Search Results - "BELL, T. F"

Spatial transcriptomics analysis of neoadjuvant cabozantinib and nivolumab in advanced hepatocellular carcinoma identifies independent mechanisms of resistance and recurrence by Zhang, Shuming, Yuan, Long, Danilova, Ludmila, Mo, Guanglan, Zhu, Qingfeng, Deshpande, Atul, Bell, Alexander T F, Elisseeff, Jennifer, Popel, Aleksander S, Anders, Robert A, Jaffee, Elizabeth M, Yarchoan, Mark, Fertig, Elana J, Kagohara, Luciane T

“…Novel immunotherapy combination therapies have improved outcomes for patients with hepatocellular carcinoma (HCC), but responses are limited to a subset of…”
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Temporal signatures of radiation belt electron precipitation induced by lightning-generated MR whistler waves: 1. Methodology by Bortnik, J., Inan, U. S., Bell, T. F.

“…We present a novel technique designed to calculate the detailed differential number flux signature (as a function of energy and time) of precipitating…”
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Landau damping and resultant unidirectional propagation of chorus waves by Bortnik, J., Inan, U. S., Bell, T. F.

“…Using a numerical ray tracing code and a model of the suprathermal electron distribution in the inner magnetosphere, we calculate the Landau damping of chorus…”
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Source regions of banded chorus by Bell, T. F., Inan, U. S., Haque, N., Pickett, J. S.

“…ELF/VLF chorus emissions are very intense electromagnetic plasma waves that are naturally and spontaneously excited near the magnetic equatorial plane outside…”
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DEMETER observations of ionospheric heating by powerful VLF transmitters by Bell, T. F., Graf, K., Inan, U. S., Piddyachiy, D., Parrot, M.

“…We report DEMETER spacecraft observations of ionospheric heating produced above powerful VLF transmitters by their intense radiated electromagnetic (EM)…”
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Cluster observations of whistler mode ducts and banded chorus by Haque, N., Inan, U. S., Bell, T. F., Pickett, J. S., Trotignon, J. G., Facskó, G.

“…Bell et al. (2009) proposed that the source region for banded chorus consists of whistler mode ducts of depleted electron density (Ne) for upper band (UB)…”
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Temporal signatures of radiation belt electron precipitation induced by lightning-generated MR whistler waves: 2. Global signatures by Bortnik, J., Inan, U. S., Bell, T. F.

“…We use the methodology presented in a companion paper to calculate the temporal and spatial precipitation signatures of energetic radiation‐belt electrons due…”
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Precipitation signatures of ground-based VLF transmitters by Kulkarni, P., Inan, U. S., Bell, T. F., Bortnik, J.

“…Numerical raytracing with Landau damping is used to calculate >100 keV electron precipitation signatures induced by hypothetical VLF transmitters distributed…”
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DEMETER observations of an intense upgoing column of ELF/VLF radiation excited by the HAARP HF heater by Piddyachiy, D., Inan, U. S., Bell, T. F., Lehtinen, N. G., Parrot, M.

“…DEMETER spacecraft observations of ELF signals generated by the recently upgraded High‐Frequency Active Auroral Research Program (HAARP) HF facility (3.6 MW)…”
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ELF waves generated by modulated HF heating of the auroral electrojet and observed at a ground distance of ∼4400 km by Moore, R. C., Inan, U. S., Bell, T. F., Kennedy, E. J.

“…We present calibrated measurements of ELF waves generated by modulated HF heating of the auroral electrojet by the High frequency Active Auroral Research…”
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Sprites produced by quasi-electrostatic heating and ionization in the lower ionosphere by Pasko, V. P., Inan, U. S., Bell, T. F., Taranenko, Y. N.

“…Quasi‐electrostatic (QE) fields that temporarily exist at high altitudes following the sudden removal (e.g., by a lightning discharge) of thundercloud charge…”
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Spatial dependence of banded chorus intensity near the magnetic equator by Haque, N., Inan, U. S., Bell, T. F., Pickett, J. S.

“…Data from 12 different Cluster orbits containing banded chorus emissions, with observations from 22 different events spread across the four Cluster spacecraft,…”
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Monte Carlo simulation of runaway MeV electron breakdown with application to red sprites and terrestrial gamma ray flashes by Lehtinen, N. G., Bell, T. F., Inan, U. S.

“…A three‐dimensional Monte Carlo model of the uniform relativistic runaway electron breakdown in air in the presence of static electric and magnetic fields is…”
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HF modulated ionospheric currents by Payne, J. A., Inan, U. S., Foust, F. R., Chevalier, T. W., Bell, T. F.

“…The HAARP HF facility is used to modulate the components of the auroral electrojet that flow in the D‐region of the ionosphere, creating ELF/VLF radiation…”
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Modeling of Doppler-shifted terrestrial VLF transmitter signals observed by DEMETER by Starks, M. J., Bell, T. F., Quinn, R. A., Inan, U. S., Piddyachiy, D., Parrot, M.

“…Observations of signals from a terrestrial very low frequency (VLF) transmitter made by the DEMETER spacecraft inside the plasmasphere are modeled using a…”
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Saturation effects in the VLF-triggered emission process by Gibby, A. R., Inan, U. S., Bell, T. F.

“…An in‐depth study is performed of the saturation characteristics of the VLF‐triggered emission process, a plasma instability associated with the amplification…”
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DEMETER observations of ELF waves injected with the HAARP HF transmitter by Platino, M., Inan, U. S., Bell, T. F., Parrot, M., Kennedy, E. J.

“…Modulated HF heating of the auroral electrojet is used to inject ELF signals into the magnetosphere that are observed on the low altitude DEMETER spacecraft…”
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Effects of plasma density irregularities on the pitch angle scattering of radiation belt electrons by signals from ground based VLF transmitters by Bell, T. F., Inan, U. S., Piddyachiy, D., Kulkarni, P., Parrot, M.

“…Recent DEMETER spacecraft observations show that VLF signals from the NPM transmitter in Hawaii often strongly excite quasi‐electrostatic whistler mode waves…”
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Energetic electron precipitation induced by space based VLF transmitters by Kulkarni, P., Inan, U. S., Bell, T. F.

“…Numerical raytracing with Landau damping is used to calculate electron precipitation that would be induced by in situ sources located at L = 2 and L = 2.5, at…”
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Source characteristics of ELF/VLF chorus by Lauben, D. S., Inan, U. S., Bell, T. F., Gurnett, D. A.

“…Source characteristics of nonducted dawn‐sector magnetospheric ELF/VLF chorus emissions are deduced from in situ chorus wave properties measured with the…”
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