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Umeå University
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Per-Olof Westlund

Research qualifications: Docent

Contact

E-mail
per-olof.westlund@umu.se
Phone
+46 70 568 57 79

Works at

Affiliation
Affiliated as professor emeritus at Department of Chemistry
Location
KB.A4, Linnaeus väg 10 Umeå universitet, 901 87 Umeå
Spin-spin relaxation of nuclear quadrupole resonance coherences and the important role of degenerate energy levels
Molecular Physics, Taylor & Francis 2020, Vol. 118, (17)
Goesweiner, Christian; Westlund, Per-Olof; Scharfetter, Hermann
Analysis of the behaviour of confined molecules using 2H T1 nuclear magnetic relaxation dispersion
Molecular Physics, Taylor & Francis 2020, Vol. 118, (6)
Shamshir, Adel; Sparrman, Tobias; Westlund, Per-Olof
Uptake Kinetics of Methymerucy in a Freshwater Alga Exposed to Methylmercury Complexes with Environmentally Relevant Thiols
Environmental Science and Technology, American Chemical Society (ACS) 2019, Vol. 53, (23) : 13757-13766
Skrobonja, Aleksandra; Gojkovic, Zivan; Soerensen, Anne L.; et al.
A proton T1-nuclear magnetic resonance dispersion study of water motion in snowflakes and hexagonal ice
Molecular Physics, Taylor & Francis 2019, Vol. 117, (7-8) : 960-967
Westlund, Per-Olof
Disentanglement of a Singlet Spin State in a Coincidence Stern-Gerlach Device
Journal of Modern Physics, Vol. 10, (10) : 1247-1254
Westlund, Per-Olof; Wennerström, Håkan
Tuning Nuclear Quadrupole Resonance: A Novel Approach for the Design of Frequency-Selective MRI Contrast Agents
Physical Review X, American Physical Society 2018, Vol. 8, (2)
Gösweiner, Christian; Lantto, Perttu; Fischer, Roland; et al.
Correlated/non-correlated ion dynamics of charge-neutral ion couples: the origin of ionicity in ionic liquids
Physical Chemistry, Chemical Physics - PCCP, Vol. 19, (7) : 4975-4988
Driver, Gordon W.; Huang, Yang; Laaksonen, Aatto; et al.
Internal Structure of Isolated Cellulose I Fibril Aggregates in the Water Swollen State
Nanocelluloses: their preparation, properties, and applications, American Chemical Society (ACS) 2017 : 91-112
Larsson, Per Tomas; Karlsson, Rose-Marie Pernilla; Westlund, Per-Olof; et al.
A Quantum Description of the Stern–Gerlach Experiment
Entropy, Basel: MDPI 2017, Vol. 19, (5)
Wennerström, Håkan; Westlund, Per-Olof
A Proton Water T1-NMRD Study of Ganglioside Micelles
Universal Journal of Chemistry, Vol. 4, (2) : 69-73
Westlund, Per-Olof
Water proton and deuterium spin-lattice relaxation in Zeolite ZSM-5 by fast field-cycling NMR relaxometry
Huang, Yang; Siljebo, William; Westlund, Per-Olof
Analysis of proton/fluoride spin-lattice NMR dispersion experiment of an ionic liquid, BMIM[PF6] by using molecular dynamics simulations and relaxation theory
Huang, Yang; Sparrman, Tobias; Wang, Young-lei; et al.
Hydration of the oxygen-evolving complex of photosystem II probed in the dark-stable S1 state using proton NMR dispersion profiles
Physical Chemistry, Chemical Physics - PCCP, Royal Society of Chemistry 2014, (16) : 11924-11935
Han, Guangye; Huang, Yang; Koua, Faisal Hammad Mekky; et al.
The water R1(ω) NMRD profiles of a hydrated protein from molecular dynamics simulation
Physical Chemistry, Chemical Physics - PCCP, RSC Publishing 2013, Vol. 15, (33) : 14089-14097
Huang, Yang; Nam, Kwangho; Westlund, Per-Olof
On Stern‐Gerlach coincidence measurements and their application to Bell's theorem
Physics essays, Ottawa: Physics Essays Publication 2013, Vol. 26, (2) : 174-180
Wennerström, Håkan; Westlund, Per-Olof
Concentration enrichment of urea at cellulose surfaces: results from molecular dynamics simulations and NMR spectroscopy
Cellulose, Springer Science+Business Media B.V. 2012, Vol. 19, (1) : 1-12
Bergenstråhle-Wohlert, Malin; Berglund, Lars A; Brady, John W; et al.
Mercury methylation rates for geochemically relevant HgII species in sediments
Environmental Science and Technology, American Chemical Society (ACS) 2012, Vol. 46, (21) : 11653-11659
Jonsson, Sofi; Skyllberg, Ulf; Nilsson, Mats B; et al.
The molecular mechanism of urea denaturation
Advances in Chemistry Research: Volume 11
Lindgren, Matteus; Westlund, Per-Olof
The Stern-Gerlach experiment and the effects of spin relaxation
Physical Chemistry, Chemical Physics - PCCP, RSC Publishing 2012, Vol. 14 : 1677-1684
Wennerström, Håkan; Westlund, Per-Olof
Theoretical reason for the lack of influence of 1H–14N cross-relaxation on the water proton T 1 NMRD profile in slow tumbling proteins
Molecular Physics, Vol. 110, (18) : 2251-2255
Westlund, Per-Olof
Magnetic and Electron Spin Relaxation Properties of (GdxY1−x)2O3 (0 ≤ x ≤ 1) Nanoparticles Synthesized by the Combustion Method. Increased Electron Spin Relaxation Times with Increasing Yttrium Content
The Journal of Physical Chemistry C, American Chemical Society (ACS) 2011, Vol. 115, (13) : 5469-5477
Gustafsson, Håkan; Ahrén, Maria; Söderlind, Fredrik; et al.
A combined molecular dynamic simulation and Urea 14N NMR relaxation study of the Urea - lysozyme system
Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy, Elsevier 2010, Vol. 75, (3) : 953-9
Lindgren, Matteus; Sparrman, Tobias; Westlund, Per-Olof
On the stability of chymotrypsin inhibitor 2 in a 10 M urea solution: the role of interaction energies for urea-induced protein denaturation
Physical Chemistry, Chemical Physics - PCCP, Cambridge: RSC publishing 2010, Vol. 12, (32) : 9358-9366
Lindgren, Matteus; Westlund, Per-Olof
The affect of urea on the kinetics of local unfolding processes in chymotrypsin inhibitor 2
Biophysical Chemistry, Vol. 151, (1-2) : 46-53
Lindgren, Matteus; Westlund, Per-Olof
The quadrupole enhanced (1)H spin-lattice relaxation of the amide proton in slow tumbling proteins
Physical Chemistry, Chemical Physics - PCCP, Vol. 12, (13) : 3136-40
Westlund, Per-Olof
Electron spin relaxation at low field
Physical Chemistry, Chemical Physics - PCCP, Vol. 12, (1) : 201-206
Westlund, Per-Olof; Wennerström, Håkan
A theoretical spin relaxation and molecular dynamics simulation study of the Gd(H2O)93+ complex
Physical Chemistry, Chemical Physics - PCCP, Royal Society of Chemistry 2009, Vol. 11 : 10368-76
Lindgren, Matteus; Laaksonen, Aatto; Westlund, Per-Olof
Fluorescence spectroscopic properties analysed within the extended Förster theory with application to Biomacromolecular systems
Journal of Fluorescence, Springer 2009, Vol. 19, (5) : 837-845
Norlin, Nils; Westlund, Per-Olof; Johansson, Lennart B-Å
Quadrupole-enhanced proton spin relaxation for a slow reorienting spin pair: (I)-(S). A stochastic Liouville approach
Molecular Physics, Taylor & Francis 2009, Vol. 107, (20) : 2141-8
Westlund, Per-Olof
Comparison of different methods for calculating the paramagnetic relaxation enhancement of nuclear spins as a function of the magnetic field
Journal of Chemical Physics, American Institute of Physics (AIP) 2008, Vol. 128, (5)
Belorizky, Elie; Fries, Pascal H; Helm, Lothar; et al.
Extensive NMRD studies of Ni(II) salt solutions in water and water-glycerol mixtures
Journal of magnetic resonance, Vol. 195, (1) : 103-11
Kowalewski, J; Egorov, A; Kruk, D; et al.
Extended Förster theory for determining intraprotein distances: Part III. Partial donor–donor energy migration among reorienting fluorophores
Physical Chemistry, Chemical Physics - PCCP, Vol. 10 : 6962-70
Norlin, Nils; Håkansson, Per; Westlund, Per-Olof; et al.
On the quantitative molecular analysis of electronic energy transfer within donor–acceptor pairs
Physical Chemistry, Chemical Physics - PCCP, Vol. 9 : 1941-51
Isaksson, Mikael; Norlin, Nils; Westlund, Per-Olof; et al.
Direct calculation of (H2O)-H-1 T-1 NMRD profiles and EPR lineshapes for the electron spin quantum numbers S=1, 3/2, 2, 5/2, 3, 7/2, based on the stochastic Liouville equation combined with Brownian dynamics simulation
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Royal Society of Chemistry 2007, Vol. 9, (6) : 691-700
Åman, Ken; Westlund, Per-Olof
The effect of memory in the stochastic master equation analyzed using the stochastic Liouville equation of motion: Electronic energy migration transfer between reorienting donor–donor, donor–acceptor chromophores
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Vol. 61, (1-2) : 299-304
Håkansson, Pär; Westlund, Per-Olof
Line shapes in CP/MAS 13C NMR spectra of cellulose I
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Vol. 62, (1-3) : 539-46
Larsson, Per Tomas; Westlund, Per-Olof
Photon emission from translational energy in atomic collisions: A dynamic Casimir-Polder effect
PHYSICAL REVIEW A, Vol. A 71, (062106) : 1-5
Westlund, Per-Olof; Wennerstrom, H.
The viscosity and temperature dependence of 1H T1-NMRD of the Gd(H2O)83+ complex
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Vol. 62, (1-3) : 335-42
Zhou, Xiangzhi; Westlund, Per-Olof
The viscosity and temperature dependence of 1H T1-NMRD of the Gd(H2O)83+ complex
Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy, Elsevier 2005, Vol. 62, (1-3) : 335-342
Zhou, Xiangzhi; Westlund, Per-Olof
The Viscosity and Temperature dependence of X-band ESR lineshapes of Gd(III) Aqueous Complex
Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy, Elsevier 2005, Vol. 62, (1-3) : 76-82
Zhou, Xiangzhi; Westlund, Per-Olof
1H NMRD profiles and ESR lineshapes of Gd(III) complexes: a comparison between the generalized SBM and the stochastic Liouville approach
Journal of magnetic resonance, San Diego: Academic Press 2005, Vol. 173, (1) : 75-83
Zhou, Xiangzhi; Westlund, Per-Olof
A general approach to the calculation of 2H2O NMR lineshapes in microheterogeneous systems: a distorted bicontinuous cubic phase
Physical Chemistry, Chemical Physics - PCCP, Royal Society of Chemistry 2005, Vol. 7, (7) : 1394-1401
Åman, Ken; Håkansson, Pär; Westlund, Per-Olof
Extended Förster theory for determining intraprotein distances: 1. The K2-dynamics and fluorophore reorientation
Journal of Physical Chemistry B, Vol. 108, (44) : 17243-17250
Håkansson, Pär; Isaksson, Mikael; Westlund, Per-Olof; et al.
Nuclear and electron spin relaxation in paramagnetic complexes in solution: Effects of the quantum nature of molecular vibrations
The Journal of Chemical Physics, Vol. 121, (5) : 2215-27
Kruk, Danuta; Kowalewski, Jozef; Westlund, Per-Olof
On the philosophy of optimizing contrast agents: an analysis of 1H NMRD profiles and ESR lineshapes of the Gd(III)complex MS-325 + HSA
Journal of magnetic resonance, San Diego: Academic Press 2004, Vol. 167, (1) : 147-160
Zhou, Xiangzhi; Caravan, Peter; Clarkson, R B; et al.
The Electron Spin Relaxation and Paramagnetic Relaxation Enhancement: an Application of the Stochastic Liouville Equation in the Langevin Form
Molecular Physics, London: Taylor and Francis Ltd 2004, Vol. 102, (9-10) : 1085-1093
Åman, Ken; Westlund, Per-Olof
An NMR line shape and relaxation analysis of heavy water powder spectra of the L, L and P phases in the DPPC/water system
Physical Chemistry Chemical Physics, Vol. 5 : 2114-21
Sparrman, Tobias; Westlund, Per-Olof
Structure and Dynamics of Interfacial Water in an L Phase Lipid Bilayer from Molecular Dynamics Simulations
Biophysical Journal, Vol. 84 : 102-15
Åman, Ken; Lindahl, Erik; Edholm, Olle; et al.
Itô diffusions on hypersurfaces with application to the Schwarz-P surface and nuclear magnetic resonance theory
The Journal of Chemical Physics, Vol. 117, (19) : 8634-43
Håkansson, P; Persson, L; Westlund, Per-Olof
The mathematical theory of Ito diffusions on hypersurfaces, with applications to NMR relaxation problems
Journal of Mathematical Chemistry, New York: Kluwer Academic Publishers 2002, Vol. 31, (1) : 65-89
Persson, Leif; Cegrell, Urban; Usova, N; et al.
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