Zobrazeno 1 - 10
of 24
pro vyhledávání: '"David R. Bolton"'
Autor:
Janet E. Lovett, David R. Bolton, Graham Smith, Sabine Van Doorslaer, Hassane El Mkami, Claire L. Motion, Robert I. Hunter, Scott L. Cassidy, P.A.S. Cruickshank
Publikováno v:
Journal of magnetic resonance
C.L.M. acknowledges funding from EPSRC as part of the iMRCDT. The W-band instrument was developed under the U.K. Research Councils Basic Technology Program (grant EP/F039034/1). S.V.D. acknowledges the Research Foundation Flanders (FWO) for financial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee9f3026db1adb0c66d5a3db1ee1d7f3
https://hdl.handle.net/10067/1437120151162165141
https://hdl.handle.net/10067/1437120151162165141
Autor:
David R. Bolton, Johannes McKay, Robert I. Hunter, Richard Wylde, Graham Smith, P.A.S. Cruickshank, Duncan A. Robertson
Publikováno v:
IEEE Transactions on Antennas and Propagation. 61:1714-1721
The corrugated or scalar feedhorn has found many applications in millimeter wave and sub-millimeter wave systems due to its high beam symmetry, relatively low sidelobe levels and strong coupling to the fundamental mode Gaussian beam. However, for app
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36b10c6a9dc43ba7c4584c8eee5d3520
https://doi.org/10.1109/tap.2013.2243097
https://doi.org/10.1109/tap.2013.2243097
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
https://doi.org/10.1049/ic.2016.0017
Autor:
P.A.S. Cruickshank, David R. Bolton, Graham Smith, Olav Schiemann, Robert I. Hunter, Snorri Th. Sigurdsson, Gunnar W. Reginsson
Publikováno v:
Journal of Magnetic Resonance. 216:175-182
A technique that is increasingly being used to determine the structure and conformational flexibility of biomacromolecules is Pulsed Electron–Electron Double Resonance (PELDOR or DEER), an Electron Paramagnetic Resonance (EPR) based technique. At X
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39ea2a63bcb755cab9e99dc96db4f525
https://doi.org/10.1016/j.jmr.2012.01.019
https://doi.org/10.1016/j.jmr.2012.01.019
Publikováno v:
Electron Paramagnetic Resonance. :216-233
The development of pulsed NMR in high fields in the 1970’s opened up vast areas of new science, through accurate molecular structure determination, study of molecular dynamics, MRI and imaging spectroscopy. A huge range of sophisticated pulsed corr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a36dd82e6ae9f01f62cb99a9f415c36
https://doi.org/10.1039/b807958g
https://doi.org/10.1039/b807958g
Publikováno v:
SPIE Proceedings.
Security scanning using sub-millimeter wave 3D imaging radar maps the subsurface structure of subjects, revealing objects hidden under clothing. This requires a wide dynamic range to detect small targets near large ones and centimeter range resolutio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68ee72e307efa1edaff142446de853c4
https://doi.org/10.1117/12.2015774
https://doi.org/10.1117/12.2015774
Autor:
Robert J. C. Middleton, Duncan A. Robertson, Scott L. Cassidy, David R. Bolton, Peter J. Speirs, David G. Macfarlane, Paul N. Marsh, Robert I. Hunter, Graham Smith
Publikováno v:
SPIE Proceedings.
We present a 340 GHz 3D radar imaging test bed with 10 Hz frame rate which enables the investigation of strategies for the detection of concealed threats in high risk public areas. The radar uses a wideband heterodyne scheme and fast-scanning optics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9479e432d496c1cdde4b4cf3d2551253
https://doi.org/10.1117/12.918581
https://doi.org/10.1117/12.918581
Autor:
Hiroki Takahashi, Richard Wylde, Andrew J. Clark, Toshitaka Idehara, Mark E. Newton, Thomas F. Kemp, Eugeny V. Kryukov, Mark E. Smith, Marcella Orwick, Kosuke Kosuga, Ray Dupree, Alana E. C. Collis, Andrew P. Howes, Anthony Watts, David R. Bolton, Robert Day, James F. MacDonald, Graham Smith, Kevin J. Pike
Publikováno v:
Journal of Magnetic Resonance. 215
A Dynamic Nuclear Polarisation (DNP) enhanced solid-state Magic Angle Spinning (MAS) NMR spectrometer operating at 6.7 T is described and demonstrated. The 187 GHz TE 13 fundamental mode of the FU CW VII gyrotron is used as the microwave source for t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc5edff0c39e326401a3de0fbf551b17
http://ora.ox.ac.uk/objects/uuid:4d86eb4d-566e-4412-b50f-6cb71baf2b42
http://ora.ox.ac.uk/objects/uuid:4d86eb4d-566e-4412-b50f-6cb71baf2b42
Autor:
Ray Dupree, Mark E. Smith, Eugeny V. Kryukov, Mark E. Newton, Kevin J. Pike, David R. Bolton, Radoslaw M. Kowalczyk, Andrew P. Howes
Publikováno v:
Physical chemistry chemical physics : PCCP. 12(22)
DNP enhanced (1)H NMR at 143 MHz in toluene is investigated using an NMR spectrometer coupled with a modified EPR spectrometer operating at 94 GHz and TEMPOL as the polarisation agent. A 100 W microwave amplifier was incorporated into the output stag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46f16ae636faecc5fb65d9722589ddb4
https://pubmed.ncbi.nlm.nih.gov/20442952
https://pubmed.ncbi.nlm.nih.gov/20442952
Publikováno v:
Physical chemistry chemical physics : PCCP. 12(22)
In this communication we report initial results using high power pulsed techniques at 94 GHz to perform solid state Dynamic Nuclear Polarisation (DNP) on high volume samples. It is shown that excitation with short pulses, comparable to the pi/2 pulse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f0a2e0f67d31a561ed31364a2c43c0e
https://pubmed.ncbi.nlm.nih.gov/20428574
https://pubmed.ncbi.nlm.nih.gov/20428574