Lennart B-Å Johansson

Research qualifications: Docent

Contact

lennart.b.johansson@umu.se

+46 90 786 51 49, +46 70 212 25 21

Works at

Affiliated as professor emeritus at Department of Chemistry

KB.A4, Linnaeus väg 10, (rum: A4.29.01) Umeå universitet, 901 87 Umeå

Publications Publications

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.

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.

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.

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.

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.

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.

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

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.

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

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.

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.

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.

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.

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.

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.

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.

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

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.

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

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

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.

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

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

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

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.

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.

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.

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

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.

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.

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.

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.

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.

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

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

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.

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.

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.

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.

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

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.

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.

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.

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

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

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.

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.

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.

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

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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