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Sökning: WFRF:(Månsson Ola)

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1.
  • Ahlgren, Karin, et al. (författare)
  • De stora restaureringarna Från Uppsala domkyrka till Skokloster
  • 2004
  • Rapport (populärvet., debatt m.m.)abstract
    • <p>De stora restaureringarna har varit årets tema. Genom att dokumentera och analysera teori och praktik i några av 1800- och 1900-talets största restaureringar - från genomgripande stilrestaureringar till ett mer återhållsamt och tekniskt skon­samt synsätt. Därmed får vi också ett bättre underlag även för dagens ställningsta­gande.Föremål för våra studier är Uppsala domkyrka, Gripsholms slott, Vreta kloster­kyrka, Gustav 11I:s paviljong i Haga, Kungapalatset i Vadstena och Skoklosters slott. Vi hoppas att denna utställning skall bidra till en kritisk hållning och en ökad kunskap om restaureringskonsten, som kvalificerad yrkesuppgift, tidsspegel för historiesyn och som gestaltningsideal.</p>
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2.
  • Arnsrud Godtman, Rebecka, et al. (författare)
  • Development and validation of a prediction model for identifying men with intermediate- or high-risk prostate cancer for whom bone imaging is unnecessary : a nation-wide population-based study
  • 2019
  • Ingår i: Scandinavian journal of urology. - 2168-1805 .- 2168-1813. ; 53:6, s. 378-384
  • Tidskriftsartikel (refereegranskat)abstract
    • <p><strong>Objective:</strong> To develop and validate a nomogram that identifies men for whom bone scan is unnecessary.</p><p><strong>Material and methods:</strong> The study datasets were derived from the National Prostate Cancer Register (NPCR) of Sweden. All men in the NPCR ≤80 years of age who were diagnosed with intermediate- or high-risk prostate cancer and who had pretreatment bone imaging (<sup>99m</sup>Tc MDP scintigraphy, plain x-ray, computed tomography, magnetic resonance imaging, and/or positron emission tomography fused with computed tomography) were included. Men diagnosed from 2015–2016 formed a development dataset and men diagnosed in 2017 formed a validation dataset. Outcome was metastasis on bone imaging as registered in NPCR. Multivariable logistic regression was used to develop a nomogram.</p><p><strong>Results:</strong> In the development dataset 482/5084 men (10%) had bone metastasis, the corresponding percentage in the validation dataset was 282/2554 (11%). Gleason grade group, clinical T stage, and prostate-specific antigen were included in the final model. Discrimination and calibration were satisfactory in both the development (AUC 0.80, 95% CI 0.78–0.82) and validation dataset (AUC 0.80, 95% CI, 0.77–0.82). Compared with using the EAU guidelines’ recommendation for selecting men for imaging, using the nomogram with a cut-off at 4% chance of bone metastasis, would have avoided imaging in 519/2068 men (25%) and miss bone metastasis in 10/519 (2%) men in the validation dataset.</p><p><strong>Conclusion:</strong> By use of our nomogram, bone scans of men with prostate cancer can be avoided in a large proportion of men.</p>
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3.
  • Benedek, Peter, et al. (författare)
  • Quantifying Diffusion through Interfaces of Lithium-Ion Battery Active Materials
  • 2020
  • Ingår i: ACS Applied Materials and Interfaces. - American Chemical Society (ACS). - 1944-8244 .- 1944-8252. ; 12:14, s. 16243-16249
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Detailed understanding of charge diffusion processes in a lithium-ion battery is crucial to enable its systematic improvement. Experimental investigation of diffusion at the interface between active particles and the electrolyte is challenging but warrants investigation as it can introduce resistances that, for example, limit the charge and discharge rates. Here, we show an approach to study diffusion at interfaces using muon spin spectroscopy. By performing measurements on LiFePO4 platelets with different sizes, we determine how diffusion through the LiFePO4 (010) interface differs from that in the center of the particle (i.e., bulk diffusion). We perform ab initio calculations to aid the understanding of the results and show the relevance of our interfacial diffusion measurement to electrochemical performance through cyclic voltammetry measurements. These results indicate that surface engineering can be used to improve the performance of lithium-ion batteries.</p>
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4.
  • Benedek, Peter, et al. (författare)
  • Quantifying Diffusion through Interfaces of Lithium-Ion Battery Active Materials
  • 2020
  • Ingår i: ACS Applied Materials & Interfaces. - 1944-8252 .- 1944-8244. ; 12:14, s. 16243-16249
  • Tidskriftsartikel (refereegranskat)abstract
    • Detailed understanding of charge diffusion processes in a lithium-ion battery is crucial to enable its systematic improvement. Experimental investigation of diffusion at the interface between active particles and the electrolyte is challenging but warrants investigation as it can introduce resistances that, for example, limit the charge and discharge rates. Here, we show an approach to study diffusion at interfaces using muon spin spectroscopy. By performing measurements on LiFePO4 platelets with different sizes, we determine how diffusion through the LiFePO4 (010) interface differs from that in the center of the particle (i.e., bulk diffusion). We perform ab initio calculations to aid the understanding of the results and show the relevance of our interfacial diffusion measurement to electrochemical performance through cyclic voltammetry measurements. These results indicate that surface engineering can be used to improve the performance of lithium-ion batteries.
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5.
  • Cassinger, Cecilia, et al. (författare)
  • Geographies of fear – communicating safety in urban destinations
  • 2019
  • Ingår i: The 4th Annual Conference of the International Place Branding Association ,Volos, Greece,2019-11-27 - 2019-11-29.
  • Konferensbidrag (refereegranskat)abstract
    • Countering fear and promoting experiences of security and safety among visitors are key issues in creating socially sustainable urban destinations. Security branding is a growing place branding paradigm through which to enhance experiences and perceptions of safety in cities, nations and regions (Coaffee and Van Ham, 2008; Coaffee and Rogers, 2008; Avraham and Ketter, 2008). This paper discusses how brand communication can be incorporated in urban policy and planning to accomplish socially sustainable city centres. Our focus is on relation between the mediatisation of cities and perceptions and experiences of safety among domestic and international visitors. Recent terror attacks, political unrest, and violent conflicts in many European countries are highly mediatised events (Couldry and Hepp, 2018) that influence images of urban destinations, which are particularly vulnerable to rumours and images circulating in media (Avraham, 2009; Avraham and Ketter, 2008). The study focuses on 10 Swedish urban destinations. Sweden is an interesting case in point due to high levels of media coverage, which is characterised by polarised narratives concerning the country as a utopia respectively dystopia (see e.g. Rapacioli, 2018). The research questions we seek to answer concern 1) how perceptions of safety are influenced by the image of Sweden conveyed on online news and social media (Instagram and Twitter) platforms, and 2) the relation between visitors’ overall image of the destinations and their experiences of safety. The research questions are addressed by a mixed methods approach using survey methods and media analysis to capture the role of place image for visitors’ perceptions and experiences of safety. The findings demonstrate that the mediatisation of the country of Sweden follows narratives of safety respectively unsafety, which influence the way Swedish cities are perceived. Furthermore, findings indicate a correlation between positive city image and high levels of perceived safety among visitors. The paper discusses these findings in relation to social sustainability and proposes communicative strategies to handle and counter fears in urban destinations. References Avraham, E. and Ketter, E. (2008), “Will we be safe there? Analysing strategies for altering unsafe place images”, Place Branding and Public Diplomacy, Vol. 4 No. 3, pp. 196-204. Avraham, E. (2009), “Marketing and managing nation branding during prolonged crisis: The case of Israel”, Place Branding and Public Diplomacy, Vol. 5 No. 3, pp. 202-212. Coaffee, J., & Rogers, P. (2008), “Reputational risk and resiliency: The branding of security in place-making”, Place Branding and Public Diplomacy, Vol. 4 No. 3, pp. 205-217. Coaffee, J., & Van Ham, P. (2008), “‘Security branding’: The role of security in marketing the city, region or state”, Place Branding and Public Diplomacy, Vol. 4 No. 3, pp. 191-195. Couldry, N. and Hepp, A. (2018), “The continuing lure of the mediated centre in times of deep mediatization: Media Events and its enduring legacy”, Media, Culture & Society, Vol. 40 No. 1, pp. 114–117. Rapacioli, P. (2018), Good Sweden, Bad Sweden: The use and abuse of Swedish values in a post-truth world. Stockholm: Volante.
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6.
  • Cassinger, Cecilia, et al. (författare)
  • Geographies of fear – visitors’ perceptions of safety in urban destinations
  • 2019
  • Ingår i: 28th Nordic Symposium on Tourism and Hospitality Research ,Roskilde, Denmark,2019-10-23 - 2019-10-25.
  • Konferensbidrag (refereegranskat)abstract
    • Countering fear and promoting experiences of security and safety among visitors are key issues in creating socially sustainable urban destinations. Security branding is a growing place branding paradigm through which to enhance experiences and perceptions of safety in cities, nations and regions (Coaffee and Van Ham, 2008; Coaffee and Rogers, 2008; Avraham and Ketter, 2008). This paper discusses how brand communication can be incorporated in urban policy and planning to accomplish socially sustainable city centres. Our focus is on relation between the mediatisation of cities and perceptions and experiences of safety among domestic and international visitors. Recent terror attacks, political unrest, and violent conflicts in many European countries are highly mediatised events (Couldry and Hepp, 2018) that influence images of urban destinations, which are particularly vulnerable to rumours and images circulating in media (Avraham, 2009; Avraham and Ketter, 2008). The study focuses on 10 Swedish urban destinations. Sweden is an interesting case in point due to high levels of media coverage, which is characterised by polarised narratives concerning the country as a utopia respectively dystopia (see e.g. Rapacioli, 2018). The research questions we seek to answer concern 1) how perceptions of safety are influenced by the image of Sweden conveyed on online news and social media (Instagram and Twitter) platforms, and 2) the relation between visitors’ overall image of the destinations and their experiences of safety. The research questions are addressed by a mixed methods approach using survey methods and media analysis to capture the role of place image for visitors’ perceptions and experiences of safety. The findings demonstrate that the mediatisation of the country of Sweden follows narratives of safety respectively unsafety, which influence the way Swedish cities are perceived. Furthermore, findings indicate a correlation between positive city image and high levels of perceived safety among visitors. The paper discusses these findings in relation to social sustainability and proposes communicative strategies to handle and counter fears in urban destinations. Keywords: place image, urban destinations, branding security, social sustainability, mediatisation References Avraham, E. and Ketter, E. (2008), “Will we be safe there? Analysing strategies for altering unsafe place images”, Place Branding and Public Diplomacy, Vol. 4 No. 3, pp. 196-204. Avraham, E. (2009), “Marketing and managing nation branding during prolonged crisis: The case of Israel”, Place Branding and Public Diplomacy, Vol. 5 No. 3, pp. 202-212. Coaffee, J., & Rogers, P. (2008). “Reputational risk and resiliency: The branding of security in placemaking”, Place Branding and Public Diplomacy, Vol. 4 No. 3, pp. 205-217. Coaffee, J., & Van Ham, P. (2008). “‘Security branding’: The role of security in marketing the city, region or state”, Place Branding and Public Diplomacy, Vol. 4 No. 3, pp. 191-195. Couldry, N. and Hepp, A. (2018), “The continuing lure of the mediated centre in times of deep mediatization: Media Events and its enduring legacy”, Media, Culture & Society, Vol. 40 No. 1, pp. 114–117. Rapacioli, P. (2018), Good Sweden, Bad Sweden: The use and abuse of Swedish values in a posttruth world. Stockholm: Volante.
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7.
  • Cassinger, Cecilia, et al. (författare)
  • Mediatization of terror attacks and city brand image: A study of the Stockholm attack and the ’Last Night in Sweden’ event
  • 2018
  • Ingår i: The 3rd Annual Conference of the International Place Branding Association,Macau, China,2018-12-05 - 2018-12-07.
  • Konferensbidrag (refereegranskat)abstract
    • There is a growing interest within place branding research for how experiences of safety influence the image of the city (e.g. Coaffee and Van Ham, 2008).Previous research demonstrates that fear is socially constructed and amplified by mass media (Avraham and Ketter, 2008) and social media (Doosti et al., 2016; Jansson, 2018). The realm of media has become more complex in an era characterised as posttruth in which ”objective facts are less influential in shaping public opinion than appeals to emotion and personal belief” (Oxford Dictionaries, 2016).The research aim in this paper is to examine the mechanisms of how terror attacks in urban environments are mediatized and the consequences for city image. The paper analyses two instances of terror in two Swedish cities as media events (Couldry and Hepp, 2018). The first instance concern the deadly terror attack in Stockholm, 2017, whereas the second instance refer to Donald Trump’s statement of a false terror attack in Malmo. Lefebvre’s (2004) rhythmanalysis approach is adopted to investigate rhythms of Twitter and online news flows. The study demonstrates that the mediatization of the rumored attack in Malmo had greater impact on city image than the actual one. At the time of the event, Malmo city suffered from a negative image, which made the city vulnerable to extremist and populist media narratives. The celebrity status ofTrump and circulation of exaggerated news about Sweden also created much negative publicity and attention. The ambiguity around what had happened open up aspace in which fantasies and conspiracy theories could grow. Real and imaginary elements were woven together in an almost phantasmal way. By contrast, in the Stockholm case there was no ambiguity with regards to the attack and the image of the city was relatively quickly restored.
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8.
  • Cassinger, Cecilia, et al. (författare)
  • The mediatized tourism city under terror: Dilemmas and strategies for destination management organisations
  • 2018
  • Ingår i: Nordic Symposium on Tourism and Hospitality Research,Alta, Norway,2018-09-24 - 2018-11-26.
  • Konferensbidrag (refereegranskat)abstract
    • The concern of this paper is with the mediatisation of tourism cities through fast circulating narratives on digital platforms in an era characterised as post-truth involving the spread of fake news and disinformation. Hence far, there is scarce knowledge on how misleading information and false rumours concerning terrorism affect the image of tourism cities. In addition, extant research studies predominately concern image in destinations, which are in a permanent state of crisis or war. Less is known of cities that are randomly subjected to terrorist attacks. The research aim in the paper is therefore to advance the knowledge of the narrative rhythm of the mediatized destination in the aftermath of an actual terror attack in contrast to a false one. A mixed-methods approach is used to examine the event trend of online search traffic, Twitter data, and news in the aftermath of the Stockholm terror attack, and President Trump’s misleading claim of a non-existing terror attack in the city of Malmö in Sweden during 2015. Emerging narratives in different stages of the course of these events were identified and analysed. In the false case a broad range of stories emerged quickly which tried to establish a dominant narrative of the city. Whereas in the real case, the emerging narratives are more condensed and related to the event. The study contributes with novel knowledge on the role played by disinformation in the mediatisation of cities. The study raises questions to the need and importance for destination management organisations to handle and respond to disinformation in false events.
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9.
  • Cassinger, Cecilia, et al. (författare)
  • The narrative rhythm of terror: : A study of the Stockholm terrorist attack and the 'Last Night in Sweden' event
  • 2018
  • Ingår i: International Journal of Tourism Cities. - Emerald Group Publishing Limited. - 2056-5607. ; 4:4, s. 484-494
  • Tidskriftsartikel (refereegranskat)abstract
    • PurposeThe purpose of this paper is to examine how the mediatisation of terror attacks affects the brand image of tourism cities.Design/methodology/approachInformed by theories of mediatisation and space, the study analyses two different types of terror attacks in Sweden during 2017 as media events. The focus of analysis is on identifying spatial and temporal patterns that underpin the narrative rhythm of the discussions of the events on Twitter and online news platforms.FindingsThe findings demonstrate that the unfolding of the events can be divided into three phases of varying intensity in rhythm and implications for city brand image. The manifestation of an imaginary terror attack in a digital environment had a greater impact on the narratives of the city than an actual one.Research limitations/implicationsRythmanalysis is introduced as a useful device to examine how urban space is mediatised through social media and online news flows.Originality/valueThe study contributes with novel knowledge on the mediatisation of city space on digital media platforms in a post-truth world. It shows that city administrations need to deal with both real and imaginary terror attacks, especially when there is an already established negative image of the city.
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10.
  • Dawaigher, Sami, et al. (författare)
  • A Protocol for the exo-Mono and exo,exo-Bis Functionalization of the Diazocine Ring of Tröger's Base.
  • 2015
  • Ingår i: Journal of Organic Chemistry. - The American Chemical Society (ACS). - 1520-6904. ; 80:24, s. 12006-12014
  • Tidskriftsartikel (refereegranskat)abstract
    • An efficient protocol has been developed for the exo-mono and exo,exo-bis functionalization of Tröger's base in the benzylic 6 and 12 positions of the diazocine ring. The lithiation of Tröger's base using s-BuLi/TMEDA followed by electrophilic quench affords exo-mono- and exo,exo-bis-substituted derivatives of Tröger's base in good to excellent yields. The variation of the number of equivalents of s-BuLi/TMEDA and the order of addition of the electrophile strongly govern the outcome of the reaction for each electrophile.
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