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Lennart B-Å Johansson
Research qualifications:
Docent
Contact
E-mail
lennart.b.johansson@umu.se
Phone
+46 70 212 25 21
Works at
Affiliation
Affiliated as professor emeritus at
Department of Chemistry
Location
KB.A4, Linnaeus väg 10, (rum: A4.29.01)
Umeå universitet, 901 87 Umeå
Publications
Publications
2019
Fluorescence Studies of Lipid Distribution in Bilayers under Oxidative Stress
Biophysical Journal
, CELL PRESS 2019, Vol. 116, (3) : 508A-508A
Alam, Md Khorshed; Vinklarek, Ivo; Gröbner, Gerhard; et al.
2014
Macromolecular crowding effects on two homologs of ribosomal protein S16: protein-dependent structural changes and local interactions
Biophysical Journal
, Vol. 107, (2) : 401-410
Mikaelsson, Therese; Ådén, Jörgen; Wittung-Stafshede, Pernilla; et al.
2013
Synthesis of fluorescent ring-fused 2-pyridone peptidomimetics
Journal of Organic Chemistry
, American Chemical Society (ACS) 2013, Vol. 78, (23) : 12207-12213
Krishnan, K. Syam; Bengtsson, Christoffer; Good, James A. D.; et al.
2013
Direct Observation of Protein Unfolded State Compaction in the Presence of Macromolecular Crowding
Biophysical Journal
, Cell Press 2013, Vol. 104, (3) : 694-704
Mikaelsson, Therese; Ådén, Jörgen; Johansson, Lennart B-Å; et al.
2012
Design and Synthesis of Fluorescent Pilicides and Curlicides: Bioactive Tools to Study Bacterial Virulence Mechanisms
Chemistry - A European Journal
, Berlin: Wiley-VCH Verlagsgesellschaft 2012, Vol. 18, (15) : 4522-4532
Chorell, Erik; Pinkner, Jerome S; Bengtsson, Christoffer; et al.
2012
Dynamics and size of crosslinking-induced lipid nanodomains in model membranes
Biophysical Journal
, Vol. 102, (3) : 294a-
Humpolickova, Jana; Stefl, Martin; Sachl, Radek; et al.
2012
On the analyses of fluorescence depolarisation data in the presence of electronic energy migration: Part I. Theory and general description
Physical Chemistry, Chemical Physics - PCCP
, Cambridge: RSC Publishing 2012, Vol. 14 : 1907-1916
Opanasyuk, Oleg; Johansson, Lennart B-Å
2012
On the analyses of fluorescence depolarisation data in the presence of electronic energy migration.: II. Applying & Evaluating Two-Photon Excited Fluorescence
Physical Chemistry, Chemical Physics - PCCP
, Vol. 14 : 1917-1922
Opanasyuk, Oleg; Mikaelsson, Therese; Ryderfors, Linus; et al.
2012
Förster Resonance Energy Transfer (FRET) between Heterogeneously Distributed Probes: Application to Lipid Nanodomains and Pores
International Journal of Molecular Sciences
, MDPI 2012, Vol. 13, (12) : 16141-16156
Sachl, Radek; Johansson, Lennart B-Å; Hof, Martin
2012
Dynamics and size of cross-linking-induced lipid Nanodomains in model Membranes
Biophysical Journal
, Vol. 102, (9) : 2104-2113
Stefl, Martin; Sachl, Radek; Humpolickova, Jana; et al.
2011
A versatile standard for bathochromic fluorescence based on intramolecular FRET
Physical Chemistry, Chemical Physics - PCCP
, RSC Publishing 2011, Vol. 13, (23) : 11055-11059
Langhals, Heinz; Walter, Andreas; Rosenbaum, Erik; et al.
2011
Limitations of electronic energy transfer in the determination of lipid nanodomain sizes
Biophysical Journal
, Elsevier 2011, Vol. 101, (11) : L60-L62
Sachl, Radek; Humpolickova, Jana; Stefl, Martin; et al.
2011
Distribution of BODIPY-labelled phosphatidylethanolamines in lipid bilayers exhibiting different curvatures
Physical Chemistry, Chemical Physics - PCCP
, RSC Publishing 2011, Vol. 13 : 11694-11701
Sachl, Radek; Mikhalyov, Ilya; Gretskaya, Natalia; et al.
2011
Locations and reorientations of multi-ring-fused 2-Pyridones in Ganglioside G
M1
Micelles
Langmuir
, American Chemical Society (ACS) 2011, Vol. 27, (5) : 1662-1667
Sachl, Radek; Rosenbaum, Erik; Sellstedt, Magnus; et al.
2011
Luminescence enhancement from silica-coated gold nanoparticle agglomerates following multi-photon excitation
Journal of Fluorescence
, Springer 2011, Vol. 21, (1) : 257-264
Viarbitskaya, Sviatlana; Ryderfors, Linus; Mikaelsson, Therese; et al.
2010
Designed fluorescent probes reveal interactions between Amyloid-β(1-40) Peptides and G
M1
Gangliosides in Micelles and Lipid Vesicles
Biophysical Journal
, Vol. 99, (5) : 1510-1519
Mikhalyov, I; Olofsson, Anders; Gröbner, Gerhard; et al.
2010
Extended Förster theory: a quantitative approach to the determination of inter-chromophore distances in biomacromolecules
Physical Chemistry, Chemical Physics - PCCP
, Vol. 12, (28) : 7758-7767
Opanasyuk, Oleg; Johansson, Lennart B-Å
2010
Unusual light spectroscopic properties of a 2-Pyridone-based multi-ring-fused Fluorescent Scaffold
Journal of Fluorescence
, Springer 2010, Vol. 20, (6) : 1249-53
Rosenbaum, Erik; Sellstedt, Magnus; Almqvist, Fredrik; et al.
2010
A characterisation study on the application of inverted lyotropic phases for subcutaneous drug release
International journal of pharmaceutics
, Elsevier B.V. 2010, Vol. 388, (1-2) : 52-7
Rosenbaum, Erik; Tavelin, Staffan; Johansson, Lennart B-Å
2010
Localisation of BODIPY-labelled phosphatidylcholines in lipid bilayers
Physical Chemistry, Chemical Physics - PCCP
, RSC Publishing 2010, Vol. 12 : 6027-6034
Sachl, Radek; Boldyrev, Ivan; Johansson, Lennart B-Å
2010
Synthesis and characterization of a multi ring-fused 2-pyridone-based fluorescent scaffold
European Journal of Organic Chemistry
, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim 2010, (32) : 6171-6178
Sellstedt, Magnus; Nyberg, Anders; Rosenbaum, Erik; et al.
2009
Electronic energy transport and Fluorescence Spectroscopy for structural insights into Proteins, Regular Protein Aggregates and Lipid Systems
Reviews In Fluorescence 2007: Volume 2007
, New York: Springer-Verlag 2009 : 53-86
Mikaelsson, Therese; Sachl, Radek; Johansson, Lennart B-Å
2009
Fluorescent BODIPY-labelled G
M1
gangliosides designed for exploring lipid membrane properties and specific membrane-target interactions
Chemistry and Physics of Lipids
, Elsevier Ireland Ltd 2009, Vol. 159, (1) : 38-44
Mikhalyov, Ilya; Gretskaya, Natalia; Johansson, Lennart B-Å
2009
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
2009
Two-photon excited fluorescence depolarisation and electronic energy migration within donor–donor pairs
Physical Chemistry, Chemical Physics - PCCP
, (11) : 7152-7160
Opanasyuk, Oleg; Ryderfors, Linus; Mukhtar, Emad; et al.
2009
A comparative study on ganglioside micelles using electronic energy transfer, fluorescence correlation spectroscopy and light scattering techniques
Physical Chemistry, Chemical Physics - PCCP
, Royal Society of Chemistry 2009, Vol. 11, (21) : 4335-4343
Sachl, Radek; Mikhalyov, Ilya; Hof, Martin; et al.
2008
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.
2008
Excited-State Symmetry and Reorientation Dynamics of Perylenes in Liquid Solutions: Time-Resolved Fluorescence Depolarization Studies Using One- and Two-Photon Excitation
Journal of Physical Chemistry A
, American Chemical Society (ACS) 2008, Vol. 112, (26) : 5794-5803
Ryderfors, Linus; Mukhtar, Emad; Johansson, Lennart B-Å
2008
Extreme temperature tolerance of a hyperthermophilic protein coupled to residual structure in the unfolded state
Journal of Molecular Biology
, Vol. 379, (4) : 845-858
Wallgren, Marcus; Ådén, Jörgen; Pylypenko, Olena; et al.
2007
Extentded Förster theory for determining intraprotein distances: 2. An accurate analysis of fluorescence depolarisation experiments
Physical Chemistry, Chemical Physics - PCCP
, Royal Society of Chemistry 2007, Vol. 9, (29) : 3914-3922
Isaksson, Mikael; Hägglöf, Peter; Håkansson, Pär; et al.
2007
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.
2007
Fluorescence Depolarisation Studies of Filamentous Actin Analysed with a Genetic Algorithm
Biophysical Journal
, CellPress 2007, Vol. 93, (9) : 3291-3299
Marushchak, Denys; Grenklo, Staffan; Johansson, Thomas; et al.
2007
Self-aggregation: an intrinsic property of GM1 in lipid bilayers
Molecular membrane biology
, London: Taylor & Francis 2007, Vol. 24, (2) : 102-112
Marushchak, Denys; Gretskaya, Natalia; Mikhalyov, Ilya; et al.
2007
The Symmetry of Two-Photon Excited States as Determined by Time-Resolved Fluorescence Depolarization Experiments
The Journal of Physical Chemistry
, Vol. 111, (45) : 11531-9
Ryderfors, Linus; Mukhtar, Emad; Johansson, Lennart B-Å
2007
Two-Photon Excited Fluorescence and Molecular Reorientations in Liquid Solutions
Journal of Fluorescence
, Vol. 17, (5) : 466-80
Ryderfors, Linus; Mukhtar, Emad; Johansson, Lennart B-Å
2006
Pyrromethene dyes (BODIPY) can form ground state homo and hetero dimers: photophysics and spectral properties.
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
, Vol. 65, (1) : 113-22
Marushchak, Denys; Kalinin, Stanislav; Mikhalyov, Ilya; et al.
2006
Tryptophan-BODIPY: A versatile donor-acceptor pair for probing generic changes of intraprotein distances
Physical Chemistry Chemical Physics
, Vol. 8, (26) : 3130-40
Olofsson, Maria; Kalinin, Stanislav; Zdunek, Janusz; et al.
2005
Impact of UVR-A on whole human lenses, supernatants of buffered human lens homogenates, and purified argpyrimidine and 3-OH-kynurenine
ACTA OPHTHALMOLOGICA SCANDINAVICA
, Vol. 83, (2) : 221-7
Kessel, Line; Kalinin, Stanislav; Soroka, Vladislav; et al.
2005
On the quantitative treatment of donor-donor energy migration in regularly aggregated proteins
Journal of Fluorescence
, New York: Plenum Press 2005, Vol. 15, (5) : 797-803
Marushchak, Denys; Johansson, Lennart B.A.
2005
Two-photon excited fluorescence depolarisation experiments: II. The proper response function for analysing TCSPC data
CHEMICAL PHYSICS LETTERS
, Vol. 411, (1-3) : 51-60
Ryderfors, Linus; Mukhtar, Emad; Johansson, Lennart B-Å
2004
The reactive-center loop of active PAI-1 is folded close to the protein core and can be partially inserted
Journal of Molecular Biology
, London: Academic Press 2004, Vol. 335, (3) : 823-832
Hägglöf, Peter; Bergström, Fredrik; Wilczynska, Malgorzata; et al.
2004
Extended Förster theory for determining intraprotein distances: 1. The K
2
-dynamics and fluorophore reorientation
Journal of Physical Chemistry B
, Vol. 108, (44) : 17243-17250
Håkansson, Pär; Isaksson, Mikael; Westlund, Per-Olof; et al.
2004
Partial donor-donor energy migration (PDDEM): a novel fluorescence method for internal protein distance measurements
Physical Chemistry, Chemical Physics - PCCP
, Vol. 6, (11) : 3001-3008
Isaksson, Mikael; Kalinin, Stanislav; Lobov, Sergei; et al.
2004
Utility and Considerations of Donor–Donor Energy Migration as a Fluorescence Method for Exploring Protein Structure-Function
Journal of Fluorescence
, Vol. 14, (6) : 681-91
Kalinin, Stanislav; Johansson, Lennart B-Å
2004
Energy migration and transfer rates are invariant to modeling the fluorescence relaxation by discrete and continuous distributions of lifetimes
Journal of Physical Chemistry B
, Vol. 108, (9) : 3092-3097
Kalinin, Stanislav; Johansson, Lennart B-Å
2004
Structural Bases of the Redox-dependent Conformational Switch in the Serpin PAI-2
Journal of Molecular Biology
, Vol. 344, (5) : 1359-68
Lobov, Sergei; Wilczynska, Malgorzata; Bergström, Fredrik; et al.
2003
An environmental-sensitive BODIPY®-derivative with bioapplication: spectral and photophysical properties
Journal of Fluorescence
, Vol. 13, (5) : 379-84
Isaksson, Mikael; Kalinin, Stanislav; Lobov, Sergei; et al.
2003
Syntheses and spectroscopic properties of energy transfer systems based on squaraines
Tetrahedron
, Vol. 59, (17) : 3109-16
Jiao, Guan-Sheng; Loudet, Aurore; Lee, Hong Boon; et al.
2003
Distance Measurements Using Partial Donor-Donor Energy Migration within Pairs of Fluorescent Groups in Lipid Bilayers.
Journal of Physical Chemistry B
, Vol. 107, (14) : 3318-3324
Kalinin, Stanislav; Molotkovsky, Julian G; Johansson, Lennart B-Å
2003
Anthracene-BODIPY Cassettes: Syntheses and Energy Transfer
Chemistry - A European Journal
, Vol. 9, (18) : 4430-41
Wan, Chi-Wai; Burghart, Armin; Chen, Jiong; et al.
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