Search Results - "Mountford, P J"

Near surface photon energy spectra outside a 6 MV field edge by Edwards, C R, Mountford, P J

“…The purpose of this study was to investigate the difference between a 6 MV linear accelerator x-ray energy spectrum outside the field edge near a phantom…”
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The low energy X-ray response of the LiF:Mg:Cu:P thermoluminescent dosemeter : a comparison with LiF:Mg:Ti by EDWARDS, C. R, MOUNTFORD, P. J, GREEN, S, PALETHORPE, J. E, MOLONEY, A. J

“…LiF:Mg:Cu:P thermoluminescent dosemeters (TLD) can be used for the same X-ray dosimetry applications as LiF:Mg:Ti, with each type having the disadvantage of a…”
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Patient dose optimization in plain radiography based on standard exposure factors by GEORGE, J, EATOUGH, J. P, MOUNTFORD, P. J, KOLLER, C. J, OXTOBY, J, FRAIN, G

“…A computational technique for assessing patient dose in plain radiography is described allowing a large number of examinations to be assessed and enabling dose…”
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An update survey of UK in vivo radiotherapy dosimetry practice by EDWARDS, C. R, HAMER, E, MOUNTFORD, P. J, MOLONEY, A. J

“…A questionnaire was distributed in 2004 to 59 radiotherapy physics departments in the UK to determine whether in vivo dosimetry practice had changed since a…”
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A survey of MRI quality assurance programmes by KOLLER, C. J, EATOUGH, J. P, MOUNTFORD, P. J, FRAIN, G

“…There are currently no national guidelines on appropriate quality assurance (QA) test frequencies for MRI equipment in clinical use. From a random selection of…”
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Patient radiation doses during invasive cardiac procedures categorised by clinical code by PAISLEY, E. M, EATOUGH, J. P, MOUNTFORD, P. J, FRAIN, G, PICKERILL, J

“…Patient radiation doses delivered during invasive fluoroscopic cardiology procedures at the University Hospital of North Staffordshire during a 3 year period…”
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The response of a MOSFET, p-type semiconductor and LiF TLD to quasi-monoenergetic x-rays by Edwards, C R, Green, S, Palethorpe, J E, Mountford, P J

“…A metal oxide semiconductor field effect transistor (MOSFET), p-type semiconductor and a TLD can all be used for x-ray dosimetry, with each system having the…”
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Risk assessment of the nuclear medicine patient by Mountford, P J

“…Two types of risk are identified following the administration of a radiopharmaceutical to a patient: the risk to the patient, and the risk to critical groups…”
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Radiation exposure of the families of outpatients treated with radioiodine (iodine-131) for hyperthyroidism by Barrington, S F, O'Doherty, M J, Kettle, A G, Thomson, W H, Mountford, P J, Burrell, D N, Farrell, R J, Batchelor, S, Seed, P, Harding, L K

“…Patients who receive radioiodine (iodine-131) treatment for hyperthyroidism (195-800 MBq) emit radiation and represent a potential hazard to other individuals…”
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Characteristics of in vivo radiotherapy dosimetry by Edwards, C R, Mountford, P J

“…The recent discussion and debate about the use of in vivo dosimetry as a routine component of the radiotherapy treatment process has not included the…”
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Performance assessment of the Gulmay D3300 kilovoltage X-ray therapy unit by Evans, P A, Moloney, A J, Mountford, P J

“…A performance assessment was made of the Gulmay D3300 kilovoltage (combined superficial and orthovoltage) X-ray therapy unit. Results are presented for the key…”
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Radiation, conception and pregnancy by Mountford, P J

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Exposure of critical groups to nuclear medicine patients by Mountford, P.J., O'Doherty, M.J.

“…When a radiopharmaceutical has been administered to a patient, assessment of the risk to critical groups from emitted photon radiation is by measurement of the…”
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Fetal dose estimates and the ICRP abdominal dose limit for occupational exposure of pregnant staff to technetium-99m and iodine-131 patients by Mountford, P J, Steele, H R

“…The International Commission on Radiological Protection has recently recommended a supplementary dose limit of 2 mSv to the abdominal surface of a pregnant…”
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Effective dose to children and adolescents from radiopharmaceuticals by Gadd, R, Mountford, P J, Oxtoby, J W

“…Published values of tissue weighting factors for adolescents and children derived from the life-span study of the atomic bomb survivors have been used to…”
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A survey of current in vivo radiotherapy dosimetry practice by Edwards, C R, Grieveson, M H, Mountford, P J, Rolfe, P

“…A questionnaire was sent out to 57 radiotherapy physics departments in the United Kingdom to determine the type of dosemeters used for in vivo measurements…”
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Effect of electron contamination of a 6 MV x-ray beam on near surface diode dosimetry by Edwards, C R, Mountford, P J, Moloney, A J

“…In critical organ in vivo x-ray dosimetry, the relative contaminating electron contribution to the total dose and total detector response outside the field…”
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The X-ray and electron benchmarking of the Monte Carlo codes MCNP-4A and 4B on different computers by Edwards, C R, Mountford, P J

“…MCNP (Monte Carlo N-Particle) is a Monte Carlo transport code which has been of widespread use in modelling the dosimetry of ionizing radiations. The most…”
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Recommendations of the International Commission on Radiological Protection (ICRP) 1990 by Mountford, P J, Temperton, D H

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An enhanced sensitivity K-shell x-ray fluorescence technique for tibial lead determination by Green, S, Bradley, D A, Palethorpe, J E, Mearman, D, Chettle, D R, Lewis, A D, Mountford, P J, Morgan, W D

“…A novel irradiation-detection geometry capable of enhancing sensitivity for the measurement of tibial lead content by K-shell x-ray fluorescence (XRF) is…”
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