Search Results - "Hutchison, James M.S."

Real-time monitoring of drug-induced changes in the stomach acidity of living rats using improved pH-sensitive nitroxides and low-field EPR techniques by Potapenko, Dmitrii I., Foster, Margaret A., Lurie, David J., Kirilyuk, Igor A., Hutchison, James M.S., Grigor’ev, Igor A., Bagryanskaya, Elena G., Khramtsov, Valery V.

“…New improved pH-sensitive nitroxides were applied for in vivo studies. An increased stability of the probes towards reduction was achieved by the introduction…”
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In vivo detection of a pH-sensitive nitroxide in the rat stomach by low-field ESR-based techniques by Foster, Margaret A., Grigor'ev, Igor A., Lurie, David J., Khramtsov, Valery V., McCallum, Stephen, Panagiotelis, Ioannis, Hutchison, James M.S., Koptioug, Andrei, Nicholson, Ian

“…A study was made of the in vivo detectability of a pH‐sensitive, imidazolidine spin probe, and the efficacy of low‐frequency electron spin resonance…”
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Continuous wave MRI of heterogeneous materials by Fagan, Andrew J, Davies, Gareth R, Hutchison, James M.S, Lurie, David J

“…A prototype continuous wave MRI system operating at 7 T has been used successfully to study a variety of heterogeneous materials exhibiting T 2 relaxation…”
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Electron Spin Relaxation Time Measurements Using Radiofrequency Longitudinally Detected ESR and Application in Oximetry by Panagiotelis, Ioannis, Nicholson, Ian, Hutchison, James M.S.

“…Longitudinally detected ESR (LODESR) involves transverse ESR irradiation with a modulated source and observing oscillations in the spin magnetization parallel…”
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Cryogenic receive coil and low noise preamplifier for MRI at 0.01 T by Resmer, Frank, Seton, Hugh C., Hutchison, James M.S.

“…We have investigated the design and construction of liquid nitrogen cooled surface coils made from stranded (litz) copper wire for low field MRI applications…”
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Design and construction of an actively frequency-switchable RF coil for field-dependent Magnetisation Transfer Contrast MRI with fast field-cycling by Choi, Chang-Hoon, Hutchison, James M.S., Lurie, David J.

“…Magnetisation Transfer Contrast (MTC) is an important MR contrast-generating mechanism to characterise the MR-invisible macromolecular protons using an…”
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Cryogenic receive coil and low noise preamplifier for MRI at 0.01T by Resmer, Frank, Seton, Hugh C, Hutchison, James M S

“…We have investigated the design and construction of liquid nitrogen cooled surface coils made from stranded (litz) copper wire for low field MRI applications…”
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Field-cycled PEDRI imaging of free radicals with detection at 450 mT by Lurie, David J., Davies, Gareth R., Foster, Margaret A., Hutchison, James M.S.

“…This paper describes the design, construction and use of a field-cycled proton–electron double-resonance imaging (FC-PEDRI) system for the detection and…”
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Development of a 3-D, multi-nuclear continuous wave NMR imaging system by Fagan, Andrew J., Davies, Gareth R., Hutchison, James M.S., Glasser, Fredrik P., Lurie, David J.

“…The development of a 3-D, multi-nuclear continuous wave NMR imaging (CW-NMRI) system is described and its imaging capability is demonstrated on a range of…”
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T 1e and T 2e maps derived in vivo from the rat using longitudinally detected electron spin resonance phase imaging: Application to abdominal oxygen mapping by Panagiotelis, Ioannis, Nicholson, Ian, Foster, Margaret A., Hutchison, James M.S.

“…A novel imaging modality is introduced which uses radiofrequency longitudinally detected electron spin resonance (RF‐LODESR). It is capable of providing…”
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Design, construction and use of a large-sample field-cycled PEDRI imager by Lurie, D J, Foster, M A, Yeung, D, Hutchison, J M

“…The design, construction and use of a large-scale field-cycled proton-electron double-resonance imaging (FC-PEDRI) imager is described. The imager is based on…”
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T and T maps derived in vivo from the rat using longitudinally detected electron spin resonance phase imaging: Application to abdominal oxygen mapping by Panagiotelis, Ioannis, Nicholson, Ian, Foster, Margaret A., Hutchison, James M.S.

“…A novel imaging modality is introduced which uses radiofrequency longitudinally detected electron spin resonance (RF‐LODESR). It is capable of providing…”
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Tuned SQUID-MRI System With Resonant Frequency Adjustment by Seton, H.C., Rieger, S.W., Hutchison, J.M.S.

“…We describe a low field, bench-top MRI system for small samples, based on a permanent magnet. Signals are received at 830 kHz using a tuned SQUID magnetometer,…”
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Evaluation of MRI for in vivo monitoring of retinal damage and detachment in experimental ocular inflammation by Pop-Fanea, Laura, Vallespin, Sonia Nielles, Hutchison, James M. S., Forrester, John V., Seton, Hugh C., Foster, Margaret A., Liversidge, Janet

“…Two quantitative methods were developed for investigation of the potential of MRI for in vivo monitoring of retinal damage and detachment in experimental…”
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T1e and T2e maps derived in vivo from the rat using longitudinally detected electron spin resonance phase imaging: Application to abdominal oxygen mapping by PANAGIOTELIS, Ioannis, NICHOLSON, Ian, FOSTER, Margaret A, HUTCHISON, James M. S

“…A novel imaging modality is introduced which uses radiofrequency longitudinally detected electron spin resonance (RF-LODESR). It is capable of providing…”
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Concomitant magnetic field gradients and their effects on imaging at low magnetic field strengths by Norris, D G, Hutchison, J M

“…Low-field NMR imaging systems which use large amplitude field gradient pulses (e.g., in flow velocity encoding) may be subject to the undesirable effects of…”
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The excretion mechanism of the spin label proxyl carboxylic acid (PCA) from the rat monitored by X-band ESR and PEDRI by Seimenis, I, Foster, M A, Lurie, D J, Hutchison, J M, Whiting, P H, Payne, S

“…Proton electron double resonance imaging (PEDRI) was used for monitoring in vivo the distribution, metabolism and, in particular, the excretion mechanism of…”
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Chemically induced analgesic nephropathy in the rat monitored by proton-electron double-resonance imaging (PEDRI) by Seimenis, I, Foster, M A, Lurie, D J, Hutchison, J M, Whiting, P H, Payne, S

“…Proton-electron double-resonance imaging (PEDRI) was used to assess renal function by monitoring the flow of the exogenous nitroxide free radical proxyl…”
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An efficient birdcage resonator at 2.5 MHz using a novel multilayer self-capacitance construction technique by Yeung, D, Hutchison, J M, Lurie, D J

“…The birdcage resonator, well appreciated for its high signal-to-noise ratio and its magnetic field uniformity characteristics, operates efficiently in mid- to…”
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Continuous-wave NMR imaging of solids by Lurie, D J, McCallum, S J, Hutchison, J M, Alecci, M

“…Current pulsed nuclear magnetic resonance methods of imaging samples such as solids with short spin-spin relaxation times are restricted to use with T2 values…”
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