Einar Sagstuen

Professor Emeritus
Bilde av Einar Sagstuen
English version of this page
Telefon ++47 228 55653
Mobiltelefon ++47 957 98170
Rom KV 340
Brukernavn
Besøksadresse Sem Sælandsvei 26 Kjemibygningen Blindern 0371 Oslo
Postadresse Fysikkbygget Postboks 1048 Blindern 0316 Oslo

Faglige interesser

De vitenskapelige hovedinteresse-områdene kan summeres opp som: Strålingsfysikk, strålingsbiofysikk og medisinsk fysikk. Dette omfatter:

  •  Effekter av stråling i biologiske makromolekyler og modellsystem:
  1. Strålingsindusert reduksjon og oksydasjon av DNA 
  2. Ladningstransport i DNA,
  3. protonoverføringer mellom ioniserte basepar i DNA
  4. energioverføring mellom DNA og proteiner
  5. kvantekjemiske beregninger på modellsystemer.
  • Strålingsdosimetri:
  1.  EPR spektroskopi og dosimetri
  2.  Egenskaper hos alanin som EPR dosimeter
  3.  utvikling og testing av nye dosimetermaterialer.
  •  EPR-spektroskopi:
  1.  Metodiske og teoretiske utviklinger
  2.  instrumentering
  3.  Ulike applikasjoner  (eks. katalyse, spin trapping)
Emneord: strålingsbiofysikk, EPR spektroskopi, ESR spektroskopi, biomedisinsk fysikk, biofysikk, medisinsk fysikk, strålingsfysikk, magnetisk resonans, dosimetri

Publikasjoner

  • Li, Lu; Chavan, Sachin Maruti; Ganjkhanlou, Yadolah; Groppo, Elena; Sagstuen, Einar & Bordiga, Silvia [Vis alle 8 forfattere av denne artikkelen] (2022). Characterization of the NiSO<inf>4</inf> site on a NiSO<inf>4</inf>-ReO<inf>x</inf>/γ-Al<inf>2</inf>O<inf>3</inf> catalyst for tandem conversion of ethylene to propylene. Applied Catalysis A : General. ISSN 0926-860X. 637. doi: 10.1016/j.apcata.2022.118598.
  • Sagstuen, Einar; Kugler, Veronika; Hole, Eli Olaug & Lund, Anders (2022). Radicals in ammonium tartrate at 295 K by X-radiation: Revised radical structures by EMR and DFT analyses. Radiation Physics and Chemistry. ISSN 0969-806X. 196. doi: 10.1016/j.radphyschem.2022.110097.
  • Lund, Anders; Callens, Freddy J. & Sagstuen, Einar (2021). Determination of the g-, hyperfine coupling- and zero-field splitting tensors in EPR and ENDOR using extended Matlab codes. Journal of magnetic resonance (San Diego, Calif. 1997 : Print). ISSN 1090-7807. 325. doi: 10.1016/j.jmr.2021.106956. Fulltekst i vitenarkiv
  • Kang, Xiaolan; Berberidou, Chrysanthi; Galeckas, Augustinas; Bazioti, Kalliopi; Sagstuen, Einar & Norby, Truls Eivind [Vis alle 8 forfattere av denne artikkelen] (2021). Visible Light Driven Photocatalytic Decolorization and Disinfection of Water Employing Reduced TiO2 Nanopowders. Catalysts. ISSN 2073-4344. 11(2). doi: 10.3390/catal11020228. Fulltekst i vitenarkiv
  • Weber, Florian; Sagstuen, Einar; Zhong, Qi-Zhi; Zheng, Tian & Tiainen, Hanna (2020). Tannic Acid Radicals in the Presence of Alkali Metal Salts and Their Impact on the Formation of Silicate-Phenolic Networks. ACS Applied Materials & Interfaces. ISSN 1944-8244. 12(47), s. 52457–52466. doi: 10.1021/acsami.0c16946. Fulltekst i vitenarkiv
  • Jåstad, Eirik Ogner; Torheim, Turid K Gjerstad; Villeneuve, Kathleen; Kvaal, Knut; Hole, Eli Olaug & Sagstuen, Einar [Vis alle 8 forfattere av denne artikkelen] (2017). In Quest of the Alanine R3 Radical: Multivariate EPR Spectral Analyses of X‑Irradiated Alanine in the Solid State. Journal of Physical Chemistry A. ISSN 1089-5639. 121(38), s. 7139–7147. doi: 10.1021/acs.jpca.7b06447. Fulltekst i vitenarkiv
  • 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. Fulltekst i vitenarkiv
  • 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.
  • 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.
  • 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.
  • 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.
  • Vrielinck, Henk; De Cooman, Hendrik; Callens, Freddy J. & Sagstuen, Einar (2014). Radiation Chemistry of Solid-State Carbohydrates using EMR. I Lund, Anders & Shiotani, Masaru (Red.), Applications of EPR in Radiation Research. Springer. ISSN 978-3-319-09215-7. s. 189–254. doi: 10.1007/978-3-319-09216-4_6.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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; 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.
  • 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.
  • 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.
  • 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.
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar; Van Doorslaer, Sabine & Waroquier, Michel [Vis alle 7 forfattere av denne artikkelen] (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.
  • Gancheva, V.; Yordanov, N.D.; Callens, F.; Vanhaelewyn, Gauthier; Raffi, J. & Bortolin, E [Vis alle 11 forfattere av denne artikkelen] (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.
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Dimitrova, Anna; Sagstuen, Einar & Waroquier, Michel [Vis alle 8 forfattere av denne artikkelen] (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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.

Se alle arbeider i 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.

Se alle arbeider i Cristin

  • Weber, Florian; Sagstuen, Einar & Tiainen, Hanna (2021). Influence of monovalent ions on the coating formation of tannic acid.
  • Weber, Florian; Sagstuen, Einar & Tiainen, Hanna (2020). Chemistry of Silica-Phenolic Networks.
  • Hole, Eli Olaug; Edin, Nina Frederike J; Malinen, Eirik; Pettersen, Erik O & Sagstuen, Einar (2017). Biophysics and medical physics at UiO: Research and education. An incomplete overview.
  • Sagstuen, Einar; Malinen, Eirik; Futsæther, Cecilia Marie & Hole, Eli Olaug (2017). Solid state dosimetry using the amino acid alanine: in quest for the third alanine radical using multivariate analysis.
  • Papoutsis, iosif; Arnesen, Marius Røthe; Sande, Erlend P. S.; Sagstuen, Einar; Knudtsen, Ingerid Skjei & Malinen, Eirik (2017). From dose prescription to dose delivery - can dose painting by numbers be accurately delivered?
  • Henriksen, Thormod & Sagstuen, Einar (2016). Fysikk fra medisinsk diagnostikk til samfunnssikkerhet. Fra Fysikkens Verden. ISSN 0015-9247. s. 48–54.
  • 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). ab initio molecular dynamics simulations of radiation induced radical formation.
  • 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). A method for investigating radiation damage.
  • 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.
  • Sagstuen, Einar (2013). EPR spectroscopy at the University of Oslo.
  • 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; 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; De Cooman, Hendrik; Hole, Eli Olaug & Sagstuen, Einar (2013). Understanding selective radical formation in biomolecules after irradiation.
  • Krivokapic, Andre; Aalbergsjø, Siv Gundrosen; Malinen, Eirik; De Cooman, Hendrik; Hole, Eli Olaug & Sagstuen, Einar (2012). Lithium formate - a challenging low-dose radiation dosimeter.
  • Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; Hole, Eli Olaug & Sagstuen, Einar (2012). "Seeing" the molecules - using DFT calculations and periodiv boundary conditions.
  • Sagstuen, Einar (2011). Developing Physics. Public Service Review: European Science & Technology. s. 111–112.
  • Waldeland, Einar; Hole, Eli Olaug; Sagstuen, Einar & Malinen, Eirik (2010). Energy dependence of alanine and lithium formate EPR dosimeters and LiF TL-dosimeters.
  • 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.
  • Waldeland, Einar; Hole, Eli Olaug; Sagstuen, Einar & Malinen, Eirik (2010). Energy response to medium-energy X-rays for alanine and lithium formate EPR dosimeters.
  • Gjøvik, Marie; Malinen, Eirik; Sagstuen, Einar & Hole, Eli Olaug (2010). Lithium formate in EPR dosimetry: The story continues.
  • 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; Tarpan, Michaela; Pauwels, Ewald; Vrielinck, Henk; Sagstuen, Einar & Waroquier, Michel [Vis alle 7 forfattere av denne artikkelen] (2010). Exploring the direct-effect radiation chemistry of solid-state carbohydrates using EMR and DFT.
  • De Cooman, Hendrik; Aalbergsjø, Siv Gundrosen; Pauwels, Ewald; Sagstuen, Einar; Hole, Eli Olaug & Callens, Freddy J. [Vis alle 7 forfattere av denne artikkelen] (2010). Which role do excited states play in radiation damage to organic solid-state compounds?
  • 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.
  • Sagstuen, Einar (2009). Vinnere og tapere i norsk forskning. [Avis]. Morgenbladet.
  • Pauwels, Ewald; Hole, Eli Olaug; Sagstuen, Einar & Waroquier, M (2009). Elucidation of radiation-induced processes using DFT calculations.
  • 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.
  • 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.
  • Tarpan, Michaela; De Cooman, Hendrik; Vrielinck, Henk; Pauwels, Ewald; Waroquier, Michel & Sagstuen, Einar [Vis alle 7 forfattere av denne artikkelen] (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; 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.
  • 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.
  • 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).
  • 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).
  • Krivokapic, Andre & Sagstuen, Einar (2008). Methyl group tunneling rotation in the primary electron loss product in X-irradiated 5-methylcytosine.
  • 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.
  • 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.
  • 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.
  • Olsen, Bård; Sagstuen, Einar & Hole, Eli Olaug (2008). Strålingsinduserte radikaler i enkrystaller av L-arginine monofosfat monohydrat ved 295 K og 77 K.
  • Knudtsen, Ingerid Skjei; Hole, Eli Olaug & Sagstuen, Einar (2008). Strålingsindusert radikaldannelse i enkrystaller av l-asparagin monohydrat ved 295 K.
  • Sagstuen, Einar & Hole, Eli Olaug (2007). Radiation Physics and Chemistry in Oslo.
  • De Cooman, Hendrik; Pauwels, Ewald; Vrielinck, Henk; Dimitrova, Anna; Yordanov, N.D. & Sagstuen, Einar [Vis alle 8 forfattere av denne artikkelen] (2007). Radiation-Induced Defects in Sucrose Single Crystals, Revisited: a Combined Electron Magnetic Resonance and Density Functional Theory Study.
  • Øhman, Kjell Tage & Sagstuen, Einar (2007). Calculation of Carboxylic Anion Hyperfine Couplings and Determination of Molecular Conformation by Computational Chemistry.
  • 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; Close, David M.; Vågane, Randi & Nelson, William H. (2006). Stråleskader i DNA:proteinkomplekser.
  • Eldevik, Kristine; Sagstuen, Einar & Hole, Eli Olaug (2006). Radikaldanning i røntgenbestrålte einkrystaller av N-acetyl-L-tyrosin. EPR, ENDOR, EIE of DFT studiar.
  • Krivokapic, Andre & Sagstuen, Einar (2006). Proton-coupled Hole Transfer between DNA Components in the Solid State.

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Publisert 4. nov. 2010 12:34 - Sist endret 5. jan. 2018 17:21