel prizes in this field [1][2][3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Magnetic Resonance Spectroscopy and its Clinical Applications: A Review

Faghihi

Zeinali-Rafsanjani

Mosleh-Shirazi

et al. 2017

Journal of Medical Imaging and Radiation Sciences

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In vivo NMR spectroscopy is known as magnetic resonance spectroscopy (MRS). MRS has been applied as both a research and a clinical tool in order to detect visible or nonvisible abnormalities. The adaptability of MRS allows a technique that can probe a wide variety of metabolic uses across different tissues. Although MRS is mostly applied for brain tissue, it can be used for detection, localization, staging, tumour aggressiveness evaluation, and tumour response assessment of breast, prostate, hepatic, and other cancers. In this article, the medical applications of MRS in the brain, including tumours, neural and psychiatric disorder studies, breast, prostate, hepatic, gastrointestinal, and genitourinary investigations have been reviewed. R ESUM E La spectroscopie RMN in vivo est appel ee spectroscopie par r esonance magn etique (SRM) en clinique. La SRM a et e utilis ee autant comme outil de recherche que comme outil clinique pour la d etection des anomalies visibles ou non. L'adaptabilit e de la SRM en fait une technique qui peut examiner une grande vari et e d'utilisations m etaboliques dans diff erents tissus. Bien que la SRM soit principalement utilis ee pour les tissus c er ebraux, elle peutêtre utilis ee pour la d etection, la localisation, la d etermination du stade, l' evaluation du caract ere agressif d'une tumeur et l' evaluation de la r eponse tumorale dans le cancer du sein, de la prostate, du foie et d'autres organes. Cette etude, apr es un bref examen des fondements de la SRM, passe en revue les applications m edicales de la SRM dans le cerveau, incluant les tumeurs, les applications m edicales de la SRM, incluant les cancers et l' etude des troubles neurologiques et psychiatriques, ainsi que les examens du sein, de la prostate, du foie et des syst emes gastro-intestinal et g enito-urinaire.

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Early History of Magnetic Resonance

Cited by 8 publications

References 46 publications

Probing Interactions of N-Donor Molecules with Open Metal Sites within Paramagnetic Cr-MIL-101: A Solid-State NMR Spectroscopic and Density Functional Theory Study

Probing Interactions of N-Donor Molecules with Open Metal Sites within Paramagnetic Cr-MIL-101: A Solid-State NMR Spectroscopic and Density Functional Theory Study

Magnetic Resonance in Surgical Oncology: I – On the Origin of the Spectrum

Magnetic Resonance Spectroscopy and its Clinical Applications: A Review

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