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Sökning: WFRF:(Karpe F) > Kungliga Tekniska Högskolan

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1.
  • Gennser, Mikael, et al. (författare)
  • Effects of dietary lipids on frequency and force in atrial muscle at 10 MPa
  • 1987
  • Ingår i: Undersea biomedical research. - 0093-5387. ; 14:1, s. 31-43
  • Tidskriftsartikel (refereegranskat)abstract
    • Spontaneously beating atrial preparations, from rats fed different lipid diets, were compressed to 10 MPa. The following observations were made: Different lipid diets altered the ratio of omega-6/omega-3 polyunsaturated fatty acids of the cardiac phospholipids. Beating frequency and twitch tension at surface pressure was unaffected by the diets. Compression to 10 MPa caused a decrease in spontaneous beating frequency and an increased twitch tension in all preparations. The decrease in beating frequency was inversely related to the omega-6/omega-3 ratio. Pressure induced increase in twitch tension was not affected by the diets. N2O dissolved in the tissue bath solution partly counteracted the pressure-induced changes.
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2.
  • Gennser, Mikael, et al. (författare)
  • Effects of hyperbaric pressure and temperature on atria from ectotherm animals (Rana pipiens and Anguilla anguilla)
  • 1990
  • Ingår i: Comparative Biochemistry and Physiology - Part A. - : Elsevier BV. - 0300-9629. ; 95:2, s. 219-228
  • Tidskriftsartikel (refereegranskat)abstract
    • 1. Spontaneously beating atria from frogs (R. pipiens) and eels (A. anguilla) were compressed hydraulically to 10 MPa. Effects on beating frequency and twitch tension were studied. 2. At low temperatures (8-10 degrees C) compression to 10 MPa caused a slowing of the beat frequency. No effects were noted at higher temperatures (16-24 degrees C). Twitch tension was decreased by pressure at low temperatures and increased at high temperatures. 3. Differences were noted between preparations from cold and warm acclimatized frogs, and from silver and yellow eels, respectively. 4. The effect of temperature acclimatization on pressure and temperature sensitivity is discussed in relation to data on cardiac phospholipid fatty acid composition.
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  • Resultat 1-2 av 2
Typ av publikation
tidskriftsartikel (2)
Typ av innehåll
refereegranskat (2)
Författare/redaktör
Karpe, F (2)
Gennser, Mikael (2)
Ornhagen, H.C. (2)
Lärosäte
Kungliga Tekniska Högskolan  (2)Ta bort avgränsningen
Språk
Engelska (2)
Forskningsämne (UKÄ/SCB)
Medicin och hälsovetenskap (2)

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