Search Results - "NIELSEN, H. C"

D Region Electron Density Derived From Sprite Observations by Stenbaek‐Nielsen, H. C., Liu, N. Y., McHarg, M. G., Harley, J.

“…Four upward propagating streamers in two carrot sprites over northwest Texas were recorded at 100,000 frames per second at 07:46:35 UT, 2 June 2019, from the…”
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On the Emergence Mechanism of Carrot Sprites by Malagón‐Romero, A., Teunissen, J., Stenbaek‐Nielsen, H. C., McHarg, M. G., Ebert, U., Luque, A.

“…We investigate the launch of negative upward streamers from sprite glows. This phenomenon is readily observed in high‐speed observations of sprites and…”
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Plasma chemistry of sprite streamers by Sentman, D. D., Stenbaek-Nielsen, H. C., McHarg, M. G., Morrill, J. S.

“…A study is conducted of the principal chemical effects induced by the passage of a single sprite streamer through the mesosphere at an altitude of 70 km…”
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Influence of complement on neutrophil extracellular trap release induced by bacteria by Palmer, L. J., Damgaard, C., Holmstrup, P., Nielsen, C. H.

“…Background and Objectives Neutrophil extracellular trap (NET) release has generally been studied in the absence of serum, or at low concentrations of untreated…”
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Sprite beads and glows arising from the attachment instability in streamer channels by Luque, A., Stenbaek‐Nielsen, H. C., McHarg, M. G., Haaland, R. K.

“…The complex dynamics of a sprite discharge are not limited to the propagation of streamers. After the passage of a streamer head, the ionized channel…”
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Pre‐existing IgG antibodies cross‐reacting with the Fab region of infliximab predict efficacy and safety of infliximab therapy in inflammatory bowel disease by Steenholdt, C., Palarasah, Y., Bendtzen, K., Teisner, A., Brynskov, J., Teisner, B., Nielsen, C. H.

“…Summary Background Infliximab (IFX) is a chimeric murine/human anti‐TNF antibody (Ab) used for the treatment of Crohn's disease (CD) and ulcerative colitis…”
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PET in vivo generators 134Ce and 140Nd on an internalizing monoclonal antibody probe by Severin, G. W., Fonslet, J., Kristensen, L. K., Nielsen, C. H., Jensen, A. I., Kjær, A., Mazar, A. P., Johnston, K., Köster, U.

“…The in vivo-generator radionuclides 140 Nd (t 1/2  = 3.4 d) and 134 Ce (t 1/2  = 3.2 d) were used to trace a urokinase-type plasminogen activator…”
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The complement system and its role in the pathogenesis of periodontitis: current concepts by Damgaard, C., Holmstrup, P., Van Dyke, T. E., Nielsen, C. H.

“…Periodontitis is a highly prevalent inflammatory disease in tooth supporting tissues, induced by bacteria growing in a biofilm on tooth surfaces. Components of…”
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Lewis and AB0 blood group-phenotypes in periodontitis, cardiovascular disease, obesity and stroke by Enevold, C., Nielsen, C. H., Molbo, D., Lund, R., Bendtzen, K., Fiehn, N. -E., Holmstrup, P.

“…The AB0 blood group has been linked to ischaemic heart disease, stroke, and periodontal disease, while the Lewis blood group has been linked to ischaemic heart…”
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Comparison of acceleration, expansion, and brightness of sprite streamers obtained from modeling and high-speed video observations by Liu, N. Y., Pasko, V. P., Adams, K., Stenbaek-Nielsen, H. C., McHarg, M. G.

“…We compare sprite streamer modeling results with high‐speed video recordings of sprites made with 50‐μs temporal resolution. Both the modeling results and the…”
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Single nucleotide polymorphisms in genes encoding toll-like receptors 7, 8 and 9 in Danish patients with systemic lupus erythematosus by Enevold, C, Nielsen, C. H, Jacobsen, R. S, Hermansen, M. L. F, Molbo, D, Avlund, K, Bendtzen, K, Jacobsen, S

“…Several studies indicate a role for toll-like receptors (TLRs) in the pathogenesis of systemic lupus erythematosus (SLE). We aimed to investigate the risk of…”
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Observed emission rates in sprite streamer heads by STENBAEK-NIELSEN, H. C, MCHARG, M. G, KANMAE, T, SENTMAN, D. D

“…Sprite observations at 10,000 fps have shown tendrils and branches to be formed by bright streamer heads moving at ∼107 m/s. The streamer heads typically…”
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Peptidylarginine deiminase-4 gene polymorphisms are associated with systemic lupus erythematosus and lupus nephritis by Massarenti, L, Enevold, C, Damgaard, D, Ødum, N, Nielsen, CH, Jacobsen, S

“…Objective: Peptidylarginine deiminase-4 (PAD4) is highly expressed by neutrophils and essential for citrullination occurring during the formation of neutrophil…”
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Altitude resolved sprite spectra with 3 ms temporal resolution by Kanmae, T., Stenbaek‐Nielsen, H. C., McHarg, M. G.

“…Altitude resolved sprite spectra have been obtained with an imaging slit spectrograph with 3 ms temporal and ∼3 nm spectral resolution. Spectral coverage is…”
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Porphyromonas gingivalis‐induced production of reactive oxygen species, tumor necrosis factor‐α, interleukin‐6, CXCL8 and CCL2 by neutrophils from localized aggressive periodontitis and healthy donors: modulating actions of red blood cells and resolvin E1 by Damgaard, C., Kantarci, A., Holmstrup, P., Hasturk, H., Nielsen, C. H., Van Dyke, T. E.

“…Background and Objectives Porphyromonas gingivalis is regarded as a significant contributor in the pathogenesis of periodontitis and certain systemic diseases,…”
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Mechanical properties of the human Achilles tendon, in vivo by Kongsgaard, M, Nielsen, C.H, Hegnsvad, S, Aagaard, P, Magnusson, S.P

“…Abstract Background Ultrasonography has been widely applied for in vivo measurements of tendon mechanical properties. Assessments of human Achilles tendon…”
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Altered balance between self‐reactive T helper (Th)17 cells and Th10 cells and between full‐length forkhead box protein 3 (FoxP3) and FoxP3 splice variants in Hashimoto's thyroiditis by Kristensen, B., Hegedüs, L., Madsen, H. O., Smith, T. J., Nielsen, C. H.

“…Summary T helper type 17 (Th17) cells play a pathogenic role in autoimmune disease, while interleukin (IL)‐10‐producing Th10 cells serve a protective role. The…”
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Optical Spectra of Small‐Scale Sprite Features Observed at 10,000 fps by Stenbaek‐Nielsen, H. C., McHarg, M. G., Haaland, R., Luque, A.

“…Spectra of small‐scale sprite structures, downward and upward propagating streamers, glow, and beads, were recorded with a slitless spectrograph at 10,000…”
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Sprite initiation altitude measured by triangulation by Stenbaek-Nielsen, H. C., Haaland, R., McHarg, M. G., Hensley, B. A., Kanmae, T.

“…High time resolution (10,000 frames per second) images of sprites combined with multistation concurrent video recordings have provided data for triangulation…”
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Comparison of sprite initiation altitudes between observations and models by Gamerota, W. R., Cummer, S. A., Li, J., Stenbaek-Nielsen, H. C., Haaland, R. K., McHarg, M. G.

“…Simultaneous analyses of measured sprite initiation altitudes with predicted initiation altitudes from simulations enable an examination of our understanding…”
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