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Akademický článek

High-sensitivity Gd3+–Gd3+ EPR distance measurements that eliminate artefacts seen at short distances

Autor: H. EL Mkami, R. I. Hunter, P. A. S. Cruickshank, M. J. Taylor, J. E. Lovett, A. Feintuch, M. Qi, A. Godt, G. M. Smith

Publikováno v: Magnetic Resonance, Vol 1, Pp 301-313 (2020)

Gadolinium complexes are attracting increasing attention as spin labels for EPR dipolar distance measurements in biomolecules and particularly for in-cell measurements. It has been shown that flip-flop transitions within the central transition of the

Externí odkaz: https://doaj.org/article/b5bca8f2a64b427fa87307444adf1277

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Akademický článek

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Akademický článek

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Instrumentation for high sensitivity, high power, millimetre wave, electron paramagnetic resonance

Autor: Robert I. Hunter, David R. Bolton, P.A.S. Cruickshank, Graham Smith, Richard Wylde, Claire L. Motion, Duncan A. Robertson, Johannes McKay, H. El Mkami

Publikováno v: IET Colloquium on Millimetre-Wave and Terahertz Engineering [amp ] Technology 2016.

Pulsed Electron Paramagnetic Resonance (EPR) is now a standard magnetic resonance characterisation technique used in the analysis of paramagnetic defects, transition metal complexes and organic radicals in materials and biomolecular systems. Pulsed E

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49fa9d6355ae43c7bf7893b5b4fec0fa
https://doi.org/10.1049/ic.2016.0017

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EPR and magnetic studies of a novel copper metal organic framework (STAM-I)

Autor: M.I.H. Mohideen, Russell E. Morris, O. Scheimann, C. Pal, Alistair C. McKinlay, H. El Mkami

Publikováno v: Chemical Physics Letters. 544:17-21

The magnetic interaction between dinuclear copper (II) in a new copper carboxylate compound, STAM-1, has been investigated by means of EPR and SQUID measurements. The powder EPR spectra, measured at 9.80 and 34.5 GHz and at different temperatures, sh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::90c7256b7ff067415660ca5e858c423d
https://doi.org/10.1016/j.cplett.2012.06.012

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EPR on Medically Relevant NO Adsorbed to Zn-LTA

Autor: David J. Keeble, H. El Mkami, Olav Schiemann, Russell E. Morris, Paul S. Wheatley, C. Pal

Publikováno v: Applied Magnetic Resonance. 37:619-627

For medical purposes, materials are required that store and target specifically deliver exogenous nitric oxide (NO). Partially zinc-exchanged Na-LTA (Linde type A) zeolite (Zn-LTA) has high potential in this respect due to its non-toxicity and adsorp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e1682771dcacc9bcc9605894c9742d4
https://doi.org/10.1007/s00723-009-0071-x

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Kinetic study of UV-irradiated amorphous sulfur by EPR spectroscopy

Autor: H. El Mkami, Graham Smith

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 229:392-396

Electron paramagnetic resonance (EPR) spectroscopy is used to investigate UV-irradiation damage in amorphous sulfur by examining post-irradiation kinetics as a function of UV-exposure time. The kinetic study is described by first-order concurrent rea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b530dcf2a9e043a9ae47f98f911833f
https://doi.org/10.1016/j.nimb.2004.12.127

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EPR investigation of two types of Syrian's natural zeolites

Autor: Graham Smith, S.S. Soulayman, H. El Mkami

Publikováno v: Journal of Physics and Chemistry of Solids. 65:1779-1783

Two different samples of natural zeolite have been investigated by X-band electron paramagnetic resonance (EPR) spectroscopy. The observed EPR spectra are typical to those observed for Fe 3+ and Mn 2+ ions. The lines, related to the iron, are observe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74dbf4c303b6686b1057f26349e95acc
https://doi.org/10.1016/j.jpcs.2004.06.003

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Paramagnetic defects in hydrogenated amorphous carbon powders

Autor: David J. Keeble, John Robertson, H. El Mkami, Sandra E. Rodil, K M Robb, Graham Smith

Publikováno v: Journal of Physics: Condensed Matter. 15:7463-7468

Hydrogenated amorphous carbon materials typically contain high concentrations of paramagnetic defects, the density of which can be quantified by electron paramagnetic resonance (EPR). In this work EPR measurements near 9.5, 94, and 189 GHz have been

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a17b9024bd7b8f17b8a7f5dedeeb8519
https://doi.org/10.1088/0953-8984/15/44/002

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