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Träfflista för sökning "WFRF:(Höglund K.) srt2:(2000-2004)"

Sökning: WFRF:(Höglund K.) > (2000-2004)

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1.
  • Bjarnadóttir, Thóra K., et al. (författare)
  • The human and mouse repertoire of the adhesion family of G-protein-coupled receptors
  • 2004
  • Ingår i: Genomics. - : Elsevier BV. - 0888-7543 .- 1089-8646. ; 84:1, s. 23-33
  • Tidskriftsartikel (refereegranskat)abstract
    • The adhesion G-protein-coupled receptors (GPCRs) (also termed LN-7TM or EGF-7TM receptors) are membrane-bound proteins with long N-termini containing multiple domains. Here, 2 new human adhesion-GPCRs, termed GPR133 and GPR144, have been found by searches done in the human genome databases. Both GPR133 and GPR144 have a GPS domain in their N-termini, while GPR144 also has a pentraxin domain. The phylogenetic analyses of the 2 new human receptors show that they group together without close relationship to the other adhesion-GPCRs. In addition to the human genes, mouse orthologues to those 2 and 15 other mouse orthologues to human were identified (GPR110, GPR111, GPR112, GPR113, GPR114, GPR115, GPR116, GPR123, GPR124, GPR125, GPR126, GPR128, LEC1, LEC2, and LEC3). Currently the total number of human adhesion-GPCRs is 33. The mouse and human sequences show a clear one-to-one relationship, with the exception of EMR2 and EMR3, which do not seem to have orthologues in mouse. EST expression charts for the entire repertoire of adhesion-GPCRs in human and mouse were established. Over 1600 ESTs were found for these receptors, showing widespread distribution in both central and peripheral tissues. The expression patterns are highly variable between different receptors, indicating that they participate in a number of physiological processes.
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3.
  • Stenerlöw, B, et al. (författare)
  • Radiation quality dependence of DNA damage induction.
  • 2002
  • Ingår i: Radiation protection dosimetry. - 0144-8420. ; 99:1-4, s. 137-41
  • Tidskriftsartikel (refereegranskat)abstract
    • Analysis of DNA fragmentation and repair in relation to radiation quality may give important information about the role of break complexity and correlated double strand breaks (DSBs). DNA fragment analysis was performed by pulsed-field gel electrophoresis after exposure to different radiation qualities. Normal human fibroblasts were irradiated with boron ions (40, 80 and 160 keV.micron-1), nitrogen ions (80, 125, 175 and 225 keV.micron-1) and neon ions (225 and 300 keV.micron-1). The amount of DNA less than 1.1 Mbp decreased with increasing linear energy transfer (LET) for all three ions. When theoretical random distributions were subtracted from the experimental data for 225 keV.micron-1 nitrogen ions in all size intervals (5-5700 kbp), there was a significant non-random distribution of DSBs for sizes up to 1-3 Mbp. This non-random distribution of breaks, probably produced by intra-track correlated DSBs, may constitute a substantial portion of the high-LET induced DSBs.
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4.
  • Svensson, Birgitta, et al. (författare)
  • Tribology under refining conditions : initial studies
  • 2003
  • Ingår i: 2003 International Mechanical Pulping Conference. - : PAPTAC. - 1896742866 ; , s. 233-237
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • The refining process is not yet fully understood and more fundamental knowledge is a key to improvements in the future. A tribological view on refining could give new understanding and ideas for improvement of the process efficiency. This paper presents a new apparatus for studying the frictional properties of wood under refining conditions. A laboratory scale friction tester has been constructed where friction tests can be carried out in a steam atmosphere under high temperature/pressure and with maximum sliding velocity as high as 200 m/s. Initial studies in room temperature show that the coefficient of friction is proportional to the moisture content of wood at a sliding velocity of 24 m/s and with a normal load of 8 N. Wood extractives lowered the friction on dry surfaces and especially at high sliding velocity. The lubricating capacity of a variety of different resin model components among the extractives was also examined, but no significant effects has been found on wood specimens of 30 and 70 % in moisture contents.
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  • Resultat 1-4 av 4

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