Search Results - "Ngo, F. Q. H."

Chromosomal damage in long-term residents of houses contaminated with cobalt-60 by Chen, FD, Chen, KY, Ngo, FQH, Lin, CH, Tsai, ST, Ling, TS, Whang-Peng, JJK, Edwards, AA, Lloyd, DC, Chen, WL

“…Chromosomal translocations in people who have lived in houses contaminated with radiation were substantially raised compared with controls. Retrospective…”
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Basic radiobiological investigations of fast neutrons by NGO, F. Q. H, SCHROY, C. B, JIA, X.-L, KALVAKOLANU, I, ROBERTS, W. K, BLUE, J. W, ANTUNEZ, A. R, HIGGINS, P. D, TEFFT, M

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Evidence for Differences among the Sectors of Potentially Lethal Damage Expressed by Hypertonic Treatment in Plateau-Phase V79 Cells after Exposure to Neutrons or γ Rays: The Importance of Distinction between α and β-PLD Forms by Iliakis, G., Wright, E., Roberts, W. K., Ngo, F. Q. H.

“…Expotentially growing and plateau-phase V79 cells were exposed to various doses of neutrons and plated either immediately or after treatment in hypertonic…”
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Sequential Exposures of Mammalian Cells to Low- and High-LET Radiations: II. As a Function of Cell-Cycle Stages by Ngo, F. Q. H., Blakely, E. A., Tobias, C. A., Chang, P. Y., Lommel, L.

“…The synergistic effects of low- and high-LET radiations were further studied with partially synchronized Chinese hamster V79 cells. Principally, nearly…”
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Survival responses and potentially lethal damage repair of normal 10T1/2 and its transformed TCL 15 cells after irradiation with 43 MeV proton produced neutrons by Suzuki, S, Ngo, F Q, Koumoundourous, I, Tourdot, K R, Schroy, C B, Roberts, W K

“…Normal 10T1/2 fibroblasts and their transformed counterparts (TCL 15) were used in order to evaluate the RBE, TGF and PLD repair for a therapeutic fast neutron…”
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Comparison of the effects of hydralazine on tumor and normal tissue blood perfusion by MRI by Belfi, C A, Paul, C R, Shan, S, Ngo, F Q

“…The differential effects on blood perfusion of the vasodilator hydralazine (HYD) between tumor and normal muscle have been measured using the dynamic…”
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Determination of changes in tumor blood perfusion after hydralazine treatment by dynamic paramagnetic-enhanced magnetic resonance imaging by Belfi, C A, Ting, L L, Hassenbusch, S J, Tefft, M, Ngo, F Q

“…Magnetic resonance imaging, using the paramagnetic chelate gadopentetate dimeglumine as a perfusing agent, was used to investigate the effect of the vasoactive…”
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The dependence of proton longitudinal and transverse relaxation times on cell-cycle phase: mouse MCA-transformed 10T1/2 TCL-15 cells by Belfi, C A, Medendorp, S V, Ngo, F Q

“…Attempts to determine proton NMR longitudinal relaxation times (T1) as a function of cell-cycle stage using cells synchronized by chemical methods have yielded…”
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The response of the KHT sarcoma to radiotherapy as measured by water proton NMR relaxation times: relationships with tumor volume and water content by Belfi, C A, Medendorp, S V, Ngo, F Q

“…The potential application of magnetic resonance imaging (MRI) to predict tumor response to radiotherapy is investigated. The water proton spin-lattice and…”
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Effects of adenosine deaminase inhibitor 2?-deoxycoformycin on the repair and expression of potentially lethal damage sensitive to?-areaA by Iliakis, G., Ngo, F. Q. H.

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Evidence for reduced capacity for damage accumulation and repair in plateau-phase C3H 10T1/2 cells following multiple-dose irradiation with γ-rays by NGO, F. Q. H, YOUNGMAN, K, SUZUKI, S, KOUMOUNDOUROS, I, ILIAKIS, G

“…The effects of multiple-dose gamma irradiation on the shape of survival curves were studied with mouse C3H 10T1/2 cells maintained in contact-inhibited plateau…”
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Independent Forms of Potentially Lethal Damage Fixed in Plateau-Phase Chinese Hamster Cells by Postirradiation Treatment in Hypertonic Salt Solution or araA by Iliakis, George, Bryant, Peter E., Frank Q. H. Ngo

“…Plateau-phase Chinese V79 hamster cells were sequentially treated after exposure to γ rays in medium made hypertonic by the addition of sodium chloride (370…”
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Therapeutic gain factors for fractionated radiation treatment of spontaneous murine tumors using fast neutrons, photons plus O21 or 3 ATA, or photons plus misonidazole by SUIT, H. D, SEDLACEK, R, SILVER, G, CHUNG-CHENG HSIEH, EPP, E. R, NGO, F. Q. H, ROBERTS, W. K, VERHEY, L

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Repair and fixation of potentially lethal damage (PLD) as demonstrated by delayed plating or incubation with araA in contact inhibited refed plateau-phase C3H mouse embryo 10 T1/2 cells grown in the presence of BrdUrd by Iliakis, G, Wright, E, Ngo, F Q

“…C3H mouse 10 T1/2 cells showing strong inhibition of growth at confluency were grown under daily refeeding in the presence of BrdUrd (from 0 to 1 microM) and…”
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Effects of aphidicolin on the repair and fixation of potentially lethal damage sensitive to beta-araA by Iliakis, G, Ngo, F Q

“…The effects of aphidicolin, a specific inhibitor of DNA polymerase alpha, on the repair and fixation of potentially lethal damage (PLD) sensitive to treatment…”
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Basic Radiobiological Investigations of Fast Neutrons by Ngo, F. Q. H., Schroy, C. B., X.-L. Jia, Kalvakolanu, I., Roberts, W. K., Blue, J. W., Antunez, A. R., Higgins, P. D., Tefft, M.

“…The radiobiological properties of a cyclotron-produced 43-MeV (p → Be) fast-neutron beam relative to γ rays have been investigated using Chinese hamster V79…”
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Effect of induced field inhomogeneity on transverse proton NMR relaxation in tissue water and model systems by Kurland, R J, Ngo, F Q

“…The effect of induced field inhomogeneity (IFI) on transverse NMR relaxation of water protons in tissue has been investigated by examining the field dependence…”
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The effects of a static magnetic field on DNA synthesis and survival of mammalian cells irradiated with fast neutrons by Ngo, F Q, Blue, J W, Roberts, W K

“…The effects of a static magnetic field (0.75 T) on DNA synthesis and survival were examined with Chinese hamster V79 cells in cultures with and without…”
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Evidence for Similarities between Radiation Damage Expressed by β-araA and Damage Involved in the Interaction Effect Observed after Exposure of V79 Cells to Mixed Neutrons and γ Radiation by Iliakis, George, Frank Q. H. Ngo, Roberts, William K., Youngman, Kim

“…Plateau-phase V79 cells were exposed sequentially to fast neutrons and γ rays. A dose-dependent reduction in the shoulder width of the γ-ray survival curve was…”
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Magnetic resonance of brain tumors: considerations of imaging contrast on the basis of relaxation measurements by Ngo, F Q, Bay, J W, Kurland, R J, Weinstein, M A, Hahn, J F, Glassner, B J, Woolley, C A, Dudley, Jr, A W, Ferrario, C M, Meaney, T F

“…Proton spin-lattice and spin-spin relaxation times have been measured in surgically-removed normal CNS tissues and a variety of tumors of the brain. All…”
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