Search Results - "Haskell, E H"

Variation of long-lived free radicals responsible for the EPR native signal in bone of aged or diseased human females and ovariectomized adult rats by Kenner, G.H., Brik, A.B., Liu, G., Haskell, E.H., Hayes, R.B., Knight, J.A., Vajda, E.G., Miller, S.C., Jee, W.S.S., Barrus, J.K.

“…The purpose of this study was to gain insights into the variations seen in the electron paramagnetic resonance (EPR) spectroscopy of the native signals of…”
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Electron Paramagnetic Resonance Techniques and Space Biodosimetry by Haskell, E. H., Hayes, R. B., Kenner, G. H., Sholom, S. V., Chumak, V. I.

“…This paper was presented at a workshop addressing the potential of biodosimetry techniques for use in the interplanetary space program. Some of the concerns…”
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Achievable Precision and Accuracy in EPR Dosimetry of Tooth Enamel by Haskell, E.H., Hayes, R.B., Kenner, G.H., Wieser, A., Aragno, D., Fattibene, P., Onori, S.

“…The utility of combining various methodologies is examined to remove systematically or correct for the major instrumental effects which introduce uncertainties…”
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Influence of crushing and additive irradiation procedures on EPR dosimetry of tooth enamel by Sholom, S.V., Haskell, E.H., Hayes, R.B., Chumak, V.V., Kenner, G.H.

“…The effect of the crushing and additive dose procedures used in EPR dosimetry of enamel on EPR signals with g-factors of 2.0045 and g ⊥=2.0018, g ||=1.9975 was…”
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A High Sensitivity EPR Technique for Alanine Dosimetry by Haskell, E.H., Hayes, R.B., Kenner (INVITED), G.H.

“…Uncertainties of ± 5 mGy were achieved in the measurement of alanine dosemeters using optimised EPR parameters, instrumentation, spectral manipulation and…”
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An EPR Dosimetry Method For Rapid Scanning of Children Following A Radiation Accident Using Deciduous Teeth by Haskell, E H, Hayes, R B, Kenner, G H

“…Electron paramagnetic resonance dosimetry may be applied to whole deciduous teeth of children. This makes it feasible to make direct measurement of absorbed…”
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FIRST INTERNATIONAL INTERCOMPARISON OF LUMINESCENCE TECHNIQUES USING SAMPLES FROM THE TECHA RIVER VALLEY by Göksu, H Y, Degteva, M O, Bougrov, G, Meckbach, R, Haskell, E H, Bailiff, I K, Bøtter-Jensen, L, Jungner, H, Jacob, P

“…Bricks collected from a contaminated village (Muslyumovo) of the lower Techa river valley, Southern Urals, Russia, were measured using thermoluminescence and…”
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Emerging technological bases for retrospective dosimetry by Straume, T, Anspaugh, L. R, Lucas, J. N, Marchetti, A. A, Haskell, E. H, Likhtarev, I. A, Chumak, V. V, Romanyukha, A. A, Khrouch, V. T, Gavrilin, Y. U. I, Minenko, V. F

“…In this article we discuss examples of challenging problems in retrospective dosimetry and describe some promising solutions. The ability to make measurements…”
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Improved accuracy of EPR dosimetry using a constant rotation goniometer by Haskell, E.H., Hayes, R.B., Kenner, G.H.

“…Grains of sufficiently small diameter will theoretically result in an isotropic EPR response which is independent of sample orientation. In practice, use of…”
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Application of optically stimulated luminescence to the dosimetry of recent radiation events involving low total absorbed doses by Godfrey-Smith, D I, Haskell, E H

“…We determined the suitability of optically stimulated recombination luminescence in quartz for low-level dosimetry of recent events such as radiation…”
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EPR Dosimetry of Pacific Walrus (Odobenus Rosmarus Divergens) Teeth by Hayes, R.B., Kenner, G.H., Haskell, E.H.

“…The potential for EPR dosimetry using walrus tooth cementum was examined. Using standard peak to peak methods, individual measurement errors of the dosimetric…”
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Thermoluminescence measurements of gamma-ray doses attributable to fallout from the Nevada test site using building bricks as natural dosimeters by Haskell, E H, Bailiff, I K, Kenner, G H, Kaipa, P L, Wrenn, M E

“…During the 1950's, the U.S. Government conducted an intensive atmospheric nuclear testing program in Nevada. Fallout from these atmospheric tests was measured…”
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EPR-dosimetry with carious teeth by Sholom, S.V., Haskell, E.H., Hayes, R.B., Chumak, V.V., Kenner, G.H.

“…The effect of caries in EPR dosimetry of tooth enamel (in the dose range of 0–1 Gy) was investigated. The enamel of each tooth was divided into carious,…”
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Geographic Variations in the EPR Spectrum of Tooth Enamel by Romanyukha, A.A., Hayes, R.B., Haskell, E.H., Kenner, G.H.

“…The presence of stable radiation-induced radicals in the mineral component of tooth enamel allows use of this material as a biological dosemeter. Estimation of…”
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Properties of light induced EPR signals in enamel and their possible interference with gamma-induced signals by Sholom, S.V, Haskell, E.H, Hayes, R.B, Chumak, V.V, Kenner, G.H

“…Exposure of tooth enamel to natural and artificial UV light results in stable EPR signals with g-factors of 1.9985, 2.0018, 2.0045, 2.0052 and 2.0110. The…”
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A mathematical approach to optimal selection of dose values in the additive dose method of EPR dosimetry by Hayes, R.B., Haskell, E.H., Kenner, G.H.

“…Additive dose methods commonly used in electron paramagnetic resonance (EPR) dosimetry are time consuming and labor intensive. We have developed a mathematical…”
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Electron paramagnetic resonance dosimetry of dentine following removal of organic material by Haskell, E H, Kenner, G H, Hayes, R B

“…The feasibility of using dentine from surgically extracted human teeth as in vivo dosimeters was investigated. The organic fraction of human dentine was…”
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EPR properties of synthetic apatites, deorganified dentine, and enamel by Kenner, G H, Haskell, E H, Hayes, R B, Baig, A, Higuchi, W I

“…Electron paramagnetic resonance spectroscopy (EPR) was used to study synthetic hydroxyapatite and approximately 1, 2, and 6% synthetic carbonated apatites,…”
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Metabolism and thermoregulation during stages of sleep in humans exposed to heat and cold by Haskell, E H, Palca, J W, Walker, J M, Berger, R J, Heller, H C

“…Electrophysiological stages of sleep, oxygen consumption (VO2), and skin (Tsk) and rectal (Tre) temperatures were recorded from six virtually naked male…”
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Preparation-induced errors in EPR dosimetry of enamel: Pre- and post-crushing sensitivity by Haskell, E.H., Hayes, R.B., Kenner, G.H.

“…Polyakov et al. (1995) showed errors in dose estimation as a function of grain size for enamel grains given beta irradiation after crushing. We tested the…”
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