Search Results - "Karpen, J"

Intestinal transport and metabolism of bile acids by Dawson, Paul A., Karpen, Saul J.

“…In addition to their classical roles as detergents to aid in the process of digestion, bile acids have been identified as important signaling molecules that…”
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Acute Hepatitis in Children in 2022 — Human Adenovirus 41? by Karpen, Saul J.

“…Acute hepatitis in children is certainly not new, and it can be worrisome. Successful worldwide vaccination campaigns over the past few decades have led to…”
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THE MECHANISMS FOR THE ONSET AND EXPLOSIVE ERUPTION OF CORONAL MASS EJECTIONS AND ERUPTIVE FLARES by KARPEN, J. T, ANTIOCHOS, S. K, DEVORE, C. R

“…We have investigated the onset and acceleration of coronal mass ejections (CMEs) and eruptive flares. To isolate the eruption physics, our study uses the…”
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Bile acids and nonalcoholic fatty liver disease: Molecular insights and therapeutic perspectives by Arab, Juan P., Karpen, Saul J., Dawson, Paul A., Arrese, Marco, Trauner, Michael

“…Nonalcoholic fatty liver disease (NAFLD) is a burgeoning health problem worldwide and an important risk factor for both hepatic and cardiometabolic mortality…”
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Physics of Solar Prominences: II—Magnetic Structure and Dynamics by Mackay, D. H., Karpen, J. T., Ballester, J. L., Schmieder, B., Aulanier, G.

“…Observations and models of solar prominences are reviewed. We focus on non-eruptive prominences, and describe recent progress in four areas of prominence…”
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RECONNECTION-DRIVEN CORONAL-HOLE JETS WITH GRAVITY AND SOLAR WIND by Karpen, J. T., DeVore, C. R., Antiochos, S. K., Pariat, E.

“…ABSTRACT Coronal-hole jets occur ubiquitously in the Sun's coronal holes, at EUV and X-ray bright points associated with intrusions of minority magnetic…”
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Biliary Atresia: Clinical and Research Challenges for the Twenty‐First Century by Bezerra, Jorge A., Wells, Rebecca G., Mack, Cara L., Karpen, Saul J., Hoofnagle, Jay H., Doo, Edward, Sokol, Ronald J.

“…Biliary atresia (BA) is a fibroinflammatory disease of the intrahepatic and extrahepatic biliary tree. Surgical hepatic portoenterostomy (HPE) may restore bile…”
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THREE-DIMENSIONAL SIMULATIONS OF TEARING AND INTERMITTENCY IN CORONAL JETS by Wyper, P. F., DeVore, C. R., Karpen, J. T., Lynch, B. J.

“…ABSTRACT Observations of coronal jets increasingly suggest that local fragmentation and intermittency play an important role in the dynamics of these events…”
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FORMATION AND EVOLUTION OF A MULTI-THREADED SOLAR PROMINENCE by LUNA, M, KARPEN, J. T, DEVORE, C. R

“…We investigate the process of formation and subsequent evolution of prominence plasma in a filament channel and its overlying arcade. We construct a…”
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MAGNETIC-ISLAND CONTRACTION AND PARTICLE ACCELERATION IN SIMULATED ERUPTIVE SOLAR FLARES by Guidoni, S. E., DeVore, C. R., Karpen, J. T., Lynch, B. J.

“…ABSTRACT The mechanism that accelerates particles to the energies required to produce the observed high-energy impulsive emission in solar flares is not well…”
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Magnetic Reconnection as the Driver of the Solar Wind by Raouafi, Nour E., Stenborg, G., Seaton, D. B., Wang, H., Wang, J., DeForest, C. E., Bale, S. D., Drake, J. F., Uritsky, V. M., Karpen, J. T., DeVore, C. R., Sterling, A. C., Horbury, T. S., Harra, L. K., Bourouaine, S., Kasper, J. C., Kumar, P., Phan, T. D., Velli, M.

“…We present EUV solar observations showing evidence for omnipresent jetting activity driven by small-scale magnetic reconnection at the base of the solar…”
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Double Power-law Formation by Sequential Particle Acceleration by Guidoni, S. E., DeVore, C. R., Karpen, J. T., Alaoui, M.

“…Spectral double power laws are common in solar high-energy phenomena such as flares and interplanetary energetic-electron events. However, the physical…”
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Plumelets: Dynamic Filamentary Structures in Solar Coronal Plumes by Uritsky, V. M., DeForest, C. E., Karpen, J. T., DeVore, C. R., Kumar, P., Raouafi, N. E., Wyper, P. F.

“…Solar coronal plumes long seemed to possess a simple geometry supporting spatially coherent, stable outflow without significant fine structure. Recent…”
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Spectral Power-law Formation by Sequential Particle Acceleration in Multiple Flare Magnetic Islands by Guidoni, S. E., Karpen, J. T., DeVore, C. R.

“…We present a first-principles model of pitch-angle and energy distribution function evolution as particles are sequentially accelerated by multiple flare…”
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OBSERVATIONS AND IMPLICATIONS OF LARGE-AMPLITUDE LONGITUDINAL OSCILLATIONS IN A SOLAR FILAMENT by Luna, M, KNIZHNIK, K, Muglach, K, Karpen, J, Gilbert, H, Kucera, T A, URITSKY, V

“…On 2010 August 20, an energetic disturbance triggered large-amplitude longitudinal oscillations in a nearby filament. The triggering mechanism appears to be…”
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Inhibition of ileal bile acid uptake protects against nonalcoholic fatty liver disease in high-fat diet-fed mice by Rao, Anuradha, Kosters, Astrid, Mells, Jamie E, Zhang, Wujuan, Setchell, Kenneth D R, Amanso, Angelica M, Wynn, Grace M, Xu, Tianlei, Keller, Brad T, Yin, Hong, Banton, Sophia, Jones, Dean P, Wu, Hao, Dawson, Paul A, Karpen, Saul J

“…Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease in the Western world, and safe and effective therapies are needed. Bile acids…”
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THE EFFECTS OF MAGNETIC-FIELD GEOMETRY ON LONGITUDINAL OSCILLATIONS OF SOLAR PROMINENCES by LUNA, M, DIAZ, A. J, KARPEN, J

“…We investigate the influence of the geometry of the solar filament magnetic structure on the large-amplitude longitudinal oscillations. A representative…”
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A Model for the Coupled Eruption of a Pseudostreamer and Helmet Streamer by Wyper, P F, Antiochos, S K, Devore, C R, Lynch, B J, Karpen, J T, Kumar, P

“…A highly important aspect of solar activity is the coupling between eruptions and the surrounding coronal magnetic-field topology, which determines the…”
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Phytosterols promote liver injury and Kupffer cell activation in parenteral nutrition-associated liver disease by El Kasmi, Karim C, Anderson, Aimee L, Devereaux, Michael W, Vue, Padade M, Zhang, Wujuan, Setchell, Kenneth D R, Karpen, Saul J, Sokol, Ronald J

“…Parenteral nutrition-associated liver disease (PNALD) is a serious complication of PN in infants who do not tolerate enteral feedings, especially those with…”
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A Model for Coronal Hole Bright Points and Jets Due to Moving Magnetic Elements by Wyper, P. F., DeVore, C. R., Karpen, J. T., Antiochos, S. K., Yeates, A. R.

“…Coronal jets and bright points occur prolifically in predominantly unipolar magnetic regions, such as coronal holes (CHs), where they appear above…”
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