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Träfflista för sökning "WFRF:(Johansson Mikael) srt2:(2005-2009);srt2:(2005)"

Search: WFRF:(Johansson Mikael) > (2005-2009) > (2005)

  • Result 61-62 of 62
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61.
  • Wallner, Fredrik K., et al. (author)
  • Solid-phase synthesis of serine-based glycosphingolipid analogues for preparation of glycoconjugate arrays
  • 2005
  • In: Organic and biomolecular chemistry. - London : Royal Society of Chemistry. - 1477-0520 .- 1477-0539. ; 3:2, s. 309-315
  • Journal article (peer-reviewed)abstract
    • Synthetic glycolipids with defined structures are important tools in the study of glycolipid biology. In this paper we describe a solid-phase synthesis of three galactosylated serine-based glycosphingolipid analogues using the novel linker 2-fluoro-4-(hydroxymethyl)-phenoxyacetic acid. Gel-phase 19F-NMR spectroscopy was used to measure the yield and stereochemical outcome of the solid-phase glycosylations. Under NIS–TfOH promotion, α- and β-selective glycosylations were performed at room temperature with thioglycoside donors carrying fluorine labelled protective groups. Finally, the glycolipids were covalently linked to microtiter plates and labelled lectins with different selectivity for α- and β-galactosides could bind to the glycolipid arrays.
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62.
  • Xiao, L., et al. (author)
  • Joint optimization of wireless communication and networked control systems
  • 2005
  • In: SWITCHING AND LEARNING IN FEEDBACK SYSTEMS. - Berlin, Heidelberg : Springer Berlin Heidelberg. ; , s. 248-272
  • Conference paper (peer-reviewed)abstract
    • We consider a linear system, such as an estimator or a controller, in which several signals are transmitted over wireless communication channels. With the coding and medium access schemes of the communication system fixed, the achievable bit rates axe determined by the allocation of communications resources such as transmit powers and bandwidths, to different channels. Assuming conventional uniform quantization and a standard white-noise model for quantization errors, we consider two specific problems. In the first, we assume that the linear system is fixed and address the problem of allocating communication resources to optimize system performance. We observe that this problem is often convex (at least, when we ignore the constraint that individual quantizers have an integral number of bits), hence readily solved. We describe a dual decomposition method for solving these problems that exploits the problem structure. We briefly describe how the integer bit constraints can be handled, and give a bound on how suboptimal these heuristics can be. The second problem we consider is that of jointly allocating communication resources and designing the linear system in order to optimize system performance. This problem is in general not convex. We present an iterative heuristic method based on alternating convex optimization over subsets of variables, which appeaxs to work well in practice.
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  • Result 61-62 of 62
Type of publication
journal article (29)
conference paper (24)
reports (5)
doctoral thesis (3)
book chapter (1)
Type of content
peer-reviewed (46)
other academic/artistic (16)
Author/Editor
Johansson, Mikael (13)
Nilsson, Johan (6)
Laurell, Thomas (6)
Johansson, Stefan (6)
Almqvist, Monica (6)
Lilliehorn, Tobias (5)
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Evander, Mikael (5)
Johansson, Gunnar (4)
Johansson, Linda (4)
Håkansson, Mikael, 1 ... (4)
Johansson, S (3)
Ställberg, Björn (3)
Lisspers, Karin (3)
Johansson, Jimmy (3)
Mecklinger, Axel (3)
Jern, Mikael, 1946- (3)
Käll, Mikael, 1963 (2)
Johansson, A (2)
Östling, Mikael (2)
Björk-Eriksson, Thom ... (2)
Karlsson, Mikael (2)
Wennergren, Göran, 1 ... (2)
Johansson, Karl Henr ... (2)
Zackrisson, Björn (2)
Davidsson, Paul (2)
Svärdsudd, Kurt (2)
Hasselgren, Mikael, ... (2)
Johansson, Peter, 19 ... (2)
Löfström, Mikael, 19 ... (2)
Hellström, Mikael, 1 ... (2)
Elofsson, Mikael (2)
Johansson, Mikael, 1 ... (2)
Xu, Hongxing (2)
Johansson, Staffan, ... (2)
Voldman, Joel (2)
Svahnberg, Mikael (2)
Benson, Mikael, 1954 (2)
Jensen, Klavs F. (2)
Harrison, D. Jed (2)
Cooper, Matthew, 196 ... (2)
Hasselgren, Mikael (2)
Simu, Urban (2)
Johansson, Stefan J. (2)
Roupé, Mattias, 1975 (2)
Flärdh, Oscar (2)
Wingstrand, Erica (2)
Han, Jongyoon (2)
Treese, Anne-Cécile (2)
Keen, Christina (2)
Johansson, Anna, 197 ... (2)
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University
Lund University (16)
University of Gothenburg (14)
Royal Institute of Technology (14)
Uppsala University (13)
Chalmers University of Technology (8)
Linköping University (7)
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Umeå University (5)
Karolinska Institutet (4)
Stockholm University (2)
Örebro University (2)
Blekinge Institute of Technology (2)
Linnaeus University (1)
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Language
English (58)
Swedish (3)
Undefined language (1)
Research subject (UKÄ/SCB)
Engineering and Technology (18)
Natural sciences (16)
Medical and Health Sciences (10)
Social Sciences (7)
Humanities (1)
Year
2005 (62)Undo refine

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