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…”
Get full text

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

Get full text

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…”
Get full text

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…”
Get full text

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…”
Get more information

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…”
Get more information

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…”
Get more information

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…”
Get more information

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…”
Get more information

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.

Get full text

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…”
Get full text

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…”
Get full text

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

Get full text

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…”
Get full text

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…”
Get more information

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…”
Get full text

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…”
Get more information

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…”
Get more information

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…”
Get full text

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…”
Get more information