| 1. |
- Grossman, Alyssa, 1973
(författare)
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Forgotten Domestic Objects: Capturing Involuntary Memories in Post-communist Bucharest
- 2015
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Ingår i: Home Cultures. - : Informa UK Limited. - 1740-6315 .- 1751-7427. ; 12:3, s. 291-310
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Tidskriftsartikel (refereegranskat)abstract
- This article presents an experimental anthropological method for researching memories about the communist past in Bucharest, Romania. Focusing on collections of ordinary objects in individual households, it examines how domestic spaces function not solely as repositories for artifacts of remembrance, but as containers for things that have been forgotten. Viewing these items as triggers of Proustian/Benjaminian ‘involuntary’ or inadvertent memories, rather than intentionally commemorative souvenirs, I explore how these new encounters offer alternative insights into perceptions of Romania’s past, present, and future. Such an approach reveals forms and contents of remembrance work that counter dominant academic and popular discourses about how Romanians are currently reflecting upon their communist past.
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| 2. |
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| 3. |
- Zamaratskaia, Galia
(författare)
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Comparison of cytochrome P450 concentrations and metabolic activities in porcine hepatic microsomes prepared with two different methods
- 2011
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Ingår i: Toxicology in Vitro. - : Elsevier BV. - 0887-2333 .- 1879-3177. ; 25, s. 343-346
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Tidskriftsartikel (refereegranskat)abstract
- In the present study, porcine liver microsomes prepared by a conventional ultracentrifugation method were compared with microsomes prepared by a calcium aggregation method. Protein concentrations and activities of several cytochrome P450 enzymes were measured. It was concluded that using a calcium aggregation method for microsome preparation resulted in lower activities of porcine 7-ethoxyresorufin O-deethylase (EROD), 7-methoxyresorufin O-demethylase (MROD), 7-pentoxyresorufin O-depentylase (PROD) and p-nitrophenol hydroxylase (PNPH), compared to ultracentrifugation. Protein concentrations of CYP1A2 and CYP2E1, measured by Western blot, were similar in the microsomes prepared by the two methods, whereas CYP2A protein concentrations were significantly lower in the microsomes prepared by the calcium aggregation method. The choice of homogenization buffer (IRIS with addition of either 250 mM sucrose or 2 mM EDTA) did not affect either individual CYP450 protein concentration or the rates of CYP450-mediated reactions. Freeze/thawing of microsomes did not affect the activities of EROD, MROD, COH and PNPH in the microsomes, indicating the stability of the measured isoforms following three cycles of freezing/thawing. A reduction in the activity of PROD was observed after the third freeze/thawing cycles of the microsomes prepared by both methods. (C) 2010 Elsevier Ltd. All rights reserved.
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| 4. |
- Sammelin, Monika
(författare)
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The nature of gold in the Aitik Cu-Au deposit : implications for mineral processing and mine planning
- 2011
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The Aitik mine is a large Cu-Au producer in Europe with an annual production of 28 million tons of ore and a planned expansion of production to 36 million tons of ore until year 2013. Large ongoing investments are done in the mine and a new processing plant is built to manage the capacity increase. The mine is situated 15 kilometers from the town Gällivare, in northern Norrbotten, Sweden. The ore is a large porphyry type deposit with low grades of disseminated copper (0,27 %) and gold (0,16 ppm). Porphyry copper ores usually have low recoveries when flotation is used as an extraction method and also the Aitik mine has shown historically low gold recoveries (< 50 %).The Aitik deposit is situated in 1.9 Ga Svecofennian volcanic and sedimentary rocks formed in a volcanic arc environment and later deformed and metamorphosed at amphibolite facies. The main ore zone consists of biotite and muscovite schist and gneisses. A thrust fault divides the main ore zone from the hanging wall that contains feldspar biotite amphibole gneiss. In the footwall the feldspar biotite amphibole gneiss also is found and an intrusion of quartz montzodiorite.In this study, horizontal and vertical zoning patterns were recognized in data based on the block model that consist of drill cores and drill ship samples since the mine started 1968. The vertical zoning shows a decrease in high (> 0,6 % Cu) copper grade areas and an increase in high (>0,3 ppm Au) areas towards the depth. An increase in the amphibole content is seen in the biotite gneiss towards depth. The gold mineralized areas are trending northeasterly and plunging northeast, and for copper north-northwest. The horizontal zoning can be seen in the middle of the ore zone where a high-grade area of disseminated sulfides in potassic altered biotite gneiss/schist exists. Further towards the hanging wall, a low grade, strongly sericite altered and pyrite-rich schist is common.Gold-rich areas are found close to the hanging wall in strongly sericite schist altered rock and in a part of a biotite schist that are strongly affected by K feldspar and epidote alteration and quartz and pyrite growth, but also in the amphibole rich parts close to the footwall. Copper dominated mineralization is mainly developed towards the hanging wall, as disseminated and massive veins of chalcopyrite. The rich dissemination in the centre of the ore body is suggested to be a part of the primary mineralization, and the locally higher concentrations in veins would originate from later remobilization. To get a better knowledge of how gold occurs at Aitik and how to increase the gold recovery during mining a detailed mineralogical investigation was done. This revealed that there is a change in gold associations towards depth. Commonly associated minerals with gold at 600 m and below are K-feldspar, biotite, plagioclase, quartz, chalcopyrite and pyrite. At higher levels in the mine gold is most commonly associated with chalcopyrite and pyrite. There is also a change in gold content in alloys towards depth where the gold decreases in electrum and amalgam but the amount of native gold grains increases. As the average gold and copper grades are relatively constant at the different levels in the mine this means that the gold associations that are not connected to sulfides (chalcopyrite) are going to tailings from the deeper part of the mine and the gold recovery as a consequence is lower today. Some other copper-gold deposits have implemented several different recovery methods to extract the gold from the ore, an example from Bajo de la Alumbrera (Chryssoulis 2001), Argentina with a similar ore type as Aitik have a combination of gravity and flotation in their recovery process. Based on the results on the mineralogy and the mineral associations it would be possible to combine additional recovery methods as gravimetric methods to the flotation that are used today. Lime used in the process might have a depressive affect on gold and should be further investigated. The Aitik deposit is interpreted to have a mixed origin, with an early porphyry copper style of mineralization overprinted by a later and minor iron-oxide Cu-Au (IIOCG) system (Wanhainen 2005). Gold bearing fluids at Aitik were compared with those at the minor epigenetic Cu-Au deposits Liikavaara East, Fridhem, Jårbojoki and Muorjevaara, that occur in the Nautanen deformation zone. According to earlier studies high salinity fluids are connected to the copper mineralization and in this study a connection between gold and CO2 is suggested based on the positive correlation between CO2 and gold that could be found in all deposits. However, the carbonic fluids varied in composition and includes pure CO2, CO2-CH4, CO2-H2O, or CO2 present as calcite in aqueous inclusions. The highest gold grades were associated with CO2 in silicates and CO2-CH4 in sulphides.
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| 5. |
- Emanuelsson-Paulson, Therese, fil.dr, 1983-
(författare)
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The Queen’s choice or the son’s political propaganda: the introduction of the Pergamene style of architecture
- 2022
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Konferensbidrag (refereegranskat)abstract
- The inscription on the Sanctuary of Demeter in Pergamon states that it was dedicated by Queen Apollonis, spouse of king Attalus I and the mother of the two succeeding kings Eumenes II and Attalus II. Exactly when this building project was constructed and if it was really constructed by the queen, or her sons has long been discussed, but it was probably built slightly earlier than Eumenes II’s large construction program. It was a fitting building project to undertake as a queen, being both a sanctuary and to a female goddess. The construction of sanctuary introduces a new column shaft shape, the polygonal column. Polygonal columns quickly became fashionable and commonly used in Pergamon, both the town and the newly largely expanded kingdom. Even if the Queen’s constructions of the sanctuary still remains unfinished, the stoa and the propylon introduces this new architectural style of polygonal columns in Pergamon, which under Queen Apollonis son Eumenes II becomes part his grand project of creating the new royal architectural style used in the large expansions of the town to become a metropole befitting for his greatly expanded kingdom. The largely used polygonal columns in the Pergamene architectural style was therefore probably selected and introduced by a woman, the Queen Apollonis.
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| 6. |
- Schmidt, Catarina, 1964-
(författare)
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Kulturakuten som en praktikgemenskap kring barnlitteratur : ”Här kommer vi rakt in tillsammans!”
- 2021
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Ingår i: Pedagogisk forskning i Sverige. - : Linnéuniversitetet. - 1401-6788 .- 2001-3345. ; 26:4
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Tidskriftsartikel (refereegranskat)abstract
- En ökande andel barn i Sverige läser i liten grad eller inte alls böcker på sin fritid. Frågan kring vilka praktikgemenskaper kring barnlitteratur som barn faktiskt möter och involveras i under sina uppväxtår, är idag ytterst aktuell. Artikeln utgår från en fallstudie där den läsfrämjande insatsen Kulturakuten, som riktades mot barn inom fritidshemmets verksamhet, studerades i syfte att belysa de epistemologiska antaganden kring läsning som ligger till grund för denna. Utifrån observationer av insatsen samt genom fokusgruppintervjuer med deltagande barn och vuxna, analyserades den iscensatta praktiken med fokus på interaktion och talet om samma praktik. Resultatet visar att insatsen möjliggör upplevelsebaserad läsning kring berättelsens plats, karaktärer och dilemma, där möten med berättelsen, i linje med receptionsteoretisk forskning, ses som väsentligt, och på sätt där barnen aktivt deltar och utövar inflytande. Artikeln argumenterar för att läsförmåga är en sammansatt förmåga och att flera aspekter av läsning, som automatiserad avkodning av skrift, olika nivåer av läsförståelse, engagemang för att vilja läsa samt kritisk och analytisk läsning av visuell och auditiv information som kombineras skrift, behöver integreras när läspraktiker för barn utformas. I detta har den upplevelsebaserade läsningen, där barn aktivt deltar, en viktig roll. Detta då upplevelsebaserad läsning kan bli en brygga över till den reflekterande och kritiska läsningen samtidigt som den kan stödja barn i att fortsatt utveckla läsförmåga i linje med funktionell läsning. I detta arbete har barnlitteraturen en avgörande roll.
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| 7. |
- Dijkhorst, Phillip J., et al.
(författare)
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Core Set of Patient-Reported Outcome Measures for Measuring Quality of Life in Clinical Obesity Care
- 2024
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Ingår i: Obesity Surgery. - : Springer. - 0960-8923 .- 1708-0428. ; 34:8, s. 2980-2990
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: The focus of measuring success in obesity treatment is shifting from weight loss to patients' health and quality of life. The objective of this study was to select a core set of patient-reported outcomes and patient-reported outcome measures to be used in clinical obesity care.Materials and Methods: The Standardizing Quality of Life in Obesity Treatment III, face-to-face hybrid consensus meeting, including people living with obesity as well as healthcare providers, was held in Maastricht, the Netherlands, in 2022. It was preceded by two prior multinational consensus meetings and a systematic review.Results: The meeting was attended by 27 participants, representing twelve countries from five continents. The participants included healthcare providers, such as surgeons, endocrinologists, dietitians, psychologists, researchers, and people living with obesity, most of whom were involved in patient representative networks. Three patient-reported outcome measures (patient-reported outcomes) were selected: the Impact of Weight on Quality of Life-Lite (self-esteem) measure, the BODY-Q (physical function, physical symptoms, psychological function, social function, eating behavior, and body image), and the Quality of Life for Obesity Surgery questionnaire (excess skin). No patient-reported outcome measure was selected for stigma.Conclusion: A core set of patient-reported outcomes and patient-reported outcome measures for measuring quality of life in clinical obesity care is established incorporating patients' and experts' opinions. This set should be used as a minimum for measuring quality of life in routine clinical practice. It is essential that individual patient-reported outcome measure scores are shared with people living with obesity in order to enhance patient engagement and shared decision-making.
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| 8. |
- Roozbeh, Amir, 1983-
(författare)
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Distributed Cloud and De-centralized Control Plane : A Proposal for Scalable Control Plane for 5G
- 2015
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Ingår i: Proceedings - 2015 IEEE/ACM 8th International Conference on Utility and Cloud Computing, UCC 2015. - : Institute of Electrical and Electronics Engineers (IEEE). - 9780769556970 ; , s. 348-353
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Konferensbidrag (refereegranskat)abstract
- 5G is the next generation of mobile network. There are many requirements on 5G, such as high capacity, low latency, flexibility, and support for any-to-any communication. Cloud technology, in the form of a distributed cloud (also known as a network embedded cloud), is an enabler technology for 5G by allowing flexible networks that meet different user application requirements. On the other hand, Machine Type Communication (MTC) is a primary application for 5G, but it can add a high volume of control signaling. To manage the expected high volume of control signaling introduced by MTC, we identified the main control events that generate signaling messages in the network. Then, we proposed a decentralized core network architecture optimized for the identified control events. The proposed control plane functions are independent in the sense that each can be executed separately. The control functions can utilize the distributed cloud to manage the enormous amount of control signaling by handling this signaling locally. Additionally, we present an analysis of the control signaling performance for each proposed control function. We conclude that it is beneficial to move session management to data centers collocated with the BS on 5G network when there is high user density.
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| 9. |
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| 10. |
- Voytenko, Volodymyr, et al.
(författare)
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Components of a system for automatic detection of a zone of interest in images obtained from a UAV
- 2023
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Ingår i: Technical Sciences and Technologies. - 2411-5363. ; 32:2, s. 300-312
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Tidskriftsartikel (refereegranskat)abstract
- To reduce the load on the UAV operator during long-term search and rescue missions, an on-board automatic system is considered that generates control signals for positioning an additional video camera with a narrow field of view. The requirements for the system of automatic detection of the area of interest are defined. Various methods for detecting objects in images are considered, analyzed and compared. Software and hardware tools are discussed, which are advisable to use in the preparation and conduct of experimental studies.
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