Einar Sagstuen

Professor
Image of Einar Sagstuen
Norwegian version of this page
Phone +47 228 55653
Mobile phone +47 957 98170
Room KV340
Username
Visiting address Chemistry building Sem Saelandsv. 26 N-0371 Oslo
Postal address P.O. Box 1048 Blindern N-0316 Oslo

Academic Interests

The major areas of scientific interests are: Radiation physics, radiation biophysics, and medical physics. This includes: 

  •  Effects of radiation on biological macromolecules amd model systems: 
  1. Radiation induced reduction and oxidation of DNA 
  2. Charge transport in DNA,
  3. Proton transfers between ionized base pair components in DNA
  4. Energy transfer between DNA and proteins 
  5. Quantum chemical calculations on model systems
  • Radiation dosimetry:
  1.  EPR spektroscopy and dosimetry  
  2.  Properties of alanine for EPR dosimetry
  3.  Development and testing of new materials for EPR dosimetry.
  •  EPR-spektroscopy:
  1.  Methodical and theoretical developments
  2.  Instrumentation.
Tags: biomedical physics, biophysics, medical physics, radiation physics, radiation biophysics, magnetic resonance, EPR spectroscopy, ESR spectroscopy, dosimetry

Publications

  • Kusakovskij, Jevgenij; De Cooman, Hendrik; Sagstuen, Einar; Callens, Freddy J. & Vrielinck, Henk (2017). On the identity of the last known stable radical in X-irradiated sucrose. Chemical Physics Letters.  ISSN 0009-2614.  674, s 6- 10 . doi: 10.1016/j.cplett.2017.02.032
  • Wiedmer, David; Sagstuen, Einar; Welch, Ken; Haugen, Håvard Jostein & Tiainen, Hanna (2016). Oxidative power of aqueous non-irradiated TiO2-H2O2 suspensions: Methylene blue degradation and the role of reactive oxygen species . Applied Catalysis B: Environmental.  ISSN 0926-3373.  198, s 9- 15 . doi: 10.1016/j.apcatb.2016.05.036
  • Aalbergsjø, Siv Gundrosen & Sagstuen, Einar (2015). New Evidence for Hydroxyalkyl Radicals and Light- and Thermally Induced Trapped Electron Reactions in Rhamnose. Radiation Research.  ISSN 0033-7587.  184(2), s 161- 174 . doi: 10.1667/RR14081.1
  • Knudtsen, Ingerid Skjei; Aalbergsjø, Siv Gundrosen; Hole, Eli Olaug & Sagstuen, Einar (2015). Radiation effects on crystalline l-asparagine, revisited: Radical formation by EMR and periodic DFT after X-irradiation at 275K. Radiation Physics and Chemistry.  ISSN 0969-806X.  106, s 151- 159 . doi: 10.1016/j.radphyschem.2014.07.008
  • Krivokapic, Andre; Sanderud, Audun; Aalbergsjø, Siv Gundrosen; Hole, Eli Olaug & Sagstuen, Einar (2015). Lithium formate for EPR dosimetry (2): secondary radicals in X-irradiated crystals. Radiation Research.  ISSN 0033-7587.  183(6), s 675- 683 . doi: 10.1667/RR14046.1 Full text in Research Archive
  • Øyen, Live Furnes; Aalbergsjø, Siv Gundrosen; Knudtsen, Ingerid Skjei; Hole, Eli Olaug & Sagstuen, Einar (2015). Direct Radiation Effects to the Amino Acid Side-Chain: EMR and Periodic DFT of X-Irradiated L-Asparagine at 6 K. Journal of Physical Chemistry B.  ISSN 1520-6106.  119(2), s 491- 502 . doi: 10.1021/jp5115866
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; Van Yperen-De Deyne, Andy; Van Speybroeck, Veronique & Sagstuen, Einar (2014). Automated generation of radical species in crystalline carbohydrate using ab initio MD simulations. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  16(32), s 17196- 17205 . doi: 10.1039/c4cp02179g
  • Krivokapic, Andre; Aalbergsjø, Siv Gundrosen; De Cooman, Hendrik; Hole, Eli Olaug; Nelson, William H. & Sagstuen, Einar (2014). Lithium formate for EPR dosimetry: Radiation-induced radical trapping at low temperatures. Radiation Research.  ISSN 0033-7587.  181(5), s 503- 511 . doi: 10.1667/RR13582.1
  • Pauwels, Ewald; De Cooman, Hendrik; Waroquier, Michel; Hole, Eli Olaug & Sagstuen, Einar (2014). Solved? the reductive radiation chemistry of alanine. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  16(6), s 2475- 2482 . doi: 10.1039/c3cp54441a
  • Vrielinck, Henk; De Cooman, Hendrik; Callens, Freddy J. & Sagstuen, Einar (2014). Radiation Chemistry of Solid-State Carbohydrates using EMR, In Anders Lund & Masaru Shiotani (ed.),  Applications of EPR in Radiation Research.  Springer.  ISBN 978-3-319-09215-7.  Chapter 6.  s 189 - 254
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; De Cooman, Hendrik; Hole, Eli Olaug & Sagstuen, Einar (2013). Structural specificity of alkoxy radical formation in crystalline carbohydrates. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  15(24), s 9615- 9619 . doi: 10.1039/c3cp50789k
  • Gustafsson, Håkan; Lund, Anders; Hole, Eli Olaug & Sagstuen, Einar (2013). SO3-- radicals for EPR dosimetry: X- and Q band EPR study and LET dependency of crystalline potassium dithionate. Radiation Measurements.  ISSN 1350-4487.  59, s 123- 128 . doi: 10.1016/j.radmeas.2013.05.001
  • Sanchez, Luis; Taxt-Lamolle, Sebastien Francis Michel; Hole, Eli Olaug; Krivokapic, Andre; Sagstuen, Einar & Haugen, Håvard Jostein (2013). TiO2 suspension exposed to H2O2 in ambient light or darkness: Degradation of methylene blue and EPR evidence for radical oxygen species. Applied Catalysis B: Environmental.  ISSN 0926-3373.  142-143, s 662- 667 . doi: 10.1016/j.apcatb.2013.05.017
  • Sagstuen, Einar; Hole, Eli Olaug & Lund, Anders (2012). Free Radical Products in X-Irradiated Rochelle Salt: Low Temperature ENDOR and DFT Studies. Radiation Physics and Chemistry.  ISSN 0969-806X.  81(2), s 168- 179 . doi: 10.1016/j.radphyschem.2011.10.001
  • Tarpan, Mihaela Adeluta; De Cooman, Hendrik; Sagstuen, Einar; Waroquier, Michel & Callens, Freddy J. (2011). Identification of primary free radicals in trehalose dihydrate single crystals X-irradiated at 10 K. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  13(23), s 11294- 11302 . doi: 10.1039/c0cp02616f
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Waroquier, Michel & Callens, F (2010). Oxidation and Reduction Products of X Irradiation at 10 K in Sucrose Single Crystals: Radical Identification by EPR, ENDOR, and DFT. Journal of Physical Chemistry B.  ISSN 1520-6106.  114(1), s 666- 674 . doi: 10.1021/jp909247z
  • Krivokapic, Andre; Øhman, Kjell Tage; Munthe, Morten; Nelson, William H.; Hole, Eli Olaug & Sagstuen, Einar (2010). Radicals in 5-Methylcytosine by Ionizing Radiation. Electron Magnetic Resonance for Structural and Mechanistic Analyses. Radiation Research.  ISSN 0033-7587.  173(5), s 689- 702
  • Pauwels, Ewald; De Cooman, Hendrik; Waroquier, Michel; Hole, Eli Olaug & Sagstuen, Einar (2010). On the identity of the radiation-induced stable alanine radical. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  12(31), s 8733- 8736 . doi: 10.1039/c004380j
  • Waldeland, Einar; Hole, Eli Olaug; Sagstuen, Einar & Malinen, Eirik (2010). The energy dependence of lithium formate and alanine EPR dosimeters for medium energy x rays. Medical physics (Lancaster).  ISSN 0094-2405.  37(7), s 3569- 3575 . doi: 10.1118/1.3432567
  • Waldeland, Einar; Hole, Eli Olaug; Stenerlöv, Bo; Grusell, Erik; Sagstuen, Einar & Malinen, Eirik (2010). Radical Formation in Lithium Formate EPA Dosimeters after Irradiation with Protons and Nitrogen Ions. Radiation Research.  ISSN 0033-7587.  174(2), s 251- 257 . doi: 10.1667/RR2035.1
  • Waldeland, Einar; Hörling, Magnus; Hole, Eli Olaug; Sagstuen, Einar & Malinen, Eirik (2010). Dosimetry of stereotactic radiosurgery using lithium formate EPR dosimeters. Physics in Medicine and Biology.  ISSN 0031-9155.  55(8), s 2307- 2316 . doi: 10.1088/0031-9155/55/8/012
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Van Doorslaer, Sabine; Waroquier, Michel & Callens, Freddy J. (2009). ENDOR and HYSCORE Analysis and DFT-Assisted Identification of the Third Major Stable Radical in Sucrose Single Crystals X Irradiated at Room Temperature. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  11(7), s 1105- 1114 . doi: 10.1039/b816641b
  • Krivokapic, Andre; Øhman, Kjell Tage; Nelson, William H.; Hole, Eli Olaug & Sagstuen, Einar (2009). Primary Oxidation Products of 5-Methylcytosine: Methyl Dynamics and Environmental Influences. Journal of Physical Chemistry A.  ISSN 1089-5639.  113(35), s 9633- 9640 . doi: 10.1021/jp904747j
  • Lund, Anders; Sagstuen, Einar; Sanderud, Audun & Maruani, Jean (2009). Relaxation-Time Determination from Continuous-Microwave Saturation of EPR Spectra. Radiation Research.  ISSN 0033-7587.  172(6), s 753- 760 . doi: 10.1667/RR1890.1
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Dimitrova, Anna; Sagstuen, Einar; Waroquier, Michel; Callens, Freddy & Callens, F (2008). Radiation-Induced Defects in Sucrose Single Crystals, Revisited: a Combined Electron Magnetic Resonance and Density Functional Theory Study. Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy.  ISSN 1386-1425.  69(5), s 1372- 1383 . doi: 10.1016/j.saa.2007.09.033
  • De Cooman, Hendrik; Vanhaelewyn, Gauthier; Pauwels, Ewald; Sagstuen, Einar; Waroquier, Michel & Callens, Freddy (2008). Radiation-Induced Radicals in Glucose-1-phosphate. I. Electron Paramagnetic Resonance and Electron Nuclear Double Resonance Analysis of in situ X-Irradiated Single Crystals at 77 K. Journal of Physical Chemistry B.  ISSN 1520-6106.  112(47), s 15045- 15053 . doi: 10.1021/jp804290e
  • De Coomann, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Callens, F. & Waroquier, Michel (2008). Identification and Conformational Study of Stable Radiation-Induced Defects in Sucrose Single Crystals using Density Functional Theory Calculations of Electron Magnetic Resonance Parameters. Journal of Physical Chemistry B.  ISSN 1520-6106.  112, s 7298- 7307 . doi: 10.1021/jp712004g
  • Gancheva, V.; Yordanov, N.D.; Callens, F.; Vanhaelewyn, Gauthier; Raffi, J.; Bortolin, E; Onori, S.; Malinen, Eirik; Sagstuen, Einar; Fabisiak, S. & Stuglik, Zofia (2008). An international intercomparison on "self-calibrated" alanine EPR dosimeters. Radiation Physics and Chemistry.  ISSN 0969-806X.  77, s 357- 364 . doi: 10.1016/j.radphyschem.2007.06.004
  • Gorbitz, Carl Henrik & Sagstuen, Einar (2008). Potassium sodium (2R,3R)-tartrate tetrahydrate: the paraelectric phase of Rochelle salt at 105 K. Acta Crystallographica Section E: Structure Reports Online.  ISSN 1600-5368.  64, s m507- m508 . doi: 10.1107/S1600536808005266
  • Krivokapic, Andre; Herak, Janko N. & Sagstuen, Einar (2008). Proton-Coupled Hole Transfer in X-Irradiated Doped Crystalline Cytosine.H2O. Journal of Physical Chemistry A.  ISSN 1089-5639.  112, s 3597- 3606 . doi: 10.1021/jp709855c
  • Pauwels, Ewald; De Cooman, Hendrik; Vanhaelewyn, Gauthier; Sagstuen, Einar; Callens, Freddy & Waroquier, Michel (2008). Radiation-Induced Radicals in Glucose-1-phosphate. II. DFT Analysis of Structures and Possible Formation Mechanisms. Journal of Physical Chemistry B.  ISSN 1520-6106.  112(47), s 15054- 15063 . doi: 10.1021/jp804287c
  • Tarpan, Michaela; Sagstuen, Einar; Pauwels, Ewald; Vrielinck, Henk; Waroquier, Michel & Callens, F. (2008). Combined Electron Magnetic Resonance and Density Functional Theory Study of 10 K X-Irradiated β-D-Fructose Single Crystals. Journal of Physical Chemistry A.  ISSN 1089-5639.  112, s 3898- 3905
  • Vrielinck, Henk; De Cooman, Hendrik; Tarpan, Michaela Adeluta; Sagstuen, Einar; Waroquier, Michel & Callens, Freddy (2008). Schonland ambiguity in the electron nuclear double resonance analysis of hyperfine interactions: Principles and practice. Journal of magnetic resonance (San Diego, Calif. 1997 : Print).  ISSN 1090-7807.  195(2), s 196- 205 . doi: 10.1016/j.jmr.2008.09.017
  • Øhman, Kjell Tage & Sagstuen, Einar (2008). Free Radical Conformations and Conversions in X-Irradiated Single Crystals of L-Cysteic Acid by Electron Magnetic Resonance and Density Functional Theory Studies. Journal of Physical Chemistry A.  ISSN 1089-5639.  112, s 4284- 4293 . doi: 10.1021/jp711821c
  • Malinen, Eirik; Waldeland, Einar; Hole, Eli Olaug & Sagstuen, Einar (2007). The energy dependence of lithium formate EPR dosimeters for clinical electron beams. Physics in Medicine and Biology.  ISSN 0031-9155.  52, s 4361- 4369 . doi: 10.1088/0031-9155/52/14/022
  • Gancheva, V.; Sagstuen, Einar & Yordanov, N.D. (2006). Study on the EPR/dosimetric properties of some substituted alanines. Radiation Physics and Chemistry.  ISSN 0969-806X.  75, s 329- 335
  • Malinen, Eirik; Waldeland, Einar; Hole, Eli Olaug & Sagstuen, Einar (2006). LET effects following neutron irradiation of lithium formate EPR dosimeters. Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy.  ISSN 1386-1425.  63, s 861- 869
  • Sagstuen, Einar; Close, David M.; Vågane, Randi; Hole, Eli Olaug & Nelson, William H. (2006). Electron Transfer in Amino Acid:Nucleic Acid Base Complexes:EPR, ENDOR and DFT Study of X-Irradiated N-Formylglycine:Cytosine Complex Crystals. Journal of Physical Chemistry A.  ISSN 1089-5639.  110(28), s 8653- 8662
  • Vanhaelewyn, Gauthier; Pauwels, Ewald; Callens, F.; Waroquier, Michel; Sagstuen, Einar & Matthys, Paul (2006). Q-band EPR and ENDOR of low temperature X-irradiated beta-D-fructose single crystals. Journal of Physical Chemistry A.  ISSN 1089-5639.  110, s 2147- 2156
  • Øhman, Kjell Tage; Sanderud, Audun; Hole, Eli Olaug & Sagstuen, Einar (2006). Single Crystals of L-O-Serine Phosphate X-Irradiated at Low Temperatures: EPR,ENDOR, EIE, and DFT Studies. Journal of Physical Chemistry A.  ISSN 1089-5639.  110, s 9585- 9596 . doi: 10.1021/jp061265o

View all works in Cristin

  • Sagstuen, Einar & Hole, Eli Olaug (2009). Radiation Induced Radicals. In: Electron Paramagnetic Resonance: A Practitioner’s Toolkit. John Wiley & Sons.  ISBN 978-0-470-25882-8.  57 s.

View all works in Cristin

  • Henriksen, Thormod & Sagstuen, Einar (2016). Fysikk fra medisinsk diagnostikk til samfunnssikkerhet. Fra Fysikkens Verden.  ISSN 0015-9247.  (2), s 48- 54
  • Papoutsis, iosif; Arnesen, Marius Røthe; Sande, Erlend P. S.; Sagstuen, Einar; Knudtsen, Ingerid Skjei & Malinen, Eirik (2016). From dose prescription to dose delivery - can dose painting by numbers be accurately delivered?.
  • Sagstuen, Einar; Sanderud, Audun; Lund, Anders & Maruani, Jean (2016). Software for Relaxation-Time Determination from CW Microwave Saturated EPR Signals .
  • Krivokapic, Andre; Aalbergsjø, Siv Gundrosen; Sanderud, Audun; Hole, Eli Olaug & Sagstuen, Einar (2015). Radiation chemistry of the EPR dosimeter lithium formate monohydrate.
  • Wiedmer, David; Tiainen, Hanna; Sagstuen, Einar & Haugen, Håvard Jostein (2015). TiO2 nanoparticles as antibacterial debridement strategy for permanent infected dental implants.
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; Van Yperen-De Deyne, Andy; Van Speybroeck, Veronique & Sagstuen, Einar (2014). A method for investigating radiation damage.
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; Van Yperen-De Deyne, Andy; Van Speybroeck, Veronique & Sagstuen, Einar (2014). Radiation induced damage in biomolecules. An ab initio molecular dynamics study on crystalline α-L-rhamnose.
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; Van Yperen-De Deyne, Andy; Van Speybroeck, Veronique & Sagstuen, Einar (2014). ab initio molecular dynamics simulations of radiation induced radical formation.
  • Krivokapic, Andre; Aalbergsjø, Siv Gundrosen; Hole, Eli Olaug; Nelson, William H. & Sagstuen, Einar (2014). Radiation physics of the EPR dosimeter lithium formate.
  • Øyen, Live Furnes; Aalbergsjø, Siv Gundrosen; Knudtsen, Ingerid Skjei; Hole, Eli Olaug & Sagstuen, Einar (2014). Primary radiation-induced radicals in l-asparagine monohydrate at 6 K: EMR and DFT-PBC studies.
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; De Cooman, Hendrik; Hole, Eli Olaug & Sagstuen, Einar (2013). Understanding selective radical formation in biomolecules after irradiation.
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; De Cooman, Hendrik; Hole, Eli Olaug & Sagstuen, Einar (2013). Why are only certain radicals formed in sugars after irradiation?.
  • Sagstuen, Einar (2013). EPR spectroscopy at the University of Oslo.
  • Sagstuen, Einar; Gustafsson, Håkan; Waldeland, Einar; Lund, Anders; Hole, Eli Olaug & Malinen, Eirik (2013). Photon and hadron dosimetry by EPR methods: LET dependence of EPR response function.
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; Hole, Eli Olaug & Sagstuen, Einar (2012). "Seeing" the molecules - using DFT calculations and periodiv boundary conditions.
  • Krivokapic, Andre; Aalbergsjø, Siv Gundrosen; Malinen, Eirik; De Cooman, Hendrik; Hole, Eli Olaug & Sagstuen, Einar (2012). Lithium formate - a challenging low-dose radiation dosimeter.
  • Sagstuen, Einar (2011). Developing Physics. Public Service Review: European Science & Technology.  (10), s 111- 112
  • Aalbergsjø, Siv Gundrosen; De Cooman, Hendrik; Hole, Eli Olaug; Sagstuen, Einar & Pauwels, Ewald (2010). DFT and TD-DFT studies of deprotonation from oxygen in rhamnose cations.
  • Aalbergsjø, Siv Gundrosen; De Cooman, Hendrik; Hole, Eli Olaug; Sagstuen, Einar & Pauwels, Ewald (2010). Deprotonering fra oksygen i rhamnose kationer studert ved DFT og TD-DFT metoder.
  • De Cooman, Hendrik; Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; Sagstuen, Einar; Hole, Eli Olaug; Callens, Freddy J. & Waroquier, Michel (2010). Which role do excited states play in radiation damage to organic solid-state compounds?.
  • De Cooman, Hendrik; Tarpan, Michaela; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Waroquier, Michel & Callens, Freddy J. (2010). Exploring the direct-effect radiation chemistry of solid-state carbohydrates using EMR and DFT.
  • Gjøvik, Marie; Malinen, Eirik; Sagstuen, Einar & Hole, Eli Olaug (2010). Lithium formate in EPR dosimetry: The story continues.
  • Waldeland, Einar; Hole, Eli Olaug; Sagstuen, Einar & Malinen, Eirik (2010). Energy dependence of alanine and lithium formate EPR dosimeters and LiF TL-dosimeters.
  • Waldeland, Einar; Hole, Eli Olaug; Sagstuen, Einar & Malinen, Eirik (2010). Energy response to medium-energy X-rays for alanine and lithium formate EPR dosimeters.
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Callens, Freddy J. & Waroquier, Michel (2009). Modelling radiation-damage processes in organic solids via DFT calculations of EMR parameters.
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Waroquier, Michel & Callens, Freddy J. (2009). Radiation-induced radical formation in solid state sugars: a review of recent EMR and DFT results.
  • De Cooman, Hendrik; Vrielinck, Henk; Pauwels, Ewald; Sagstuen, Einar; Waroquier, Michel & Callens, Freddy J. (2009). Thermally activated reactions of radiation-induced radicals in sugar single crystals: an electron magnetic resonance and DFT study.
  • Krivokapic, Andre; Øhman, Kjell Tage; Hole, Eli Olaug; Nelson, William H. & Sagstuen, Einar (2009). Primary Oxidation Radical in X-irradiated 5-Methylcytosine; Hindered rotation of Methyl group.
  • Pauwels, Ewald; Hole, Eli Olaug; Sagstuen, Einar & Waroquier, M (2009). Elucidation of radiation-induced processes using DFT calculations.
  • Sagstuen, Einar (2009, 08. oktober). Vinnere og tapere i norsk forskning.  Morgenbladet.
  • Stølen, Svein & Sagstuen, Einar (2009). Budsjettkutt truer klimadrøm. Dagens næringsliv.  ISSN 0803-9372.
  • Stølen, Svein & Sagstuen, Einar (2009). Finansieringsordning truer miljøforskningen. Uniforum.  ISSN 1891-5825.
  • Tarpan, Michaela; De Cooman, Hendrik; Vrielinck, Henk; Pauwels, Ewald; Waroquier, Michel; Sagstuen, Einar & Callens, Freddy J. (2009). Combined electron magnetic resonance study and density functional theory study of thermally induced. free radical reactions in fructose and trehalose single crystals.
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Waroquier, Michel & Callens, F. (2008). Radicals in sucrose single crystals induced by X-rays at different temperatures: a combined EPR and DFT study. Radioprotection - Revue de la Societé Francaise de Radioprotection.  ISSN 0033-8451.  43(5), s 223
  • De Coomann, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Waroquier, Michel & Callens, F. (2008). Radicals induced in sucrose single crystals by X-irradiation: unravelling radical formation mechanisms using EMR experiments and DFT calculations.
  • Hole, Eli Olaug; Gjøvik, Marie E.; Grøvik, Endre; Paulsen, Kristin; Fetene, Deneke & Sagstuen, Einar (2008). Stabilisering av radikaler i litiumformat for lav-dose EPR spektroskopi.
  • Knudtsen, Ingerid Skjei; Hole, Eli Olaug & Sagstuen, Einar (2008). Strålingsindusert radikaldannelse i enkrystaller av l-asparagin monohydrat ved 295 K.
  • Krivokapic, Andre & Sagstuen, Einar (2008). Methyl group tunneling rotation in the primary electron loss product in X-irradiated 5-methylcytosine.
  • Krivokapic, Andre; Øhman, Kjell Tage; Hole, Eli Olaug; Nelson, William H. & Sagstuen, Einar (2008). Primary oxidation radical in X-irradiated 5-methylcytosine, a mutational hotspot in DNA. Radioprotection - Revue de la Societé Francaise de Radioprotection.  ISSN 0033-8451.  43(5), s 133
  • Olsen, Bård; Sagstuen, Einar & Hole, Eli Olaug (2008). Strålingsinduserte radikaler i enkrystaller av L-arginine monofosfat monohydrat ved 295 K og 77 K.
  • Pauwels, Ewald; Sagstuen, Einar; Hole, Eli Olaug & Waroquier, Michel (2008). Elucidation of radiation induced processes in alanine using DFT calculations.
  • Øhman, Kjell Tage & Sagstuen, Einar (2008). A cluster DFT study of the decarboxylation radical in single crystals of l-cysteic acid monohydrate.
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Dimitrova, Anna; Yordanov, N.D.; Sagstuen, Einar; Waroquier, Michel & Callens, F. (2007). Radiation-Induced Defects in Sucrose Single Crystals, Revisited: a Combined Electron Magnetic Resonance and Density Functional Theory Study.
  • Krivokapic, Andre; Herak, Janko N. & Sagstuen, Einar (2007). Long-range Proton-Coupled Electron- and Hole Transfer between DNA Components in the solid State.
  • Sagstuen, Einar & Hole, Eli Olaug (2007). Radiation Physics and Chemistry in Oslo.
  • Øhman, Kjell Tage & Sagstuen, Einar (2007). Calculation of Carboxylic Anion Hyperfine Couplings and Determination of Molecular Conformation by Computational Chemistry.
  • Eldevik, Kristine; Sagstuen, Einar & Hole, Eli Olaug (2006). Radikaldanning i røntgenbestrålte einkrystaller av N-acetyl-L-tyrosin. EPR, ENDOR, EIE of DFT studiar.
  • Hole, Eli Olaug; Malinen, Eirik; Vestad, Tor Arne; Waldeland, Einar & Sagstuen, Einar (2006). Is Lithium Formate an Alternative to Alanine at Low Doses?.
  • Krivokapic, Andre & Sagstuen, Einar (2006). Proton-coupled Hole Transfer between DNA Components in the Solid State.
  • Sagstuen, Einar; Hole, Eli Olaug; Close, David M.; Vågane, Randi & Nelson, William H. (2006). Stråleskader i DNA:proteinkomplekser.
  • Sagstuen, Einar; Hole, Eli Olaug; Vågane, Randi & Nelson, William H. (2006). Radiation induced spin transfer in model DNA:protein complexes.
  • Sagstuen, Einar; Malinen, Eirik; Vestad, Tor Arne; Waldeland, Einar & Hole, Eli Olaug (2006). Development of a solid state EPR dosimeter for low radiation doses.
  • Sagstuen, Einar; Malinen, Eirik; Vestad, Tor Arne; Waldeland, Einar & Hole, Eli Olaug (2006). Lithium Formate as a Low-Dose EPR Radiation Dosimeter.
  • Vanhaelewyn, Gauthier; Sagstuen, Einar & Callens, F. (2006). Electron magnetic resonance of radiation-induced radicals in sugar compounds relevant for radiation-induced damages in DNA.
  • Øhman, Kjell Tage; Sanderud, Audun; Hole, Eli Olaug & Sagstuen, Einar (2006). Single crystals of l-o-Serine Phosphate X-irradiated at low temperatures: EOR, ENDOR, EIE and DFT studies.
  • Sanderud, Audun; Vestad, Tor Arne & Sagstuen, Einar (2006). Strålingsinduserte radikaler i litium formate monohydrat.
  • Gancheva, V.; Yordanov, N.D.; Callens, F.; Vanhaelewyn, Gauthier; Raffi, J.; Onori, S.; Malinen, Eirik; Sagstuen, Einar; Fabisiak, S. & Stuglik, Zofia (2005). Self-calibrated dosimeters for solid state/EPR dosimetry: an international intercomparison.
  • Malinen, Eirik; Waldeland, Einar; Hole, Eli Olaug & Sagstuen, Einar (2005). LET effects following neutron irradiation of lithium formate EPR dosimeters.
  • Vanhaelewyn, Gauthier; Callens, F.; Matthys, Paul & Sagstuen, Einar (2005). Electron magnetic resonance of x-irradiated potassium salt of glucose-1-phosphate.

View all works in Cristin

Published Nov. 4, 2010 12:34 PM - Last modified Jan. 7, 2013 10:21 PM