2025

• Lindgren, Mikael; Bjelland, Victoria Madeleine; Melø, Thor Bernt; McCracken, Callum; Seo, Satoshi; Nakashima, Harue. (2025) The Triplet–Triplet Annihilation Efficiency of Some 9,10-Substituted Diphenyl Anthracene Variants—A Decisive Analysis from Kinetic Rate Constants. Optics
  Vitenskapelig artikkel

2023

• Radotić, Ksenija; Melø, Thor Bernt; Lindgren, Mikael. (2023) A fluorescence spectroscopic study of light transmission and adaxial-abaxial distribution of emitting compounds in leaves of Christmas star (Euphorbia pulcherrima). Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy
  Vitenskapelig artikkel
• Bjelland, Victoria Madeleine; Nakashima, Harue; Hashimoto, Naoaki; Seo, Satoshi; Melø, Thor Bernt; Lindgren, Mikael. (2023) Non-approximative Kinetics of Triplet-Triplet Annihilation at Room Temperature: Solvent Effects on Delayed Fluorescence. ChemPhotoChem
  Vitenskapelig artikkel
• Hageberg, Ingvild Uri; Arja, Katriann; Vindstad, Benedikte Emilie; Bergvoll, Johannes; Gederaas, Odrun Arna; Melø, Thor Bernt. (2023) Photophysics of Glycosylated Ring-Fused Chlorin Complexes and Their Photosensitizing Effects on Cancer Cells. ChemPhotoChem
  Vitenskapelig artikkel

2022

• El-Agamey, Ali; Melø, Thor Bernt; Naqvi, Kalbe Razi; El-Hagrasy, Maha A.; Ohkubo, Kei; Fukuzumi, Shunichi. (2022) Laser flash photolytic generation of radical ions of carotenoids in organic solvents. Studies of their subsequent fates, including formation of stable carotenoid sigma dimer radical anion (CAR)2–. Journal of Photochemistry and Photobiology A: Chemistry (JPPA)
  Vitenskapelig artikkel
• Gederaas, Odrun Arna; Sørensen, Andreas; Lindgren, Mikael; Melø, Thor Bernt; Altin, Dag; Flatby, Ellen M. Samdahl. (2022) Synthesis and in vitro evaluation of a novel thienopyrimidine with phototoxicity towards rat glioma F98 cells. Journal of Photochemistry and Photobiology
  Vitenskapelig artikkel

2020

• El-Agamey, Ali; Melø, Thor Bernt; El-Hagrasy, Maha A.; Partali, Vassilia; Fukuzumi, Shunichi. (2020) Carotenoid radical ions: A laser flash photolysis study. Journal of Photochemistry and Photobiology. B: Biology
  Vitenskapelig artikkel
• Radotic, Ksenija; Melø, Thor Bernt. (2020) Using optical fibers to measure absorption in intact conifer leaves, relative numbers of chloroplasts, and pigment content. Journal of biological physics (Print)
  Vitenskapelig artikkel
• Callaghan, Susan; Vindstad, Benedikte Emilie; Flanagan, Keith J.; Melø, Thor Bernt; Lindgren, Mikael; Grendstad, Kristin. (2020) Structural, photophysical, and photobiological studies on BODIPY‐anthracene dyads. ChemPhotoChem
  Vitenskapelig artikkel

2019

• Røkke, Gunvor Bjerkelund; Melø, Thor Bernt; Mühlroth, Alice; Vadstein, Olav; Bones, Atle M.; Hohmann-Marriott, Martin Frank. (2019) Unique photosynthetic electron transport tuning and excitation distribution in heterokont algae. PLOS ONE
  Vitenskapelig artikkel

2017

• Røkke, Gunvor; Melø, Thor Bernt; Hohmann-Marriott, Martin Frank. (2017) The plastoquinone pool of Nannochloropsis oceanica is not completely reduced during bright light pulses. PLOS ONE
  Vitenskapelig artikkel
• El-Agamey, Ali; Melø, Thor Bernt; Sliwka, Hans-Richard. (2017) Exploring the reactivity of retinol radical cation toward organic and biological molecules: A laser flash photolysis study. Journal of Photochemistry and Photobiology. B: Biology
  Vitenskapelig artikkel
• Kvittingen, Eivind; Kvittingen, Lise; Melø, Thor Bernt; Sjursnes, Birte Johanne; Verley, Richard. (2017) Demonstrating basic properties of spectroscopy using a self-constructed combined fluorimeter and UV-Photometer. Journal of Chemical Education
  Vitenskapelig artikkel

2016

• Radotić, Ksenija; Melø, Thor Bernt; Leblanc, Roger M.; Yousef, Yaser A.; Naqvi, Kalbe Razi. (2016) Corrigendum to Fluorescence and phosphorescence of tryptophan in peptides of different length and sequence [J. Photochem. Photobiol., B Vol. 157, April 2016, Pages 120-128]. Journal of Photochemistry and Photobiology. B: Biology
  Errata
• Bogoeva, Vanya; Siksjø, Monica; Sæterbø, Kristin Grendstad; Melø, Thor Bernt; Bjørkøy, Astrid; Lindgren, Mikael. (2016) Ruthenium porphyrin-induced photodamage in bladder cancer cells. Photodiagnosis and Photodynamic Therapy
  Vitenskapelig artikkel
• Radotic, Ksenija; Melø, Thor Bernt; Leblanc, Roger M; Yousef, Yaser A; Naqvi, Kalbe Razi. (2016) Fluorescence and phosphorescence of tryptophan in peptides of different length and sequence. Journal of Photochemistry and Photobiology. B: Biology
  Vitenskapelig artikkel
• Bassett, David; Håti, Armend Gazmeno; Melø, Thor Bernt; Stokke, Bjørn Torger; Sikorski, Pawel. (2016) Competitive ligand exchange of crosslinking ions for ionotropic hydrogel formation. Journal of materials chemistry. B
  Vitenskapelig artikkel

2015

• Bassett, David; Madzovska, Ivana; Beckwith, Kai Sandvold; Melø, Thor Bernt; Obradovic, bojana; Sikorski, Pawel. (2015) Dissolution of copper mineral phases in biological fluids and the controlled release of copper ions from mineralized alginate hydrogels. Biomedical Materials
  Vitenskapelig artikkel

2014

• Zhang, Lei; Melø, Thor Bernt; Li, Heng; Naqvi, Kalbe Razi; Yang, C. (2014) The inter-monomer interface of the major light-harvesting chlorophyll a/b complexes of photosystem II (LHCII) influences the chlorophyll triplet distribution. Journal of plant physiology
  Vitenskapelig artikkel

2013

• Zaidi, Asma; He, Li; Sliwka, Hans-Richard; Partali, Vassilia; Ernst, Hansgeorge; Melø, Thor Bernt. (2013) Energy and electron transfer of polyenic acids with variable chain lengths. Tetrahedron
  Vitenskapelig artikkel
• Persvik, Øyvind Othar Aunet; Melø, Thor Bernt; Naqvi, Kalbe Razi. (2013) Pulsed-source time-resolved phosphorimetry: comparison of a commercial gated photomultiplier with a specially wired ungated photomultiplier. Photochemical and Photobiological Sciences
  Vitenskapelig artikkel
• Li, Heng; Hag, Leonie van 't; Yousef, YA; Melø, Thor Bernt; Naqvi, Kalbe Razi. (2013) Single shot laser flash photolysis with a fibre-coupled reference beam monitor. Photochemical and Photobiological Sciences
  Vitenskapelig artikkel
• Signorelli, S; Arellano, Juan B.; Melø, Thor Bernt; Borsani, O; Monza, J. (2013) Proline does not quench singlet oxygen: Evidence to reconsider its protective role in plants. Plant physiology and biochemistry (Paris)
  Vitenskapelig artikkel

2012

• Li, Heng; Melø, Thor Bernt; Arellano, Juan B.; Naqvi, Kalbe Razi. (2012) Temporal profile of the singlet oxygen emission endogenously produced by photosystem II reaction centre in an aqueous buffer. Photosynthesis Research
  Vitenskapelig artikkel
• Vollsnes, Ane Victoria; Melø, Thor Bernt; Futsæther, Cecilia Marie. (2012) Photomorphogenesis and pigment induction in lentil seedling roots exposed to low light conditions. Plant Biology
  Vitenskapelig artikkel
• Li, Heng; Melø, Thor Bernt; Naqvi, Kalbe Razi. (2012) Triplets, radical cations and neutral semiquinone radicals of lumiflavin and riboflavin: An overhaul of previous pump-probe data and new multichannel absolute absorption spectra. Journal of Photochemistry and Photobiology. B: Biology
  Vitenskapelig artikkel

2011

• Arellano, Juan B.; Li, Heng; Gonzalez-Perez, S; Gutierrez, J.; Melø, Thor Bernt; Vacha, Frantisek. (2011) Trolox, a Water-Soluble Analogue of alpha-Tocopherol, Photoprotects the Surface-Exposed Regions of the Photosystem II Reaction Center in Vitro. Is This Physiologically Relevant?. Biochemistry
  Vitenskapelig artikkel
• Ekroll, Ingvild Kinn; Gederaas, Odrun Arna; Helander, Linda; Hjelde, Astrid; Melø, Thor Bernt; Johnsson, Anders. (2011) Photo induced hexylaminolevulinate destruction of rat bladder cells AY-27. Photochemical and Photobiological Sciences
  Vitenskapelig artikkel
• Zhang, Ye; Yousef, YA; Li, Heng; Melø, Thor Bernt; Naqvi, Kalbe Razi. (2011) Comparison of the Photochemical Behaviors of alpha-Tocopherol and its Acetate in Organic and Aqueous Mice liar Solutions. Journal of Physical Chemistry A
  Vitenskapelig artikkel

2010

• Naqvi, Kalbe Razi; Li, Heng; Melø, Thor Bernt; Webster, Richard D.. (2010) Spectroscopic Characterization of Neutral and Cation Radicals of alpha-Tocopherol and Related Molecules: A Satisfactory Denouement. Journal of Physical Chemistry A
  Vitenskapelig artikkel
• Kondziella, D.; Risa, O; Melo, TB; Haberg, A; Sonnewald, Ursula. (2010) Tricarboxylic acid cycle activity is impaired in rats with kaolin-induced hydrocephalus. Journal of Neurology
  Sammendrag/Abstract

2009

• Melo, TM; Sonnewald, Ursula; Nehlig, A. (2009) Neuronal glial interactions in an animal model of childhood absence epilepsy. Journal of Neurochemistry
  Sammendrag/Abstract
• Glimsdal, Eirik; Dragland, Ingunn; Carlsson, Marcus; Eliasson, Bertil; Melø, Thor Bernt; Lindgren, Mikael. (2009) Triplet excited states of some thiophene and triazole substituted platinum(II) acetylide chromophores. Journal of Physical Chemistry A
  Vitenskapelig artikkel
• Øpstad, Christer Lorentz; Melø, Thor Bernt; Sliwka, Hans-Richard; Partali, Vassilia. (2009) Formation of DMSO and DMF radicals with minute amounts of base. Tetrahedron
  Vitenskapelig artikkel
• Naqvi, Kalbe Razi; Melø, Thor Bernt; Jávorfi, Tamás; Gonzalez-Perez, Sergio; Arellano, Juan B.. (2009) Facile method for spectroscopic examination of radical ions of hydrophilic carotenoids. Physical Chemistry, Chemical Physics - PCCP
  Vitenskapelig artikkel

2008

• Gonzalez-Perez, S; Quijano, C; Romero, N; Melø, Thor Bernt; Radi, R; Arellano, JB. (2008) Peroxynitrite inhibits electron transport on the acceptor side of higher plant photosystem II. Archives of Biochemistry and Biophysics
  Vitenskapelig artikkel
• Arellano, JB; Torkkeli, M; Tuma, R; Laurinmaki, P; Melø, Thor Bernt; Ikonen, TP. (2008) Hexanol-induced order-disorder transitions in lamellar self-assembling aggregates of bacteriochlorophyll c in Chlorobium tepidum chlorosomes. Langmuir
  Vitenskapelig artikkel
• Helgesen, Geir; Knudsen, Kenneth Dahl; Pinheiro, Jean Patrick; Skjeltorp, Arne T.; Svåsand, Eldrid; Heiberg-Andersen, Henning. (2008) Carbon Cones - a Structure with Unique Properties. Materials Research Society Symposium Proceedings
  Vitenskapelig artikkel
• Merzlyak, Mark N.; Melø, Thor Bernt; Naqvi, Kalbe Razi. (2008) Effect of anthocyanins, carotenoids, and flavonols on chlorophyll fluorescence excitation spectra in apple fruit: signature analysis, assessment, modelling, and relevance to photoprotection. Journal of Experimental Botany
  Vitenskapelig artikkel

2007

• Arellano, Juan B.; Yousef, YA; Melø, Thor Bernt; Mohamad, SBB; Cogdell, RJ; Naqvi, Kalbe Razi. (2007) Formation and geminate quenching of singlet oxygen in purple bacterial reaction center. Journal of Photochemistry and Photobiology. B: Biology
  Vitenskapelig artikkel
• Næss, Stine Nalum; Sliwka, Hans-Richard; Partali, Vassilia; Melø, Thor Bernt; Naqvi, Kalbe Razi; Jackson, H. (2007) Hydrophilic carotenoids: surface properties and aggregation of an astaxanthin-lysine conjugate, a rigid, long-chain, highly unsaturated and highly water-soluble tetracationic bolaamphiphile. Chemistry and Physics of Lipids
  Vitenskapelig artikkel
• Sliwka, Hans-Richard; Melø, Thor Bernt; Foss, Bente Jeanette; Abdel-Hafez, Shams H; Partali, Vassilia; Nadolski, G.. (2007) Electron and energy transfer properties of hydrophilic carotenoids. Chemistry - A European Journal
  Vitenskapelig artikkel
• Arellano, Juan B.; Gonzalez-Perez, Sergio; Vacha, Frantisek; Melø, Thor Bernt; Naqvi, Kalbe Razi. (2007) Reaction center of photosystem II with no peripheral pigments in D2 allows secondary electron transfer in D1. Biochemistry
  Vitenskapelig artikkel

2006

• Naqvi, Kalbe Razi; Melø, Thor Bernt. (2006) Reduction of tetranitromethane by electronically excited aromatics in acetonitrile: Spectra and molar absorption coefficients of radical cations of anthracene, phenanthrene and pyrene. Chemical Physics Letters
  Vitenskapelig artikkel
• Samsun, Mohamad Baharin Bin; Yousef, Y. A.; Melø, Thor Bernt; Partali, Vassilia; Jávorfi, T; Sliwka, Hans-Richard. (2006) Singlet oxygen quenching by thione analogues of canthaxanthin, echinenone and rhodoxanthin. Journal of Photochemistry and Photobiology. B: Biology
  Vitenskapelig artikkel
• Elgsæter, Arnljot; Foss, Bente Jeanette; Li, B.; Sliwka, Hans-Richard; Partali, Vassilia; Melø, Thor Bernt. (2006) Hydrophilic carotenoids: Surface properties and aggregation of crocin as a biosurfactant. Helvetica Chimica Acta
  Vitenskapelig artikkel

2005

• Foss, Bente Jeanette; Sliwka, Hans-Richard; Partali, Vassilia; Næss, Stine Nalum; Elgsæter, Arnljot; Melø, Thor Bernt. (2005) Hydrophilic carotenoids: surface properties and aqueous aggregation of a rigid, long-chain, highly unsaturated dianionic bolaamphiphile with a carotenoid spacer. Chemistry and Physics of Lipids
  Vitenskapelig artikkel
• Foss, Bente Jeanette; Sliwka, Hans-Richard; Partali, Vassilia; Næss, Stine Nalum; Elgsaeter, Arnljot; Melø, Thor Bernt. (2005) Hydrophilic carotenoids: surface properties and aqueous aggregation of a rigid,long- chain, highly unsaturated dianionic bolaamphiphile with a carotenoid spacer. Chemistry and Physics of Lipids
  Vitenskapelig artikkel
• Foss, Bente Jeanette; Sliwka, Hans-Richard; Partali, Vassilia; Næss, Stine Nalum; Elgsaeter, Arnljot; Melø, Thor Bernt. (2005) Hydrophilic carotenoids; surface properties and aggregation behavior of a highly unsaturated carotenoid lysophospholipid. Chemistry and Physics of Lipids
  Vitenskapelig artikkel
• Foss, Bente Jeanette; Sliwka, Hans-Richard; Partali, Vassilia; Næss, Stine Nalum; Elgsæter, Arnljot; Melø, Thor Bernt. (2005) Hydrophilic carotenoids: surface properties and aggregation behavior of a highly unsaturated carotenoid lysophospholipid. Chemistry and Physics of Lipids
  Vitenskapelig artikkel

2004

• Ramberg, K; Melø, Thor Bernt; Johnsson, Anders Carl G.. (2004) In situ assessment of porphyrin photosensitizers in Propionibacterium acnes. Zeitschrift für Naturforschung C - A Journal of Biosciences
  Vitenskapelig artikkel
• Merzlyak, Mark N.; Melø, Thor Bernt; Naqvi, Kalbe Razi. (2004) Estimation of leaf transmittance in the near infrared region through reflectance measurements. Journal of Photochemistry and Photobiology. B: Biology
  Vitenskapelig artikkel
• Arellano, Jaun B.; Melø, Thor Bernt; Fyfe, Paul K.; Cogdell, Richard J.; Naqvi, Kalbe Razi. (2004) Multichannel flash spectroscopy of the reaction center of wild-type and mutant Rhodobacter sphaeroides: Bacteriochlorophyll(B)-mediated interaction between the carotenoid triplet and the special pair. Photochemistry and Photobiology
  Vitenskapelig artikkel
• Naqvi, Kalbe Razi; Merzlyak, Mark N.; Melø, Thor Bernt. (2004) Absorption and scattering of light by suspensions of cells and subcellular particles: an analysis in terms of Kramers-Kronig relations. Photochemical and Photobiological Sciences
  Vitenskapelig artikkel

2003

• Naqvi, Kalbe Razi; Melø, Thor Bernt; Sliwka, Hans-Richard; Samsun, Mohamad Baharin Bin; Partali, Vassilia. (2003) Photochemical and photophysical behaviour of vitamin E: interaction of its long-lived transient photoproducts with carotenoids. Photochemical and Photobiological Sciences
  Vitenskapelig artikkel

2002

• Merzlyak, Mark N.; Chivkunova, Olga B.; Melø, Thor Bernt; Naqvi, Kalbe Razi. (2002) Does a leaf absorb radiation in the near infrared (780-900 nm) region? A new approach to quantifying optical reflection, absorption and transmission of leaves. Photosynthesis Research
  Vitenskapelig artikkel
• Arellano, Juan B.; Melø, Thor Bernt; Borrego, Charles M.; Naqvi, Kalbe Razi. (2002) Bacteriochlorophyll e monomers, but not aggregates, sensitize singlet oxygen: Implications for a self-protection mechanism in chlorosomes. Photochemistry and Photobiology
  Vitenskapelig artikkel

2000

• Melø, Thor Bernt; Frigaard, N.-U.; Matsuura, K.; Naqvi, K. Razi. (2000) Electronic energy transfer involving carotenoid pigments in chlorosomes of two green bacteria: Chlorobium tepidum and Chloroflexus aurantiacus. Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy
  Vitenskapelig artikkel
• Arellano, J. B.; Melø, Thor Bernt; Borrego, C. M.; Garcia-Gil, J.; Naqvi, K. Razi. (2000) Nanosecond Laser Photolysis Studies of Chlorosomes and Artificial Aggregates Containing Bacteriochlorophyll e: Evidence for the Proximity of Carotenoids and Bacteriochlorophyll a in Chlorosomes from Chlorobium phaeobacteroides strain CL1401. Photochemistry and Photobiology
  Vitenskapelig artikkel

1999

• Naqvi, K. Razi; Javorfi, T.; Meloe, T. B.; Garab, G.. (1999) More on the catalysis of internal conversion in chlorophyll a by an adjacent carotenoid in light-harvesting complex (Chla/b LHCII) of higher plants: time-resolved triplet-minus-singlet spectra of detergent-perturbed complexes. Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy
  Vitenskapelig artikkel
• Meloe, T. B.; Ionescu, Maria adriana; Haggquist, G. W.; Naqvi, K. Razi. (1999) Hydrogen abstraction by triplet flavins. I: time-resolved multi-channel absorption spectra of flash-irradiated riboflavin solutions in water. Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy
  Vitenskapelig artikkel
• Naqvi, K. Razi; Javorfi, Tamas; Melø, Thor Bernt; Garab, Gyozo. (1999) More on the catalysis of internal conversion in chlorophyll a by an ajacent carotenoid in light-harvesting complex (Chla/b LHCII) of higher plants: time resolved triplet-minus-singlet spectra of detergent-perturbed complexes. Elsevier Elsevier
  Vitenskapelig monografi
• Melø, Thor Bernt; Ionescu, Maria Adriana; Haggquist, G.W.; Naqvi, K. Razi. (1999) Hydrogen abstraction by triplet flavins. I: time resolved multi-channel absorption spectra of flash-irradiated riboflavin solutions in water. Elsevier Elsevier
  Vitenskapelig monografi

1998

• Büchel, C.; Naqvi, K. Razi; Melø, Thor Bernt. (1998) Pigment-pigment interactions in thylakoids and LHCII of chlorophyll a/c containing alga Pleurochloris meiringensis: analysis of fluorescence-excita and triplet-minus-singlet spectra. Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy
  Vitenskapelig artikkel

1997

• Naqvi, R. N.; Melø, Thor Bernt; Raju, B. Bangar; Javorfi, T.; Garab, G.. (1997) Comparison of the absorption spectra of trimers and aggregates of chlorophyll a/b light-harvesting complex LHCII. Spectrochimica Acta
  Vitenskapelig artikkel
• Naqvi, R. N.; Melø, Thor Bernt; Raju, B. Bangar. (1997) Quenching of chlorophyll a singlets and triplets by carotenoids in light-harvesting complex of photosystem II: comparison of aggregates with trimers. Spectrochimica Acta
  Vitenskapelig artikkel
• Naqvi, R. N.; Melø, Thor Bernt; Raju, B. Bangar. (1997) Assaying the chromophore composition of photosynthetic systems by spectral reconstruction: application to the light-harvesting complex (LHC II) and the total pigment content of higher plants. Spectrochimica Acta
  Vitenskapelig artikkel

1991

• Kjeldstad, Berit; Melø, Thor Bernt; Johnsson, Anders Carl G.. (1991) Near-UV induced radicals in Propionibacterium acnes, studies by ESR at 77 K. Journal of Photochemistry and Photobiology. B: Biology
  Vitenskapelig artikkel