Search Results - "HALPERN, H. J"

The solution conformation of triarylmethyl radicals by Bowman, M.K., Mailer, C., Halpern, H.J.

“…Hyperfine coupling tensors to 1H, 2H, and natural abundance 13C were measured using X-band pulsed electron nuclear double resonance (ENDOR) spectroscopy for…”
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Hallucinogens on the Internet: A Vast New Source of Underground Drug Information by Halpern, John H., Pope, Harrison G.

“…OBJECTIVE: The illicit use of hallucinogens is reemerging in the United States, especially among well-educated adults and teenagers. These same groups are also…”
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Oxymetry Deep in Tissues With Low-Frequency Electron Paramagnetic Resonance by Halpern, Howard J., Yu, Cheng, Peric, Miroslav, Barth, Eugene, Grdina, David J., Teicher, Beverly A.

“…We have measured the oxygen concentration in the body water of murine FSa and NFSa fibrosarcomas using a new method for quantitative oxygen concentration…”
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Do hallucinogens cause residual neuropsychological toxicity? by Halpern, John H, Pope, Harrison G

“…We collected and reviewed studies in which neuropsychological tests were administered to users of LSD or other hallucinogens. Interpretation of the studies is…”
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New Spin Probes: Tri- and Hexacationic Derivatives of Stable Tetrathiatriarylmethyl Radicals by Trukhin, D. V., Rogozhnikova, O. Yu, Troitskaya, T. I., Kuzhelev, A. A., Amosov, E. V., Halpern, H. J., Koval’, V. V., Tormyshev, V. M.

“…The reaction of Finland trityl with tertiary aliphatic alcohols containing a terminal tertiary amino group, followed by quaternization of the amino groups,…”
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Diminished aqueous microviscosity of tumors in murine models measured with in vivo radiofrequency electron paramagnetic resonance by HALPERN, H. J, CHANDRAMOULI, G. V. R, BARTH, E. D, CHENG YU, PERIC, M, GRDINA, D. J, TEICHER, B. A

“…Using very low frequency in vivo electron paramagnetic resonance (EPR), we have compared, for the first time, the average microviscosity of the total aqueous…”
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SU‐C‐144‐07: Maximally Spaced Projection Sequencing in Electron Paramagnetic Resonance Imaging by Redler, G, Epel, B, Halpern, HJ

“…Purpose: Electron paramagnetic resonance imaging (EPRI) is a projection based imaging modality that noninvasively provides 3D images of absolute oxygen…”
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Psychological and Cognitive Effects of Long-Term Peyote Use Among Native Americans by Halpern, John H., Sherwood, Andrea R., Hudson, James I., Yurgelun-Todd, Deborah, Pope, Harrison G.

“…Hallucinogens are widely used, both by drug abusers and by peoples of traditional cultures who ingest these substances for religious or healing purposes…”
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In situ Detection, by Spin Trapping, of Hydroxyl Radical Markers Produced From Ionizing Radiation in the Tumor of a Living Mouse by Halpern, Howard J., Yu, Cheng, Barth, Eugene, Peric, Miroslav, Rosen, Gerald M.

“…Hydroxyl radicals are thought to be responsible for the toxicity associated with ionizing radiation in tissues. Measurements of hydroxyl radicals generated by…”
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Hallucinogen persisting perception disorder: what do we know after 50 years? by Halpern, John H, Pope, Harrison G

“…‘Flashbacks’ following use of hallucinogenic drugs have been reported for decades; they are recognized in DSM-IV as ‘Hallucinogen Persisting Perception…”
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Importance of psychiatric confounding in non-randomized studies of heavy ecstasy users by Krebs, T S, Johansen, P-Ø, Jerome, L, Halpern, J H

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Optimization of radical radiotherapy with beam's eye view techniques for non-small cell lung cancer by Vijayakumar, S, Myrianthopoulos, L C, Rosenberg, I, Halpern, H J, Low, N, Chen, G T

“…The presence of vital and sensitive organs such as the spinal cord, heart, and lungs makes curative radiotherapy of non-small cell lung cancer difficult to…”
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Residual neuropsychological effects of illicit 3,4-methylenedioxymethamphetamine (MDMA) in individuals with minimal exposure to other drugs by Halpern, John H, Pope, Harrison G, Sherwood, Andrea R, Barry, Steven, Hudson, James I, Yurgelun-Todd, Deborah

“…Background: A substantial literature suggests that users of illicit 3,4-methylenedioxymethamphetamine (MDMA or “ecstasy”) display residual cognitive deficits…”
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Beam's eye view volumetrics: an aid in rapid treatment plan development and evaluation by Myrianthopoulos, L C, Chen, G T, Vijayakumar, S, Halpern, H J, Spelbring, D R, Pelizzari, C A

“…A well-designed treatment plan fully irradiates the target to the prescribed dose while minimizing radiation to adjacent critical structures. Beam's eye view…”
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Tetrahydrobiopterin Scavenges Superoxide in Dopaminergic Neurons by Nakamura, Ken, Bindokas, Vytautas P., Kowlessur, Devanand, Elas, Martyna, Milstien, Sheldon, Marks, Jeremy D., Halpern, Howard J., Kang, Un Jung

“…Increased oxidative stresses are implicated in the pathogenesis of Parkinson's disease, and dopaminergic neurons may be intrinsically susceptible to oxidative…”
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Direct Measurement of Nitroxide Pharmacokinetics in Isolated Hearts Situated in a Low-Frequency Electron Spin Resonance Spectrometer: Implications for Spin Trapping and in vivo Oxymetry by Rosen, Gerald M., Halpern, Howard J., Brunsting, Louis A., Spencer, David P., Strauss, Karyn E., Bowman, Michael K., Wechsler, Andrew S.

“…The pharmacokinetics of two nitroxides were investigated in isolated rat hearts situated in a low-frequency electron spin resonance spectrometer. The spin…”
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Localized prostate cancer: use of serial prostate-specific antigen measurements during radiation therapy by Vijayakumar, S, Quadri, S F, Karrison, T G, Trinidad, C O, Chan, S K, Halpern, H J, Rubin, S J, Sutton, H G

“…The serum half-life of prostate-specific antigen (PSA) after radical prostatectomy is about 3 days; to the authors' knowledge, the PSA half-life during…”
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Treatment of attention-deficit/hyperactivity disorder by Halpern, J H

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Electron Spin Relaxation of Triarylmethyl Radicals in Fluid Solution by Yong, Lu, Harbridge, James, Quine, Richard W., Rinard, George A., Eaton, Sandra S., Eaton, Gareth R., Mailer, Colin, Barth, Eugene, Halpern, Howard J.

“…Electron spin relaxation times of a Nycomed triarylmethyl radical (sym-trityl) in water, 1:1 water:glycerol, and 1:9 water:glycerol were measured at L-band,…”
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Spin trapping biologically generated free radicals: correlating formation with cellular injury by Rosen, G M, Halpern, H J

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