Search Results - "Looper, M.D."

A low altitude trapped proton model for solar minimum conditions based on SAMPEX/PET data by Heynderickx, D., Kruglanski, M., Pierrard, V., Lemaire, J., Looper, M.D., Blake, J.B.

“…We present a low altitude (below about 600 km) trapped proton model for solar minimum conditions (1994-1995), based on measurements made by the Proton/Electron…”
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New high temporal and spatial resolution measurements by SAMPEX of the precipitation of relativistic electrons by Blake, J.B, Looper, M.D, Baker, D.N, Nakamura, R, Klecker, B, Hovestadt, D

“…The precipitation of electrons of 150 keV and 1 MeV in the outer zone have been measured by an instrument aboard the low-altitude, polar-orbiting SAMPEX…”
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Using proton radiation from the moon to search for diurnal variation of regolith hydrogenation by Schwadron, N.A., Wilson, J.K., Jordan, A.P., Looper, M.D., Zeitlin, C., Townsend, L.W., Spence, H.E., Legere, J., Bloser, P., Farrell, W.M., Hurley, D., Petro, N., Stubbs, T.J., Pieters, C.

“…With the help of a new observing technique, we have detected diurnal variations in both lunar albedo protons and incident galactic cosmic rays (GCRs) at the…”
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Signatures of volatiles in the lunar proton albedo by Schwadron, N.A., Wilson, J.K., Looper, M.D., Jordan, A.P., Spence, H.E., Blake, J.B., Case, A.W., Iwata, Y., Kasper, J.C., Farrell, W.M., Lawrence, D.J., Livadiotis, G., Mazur, J., Petro, N., Pieters, C., Robinson, M.S., Smith, S., Townsend, L.W., Zeitlin, C.

“…•We investigate regolith composition with proton albedo.•We find that fluxes of these albedo protons peak near the lunar poles.•The results cannot be due to…”
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Analog and digital single-event effects experiments in space by Crain, S.H., Mazur, J.E., Katz, R.B., Koga, R., Looper, M.D., Lorentzen, K.R.

“…Field-programmable gate arrays (FPGAs) and operational amplifiers are commonly used microelectronics in spaceflight instrumentation. In ground-based testing,…”
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Energetic Charged Particles in the Magnetosphere of Neptune by Stone, E. C., Cummings, A. C., Looper, M. D., Selesnick, R. S., Lal, N., McDonald, F. B., Trainor, J. H., Chenette, D. L.

“…The Voyager 2 cosmic ray system (CRS) measured significant fluxes of energetic [$\gtrsim $ 1 megaelectron volt (MeV)] trapped electrons and protons in the…”
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Multisatellite observations of the outer zone electron variation during the November 3-4, 1993, magnetic storm by Li, Xinlin, Baker, D. N., Temerin, M., Cayton, T. E., Reeves, E. G. D., Christensen, R. A., Blake, J. B., Looper, M. D., Nakamura, R., Kanekal, S. G.

“…The disappearance and reappearance of outer zone energetic electrons during the November 3–4, 1993, magnetic storm is examined utilizing data from the Solar,…”
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Global MHD test particle simulations of solar energetic electron trapping in the Earth's radiation belts by Kress, B.T., Hudson, M.K., Looper, M.D., Lyon, J.G., Goodrich, C.C.

“…Test-particle trajectories are computed in fields from a global MHD magnetospheric model simulation of the 29 October 2003 Storm Commencement to investigate…”
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Mobile Health Technology in Late-Life Mental Illness: a Focused Literature Review by Moussa, Yara, M.D, Mahdanian, Artin A., M.D, Yu, Ching, M.D., M.A, Segal, Marilyn, M.D, Looper, Karl J., M.D., M.Sc, Vahia, Ipsit V., M.D, Rej, Soham, M.D., M.Sc

“…Abstract In an era of rising geriatric mental health care needs worldwide, technological advances can help address care needs in a cost-effective fashion…”
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Maps of hydrogen isotopes at low altitudes in the inner zone from sampex observations by Looper, M.D., Blake, J.B., Mewaldt, R.A.

“…The PET instrument aboard the SAMPEX satellite has provided us with long-term intra-calibrated observations of geomagnetically trapped protons and deuterons in…”
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Sampex observations of energetic hydrogen isotopes in the inner zone by Looper, M.D., Blake, J.B., Cummings, J.R., Mewaldt, R.A.

“…We report observations of geomagnetically-trapped hydrogen isotopes at low altitudes, near the feet of field lines in the inner zone, made with the PET…”
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Low dose rate proton irradiation of quartz crystal resonators by Koga, R., Looper, M.D., Pinkerton, S.D., Stapor, W.J., McDonald, P.T.

“…Quartz crystal resonators were systematically irradiated with 65 MeV protons to characterize low dose rate radiation-induced degradation. Results indicate: (1)…”
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SAMPEX: NASA's first small explorer satellite by Mason, G.M., Baker, D.N., Blake, J.B., Boughner, R.E., Callis, L.B., Cummings, A.C., Cummings, J.R., Greenspan, M.E., Hamilton, D.C., Hovestadt, D., Kanekal, S.G., Klecker, B., Leske, R.L., Li, X., Looper, M.D., Mazur, J.E., Mewaldt, R.A., Oetliker, M., Scholer, M., Selesnick, R.S., Stone, E.C., von Rosenvinge, T.T., Williams, D.L.

“…The SAMPEX satellite, an international collaboration with Germany, is the first in a series of small explorer missions that NASA began in 1989 to perform…”
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Acute Tamoxifen-Induced Depression and Its Prevention With Venlafaxine by Bourque, François, M.D, Karama, Sherif, M.D, Looper, Karl, M.D, Cohen, Victor, M.D

“…Background Tamoxifen is a first-generation selective estrogen-receptor modulator that has been shown to decrease recurrence and prolong survival among…”
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Potential Medical and Surgical Complications of Serotonergic Antidepressant Medications by Looper, Karl J., M.D

“…Serotonergic antidepressants are the most widely used group of antidepressant medications. Although generally considered to have a favorable adverse-effect…”
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Health Canada Warning on Citalopram and Escitalopram — Its Effects on Prescribing in Consultation-Liaison Psychiatry by Do, André, M.D, Noohi, Saeid, B.Sc, Elie, Dominique, M.D., M.Sc, Mahdanian, Artin A., M.D, Yu, Ching, M.D., M.A, Segal, Marilyn, M.D, Looper, Karl J., M.D., M.Sc, Rej, Soham, M.D., M.Sc

“…Background Reports have suggested that citalopram and escitalopram may prolong the QTc interval, leading Health Canada to issue a warning to limit their…”
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Are Serotonergic Antidepressants Associated With A Lower Risk of Cerebrovascular Accidents? by Mahdanian, Artin Abolfazl, M.D, Moussa, Yara, M.D, Elie, Dominique, M.D, M.Sc, Yu, Ching, M.D., M.A, Segal, Marilyn, M.D, Looper, Karl J., M.D., M.Sc, Rej, Soham, M.D., M.Sc

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