Hopp til hovedinnhold
Publications
  • Vitenskapelige publikasjoner
    • Ramsnes, Stian Penev; Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (2020)

      MaXrd updated with emphasis on model construction and reciprocal-space simulations.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 53.

      Hefte 6.

      s.1620-1624.

      DOI: 10.1107/S160057672001328X

    • Ramsnes, Stian Penev; Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (2019)

      Using Mathematica as a platform for crystallographic computing.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 52.

      s.214-218.

      DOI: 10.1107/S1600576718018071

    • Zhang, Qiuyuan; Polikarpov, Maxim; Nataliya, Klimova; Larsen, Helge Bøvik; Mathiesen, Ragnvald; Emerich, Hermann; Thorkildsen, Gunnar; Snigireva, Irina; Snigirev, Anatoly

      (2019)

      Investigation of glitches induced by single-crystal diamond compound refractive lenses based on crystal orientation.

      AIP Conference Proceedings

      ISSN 0094-243X.

      Volum 2054.

      Hefte 1.

      s.1-6.

      DOI: 10.1063/1.5084638

    • Zhang, Qiuyuan; Polikarpov, Maxim; Klimova, Nataliya; Larsen, Helge Bøvik; Mathiesen, Ragnvald; Emerich, Hermann; Thorkildsen, Gunnar; Snigireva, Irina; Snigirev, Anatoly

      (2018)

      Investigation of `glitches' in the energy spectrum induced by single-crystal diamond compound X-ray refractive lenses.

      Journal of Synchrotron Radiation

      ISSN 0909-0495.

      Volum 26.

      s.1-10.

      DOI: 10.1107/S1600577518014856

    • Khalifeh, Mahmoud; Saasen, Arild; Larsen, Helge Bøvik; Hodne, Helge

      (2017)

      Development and Characterization of Norite-Based Cementitious Binder from an Ilmenite Mine Waste Stream.

      Advances in Materials Science and Engineering

      ISSN 1687-8434.

      Volum 2017.

      DOI: 10.1155/2017/6849139

    • Jubeli, Emile; Maginty, Amanda B.; Khalique, Nada Abdul; Raju, Liji; Nicholson, David Graham; Larsen, Helge Bøvik; Pungente, Michael D.; Goldring, William P.D.

      (2017)

      Cationic lipids bearing succinic-based, acyclic and macrocyclic hydrophobic domains: Synthetic studies and in vitro gene transfer.

      European Journal of Medicinal Chemistry

      ISSN 0223-5234.

      Volum 125.

      s.225-232.

      DOI: 10.1016/j.ejmech.2016.09.027

    • Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Larsen, Helge Bøvik; Hodne, Helge

      (2016)

      Experimental study on the synthesis and characterization of aplite rock-based geopolymers.

      Journal of Sustainable Cement-Based Materials

      ISSN 2165-0373.

      Volum 5.

      Hefte 4.

      s.233-246.

      DOI: 10.1080/21650373.2015.1044049

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar; Nicholson, David Graham; Pattison, Philip

      (2016)

      Thermal induced structural properties of silver(I) sulphate (Ag2SO4).

      Crystal research and technology (1981)

      ISSN 0232-1300.

      Volum 51.

      Hefte 12.

      s.730-737.

      DOI: 10.1002/crat.201600173

    • Parvizi-Bahktar, P.; Mendez-Campos, J.; Raju, Liji; Khalique, Nada Abdul; Jubeli, Emile; Larsen, Helge Bøvik; Nicholson, David Graham; Pungente, Michael D.; Fyles, Thomas Murray

      (2016)

      Structure-activity correlation in transfection promoted by pyridinium cationic lipids.

      Organic and biomolecular chemistry

      ISSN 1477-0520.

      Volum 14.

      Hefte 11.

      s.3080-3090.

      DOI: 10.1039/c6ob00041j

    • Jubeli, Emile; Maginty, Amanda B; Khalique, Nada Abdul; Raju, Liji; Abdulhai, Mohamad; Nicholson, David Graham; Larsen, Helge Bøvik; Pungente, Michael D.; Goldring, William PD

      (2015)

      Next generation macrocyclic and acyclic cationic lipids for gene transfer: Synthesis and in vitro evaluation.

      Bioorganic & Medicinal Chemistry

      ISSN 0968-0896.

      Volum 23.

      Hefte 19.

      s.6364-6378.

      DOI: 10.1016/j.bmc.2015.08.032

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar; Natland, Sølvi; Pattison, Philip

      (2014)

      Average crystal structure(s) of the embedded meta stable η′-phase in the Al-Mg-Zn system.

      Philosophical Magazine

      ISSN 1478-6435.

      Volum 94.

      Hefte 15.

      s.1719-1743.

      DOI: 10.1080/14786435.2014.895440

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (2014)

      Crystallography of embedded particles in Al-Mg-Zn alloys. Symmetry analysis.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 47.

      Hefte 5.

      s.1736-1748.

      DOI: 10.1107/S1600576714019414

    • Øpstad, Christer Lorentz; Zeeshan, Muhammad; Zaidi, Asma; Sliwka, Hans-Richard; Partali, Vassilia; Nicholson, David Graham; Surve, Chinmay; Izower, Mitchell A.; Bilchuk, Natalia; Lou, Howard H.; Leopold, Philip; Larsen, Helge Bøvik; Liberska, Alexandra; Khalique, Nada Abdul; Raju, Liji; Flinterman, Marcella; Jubeli, Emile; Pungente, Michael D.

      (2014)

      Novel cationic polyene glycol phospholipids as DNA transfer reagents - Lack of a structure-activity relationship due to uncontrolled self-assembling processes.

      Chemistry and Physics of Lipids

      ISSN 0009-3084.

      Volum 183.

      s.117-136.

      DOI: 10.1016/j.chemphyslip.2014.04.006

    • Parvizi, Paria; Jubeli, Emile; Raju, Liji; Khalique, Nada Abdul; Almeer, Ahmed; Allam, Hebatalla; Manaa, Maryem; Larsen, Helge Bøvik; Nicholson, David Graham; Pungente, Michael; Fyles, Thomas

      (2014)

      Aspects of nonviral gene therapy: Correlation of molecular parameters with lipoplex structure and transfection efficacy in pyridinium-based cationic lipids.

      International Journal of Pharmaceutics

      ISSN 0378-5173.

      Volum 461.

      Hefte 1-2.

      s.145-156.

      DOI: 10.1016/j.ijpharm.2013.11.045

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar; Nicholson, David Graham

      (2012)

      X-ray attenuation factors in fluorescence intensity emission-effects of finite sample size.

      Physica Scripta

      ISSN 0031-8949.

      Volum 86.

      Hefte 6.

      DOI: 10.1088/0031-8949/86/06/065601

    • Sjølyst-Kverneland, Atle; Hansen, Vidar; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Pattison, P; Li, X.Z.; Gjønnes, Jon

      (2011)

      Transformations and structures in the Al-Zn-Mg alloy system: A diffraction study using synchrotron radiation and electron precession.

      Materials Science & Engineering: A

      ISSN 0921-5093.

      Volum 528.

      Hefte 3.

      s.880-887.

      DOI: 10.1016/j.msea.2010.10.001

    • Sjølyst-Kverneland, Atle; Hansen, Vidar; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Pattison, Philip; Li, XZ; Gjønnes, Jon

      (2010)

      Transformations and structures in the Al?Zn?Mg alloy system: A diffraction study using synchrotron radiation and electron precession.

      Materials Science & Engineering: A

      ISSN 0921-5093.

      DOI: 10.1016/j.msea.2010.10.001

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik; Beukes, Jon Are

      (2006)

      Angle calculations for a three-circle goniostat.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 39.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik; Beukes, Jon Are

      (2006)

      Angle calculations for a three-circle goniostat.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 39.

      s.151-157.

      DOI: 10.1107/S0021889805041877

    • Thorkildsen, Gunnar; Larsen, Helge B.; Weckert, Edgar; Mo, Frode; Mathiesen, Ragnvald H.

      (2005)

      Three-beam resonant X-ray diffraction in germanium - Laue transmission cases.

      Acta Crystallographica Section A: Foundations of Crystallography

      ISSN 0108-7673.

      Volum A61.

      s.460-470.

    • Thorkildsen, Gunnar; Weckert, Edgar; Mo, Frode; Larsen, Helge Bøvik; Mathiesen, Ragnvald

      (2005)

      Three-beam resonant X-ray diffraction in germanium - Laue transmission cases.

      Acta Crystallographica Section A: Foundations of Crystallography

      ISSN 0108-7673.

      Volum 61.

      s.460-470.

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar; Weckert, Edgar

      (2005)

      Three-beam diffraction in an elastically strained crystal plate.

      Acta Crystallographica Section A: Foundations of Crystallography

      ISSN 0108-7673.

      Volum 61.

      s.134-138.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik; Weckert, Edgar; Semmingsen, Dag

      (2003)

      Three-beam X-ray diffraction -- profile analysis.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 36.

      s.1324-1333.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (2002)

      Three-beam X-ray diffraction in a semi-infinite perfect crystal.

      ?

      Volum 58.

      s.252-258.

    • Bae, Martin; Larsen, Helge Bøvik

      (2001)

      Observation of strain induced boundary migration (SIBM).

      Praktische metallographie

      ISSN 0032-678X.

      Volum 38.

      s.680-686.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik; Weckert, Edgar

      (2001)

      Approximate solution of the Takagi-Taupin equations for a semi-infinite crystal in the three-beam Laue-Laue case.

      ?

      Volum 57.

      s.389-394.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik; Semmingsen, Dag; Bjaanes, Øystein

      (2001)

      Generalized extinction in bipyramidal crystals.

      ?

      Volum 57.

      s.201-211.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Mathiesen, Ragnvald H.; Mo, Frode

      (2000)

      Three-beam interference measurements with a six-circle kappa diffractometer.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 33.

      s.49-51.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Mathiesen, Ragnvald H.; Mo, Frode

      (2000)

      Three-beam interference measurements with a six-circle kappa diffractometer.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 33.

      s.49-51.

    • Thorkildsen, Gunnar; Larsen, Helge B.

      (2000)

      Comments on Extinction-Corrected mean thickness and integral width used in the program UMWEG98 by Rossmanith (2000).

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 33.

    • Thorkildsen, Gunnar; Mathiesen, Ragnvald H.; Larsen, Helge B.

      (1999)

      Angle calculations for a six-circle kappa diffractometer.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 32.

      s.943-950.

    • Thorkildsen, Gunnar; Mathiesen, Ragnvald H.; Larsen, Helge B.

      (1999)

      Angle calculations for a six-circle kappa diffractometer.

      Journal of Applied Crystallography

      ISSN 0021-8898.

      Volum 32.

      s.943-950.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Authier, Andre

      (1999)

      Nonsymmetrical X-ray diffraction in a perfect rectangular t x l crystal. Extinction and absorption.

      ?

      Volum A55.

      Hefte 1.

      s.1-13.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (1999)

      X-ray intensity patterns from finite perfect crystals.

      ?

      Volum A55.

      s.1000-1013.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (1999)

      X-ray diffraction in perfect t x l crystals. Rocking curves.

      ?

      Volum A55.

      s.840-854.

    • Mathiesen, Ragnvald; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.

      (1998)

      Existence of Two Crystal Structures of the Complex alpha-D-Glucose NaCl H_2O (2:1:1) Verified by Three-Beam Diffraction Experiments.

      Acta Crystallographica Section A: Foundations of Crystallography

      ISSN 0108-7673.

      Volum A54.

      s.338-347.

    • Mathiesen, Ragnvald; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.; Authier, Andre

      (1998)

      Existence of Two Crystal Structures of the Complex alpha-D-Glucose NaCl H_2O (2:1:1) Verified by Three-Beam Diffraction Experiments.

      ?

      Volum A54.

      s.338-347.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Authier, Andre

      (1998)

      Three-Beam Diffraction in Finite Perfect Crystals. I: Exploring Laue-Laue and Bragg-Laue Scattering Using a Series-Expansion Approach for the Solution of the Takagi-Taupin Equations.

      ?

      Volum A54.

      Hefte 1.

      s.120-128.

    • Mathiesen, Ragnvald H.; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.; Cornuejols, D.

      (1998)

      A New Technique: Physically Estimated Triplet Phases.

      ESRF Newsletter

      ISSN 1011-9310.

      Hefte 30.

      s.34-36.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Authier, Andre

      (1998)

      Symmetrical X-ray Diffraction in a Perfect Rectangular t x l Crystal. Extinction and Absorption.

      ?

      Volum A54.

      s.416-429.

    • Larsen, Helge B.; Thorkildsen, Gunnar; Authier, Andre

      (1998)

      Three-Beam Diffraction in Finite Imperfect Crystals. An Analysis of Coherent Wavefield Interactions Using Statistical Dynamical Theory.

      ?

      Volum A54.

      Hefte 1.

      s.137-145.

    • Mathiesen, Ragnvald H.; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.; Authier, A.

      (1998)

      Existence of Two Crystal Structures of the Complex alpha-D-Glucose.NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction Experiments.

      ?

      Volum A54.

      Hefte 3.

      s.338-347.

    • Larsen, Helge B.; Thorkildsen, Gunnar; Authier, Andre

      (1998)

      Three-Beam Diffraction in Finite Perfect Crystals. II. Influence of Absorption, Resonant Scattering and Polarization.

      ?

      Volum A54.

      Hefte 1.

      s.129-136.

    • Mathiesen, R.H.; Mo, F.; Eikenes, A.; Nyborg, T.; Larsen, H.B.

      (1998)

      Existence of Two Crystal Structures of the Complex a-D-Glucose- NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction Experiments.

      Acta Crystallographica

      ISSN 0365-110X.

      Volum A 54.

      Hefte 3.

      s.338-347.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Authier, Andre

      (1998)

      Primary Extinction in Cylinders and Spheres.

      ?

      Volum A54.

      s.172-185.

    • Larsen, Helge B.; Thorkildsen, Gunnar; Authier, Andre

      (1998)

      An exact analytical expression for the primary extinction factor for a perfect spherical crystal in the limit oh->/2.

      ?

      Volum A54.

      s.511-512.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Authier, Andre

      (1998)

      Absorption and Weighted Path Lengths in Cylinders and Spheres.

      ?

      Volum A54.

      s.186-190.

    • Mathiesen, Ragnvald H.; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.

      (1998)

      A New Technique: Physically Estimated Triplet Phases.

      ESRF Newsletter

      ISSN 1011-9310.

      Hefte 30.

      s.34-36.

    • Mathiesen, Ragnvald H.; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.

      (1998)

      Existence of Two Crystal Structures of the Complex alpha-D-Glucose.NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction Experiments.

      Acta Crystallographica Section A: Foundations of Crystallography

      ISSN 0108-7673.

      Volum A54.

      Hefte 3.

      s.338-347.

  • Bøker og kapitler
    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (2007)

      Crystallography of embedded particles in FCC metal matrices.

      ISBN 9788276443325.

      Hefte No. 24.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik; Beukes, Jon Are

      (2005)

      Angle Calculations for a Six Circle Kappa-Diffractometer IV Orientation Matrix.

      ISBN 8276442544.

      Hefte 2.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik; Beukes, Jon Are

      (2004)

      Angle Calculations for a six circle kappa-diffractometer. III. psi-rotations and scan procedures.

      ISBN 8276442153.

      Hefte 131.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (2002)

      Angle Calculations for a Six Circle Kappa-Diffractometer II. General Orientation of Axes.

      ISBN 8276441858.

      Hefte 110.

    • Bae, Martin; Larsen, Helge Bøvik

      (2001)

      Evidence of Strain Induced Boundary Migration in a Stainless Steel.

      Hefte 93.

    • Thorkildsen, Gunnar; Larsen, Helge B.

      (1999)

      Two Beam Diffraction in Perfect Crystals analyzed by Takagi's Equations. Part 4. Rocking Curves. Mathematica Function Definitions and Notebooks.

      ISBN 82-7644-074-6.

      Hefte 53.

    • Thorkildsen, Gunnar; Larsen, Helge B.

      (1998)

      Two Beam Diffraction in Perfect Crystals Analyzed by Takagi's Equations. Part 3. Rocking Curves and Intensity Distributions.

      ISBN 82-7644-056-8.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Mathiesen, Ragnvald H.; Mo, Frode

      (1998)

      Test Experiments with the KUMA6 Diffractometer at the SNBL, EH-2. Project 01-02-115.

    • Thorkildsen, Gunnar; Larsen, Helge B.; Mathiesen, Ragnvald H.; Mo, Frode

      (1998)

      Test Experiments with the KUMA6 Diffractometer at the SNBL, EH-2. Project 01-02-115.

    • Thorkildsen, Gunnar; Larsen, Helge B.

      (1998)

      Three-beam Diffraction in Imperfect Crystals.

      ISBN 82-7644-052-5.

      Hefte 40.

    • Thorkildsen, Gunnar; Mathiesen, Ragnvald H.; Larsen, Helge B.

      (1998)

      Angle Calculations for a Six-Circle kappa-Diffractometer.

      ISBN 82-7644-065-7.

      Hefte 46.

    • Larsen, Helge Bøvik

      (1997)

      Dynamical effects in the scattering of X-rays from perfect and imperfect finite crystals.

      ISBN 82-471-0063-0.

      Hefte 1997:33.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (1997)

      Two Beam Diffraction in Perfect Crystals Analyzed by Takagi's Equations. Part 2-Function Definitions, Notebooks and Worksheets.

      ISBN 82-7644-042-8.

      Hefte 31.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (1997)

      Two Beam Diffraction in Perfect Crystals Analyzed by Takagi's Equations. Part 1-Basic Principles and Methods of Solutions.

      ISBN 82-7644-040-1.

      Hefte 30.

  • Formidling
    • Dommersnes, Espen; Khalifeh, Mahmoud; Larsen, Helge Bøvik

      (2020)

      Potential Utilization of Neutron Logging Technology for Casing Cement Evaluation - Feasibility Study.

    • Larsen, Helge Bøvik

      (2020)

      Doctoral Supervision in the 21st Century.

    • Ramsnes, Stian Penev; Larsen, Helge Bøvik; Thorkildsen, Gunnar; Nicholson, David Graham

      (2019)

      Utilising MaXrd in the Study of Inclusion Compounds.

    • Zhang, Qiuyuan; Larsen, Helge Bøvik; Mathiesen, Ragnvald

      (2018)

      Investigation of glitches induced by single-crystal diamond compound refractive lenses.

    • Zhang, Qiuyuan; Polikarpov, Maxim; Klimova, Nataliya; Larsen, Helge Bøvik; Mathiesen, Ragnvald; Emerich, Hermann; Snigireva, Irina; Snigirev, Anatoly

      (2018)

      Glitch spectroscopy of X-ray compound refractive lenses.

    • Larsen, Helge Bøvik

      (2017)

      What is happening inside the synchrotron?.

    • Larsen, Helge Bøvik

      (2016)

      Moderne solcellematerialer.

    • Larsen, Helge Bøvik

      (2016)

      Between kinematical and dynamical X-ray diffraction.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (2015)

      The atomic anisotropic displacement tensor - completing the picture.

      Acta Crystallographica Section A: Foundations and Advances

      ISSN 2053-2733.

      Volum 71.

      s.467 -470.

      DOI: 10.1107/S2053273315008372

    • Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Larsen, Helge Bøvik; Hodne, Helge

      (2015)

      Cap rock restoration in plug and abandonment operations; possible utilization of aplite-based geopolymers for permanent zonal isolation and well plugging.

    • Parvizi, Paria; Raju, Liji; Khalique, Nada Abdul; Jubeli, Emile; Nicholson, David Graham; Larsen, Helge Bøvik; Pungente, M.D.; Fyles, Thomas

      (2015)

      Correlation of molecular properties and supramolecular assembly od cationic lipoplexes with transfection efficiency.

    • Barrier, Elise; Braz Fernandes, Francisco Manuel; Bujan, Maya; Feiters, Martin C.; Froideval, Annick; Ghijsen, Jacques; Hase, Thomas; Hough, Michael A.; Jergel, Matej; Jimenez, Ignacio; Kajander, Tommi; Kikas, Arvo; Kokkinidis, Michael; Kover, Laszlo; Larsen, Helge Bøvik; Lawson, David Mark; Lawniczak-Jablonska, Krystyna; Mariani, Carlo; Mikulik, Petr; Monnier, Judith; Morera, Solange; McGuinness, Cormac; Müller-Buschbaum, Peter; Meedom Nielson, Martin; Pietsch, Ullrich; Tromp, Moniek; Simon, Marc; Stangl, Julian; Zanotti, Giuseppe

      (2014)

      The benefit of the European User Community from transnational access to national radiation facilities.

      Journal of Synchrotron Radiation

      ISSN 0909-0495.

      Volum 21.

      Hefte 3.

      s.638-639.

      DOI: 10.1107/S1600577514007619

    • Parvizi, Paria; Khalique, Nada Abdul; Jubeli, Emile; Raju, Liji; Larsen, Helge Bøvik; Nicholson, David Graham; Fyles, Thomas; Pungente, Michael

      (2013)

      Correlation of lipoplex morphology and transfection efficacy for pyridium-based cationic lipids by means of synchrotron radiation and X-ray diffraction.

    • Parvizi, Paria; Jubeli, Emile; Raju, Liji; Khalique, Nada Abdul; Almeer, Ahmed; Allam, Hebatalla; Manaa, Maryem; Larsen, Helge Bøvik; Nicholson, David Graham; Fyles, Thomas; Pungente, Michael

      (2013)

      Correlation of molecular parameters with lipoplex structure and the transfection efficacy in pyridium-based cationic lipids.

    • Larsen, Helge Bøvik

      (2013)

      SAXS/SAXRD studies part II: Structural studies on Lipid-DNA complexes.

    • Larsen, Helge Bøvik

      (2012)

      Synkrotroner og synkrotronstråling - nødvendige storskala verktøy for å studere stoffers oppbygning på atomært nivå.

    • Larsen, Helge Bøvik; Nicholson, David Graham

      (2012)

      Single crystal diffraction and FLEXAFS -- complementary opprotunities.

    • Hansen, Vidar; Oddsen, Ingunn Cecilie; Kverneland, Atle; Larsen, Helge Bøvik; Pattison, Philip; Thorkildsen, Gunnar; Gjønnes, Jon

      (2009)

      Diffuse scattering from zones and particles in the Al-Zn-Mg alloy system.

    • Hansen, Vidar; Kverneland, Atle; Li, X.Z.; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Gjønnes, Jon

      (2008)

      Elektronmikroskopi og synkrotronrøntgen diffraksjonsstudier av transformasjoner og strukturer i 7xxx-legeringer.

    • Natland, Sølvi; Larsen, Helge Bøvik; Thorkildsen, Gunnar; Pattison, Philip

      (2008)

      Diffraction studies of an Al-Mg-Zn single crystal by synchrotron radiation.

    • Hansen, Vidar; Kverneland, Atle; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Vincent, Roger; Gjønnes, Jon

      (2007)

      Structure analysis of the n'-precipitate in Al-Zn-Mg alloys by the precession technique in electron diffraction and synchrotron radiation.

    • Hansen, Vidar; Kverneland, Atle; Thorkildsen, Gunnar; Larsen, Helge Bøvik; Pattison, Philip; Gilmore, Cristopher; Vincent, Roger; Gjønnes, Jon

      (2006)

      Structure determination of nanosized semi-coherent Al-Mg-Zn precipitates by precession electron diffraction and synchrotron X-ray diffraction.

    • Hansen, Vidar; Kverneland, Atle; Larsen, Helge Bøvik; Pattison, Philip; Vincent, Roger; Gjønnes, Jon

      (2005)

      Structure Determination of Embedded Precipitates by Precession Electron Diffraction and Synchrotron Radiation: A Comparison.

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (2004)

      Multiple beam diffraction -- the basics, applications and possible developments.

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (2004)

      Three-beam diffraction in imperfect crystals.

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (2004)

      Kappa six circle diffractometer -- benchmarking.

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (2003)

      Three-beam X-ray diffraction -- profile analysis.

    • Larsen, Helge Bøvik

      (2003)

      Synchrotron radiation and syncrotrons -- necessary large-scale tools in studying structure at atomic level. I: NTVA Årbok 2002.

      ISBN 82-7719-044-1.

      s.43-46.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (2002)

      TE-6254 Materialfysikk.

    • Larsen, Helge Bøvik

      (2002)

      Diffraksjon av røntgenstråler fra materialer.

    • Hansen, Vidar; Larsen, Helge Bøvik

      (2002)

      Metallenes indre liv.

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (2001)

      Three-beam Diffraction -- Only for Phase-Estimation??.

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (2001)

      Three-beam Diffraction -- Only for Phase-Estimation ???.

    • Thorkildsen, Gunnar; Larsen, Helge Bøvik

      (2001)

      Dynamical scattering of X-rays in finite crystals.

    • Mathiesen, Ragnvald H.; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.

      (2000)

      Experimental phase estimates applied in solving crystallographic problems. The structure(s) of alpha-D-Glc NaCl H2O (2:1:1).

    • Larsen, Helge B.

      (2000)

      Synchrotron Radiation -- Applications in Materials Science.

    • Mathiesen, Ragnvald H.; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.

      (2000)

      Experimental phase estimates applied in solving crystallographic problems. The structure(s) of alpha-D-Glc NaCl H2O (2:1:1).

    • Larsen, Helge B.; Thorkildsen, Gunnar

      (2000)

      Measurements of dynamical diffraction effects in finite crystals.

    • Mathiesen, Ragnvald H.; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.

      (1999)

      Existence of Two Crystal Structures of the Complex alpha-D-Glucose.NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction.

    • Larsen, Helge Bøvik; Thorkildsen, Gunnar

      (1999)

      Interference Patterns from semi-infinite and finite Crystals.

    • Mathiesen, Ragnvald H.; Mo, Frode; Eikenes, Anders; Nyborg, Tanja; Larsen, Helge B.

      (1998)

      Existence of Two Crystal Structures of the Complex alpha-D-Glucose.NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction.

    • Thorkildsen, Gunnar; Larsen, Helge B.

      (1998)

      Calculating the Integrated Power as a Function of Wavelenght for a Finite Perfect Crystal using MATHEMATICA.

    • Thorkildsen, Gunnar; Larsen, Helge B.

      (1998)

      Polarization Effects in Three-Beam Diffraction from Small, Finite Crystals.

  • Kunstnerisk produksjon
  • Kommersialisering
  • Cristin hovedlogo, Cristin current research information system in Norway