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  1. No Access

    Article

    Regulation of repulsion versus adhesion by different splice forms of an Eph receptor

    Eph tyrosine kinase receptors and their membrane-bound ephrin ligands mediate cell interactions and participate in several developmental processes1,2,3,4. Ligand binding to an Eph receptor results in tyrosine pho...

    Johan Holmberg, Diana L. Clarke, Jonas Frisén in Nature (2000)

  2. No Access

    Chapter

    Local Galactic Evolution

    The evolution of the Solar neighbourhood is followed using a unique, magnitude complete and kinematically unbiased sample of 14,000 F, G, and K dwarfs. Metallicity, age, space motion and galactic orbits have b...

    Johan Holmberg, Birgitta Nordström in The Evolution of Galaxies (2003)

  3. No Access

    Article

    Local galactic evolution

    The evolution of the Solar neighbourhood is followed using a unique, magnitude complete and kinematically unbiased sample of 14,000 F, G, and K dwarfs. Metallicity, age, space motion and galactic orbits have b...

    Johan Holmberg, Birgitta NordstrÖm in Astrophysics and Space Science (2003)

  4. No Access

    Article

    A Study of the Functionalities of the Phases in Mo–V–Nb–Te Oxides for Propane Ammoxidation

    Catalysts belonging to the Mo–V–Nb–Te–O system have been prepared with both a slurry method and hydrothermal synthesis and were tested for propane and propylene ammoxidation to acrylonitrile. All samples were ...

    Johan Holmberg, Robert K. Grasselli, Arne Andersson in Topics in Catalysis (2003)

  5. No Access

    Article

    Catalytic effects in propene ammoxidation achieved through substitutions in the M2 phase of the Mo–V–Nb–Te-oxide system

    M2-type phases M3TeO10 (M = Mo and V), belonging to the Mo–V–Nb–Te-oxide system, were prepared by substituting to various degrees the M-metal with W, Ti, Nb or Fe, and Te with Ce. The compositions were characteri...

    Johan Holmberg, Staffan Hansen, Robert K. Grasselli, Arne Andersson in Topics in Catalysis (2006)

  6. No Access

    Article

    Active centers, catalytic behavior, symbiosis and redox properties of MoV(Nb,Ta)TeO ammoxidation catalysts

    Selective as well as waste forming active centers were defined for MoVNbTeO and MoVTaTeO catalysts in the ammoxidation of propane to acrylonitrile and all catalytic functionalities were assigned to specific el...

    Robert K. Grasselli, Douglas J. Buttrey, James D. Burrington in Topics in Catalysis (2006)

  7. No Access

    Article

    One-year follow-up of cognitive behavioral therapy for phobic postural vertigo

    Phobic postural vertigo is characterized by dizziness in standing and walking despite normal clinical balance tests. Patients sometimes exhibit anxiety reactions and avoidance behavior to specific stimuli. Dif...

    Johan Holmberg, Mikael Karlberg, Uwe Harlacher, Måns Magnusson in Journal of Neurology (2007)

  8. Article

    Open Access

    PITX2 gain-of-function induced defects in mouse forelimb development

    Limb development and patterning originate from a complex interplay between the skeletal elements, tendons, and muscles of the limb. One of the genes involved in patterning of limb muscles is the homeobox trans...

    Johan Holmberg, Gorel Ingner, Curt Johansson, Peter Leander in BMC Developmental Biology (2008)

  9. No Access

    Article

    Substituted Mo–V(Ti)–Te(Ce)-oxide M2 Catalysts for Propene Ammoxidation

    One of the most effective propane to acrylonitrile ammoxidation catalyst is comprised of the two phases M1 (orthorhombic) Mo7.5V1.5NbTeO29 and M2 (pseudo-hexagonal) Mo4V2Te2O20. Under reaction conditions, the two...

    Robert Häggblad, Jakob B. Wagner, Benoit Deniau, Jean-Marc M. Millet in Topics in Catalysis (2008)

  10. No Access

    Article

    On the Synergy Effect in MoO3–Fe2(MoO4)3 Catalysts for Methanol Oxidation to Formaldehyde

    Methanol oxidation to formaldehyde was studied over a series of Fe–Mo–O catalysts with various Mo/Fe atomic ratio and the end compositions Fe2O3 and MoO3. The activity data show that the specific activity passes ...

    Emma Söderhjelm, Matthew P. House, Neil Cruise, Johan Holmberg in Topics in Catalysis (2008)

  11. No Access

    Article

    Reduced postural differences between phobic postural vertigo patients and healthy subjects during a postural threat

    Phobic postural vertigo is characterized by subjective imbalance and dizziness while standing or walking, despite normal values for clinical balance tests. Patients with phobic postural vertigo exhibit an incr...

    Johan Holmberg, Fredrik Tjernström, Mikael Karlberg in Journal of Neurology (2009)

  12. Chapter and Conference Paper

    Applied Cognitive Ergonomics Design Principles for Fighter Aircraft

    The objective of the reported work was to study the use and applicability of applied cognitive ergonomics design principles for fighter aircraft, with examples from the modern Swedish swing-role aircraft Gripe...

    Jens Alfredson, Johan Holmberg in Engineering Psychology and Cognitive Ergon… (2011)

  13. No Access

    Article

    Maintaining differentiated cellular identity

  14. Reprogramming studies have shown that somatic differentiated cells retain plasticity, but how their identities are stably maintained under normal conditions is...

  15. Johan Holmberg, Thomas Perlmann in Nature Reviews Genetics (2012)

  16. No Access

    Chapter

    QED Calculations on Highly Charged Ions, Using a Unified MBPT-QED Approach

    There is presently a great interest in studying QED effects in highly charged ions by means of large accelerators, and the best information is usually gained from the study of multi-electron ions. It might the...

    Ingvar Lindgren, Sten Salomonson, Daniel Hedendahl in Exciting Interdisciplinary Physics (2013)

  17. Article

    PKCζ regulates Notch receptor routing and activity in a Notch signaling-dependent manner

    Activation of Notch signaling requires intracellular routing of the receptor, but the mechanisms controlling the distinct steps in the routing process is poorly understood. We identify PKCζ as a key regulator ...

    Marika Sjöqvist, Daniel Antfolk, Saima Ferraris, Vilma Rraklli in Cell Research (2014)

  18. Chapter and Conference Paper

    A Cognitive Systems Engineering Perspective on Fighter Cockpit Design Evaluation

    In this paper a method for evaluating fighter aircraft cockpit design solutions is suggested, taking into account the specific needs and limitations that come from working in the context of develo** modern f...

    Susanna Nilsson, Britta Levin in HCI International 2015 - Posters’ Extended… (2015)

  19. No Access

    Chapter

    Combining Quantum Electrodynamics and Electron Correlation

    There is presently a large interest in studying highly charged ions in order to investigate the effects of quantum-electrodynamics (QED) at very strong fields. Such experiments can be performed at large accele...

    Ingvar Lindgren, Sten Salomonson, Daniel Hedendahl in Nuclear Physics: Present and Future (2015)

  20. No Access

    Article

    Combination of many-body perturbation theory and quantum electrodynamics

    A procedure for energy-dependent perturbation expansion has been developed, based upon the covariant evolution operator method. This makes it possible to treat energy-dependent perturbations very much like th...

    Ingvar Lindgren, Johan Holmberg, Sten Salomonson in Theoretical Chemistry Accounts (2015)

  21. No Access

    Chapter

    Combination of many-body perturbation theory and quantum electrodynamics

    A procedure for energy-dependent perturbation expansion has been developed, based upon the covariant evolution operator method. This makes it possible to treat energy-dependent perturbations very much like the...

    Ingvar Lindgren, Johan Holmberg, Sten Salomonson in Péter R. Surján (2016)

  22. No Access

    Article

    Process Improvements in Methanol Oxidation to Formaldehyde: Application and Catalyst Development

    Compared with oxide catalysts for many other selective oxidation and ammoxidation processes, the commercial iron molybdate type catalyst for the oxidation of methanol to formaldehyde has an outstanding perform...

    Arne Andersson, Johan Holmberg, Robert Häggblad in Topics in Catalysis (2016)

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