Search Results - "Nordheim, A."
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1
Surface Charging of Jupiter’s Moon Europa
Published in Astrophysical journal. Letters (01-02-2024)“…Abstract Europa’s surface is exposed to a constant flow of plasma from its ionosphere and Jupiter’s magnetosphere. As these particles flow onto the surface, an…”
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A transient enhancement of Mercury’s exosphere at extremely high altitudes inferred from pickup ions
Published in Nature communications (29-09-2020)“…Mercury has a global dayside exosphere, with measured densities of 10 −2 cm −3 at ~1500 km. Here we report on the inferred enhancement of neutral densities…”
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Driver of Energetic Electron Precipitation in the Vicinity of Ganymede
Published in Geophysical research letters (28-03-2023)“…The driver of energetic electron precipitation into Ganymede's atmosphere has been an outstanding open problem. During the Juno flyby of Ganymede on 7 June…”
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4
JWST Reveals CO Ice, Concentrated CO2 Deposits, and Evidence for Carbonates Potentially Sourced from Ariel’s Interior
Published in Astrophysical journal. Letters (01-08-2024)“…The Uranian moon Ariel exhibits a diversity of geologically young landforms, with a surface composition rich in CO2 ice. The origin of CO2 and other species,…”
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5
Detection of Negative Pickup Ions at Saturn's Moon Dione
Published in Geophysical research letters (16-04-2020)“…We investigate a possible negative ion feature observed by the Cassini Plasma Spectrometer (CAPS) during a flyby of Saturn's moon Dione that occurred on 7…”
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6
The novel MKL target gene myoferlin modulates expansion and senescence of hepatocellular carcinoma
Published in Oncogene (15-06-2017)“…Megakaryoblastic Leukemia 1 and 2 (MKL1/2) are transcriptional coactivators of Serum Response Factor (SRF) with an essential role for hepatocellular carcinoma…”
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Evidence for Nitrogen-bearing Species on Umbriel: Sourced from a Subsurface Ocean, Undifferentiated Crust, or Impactors?
Published in The planetary science journal (01-03-2023)“…Abstract Near-infrared spectra of Umbriel and the other classical Uranian moons exhibit 2.2 μ m absorption bands that could result from ammonia (NH 3 ) bearing…”
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Constraining the source regions of lunar meteorites using orbital geochemical data
Published in Meteoritics & planetary science (01-02-2015)“…Lunar meteorites provide important new samples of the Moon remote from regions visited by the Apollo and Luna sample return missions. Petrologic and…”
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Cassini CAPS Identification of Pickup Ion Compositions at Rhea
Published in Geophysical research letters (28-02-2018)“…Saturn's largest icy moon, Rhea, hosts a tenuous surface‐sputtered exosphere composed primarily of molecular oxygen and carbon dioxide. In this Letter, we…”
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10
Radiation tolerance of the PNI RM3100 magnetometer for a Europa lander mission
Published in Geoscientific instrumentation, methods and data systems (23-12-2020)“…The results of two radiation test campaigns on a low-cost commercial off-the-shelf magnetometer are presented. The test setup and the total ionization dose…”
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Planetary space weather: scientific aspects and future perspectives
Published in Journal of space weather and space climate (2016)“…In this paper, we review the scientific aspects of planetary space weather at different regions of our Solar System, performing a comparative planetology…”
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12
Feasibility of Passive Sounding of Uranian Moons Using Uranian Kilometric Radiation
Published in Earth and space science (Hoboken, N.J.) (01-02-2024)“…We present a feasibility study for passive sounding of Uranian icy moons using Uranian Kilometric Radio (UKR) emissions in the 100–900 kHz band. We provide a…”
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13
Detection of a strongly negative surface potential at Saturn's moon Hyperion
Published in Geophysical research letters (28-10-2014)“…On 26 September 2005, Cassini conducted its only close targeted flyby of Saturn's small, irregularly shaped moon Hyperion. Approximately 6 min before the…”
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14
Downstream of FGF during mesoderm formation in Xenopus: The roles of Elk-1 and Egr-1
Published in Developmental biology (15-12-2009)“…Signalling by members of the FGF family is required for induction and maintenance of the mesoderm during amphibian development. One of the downstream effectors…”
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15
Changes in the effective gravitational field strength affect the state of phosphorylation of stress-related proteins in callus cultures of Arabidopsis thaliana
Published in Journal of experimental botany (01-03-2009)“…In a recent study it was shown that callus cell cultures of Arabidopsis thaliana respond to changes in gravitational field strengths by changes in protein…”
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Serum response factor is essential for mesoderm formation during mouse embryogenesis
Published in The EMBO journal (02-11-1998)“…The transcription factor serum response factor (SRF), a phylogenetically conserved nuclear protein, mediates the rapid transcriptional response to…”
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17
Constraining Ocean and Ice Shell Thickness on Miranda from Surface Geological Structures and Stress Modeling
Published in The planetary science journal (01-10-2024)“…Abstract Images from the Voyager 2 mission revealed the small Uranian satellite Miranda to be a complex, dynamic world. This is exemplified by signs of recent…”
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Unraveling the Geologic History of Miranda’s Inverness Corona
Published in The planetary science journal (01-12-2023)“…Abstract Miranda is the only icy body whose surface is known to contain the enigmatic features called corona—ovoid to trapezoidal areas of deformation. In this…”
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Time-course of changes in amounts of specific proteins upon exposure to hyper-g, 2-D clinorotation, and 3-D random positioning of Arabidopsis cell cultures
Published in Journal of experimental botany (01-01-2007)“…In previous studies it has been shown that callus cell cultures of Arabidopsis thaliana respond to changes in gravitational field strengths by altered gene…”
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Activation of ternary complex factor Elk‐1 by MAP kinases
Published in The EMBO journal (15-12-1993)“…Ternary complex factors (TCFs), one of which is Elk‐1, have been implicated in mediation of c‐fos induction. They have been shown to be phosphorylated by…”
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