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Sökning: WFRF:(Olofsson Arne 1943 )

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1.
  • Olofsson, Arne, 1943-, et al. (författare)
  • Små ord, stora stötestenar. Om engelskans artikelsystem
  • 2010
  • Ingår i: På tal om språk. En introduktion till språkforskning för studenter. - Göteborg : University of Gothenburg. - 978-91-633-7054-0 ; s. 61-72
  • Bokkapitel (övrigt vetenskapligt)abstract
    • The chapter has two distinct parts, one (by Olofsson) presenting general information about the English definite and indefinite articles, past and present, the second (by Ohlander) presenting an investigation into the influence of students' first language on their ability to handle the English article system.
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2.
  • Boström, Pontus, 1982-, et al. (författare)
  • Hypoxia converts human macrophages into triglyceride-loaded foam cells.
  • 2006
  • Ingår i: Arteriosclerosis, thrombosis, and vascular biology. - 1524-4636. ; 26:8, s. 1871-6
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Atherosclerotic lesions have regions that are hypoxic. Because the lesion contains macrophages that are loaded with lipid, we investigated whether hypoxia can influence the accumulation of lipids in these cells. METHODS AND RESULTS: Exposure of human macrophages to hypoxia for 24 hours resulted in an increased formation of cytosolic lipid droplets and an increased accumulation of triglycerides. Exposure of the macrophages to oxidized low-density lipoprotein (oxLDL) increased the accumulation of cytosolic lipid droplets because of an increase in cellular cholesterol esters. The accumulation of lipid droplets in oxLDL-treated cells was further increased after hypoxia, caused by an increased level of triglycerides. Expression analyses combined with immunoblot or RT-PCR demonstrated that hypoxia increased the expression of several genes that could promote the accumulation of lipid droplets. Hypoxia increased the mRNA and protein levels of adipocyte differentiation-related protein (ADRP). It is well known that an increased expression of ADRP increases the formation of lipid droplets. Hypoxia decreased the expression of enzymes involved in beta-oxidation (acyl-coenzyme A synthetase and acyl-coenzyme A dehydrogenase) and increased the expression of stearoyl-coenzyme A desaturase, an important enzyme in the fatty acid biosynthesis. Moreover, exposure to hypoxia decreased the rate of beta-oxidation, whereas the accumulation of triglycerides increased. CONCLUSIONS: The results demonstrate that exposure of human macrophages to hypoxia causes an accumulation of triglyceride-containing cytosolic lipid droplets. This indicates that the hypoxia present in atherosclerotic lesions can contribute to the formation of the lipid-loaded macrophages that characterize the lesion and to the accumulation of triglycerides in such lesions.
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6.
  • Olofsson, Arne, 1943- (författare)
  • Affiliated to or affiliated with - an academic question
  • 2003
  • Ingår i: ORDAT. Åtta ordbildningsstudier publicerade av Sven-Göran Malmgren och Arne Olofsson. ; :22, s. 80-89
  • Tidskriftsartikel (övrigt vetenskapligt)abstract
    • Based on British and American corpus material, the article shows that there is a difference between BrE and AmE as to which preposition, "to" or with", the participle "affiliated" collocates with.
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7.
  • Olofsson, Arne, 1943- (författare)
  • Allmän språkkunskap - utile dulci
  • 1978
  • Ingår i: LMS-Lingua. ; 1978:1, s. 47-50
  • Tidskriftsartikel (övrigt vetenskapligt)abstract
    • The article presents the results of a favourable student evaluation of the subject "Allmän språkkunskap" (which deals with Classical word-formation and its influence) in Swedish upper secondary education.
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8.
  • Olofsson, Arne, 1943- (författare)
  • An endangered marker. On the loss of Swedish att after kommer and some parallels in English
  • 2007
  • Ingår i: Nordic Journal of English Studies (NJES). ; 6:1
  • Tidskriftsartikel (övrigt vetenskapligt)abstract
    • The Swedish infinitive marker "att" is disappearing after "kommer", the major construction for indicating future time. "Kommer" is originally a main verb, but the loss of the infinitive marker of the second verb in the phrase gives it the chief characteristic of an auxiliary, which makes the proecess one of grammaticalization. Based on a survey among Swedish students it is shown that both the age of speakers/writers and the syntax of the sentence in question are crucial factors for the choice between "att" and omission.
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10.
  • Olofsson, Arne, 1943-, et al. (författare)
  • Avvägning av stoffets delar i allmän språkkunskap
  • 1972
  • Bok (övrigt vetenskapligt)abstract
    • This booklet discusses the balance between different components in the subject "Allmän språkkunskap" in Swedish upper secondary education. It includes the results of large-scale testing.
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