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| 2. |
- Hotamisligil, GS, et al.
(author)
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Differential regulation of the p80 tumor necrosis factor receptor in human obesity and insulin resistance
- 1997
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In: Diabetes. - : American Diabetes Association. - 0012-1797 .- 1939-327X. ; 46:3, s. 451-455
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Journal article (peer-reviewed)abstract
- Previous studies have shown that tumor necrosis factor (TNF)-α production from adipose tissue is elevated in rodent and human obesity and plays an important role in insulin resistance in experimental animal models. In this study, we examined the adipose expression of both TNF receptors (TNFR1 and TNFR2) in human obesity and demonstrated that obese female subjects express approximately twofold more TNFR2 mRNA in fat tissue and approximately sixfold more soluble TNFR2 in circulation relative to lean control subjects. In contrast, TNFR1 expression and protein levels were similar in these subjects. TNFR2 expression levels in adipose tissue were strongly correlated with BMI (r = 0.65, P < 0.001) and level of hyperinsulinemia (P < 0.001), an indirect measure of insulin resistance, as well as level of TNF-α mRNA expression in fat tissue (r = 0.56, P < 0.001). These results suggest that TNFR2 might play a role in human obesity by modulating the actions of TNF-α.
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| 3. |
- Schiller, Elad, 1974
(author)
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Self-Organizing Systems, First International Workshop, IWSOS 2006, and Third International Workshop on New Trends in Network Architectures and Services, EuroNGI 2006, Passau, Germany, September 18-20, 2006, Proceedings
- 2006
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In: IWSOS/EuroNGI / Hermann de Meer, James P. G. Sterbenz. - 3540376585 ; 4124
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Conference paper (other academic/artistic)
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| 4. |
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| 5. |
- Aad, G., et al.
(author)
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Search for single production of vector-like T quarks decaying into Ht or Zt in pp collisions at √s=13 TeV with the ATLAS detector
- 2023
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In: Journal of High Energy Physics (JHEP). - : Springer Nature. - 1126-6708 .- 1029-8479. ; 2023:8
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Journal article (peer-reviewed)abstract
- This paper describes a search for the single production of an up-type vector-like quark (T) decaying as T -> Ht or T -> Zt. The search utilises a dataset of pp collisions at root s = 13 TeV collected with the ATLAS detector during the 2015-2018 data-taking period of the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb-1. Data are analysed in final states containing a single lepton with multiple jets and b-jets. The presence of boosted heavy resonances in the event is exploited to discriminate the signal from the Standard Model background. No significant excess above the Standard Model expectation is observed, and 95% CL upper limits are set on the production cross section of T quarks in different decay channels. The results are interpreted in several benchmark scenarios to set limits on the mass and universal coupling strength (κ) of the vector-like quark. For singlet T quarks, κ values above 0.53 are excluded for all masses below 2.3 TeV. At a mass of 1.6 TeV, κ values as low as 0.35 are excluded. For T quarks in the doublet scenario, where the production cross section is much lower, κ values above 0.72 are excluded for all masses below 1.7 TeV, and this exclusion is extended to κ above 0.55 for low masses around 1.0 TeV.
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| 7. |
- Legnér, Mattias, 1973-
(author)
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Imagined communities and the discourse of legislation on national heritage
- 2015
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In: In the flow. People, Media, Materialities. - Norrköping : ACSIS, Linköpings universitet. ; , s. 81-82
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Conference paper (peer-reviewed)abstract
- Modern protection of movable and immovable heritage traces its European roots back to the beginning of the twentieth century. At this time many countries had imposed restrictions of some kind on the exports of domestic heritage objects. Legal restrictions found, and still claim to find, their legitimacy in the idea of national heritage and collective memory. In order to be defined and protected as heritage, an object needs to be intimately associated with shared values and memories. Some scholars have described the process of nationalizing heritage as the discourse of a social elite. The paper analyzes the discourse of legal protection of national heritage as one builiding on the idea of an "imagined community" that is constructed by using the past in different ways.
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| 9. |
- Shen, Biao, et al.
(author)
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Effect of dissolved gas on bubble growth on a biphilic surface : A diffuse-interface simulation approach
- 2018
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In: International Journal of Heat and Mass Transfer. - : Pergamon Press. - 0017-9310 .- 1879-2189. ; 126, s. 816-829
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Journal article (peer-reviewed)abstract
- In this paper, we numerically study pool boiling of a binary (water and nitrogen) mixture on a surface endowed with a combination of hydrophobicity and hydrophilicity (i.e., the so called biphilic surface). Here we adopt a numerical approach based on the phase field theory, where the vapor-liquid interface is assumed to be of a finite thickness (hence diffusive in nature) and requires no explicit tracking schemes. The theoretical modeling of two-phase heat and mass transfer in water diluted with nitrogen demonstrates the signiant impact of impurities on bubble dynamics. The simulations show that locally high concentrations of nitrogen gas within the vapor bubble is essential to weakening the condensation effect, which results in sustained bubble growth and ultimately (partial) departure from the surface under the artificially enlarged gravity. Simply increasing the solubility of nitrogen in water, however, turns out to be counterproductive because possible re-dissolution of the aggregated nitrogen by the bulk water could deprive the bubble of vital gas contents, leading instead to continuous bubble shrinkage and collapse. Additionally, it is found that with the significant accumulation of nitrogen, the bubble interface is increasingly dominated by a strong interfacial thermocapillary flow due to the Marangoni effect.
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| 10. |
- Zamith, S, et al.
(author)
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The predissociation of highly excited states in acetylene by time-resolved photoelectron spectroscopy
- 2003
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In: Journal of Chemical Physics. - : AIP Publishing. - 0021-9606 .- 1089-7690. ; 119:7, s. 3763-3773
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Journal article (peer-reviewed)abstract
- We study the dynamics of highly excited states in acetylene initiated by an ultrashort vacuum ultraviolet laser pulse. Electronic states lying in the 4s-3d Rydberg region are excited with one femtosecond pulse, and the dynamic development of the states is monitored by a second short pulse which ionizes the system. We show that even for femtosecond pulses where the bandwidth of the exciting pulse covers several electronic states, it is possible to extract short decay lifetimes through time-resolved photoelectron spectroscopy by using a frequency-modulated (chirped) excitation pulse. We report decay lifetimes for the F 4(0)(2) and E 4-5(0)(2) states in acetylene, and for the E 4(0)(2) and E 5(0)(2) states in d-acetylene. The time evolution measured in the electron spectra is compared to decay spectra measured using ion yield and the differences in these results are discussed. (C) 2003 American Institute of Physics.
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