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| 2. |
- Aare, Cecilia, 1959-
(författare)
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Reportaget som berättelse : En narratologisk undersökning av reportagegenren
- 2021
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This study is the first dissertation where the genre of reportage (in the U.S. classified as literary journalism) is systematically mapped with the help of narratology. Using tools primarily from structural discourse narratology, the thesis examines, describes and maps written reportages as narratives. Rhetorical and cognitive narratology complement the approach. The investigation rests on two assumptions. Firstly, a reporter’s professional purpose is to report about people and states of affairs outside the reporter herself. This results in a contextual commitment, which leaves traces in the narrative in the form of a textual commitment. The latter is in turn divided into narrative empathy and narrative compassion/sympathy. The thesis highlights the creation of narrative structures and stylistic features in reportages and the overall conclusion is that conceptions about a reporter’s professional purpose in fact do influence the narrativity of the text. Secondly, in contrast to news journalism, reportage is a personal genre that can be considered a directed reality: the content is taken from reality but the form is personal and a consequence of the writing reporter’s choices. The thesis presents a narratological model where the text develops in the interplay between three instances: a director, a narrator (in a first-person reportage a narrating reporter) and experiencing characters (in a first-person reportage including an experiencing reporter). The director should be regarded as a structuring property of the text itself. Part 1 provides a historical background to the reportage genre and the social side of the reporter role. In part 2, narrative characteristics of the genre are explored and defined together with the common roots of reportage and novels within realism and naturalism. Part 3 demonstrates how a contextual commitment can be transformed into a textual commitment. Throughout the dissertation, the director model is used to investigate differences and similarities between subcategories within the genre, sometimes between single texts, sometimes between reportage in general and fictional narrative. In part 4, a typology of reportage is presented. The genre is divided into five types of narration, based on the representational relation between how the physical reporter has collected information and in what ways an experiencing reporter is or is not apparent in the text. The thesis ends with a historicization of consonance and dissonance within the reportage genre. Consonance emphasizes the characters’ “here-and-now” and can be found within a broad, classical tradition of eyewitness reporting. Dissonance emphasizes the narrator’s retrospective perspective and can be found within the modernistic type of American New Journalism and in more experimentally written reportages from the most recent decades. The thesis demonstrates how both these ways of narrating may enable the reader’s narrative empathy with someone else than the experiencing reporter.The analyses and conclusions are mainly based on Swedish reportages from 1819 to 2014. This material is complemented with international reportages from 1903 to 2007, from Norway, Poland, Germany, Great Britain, Italy, Bohemia, Croatia, Belarus and the U.S. Accordingly, the dissertation demonstrates that traditions of reportage are primarily international and that the observations about narrative patterns within the genre are also relevant outside of Sweden.
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- Andersen, Christen Lykkegaard, et al.
(författare)
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Circulating YKL-40 in patients with essential thrombocythemia and polycythemia vera treated with the novel histone deacetylase inhibitor vorinostat
- 2014
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Ingår i: Leukemia Research. - : Elsevier. - 0145-2126 .- 1873-5835. ; 38:7, s. 816-821
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Tidskriftsartikel (refereegranskat)abstract
- YKL-40 regulates vascular endothelial growth factors and induces tumor proliferation. We investigated YKL-40 before and after treatment with vorinostat in 31 polycythemia vera (PV) and 16 essential thrombocythemia (ET) patients. Baseline PV patient levels were 2 times higher than in healthy controls (P<0.0001) and 1.7 times higher than in ET (P = 0.02). A significant correlation between YKL-40 at baseline and neutrophils, CRP, LDH, JAK2V617F and platelets in PV patients was observed, as well as a significantly greater reduction of YKL-40 levels in PV patients responding to therapy. YKL-40 might be a novel marker of disease burden and progression in myeloproliferative neoplasms.
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- Basic, Dean, et al.
(författare)
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Changes in regional brain monoaminergic activity and temporary down-regulation in stress response from dietary supplementation with L-tryptophan in Atlantic cod (Gadus morhua)
- 2013
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Ingår i: British Journal of Nutrition. - 0007-1145 .- 1475-2662. ; 109:12, s. 2166-2174
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Tidskriftsartikel (refereegranskat)abstract
- The brain monoamines serotonin (5-hydroxytryptamine; 5-HT) and dopamine (DA) both play an integrative role in behavioural and neuroendocrine responses to challenges, and comparative models suggest common mechanisms for dietary modulation of transmission by these signal substances in vertebrates. Previous studies in teleosts demonstrate that 7 d of dietary administration with L-tryptophan (Trp), the direct precursor of 5-HT, suppresses the endocrine stress response. The present study investigated how long the suppressive effects of a Trp-enriched feed regimen, at doses corresponding to two, three or four times the Trp levels in commercial feed, last in juvenile Atlantic cod (Gadus morhua) when the fish are reintroduced to a diet with standard amino acid composition. We also wanted to determine whether Trp supplementation induced changes in brain monoaminergic neurochemistry in those forebrain structures innervated by DA- and 5-HTergic neurons, by measuring regional activity of DA and 5-HT in the lateral pallial regions (Dl) of the telencephalon and nucleus lateralis tuberis (NLT) of the hypothalamus. Dietary Trp resulted in a dose-dependent suppression in plasma cortisol among fish exposed to confinement stress on the first day following experimental diet; however, such an effect was not observed at 2 or 6 d after Trp treatment. Feeding the fish with moderate Trp doses also evoked a general increase in DA and 5-HT-ergic activity, suggesting that these neural circuits within the NLT and Dl may be indirectly involved in regulating the acute stress response.
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- Bauer, Michael, et al.
(författare)
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Association between solar insolation and a history of suicide attempts in bipolar I disorder.
- 2019
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Ingår i: Journal of psychiatric research. - : Elsevier BV. - 1879-1379 .- 0022-3956. ; 113, s. 1-9
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Tidskriftsartikel (refereegranskat)abstract
- In many international studies, rates of completed suicide and suicide attempts have a seasonal pattern that peaks in spring or summer. This exploratory study investigated the association between solar insolation and a history of suicide attempt in patients with bipolar I disorder. Solar insolation is the amount of electromagnetic energy from the Sun striking a surface area on Earth. Data were collected previously from 5536 patients with bipolar I disorder at 50 collection sites in 32 countries at a wide range of latitudes in both hemispheres. Suicide related data were available for 3365 patients from 310 onset locations in 51 countries. 1047 (31.1%) had a history of suicide attempt. There was a significant inverse association between a history of suicide attempt and the ratio of mean winter solar insolation/mean summer solar insolation. This ratio is smallest near the poles where the winter insolation is very small compared to the summer insolation. This ratio is largest near the equator where there is relatively little variation in the insolation over the year. Other variables in the model that were positively associated with suicide attempt were being female, a history of alcohol or substance abuse, and being in a younger birth cohort. Living in a country with a state-sponsored religion decreased the association. (All estimated coefficients p<0.01). In summary, living in locations with large changes in solar insolation between winter and summer may be associated with increased suicide attempts in patients with bipolar disorder. Further investigation of the impacts of solar insolation on the course of bipolar disorder is needed.
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- Cifani, Paolo, et al.
(författare)
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Hunting for Protein Markers of Hypoxia by Combining Plasma Membrane Enrichment with a New Approach to Membrane Protein Analysis
- 2011
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Ingår i: Journal of Proteome Research. - : American Chemical Society (ACS). - 1535-3893 .- 1535-3907. ; 10:4, s. 1645-1656
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Tidskriftsartikel (refereegranskat)abstract
- Nontransient hypoxia is strongly associated with malignant lesions, resulting in aggressive behavior and resistance to treatment. We present an analysis of mRNA and protein expression changes in neuroblastoma cell lines occurring upon the transition from normoxia to hypoxia. The correlation between mRNA and protein level changes was poor, although some known hypoxia-driven genes and proteins correlated well. We present previously undescribed membrane proteins expressed under hypoxic conditions that are candidates for evaluation as biomarkers.
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| 7. |
- Duncan, Kyle D., et al.
(författare)
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Direct analysis of naphthenic acids in constructed wetland samples by condensed phase membrane introduction mass spectrometry
- 2020
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Ingår i: Science of the Total Environment. - : ELSEVIER. - 0048-9697 .- 1879-1026. ; 716
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Tidskriftsartikel (refereegranskat)abstract
- The application of direct mass spectrometry techniques to the analysis of complex samples has a number of advantages including reduced sample handling, higher sample throughput, in situ process monitoring, and the potential for adaptation to on-site analysis. We report the application of a semi-permeable capillary hollow fibre membrane probe (immersed directly into an aqueous sample) coupled to a triple quadrupole mass spectrometer by a continuously flowing methanol acceptor phase for the rapid analysis of naphthenic adds with unit mass resolution. The intensity of the naphthenic add-associated peaks in the mass spectrum are normalized to an internal standard in the acceptor phase for quantitation and the relative abundance of the peaks in the mass spectrum are employed to monitor compositional changes in the naphthenic add mixture using principle component analysis. We demonstrate the direct analysis of a synthetic oil sands process-affected water for classical (CnH2n+zO2) as they are attenuated through constructed wetlands containing sedge (Carex aquatilis), cattail (Typha latifolia), or bulrush (Schoenoplectus acutus). Quantitative results for on-line membrane sampling compare favourably to those obtained by solid-phase extraction high-resolution mass spectrometry. Additionally. chemometric analysis of the mass spectra indicates a clear discrimination between naphthenic acid-influenced and natural background waters. Furthermore, the compositional changes within complex naphthenic acid mixtures track closely with the degree of attenuation. Overall, the technique is successful in following changes in both the concentration and composition of naphthenic acids from synthetic oil sands process-affected waters. with the potential for high throughput screening and environmental forensics.
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| 8. |
- Duncan, Kyle D., et al.
(författare)
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Membrane Sampling Separates Naphthenic Acids from Biogenic Dissolved Organic Matter for Direct Analysis by Mass Spectrometry
- 2022
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Ingår i: Environmental Science and Technology. - : American Chemical Society (ACS). - 0013-936X .- 1520-5851. ; 56:5, s. 3096-3105
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Tidskriftsartikel (refereegranskat)abstract
- Oil sands process waters can release toxic naphthenic acids (NAs) into aquatic environments. Analytical techniques for NAs are challenged by sample complexity and interference from naturally occurring dissolved organic matter (DOM). Herein, we report the use of a poly(dimethylsiloxane) (PDMS) polymer membrane for the on-line separation of NAs from DOM and use direct infusion electrospray ionization mass spectrometry to yield meaningful qualitative and quantitative information with minimal sample cleanup. We compare the composition of membrane-permeable species from natural waters fortified with a commercial NA mixture to those derived from weak anion exchange solid-phase extraction (SPE) using high-resolution mass spectrometry. The results show that SPE retains a wide range of carboxylic acids, including biogenic DOM, while permeation through PDMS was selective for petrogenic classically defined NAs (CnH2n+zO2). A series of model compounds (log K-ow similar to 1-7) were used to characterize the perm-selectivity and reveal the separation is based on hydrophobicity. This convenient sample cleanup method is selective for the O-2 class of NAs and can be used prior to conventional analysis or as an on-line analytical strategy when coupled directly to mass spectrometry.
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| 9. |
- Hougaard, Jesper Leth, et al.
(författare)
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The nerve fibre layer symmetry test: computerized evaluation of human retinal nerve fibre layer thickness as measured by optical coherence tomography
- 2004
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Ingår i: Acta Ophthalmologica Scandinavica. - : Wiley. - 1395-3907 .- 1600-0420. ; 82:4, s. 410-418
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: To present and test a new interpretative concept, the nerve fibre layer symmetry test (NST), for computerized evaluation of retinal nerve fibre layer thickness (RNFLT) as measured by optical coherence tomography (OCT) in glaucoma. Methods: The NST concept was constructed and tested in a pilot study. A total of 32 healthy and 40 age-matched glaucomatous eyes were included and examined by OCT, computerized perimetry, RNFL/disc photography, tonometry and a general ophthalmologic examination. Results: The observed NST sensitivity and specificity were high, at 38/40 eyes (95%) and 32/32 eyes (100%), respectively, and 40/40 eyes (100%), and 31/32 eyes (97%), respectively, when correcting the OCT RNFLT measurement for the influence of variability in image signal/quality. The NST sensitivity was 8-10% higher than the single most sensitive traditional OCT RNFLT parameter; this difference was not statistically significant in this small sample. Conclusion: The NST showed high specificity and sensitivity for detection of RNFLT attenuation indicating early to severe glaucoma. Although promising, the NST needs to be further developed and validated in larger study samples and in patients with various stages of glaucomatous damage.
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