• Biodistribution of Poly(alkyl cyanoacrylate) Nanoparticles in Mice and Effect on Tumor Infiltration of Macrophages into a Patient-Derived Breast Cancer Xenograft 

      Pandya, Abhilash D.; Iversen, Tore Geir; Moestue, Siver Andreas; Grinde, Maria Tunset; Mørch, Ýrr Asbjørg; Snipstad, Sofie; Åslund, Andreas; Øy, Geir Frode; Kildal, Wanja; Engebråten, Olav; Sandvig, Kirsten; Skotland, Tore; Mælandsmo, Gunhild Mari (Peer reviewed; Journal article, 2021)
      We have investigated the biodistribution and tumor macrophage infiltration after intravenous injection of the poly(alkyl cyanoacrylate) nanoparticles (NPs): PEBCA (poly(2-ethyl-butyl cyanoacrylate), PBCA (poly(n-butyl ...
    • An Evaluation of Graphene Oxides as Possible Foam Stabilizing Agents for CO2 Based Enhanced Oil Recovery 

      Barrabino, Albert; Holt, Torleif; Lindeberg, Erik (Peer reviewed; Journal article, 2018)
      Graphene oxide, nanographene oxide and partially reduced graphene oxide have been studied as possible foam stabilizing agents for CO2 based enhanced oil recovery. Graphene oxide was able to stabilize CO2/synthetic sea water ...
    • Experimental Investigation of Polymer-Coated Silica Nanoparticles for Enhanced Oil Recovery. 

      Bila, Alberto Luis; Stensen, Jan Åge; Torsæter, Ole (Journal article; Peer reviewed, 2019)
      Recently, polymer-coated nanoparticles were proposed for enhanced oil recovery (EOR) due to their improved properties such as solubility, stability, stabilization of emulsions and low particle retention on the rock surface. ...
    • Exposure to ultrafine particles in the ferroalloy industry using a logbook method 

      Jørgensen, Rikke Bramming; Kero, Ida; Blom, Aleksander; Grove, Esten Eide; Svendsen, Kristin V Hirsch (Peer reviewed; Journal article, 2020)
      Background: It is difficult to assess workers’ exposure to ultrafine particles (UFP) due to the lack of personal sampling equipment available for this particle fraction. The logbook method has been proposed as a general ...
    • Graphene oxide-based silico-phosphate composite films for optical limiting of ultrashort near-infrared laser pulses 

      Petris, Adrian; Vasiliu, Ileana Cristina; Gheorghe, Petronela; Iordache, Ana Maria; Ionel, Laura; Rusen, Laurentiu; Iordache, Stefan; Elisa, Mihai; Trusca, Roxana; Ulieru, Dumitru; Etemadi, Samaneh; Wendelbo, Rune; Yang, Juan; Thorshaug, Knut (Peer reviewed; Journal article, 2020)
      The development of graphene-based materials for optical limiting functionality is an active field of research. Optical limiting for femtosecond laser pulses in the infrared-B (IR-B) (1.4–3 μm) spectral domain has been ...
    • Identification of Nanocellulose Retention Characteristics in Porous Media 

      Aadland, Reidun Cecilie Grønfur; Dziuba, Carter Jordan; Heggset, Ellinor Bævre; Syverud, Kristin; Torsæter, Ole; Holt, Torleif; Gates, Ian D.; Bryant, Steven (Peer reviewed; Journal article, 2018)
      The application of nanotechnology to the petroleum industry has sparked recent interest in increasing oil recovery, while reducing environmental impact. Nanocellulose is an emerging nanoparticle that is derived from trees ...
    • Pore-and core-scale insights of nanoparticle-stabilized foam for CO2-enhanced oil recovery 

      Alcorn, Zachary Paul; Føyen, Tore Lyngås; Gauteplass, Jarand; Benali, Benyamine; Soyke, Aleksandra; Fernø, Martin (Peer reviewed; Journal article, 2020)
      Nanoparticles have gained attention for increasing the stability of surfactant-based foams during CO2 foam-enhanced oil recovery (EOR) and CO2 storage. However, the behavior and displacement mechanisms of hybrid ...
    • Silicon Metalens Fabrication from Electron Beam to UV-Nanoimprint Lithography 

      Baracu, Angela; Avram, Marius Andrei; Breazu, Carmen; Bunea, Mihaela-Cristina; Socol, Marcela; Stanculescu, Anca; Matei, Elena; Thrane, Paul Conrad Vaagen; Dirdal, Christopher Andrew; Dinescu, Adrian; Rasoga, Oana (Peer reviewed; Journal article, 2021)
      This study presents the design and manufacture of metasurface lenses optimized for focusing light with 1.55 µm wavelength. The lenses are fabricated on silicon substrates using electron beam lithography, ultraviolet-nanoimprint ...
    • Surface effects and optical properties of self-assembled nanostructured a-Si:Al 

      Kjeldstad, Torunn; Thøgersen, Annett; Stange, Marit Synnøve Sæverud; Jensen, Ingvild Julie Thue; Monakhov, Eduard; Galeckas, Augustinas (Journal article; Peer reviewed, 2019)
      We present a study of the surface effects and optical properties of the self-assembled nanostructures comprised of vertically aligned 5 nm-diameter Al nanowires embedded in an amorphous Si matrix (a-Si:Al). The controlled ...
    • Tailoring Upconversion and Morphology of Yb/Eu Doped Y2O3 Nanostructures by Acid Composition Mediation 

      Nunes, Daniela; Pimentel, Ana; Matias, Mariana; Freire, Tomas; Araujo, A; Silva, Filipe; Gaspar, Patricia; Garcia, Silvia; Almeida Carvalho, Patricia; Fortunato, Elvira; Martins, Rodrigo (Peer reviewed; Journal article, 2019)
      The present study reports the production of upconverter nanostructures composed by a yttrium oxide host matrix co-doped with ytterbium and europium, i.e., Y2O3:Yb3+/Eu3+. These nanostructures were formed through the ...