Search Results - "Aldrich, J E"

Chronic infiltrative lung disease: comparison of diagnostic accuracies of radiography and low- and conventional-dose thin-section CT by Lee, K S, Primack, S L, Staples, C A, Mayo, J R, Aldrich, J E, Müller, N L

“…To compare the accuracy of low-dose thin-section computed tomography (CT), chest radiography, and conventional-dose thin-section CT in diagnosis of chronic…”
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Dental enamel as an in vivo radiation dosimeter by Pass, B, Aldrich, J E

“…The determination of the radiation exposure history of the population has become increasingly important in the study of the effects of low-level radiation. The…”
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Determining radiation exposure from nuclear accidents and atomic tests using dental enamel by Aldrich, J E, Pass, B

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Technical note: an integrated phantom for HDR quality control by Aldrich, J E, Samant, S S

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Tumour blood flow: measurement and manipulation for therapeutic gain by Sagar, S M, Klassen, G A, Barclay, K D, Aldrich, J E

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Changes in the paramagnetic centres in irradiated and heated dental enamel studied using electron paramagnetic resonance by Aldrich, J E, Pass, B, Mailer, C

“…The EPR signals in dental enamel produced by radiation and by heat were studied. The inherent background signal at g = 2.005, and a radiation-produced signal…”
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High Radiation Doses from Radiotherapy Measured by Electron Spin Resonance in Dental Enamel by Pass, B., Wood, R.E., Liu, F-F., McLean, M., Aldrich, J.E.

“…For radiotherapy, an error in the complicated treatment planning or treatment procedure is a possibility, however remote. Thus, in the present study electron…”
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Access control systems for radiotherapy treatment rooms by Aldrich, J E, Berkey, J

“…The role of the time-delay or start-up switch as a safety feature in radiotherapy treatment rooms is discussed. A simple optical system which can be…”
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A video-based patient contour acquisition system for the design of radiotherapy compensators by Andrew, J W, Aldrich, J E, Hale, M E, Berry, J A

“…Recent advances in computer and video technology have enabled significant advances in the field of surface topography measurement. This paper will describe a…”
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Self-adhesive lead for compensator production and radiation shielding by Aldrich, J E, Andrew, J W

“…Sheet lead is a commonly used material for the manufacture of compensators and for radiation shielding. However, it suffers from such problems as nonuniformity…”
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Radiation protection aspects of a new high-energy linear accelerator by O'Brien, P, Michaels, H B, Gillies, B, Aldrich, J E, Andrew, J W

“…The Therac-25 is a new 25-MeV linear accelerator manufactured by Atomic Energy of Canada, Ltd. The first two units have recently been installed in Toronto,…”
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An analysis of paramagnetic centers in irradiated dentin using electron spin resonance by PASS, B, ALDRICH, J. E, SCALLION, P. L

“…The ESR spectra produced in irradiated dentin have been studied over a range of incident radiation energies from 50 kVp to 25 MVp. The behavior of the dentin…”
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Radioactive gold ring dermatitis by Miller, R A, Aldrich, J E

“…A superficial squamous cell carcinoma developed in a woman who wore a radioactive gold ring for more than 30 years. Only part of the ring was radioactive…”
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Development of a hospital radiation emergency protocol by Aldrich, J E

“…Many hospitals are faced with the development of radiation emergency plans. Details are given of the relevant literature and audio-visual materials to assist…”
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Characteristics of electron beams from a new 25-MeV linear accelerator by O'Brien, P, Michaels, H B, Aldrich, J E, Andrew, J W

“…Clinically useful electron fields are produced on the Atomic Energy of Canada, Limited Therac 25 linear accelerator by computer-controlled scanning of the…”
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An improved optical backpointer for isocentric radiotherapy machines by Aldrich, J E

“…A simple optical backpointer has been designed as a retrofit for isocentric radiotherapy machines. Two lasers are used to project two fan beams of light which…”
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The design of shielding windows using lead glass, lead acrylic, and plate glass by Aldrich, J E, Andrew, J W

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Selective Free Radical Reactions with Proteins and Enzymes: Reactions of Inorganic Radical Anions with Amino Acids by Adams, G. E., Aldrich, J. E., Bisby, R. H., Cundall, R. B., Redpath, J. L., Willson, R. L.

“…The radical-anions $({\rm CNS})_{2}{}^{-},{\rm Br}_{2}{}^{-},{\rm Cl}_{2}{}^{-},{\rm I}_{2}{}^{-}$, and ${\rm CO}_{3}{}^{-}$ are selective in their reaction…”
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Characteristics of the photon beam from a new 25-MV linear accelerator by Aldrich, J E, Andrew, J W, Michaels, H B, O'Brien, P F

“…The Therac 25 is a relatively compact therapy machine, the heart of which is a double-pass electron linear accelerator. The electron beam is injected into the…”
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Identification of Essential Residues in Lysozyme: a Pulse Radiolysis Method by ALDRICH, J. E, CUNDALL, R. B, ADAMS, G. E, WILLSON, R. L

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