Blar i Institutt for fysikk på tittel

Viser treff 1481-1500 av 2650

    • Multislice image simulations of sheared needle‐like precipitates in an Al‐Mg‐Si alloy 

      Christiansen, Emil; Ringdalen, Inga Gudem; Bjørge, Ruben; Marioara, Calin Daniel; Holmestad, Randi (Peer reviewed; Journal article, 2020)
      The image contrast of sheared needle‐like urn:x-wiley:00222720:media:jmi12901:jmi12901-math-0001 precipitates in the Al‐Mg‐Si alloy system is investigated with respect to shear‐plane positions, the number of shear‐planes, ...

    • A Multiwavelength Study of GRS 1716-249 in Outburst: Constraints on Its System Parameters 

      Saikia, Payaswini; Russell, David M.; Baglio, M.C.; Bramich, D.M.; Casella, Piergiorgio; Trigo, Maria Diaz; Gandhi, Poshak; Jiang, Jiachen; Maccarone, Thomas; Soria, Roberto; Al Noori, Hind; Al Yazeedi, Aisha; Alabarta, Kevin; Belloni, Tomaso; Bel, Marion Cadolle; Ceccobello, Chiara; Corbel, Stéphane; Fender, Rob; Gallo, Elena; Homan, Jeroen; Koljonen, Karri; Lewis, Fraser; Markoff, Sera B.; Miller-Jones, James C. A.; Rodriguez, Jerome; Russell, Thomas D.; Shahbaz, Tariq; Sivakoff, Gregory R.; Testa, Vincenzo; Tetarenko, Alexandra J. (Peer reviewed; Journal article, 2022)
      We present a detailed study of the evolution of the Galactic black hole transient GRS 1716−249 during its 2016–2017 outburst at optical (Las Cumbres Observatory), mid-infrared (Very Large Telescope), near-infrared (Rapid ...

    • Muon kinetics in heat treated Al (–Mg)(–Si) alloys 

      Wenner, Sigurd; Nishimura, Katsuhiko; Matsuda, Kenji; Matsuzaki, Teiichiro; Tomono, Dai; Pratt, Francis L.; Marioara, Calin Daniel; Holmestad, Randi (Journal article, 2013)
      Al–Mg–Si alloys are heat-treatable and rely on precipitation hardening for their mechanical strength. We have employed the technique of muon spin relaxation to further our understanding of the complex precipitation sequence ...

    • Muon Spin Relaxation Study of Solute–Vacancy Interactions During Natural Aging of Al-Mg-Si-Cu Alloys 

      Wenner, Sigurd; Marioara, Calin Daniel; Nishimura, Katsuhiko; Matsuda, Kenji; Lee, Seungwon; Namiki, Takahiro; Watanabe, Isao; Matsuzaki, Teiichiro; Holmestad, Randi (Journal article; Peer reviewed, 2019)
      Muon spin relaxation has the unique ability to detect very low concentrations of vacancies and vacancy–solute complexes in solids. In this work, we investigate quaternary Al-Mg-Si-Cu alloys and show that after quenching ...

    • Myeloma-derived extracellular vesicles mediate HGF/c-Met signaling in osteoblast-like cells 

      Strømme, Olaf; Psonka Antonczyk, Katarzyna Maria; Stokke, Bjørn Torger; Sundan, Anders; Arum, Carl-Jørgen; Brede, Gaute (Journal article; Peer reviewed, 2019)
      Multiple myeloma is an incurable cancer of antibody-producing plasma cells. Hepatocyte growth factor (HGF), a cytokine aberrantly expressed in half of myeloma patients, is involved in myeloma pathogenesis by enhancing ...

    • MYOCARDIAL STRAIN MEASUREMENTS WITH MRI USING FEATURE TRACKING 

      Kataike Victoria, Mercy (Master thesis, 2016)
      Myocardial strain is increasingly used in determination of myocardial function in the medical field due to its ability to detect cardiac diseases in the early stages, its ability to quantify regional myocardial function ...

    • Møtet med egen læring - Selvregulert læring i overgangen fra videregående skole til fysikk i høyere utdanning 

      Strand, Martine (Master thesis, 2021)
      Overgangen fra videregående skole til høyere utdanning handler om mer enn et høyere faglig nivå og større frihet i hverdagen. Jeg har intervjuet fire førsteårs fysikkstudenter om deres opplevelse av overgangen til høyere ...

    • N=4 supersymmetric Yang-Mills thermodynamics from effective field theory 

      Andersen, Jens Oluf; strickland, Michael; Tantary, Ubaid; Du, Qianqian (Peer reviewed; Journal article, 2022)
      The free energy density of N ¼ 4 supersymmetric Yang-Mills theory in four space-time dimensions is derived through second order in the ’t Hooft coupling λ at finite temperature using effective-field theory methods. The ...

    • Nano- and microscale control of alginate interactions and assembly 

      Håti, Armend Gazmeno (Doctoral theses at NTNU;2016:259, Doctoral thesis, 2016)
      Hydrogels are materials primarily comprised of water and are extensively applied to mimic the extracellular matrix surrounding the cells in our body. Alginate, a naturally derived biopolymer shows great promise in this ...

    • Nano-scale characterisation of sheared β” precipitates in a deformed Al-Mg-Si alloy 

      Christiansen, Emil; Marioara, Calin Daniel; Holmedal, Bjørn; Hopperstad, Odd Sture; Holmestad, Randi (Journal article; Peer reviewed, 2019)
      This paper compares the nano-scale structure of β” precipitates in a peak-aged Al-Mg-Si alloy before and after deformation. Three complementary advanced transmission electron microscopy techniques are used to reveal the ...

    • Nanocrystal segmentation in scanning precession electron diffraction data 

      Bergh, Tina; Johnstone, D.N.; Crout, P; Høgås, Simon; Midgley, Paul A.; Holmestad, Randi; Vullum, Per Erik; Van Helvoort, Antonius (Journal article; Peer reviewed, 2019)
      Scanning precession electron diffraction (SPED) enables the local crystallography of materials to be probed on the nanoscale by recording a two‐dimensional precession electron diffraction (PED) pattern at every probe ...

    • Nanofabrication and properties of gold and platinum nanostructures on graphite 

      Julukian, Armen (Doktoravhandlinger ved NTNU, 1503-8181; 2013:379, Doctoral thesis, 2013)
      This Thesis presents studies of modern aspects of nanotechnology where the size and density of nanostructures play a huge role for further technological advances of our life. As an example of this is heterogeneous catalysis ...

    • Nanoflow of Protons and Water in Polymer Electrolyte Membranes 

      Benjaminsen, Bjørn Eirik (Master thesis, 2013)
      This master thesis studies the applicability of continuum mean-field theories such as the Poisson-Nernst-Planck equations and the Stokes equation. In particular, we investigate electro-osmotic flow of water and protons in ...

    • Nanomanufacturing of dielectric metasurfaces supported by spectroscopic Mueller Matrix Ellipsometry 

      Schwarz, Niklas Richard Saverio Rocca (Master thesis, 2022)
      Metamaterials are artificially structured composites. They can be used to modulate electromagnetic waves. The structural dimensions must be determined by being smaller than the working wavelength. Metasurfaces are multi- ...

    • Nanomedicine and Sonopermeation in the Treatment of Cancer 

      Sulheim, Einar (Doctoral theses at NTNU;2019:98, Doctoral thesis, 2018)
      Treatment of cancer is an enormous challenge that involves multiple biological barriers and drugs with limited specificity, which makes treatment both ineffective and debilitating to the patient. One of the approaches that ...

    • Nanometer-Resolution Mask Lithography with Matter Waves: Near-Field Binary Holography 

      Nesse, Torstein; Simonsen, Ingve; Holst, Bodil (Journal article; Peer reviewed, 2019)
      Mask-based pattern generation is a crucial step in microchip production. The next-generation extreme-ultraviolet- (EUV) lithography instruments with a wavelength of 13.5 nm are currently under development. In principle, ...

    • Nanoparticle delivery to the brain - By focused ultrasound and self-assembled nanoparticle-stabilized microbubbles 

      Åslund, Andreas; Berg, Sigrid; Hak, Sjoerd; Mørch, Ýrr Asbjørg; Torp, Sverre Helge; Sandvig, Axel; Widerøe, Marius; Hansen, Rune; Davies, Ruth Catharina de Lange (Journal article, 2015)
      The blood–brain barrier (BBB) constitutes a significant obstacle for the delivery of drugs into the central nervous system (CNS). Nanoparticles have been able to partly overcome this obstacle and can thus improve drug ...

    • Nanoparticle Dynamics in Composite Hydrogels Exposed to Low-Frequency Focused Ultrasound 

      Einen, Caroline; Price, Sebastian Everard Nordby; Ulvik, Kim; Gjennestad, Magnus Aashammer; Hansen, Rune; Kjelstrup, Signe; Davies, Catharina de Lange (Peer reviewed; Journal article, 2023)
      Pulsed focused ultrasound (FUS) in combination with microbubbles has been shown to improve delivery and penetration of nanoparticles in tumors. To understand the mechanisms behind this treatment, it is important to evaluate ...

    • Nanoparticle uptake by brain endothelial cells and focused ultrasound-mediated transport across the blood-brain barrier 

      Baghirov, Habib (Doctoral theses at NTNU;2017:3, Doctoral thesis, 2016)
      More and more people in the world suffer from various brain diseases such as Parkinson’s disease, Alzheimer’s disease and brain cancer. One of the reasons it is so difficult to treat them is the blood-brain barrier (BBB) ...

    • Nanoparticle-hydrogel composites: From molecular interactions to macroscopic behavior 

      Dannert, Corinna; Stokke, Bjørn Torger; Dias, Rita (Journal article; Peer reviewed, 2019)
      Hydrogels are materials used in a variety of applications, ranging from tissue engineering to drug delivery. The incorporation of nanoparticles to yield composite hydrogels has gained substantial momentum over the years ...