List of Press releases

11.08.16: Michael Metzger and Marc Brecht:

Trübungsmessung im klaren Bereich - Kompakter und kostengünstiger Sensor für die Messung geringer Trübungen read more

03.05.16: Michael Metzger, Daniela Riedel, Alfred J. Meixner and Marc Brecht:

Tübinger Wissenschaftler entwickeln neuartigen Inline-Trübungssensor; Erfindung stellt eine kostengünstige Alternative zu bisherigen Messsystemen dar. read more

06.08.15: Alexander Konrad, Alfred J. Meixner and Marc Brecht:

Tübinger Forschungsgruppe baut winziges gekoppeltes optisches Pendel; Plasmonenresonanz von Goldstäbchen lässt sich auf den Nanometer genau stimmen – Künftiger Anwendungsbereich in der Mikroskopie und bei ultra-schnellen Computern. read more

List of Publications

51 Sepideh Skandary, Frank Müh, Imran Ashraf, Mohamed Ibrahim, Michael Metzger, Athina Zouni, Alfred J. Meixner and Marc Brecht: Role of missing carotenoid in reducing the fluorescence of single monomeric photosystem II core complexes , Phys. Chem. Chem. Phys., (2017), DOI: 10.1039/C6CP07748J

50 Imran Ashraf, Alexander Konrad, Heiko Lokstein, Sepideh Skandary, Michael Metzger, Joseph M. Djouda, Thomas Maurer, Pierre M. Adam, Alfred J. Meixner and Marc Brecht: Temperature dependence of metal-enhanced fluorescence of photosystem I from Thermosynechococcus elongatus, Nanoscale, (2017), DOI: 10.1039/C6NR08762K

49 Johannes Maisch, Farhad Jafarli, Thomas Chassé, Felix Blendinger, Alexander Konrad, Michael Metzger, Alfred J. Meixner, Marc Brecht, L. Dähne and Hermann A. Mayer: One-pot synthesis of micron partly hollow anisotropic dumbbell shaped silica core-shell particles, Chemical Communications, (2016), DOI: 10.1039/C6CC07372G

48 Alexander Konrad, Michael Metzger, Andreas Kern, Marc Brecht and Alfred J. Meixner: Revealing the radiative and non-radiative relaxation rates of the fluorescence dye Atto488 in a λ/2 Fabry-Pérot-resonator by spectrally and time resolved measurements, Nanoscale, (2016), DOI: 10.1039/C6NR02380K

47 Michael Metzger, Alexander Konrad, Sepideh Skandary, Imran Ashraf, Alfred J. Meixner, Marc Brecht: Resolution enhancement for low-temperature scanning microscopy by cryo-immersion, Opt. Express 24, 12, (2016), DOI: 10.1364/OE.24.013023

46 Sepideh Skandary, Alexander Konrad, Martin Hussels, Alfred J. Meixner, Marc Brecht: Orientations between Red Antenna States of Photosystem I Monomers from Thermosynechococcus elongatus Revealed by Single-Molecule Spectroscopy, J. Phys. Chem. B 119, 13888-13896, (2015), DOI: 10.1021/acs.jpcb.5b0483

45 Sepideh Skandary, Alexander Konrad, Martin Hussels, Alfred J. Meixner, Marc Brecht: Polarization-dependent single-molecule spectroscopy on photosystem I, Proc. SPIE 9554, Nanoimaging and Nanospectroscopy III, (2015), DOI: 10.1117/12.2207523

44 Imran Ashraf, Sepideh Skandary, Mohammad Y. Khaywah, Michael Metzger, Alfred J. Meixner, Pierre M. Adam, Marc Brecht: Effects of Irregular Bimetallic Nanostructures on the Optical Properties of Photosystem I from Thermosynechococcus elongatus, Photonics 2(3), 838-854, (2015), DOI:10.3390/photonics2030838

43 Alexander Konrad, Andreas M. Kern, Marc Brecht, Alfred J. Meixner: Strong and Coherent Coupling of a Plasmonic Nanoparticle to a Subwavelength Fabry–Pérot Resonator, Nano Letters, (2015), DOI:10.1021/acs.nanolett.5b00766

42 Alexander Konrad, Michael Metzger, Andreas M. Kern, Marc Brecht, Alfred J. Meixner: Controlling the dynamics of Förster resonance energy transfer inside a tunable sub-wavelength Fabry-Pérot-resonator, Nanoscale 7, 10204-10209, (2015).

41 Sepideh Skandary, Martin Hussels, Alexander Konrad, Thomas Renger, Frank Mueh, Martin Bommer, Athina Zouni, Alfred J. Meixner, Marc Brecht: Variation of Exciton-Vibrational Coupling in Photosystem II Core Complexes from Thermosynechococcus elongatus as Revealed by Single-Molecule Spectroscopy, J. Phys. Chem. B, (2015), DOI: 10.1021/jp510631x

40 Eberhard Schlodder, Friedhelm Lendzian, Jenny Meyer, Marianne Cetin, Marc Brecht, Thomas Renger, Navassard V. Karapetyan: Long-wavelength limit of photochemical energy conversion in photosystem I, J. Am. Chem. Soc. 136, 10, 3904-3918, (2014).

39 Alexander Konrad, Anna-Lisa Trost, Sepideh Skandary, Martin Hussels, Alfred J. Meixner, Navassard V. Karapetyan, Marc Brecht: Manipulating the excitation transfer in Photosystem I by a Fabry- Perot metal resonator with optical sub-wavelength dimensions, PCCP 16, 13, 6175-6181, (2014).

38 Marc Brecht, Sepideh Skandary, Julia Hellmich, Carina Glöckner, Alexander Konrad, Martin Hussels, Alfred J. Meixner, Athina Zouni, Eberhard Schlodder: Spectroscopic Properties of Photosystem II Core Complexes from Thermosynechococcus elongatus Revealed by Single-Molecule Experiments, BBA - Bioenergetics 1837, 6, 773-81, (2014). Link to article

37 Jana B. Nieder, Martin Hussels, Robert Bittl, Marc Brecht: Effect of TMAO and Betaine on the Energy Landscape of Photosystem I, BBA - Bioenergetics 1837, 6, 849-56, (2014).

36 Michael Metzger, Alexander Konrad, Tobias Menold, Hyeyun Go, Andreas Horrer, Sabrina Rau, Andreas Modler, Günther Gauglitz, Monika Fleischer, Dieter Kern, Dai Zhang, Alfred J. Meixner, Marc Brecht: Kompakter optischer Sensor für raumaufgelöste Echtzeitmessungen des Brechungsindexes, Photonik 1/2014 (2014). Link to article

35 Andreas M. Kern, Dai Zhang, Marc Brecht, Alexey Chizhik, Antonio Virgilio Failla, Frank Wackenhut, Alfred J. Meixner: Enhanced single-molecule spectroscopy in highly confined optical fields: From λ/2- Fabry-Perot resonators to plasmonic nano-antennas, Chemical Society Reviews 43, 4, 1263-1286, (2014).

34 N.V. Karapetyan, Yu.V. Bolychevyseva, N.P. Yurina, I.V. Terekhova, V.V. Shubin, and Marc Brecht: Long-wavelength chlorophylls in photosystem I of cyanobacteria: origin, localization, and function, Biochemistry-Moscow 79, 3, 213-220, (2014).

33 Alexander Konrad, Frank Wackenhut, Martin Hussels, Alfred J. Meixner, Marc Brecht: Temperature dependent luminescence and dephasing of gold nanorods, J. Phys. Chem. C 117, 41, 21476-21482, (2013).

32 Martin Hussels, Alexander Konrad, Marc Brecht: Confocal sample-scanning microscope for single-molecule spectroscopy and microscopy with quick sample exchange at 4.2 K, Rev. Sci. Inst. 83, 123706, (2012).

31 Marc Brecht: Nanoparticles affect the function of phtosystem I, BBA - Bioenergetics 1817 S29, (2012).

30 Marc Brecht, Martin Hussels, Jana Nieder, Fang Hui, Celine Elsässer: Plasmonic Interactions of Photosystem I with Fischer Patterns Made of Gold and Silver, Chem. Phys. 406, 15-20, (2012).

29 Martin Hussels, Jana B. Nieder, Celine Elsässer, Marc Brecht: Interactions of Photosystem I with Plasmonic Nanostructures, Acta Physica Polonica A 122, 269-274, (2012).

28 Marc Brecht, Martin Hussels, Eberhard Schlodder, Navassard V. Karapetyan: Red Antenna States of Photosystem I from Arthrospira platensis, BBA - Bioenergetics 1817, 445–452, (2012).

27 Eberhard Schlodder, Martin Hussels, Marianne Cetin, Navassard V. Karapetyan, Marc Brecht: Fluorescence of the various red antenna states in photosystem I complexes from cyanobacteria is affected differently by the redox state of P700, BBA - Bioenergetics 1807, 1423-31, (2011).

26 Martin Hussels, Marc Brecht: Evidence for direct binding of glycerol to Photosystem I, FEBS Letters 585, 2445-2449, (2011).

25 Martin Hussels, Marc Brecht: Effect of Glycerol and PVA on the Conformation of Photosystem I, Biochemistry 50, 3628 - 3637, (2011).

24 Jana Nieder, Robert, Bittl, Marc Brecht: Fluorescence Studies into the Effect of Plasmonic Interactions on Protein Function, Angewandte Chemie Int. Ed. 49, 10217-10220, (2010).

23 Miguel Saggu, Christian Teutloff, Marcus Ludwig, Marc Brecht, Maria-Eirini Pandelia, Oliver Lenz, Bärbel Friedrich, Wolfgang Lubitz, Peter Hildebrandt, Friedhelm Lendzian, and Robert Bittl: Comparative investigation of the oxidized ready state of the membrane-bound [Ni-Fe] hydrogenases from R. eutropha H16 and D. vulgaris Miyazaki F with pulsed EPR spectroscopy, ChemPhysChem 11(6) 1215-1224, (2010).

22 Marc Brecht Review: Spectroscopic characterization of PSI on the single-molecule level, Molecular Physics 107 1955-1974, (2009).

21 Marc Brecht, Volker Radics, Jana Nieder, Robert Bittl: Protein Dynamics-Induced Variation of Excitation Energy Transfer Pathways, Proc. Natl. Acad. Sci. USA 106(29) 11857-11861, (2009).

20 Jana Nieder, Marc Brecht, Robert Bittl: Dynamic intra-complex heterogeneity of Phytochrome, J. Am. Chem. Soc. 131(1) 6971, (2009).

19 Marc Brecht, Volker Radics, Jana Nieder, Robert Bittl: Anti-Correlation of the Emission from Different Red Pools in Photosystem I, Proceedings of SPIE 7185 718506-1-10, (2009).

18 Marc Brecht, Hauke Studier, Volker Radics, Robert Bittl: Spectral Diffusion Induced by Hydrogen Dynamics in Proteins, J. Am. Chem. Soc. 130 (51) 1748717493, (2008).

17 Marc Brecht, Volker Radics, Jana Nieder, Hauke Studier, Robert Bittl: Red Antenna States of Photosystem I from Synechocystis PCC 6803, Biochemistry 47(20) 5536-5543, (2008).

16 Marc Brecht, Jana B. Nieder, Hauke Studier, Eberhard Schlodder, Robert Bittl: Red Antenna States of Photosystem I from Synechococcus sp. PCC 7002, Photosynthesis Research 95(2-3) 155-165, (2008).

15 Marc Brecht, Hauke Studier, Jana B Nieder, Volker Radics, Robert Bittl: Single Molecule Spectroscopy on Photosystem I. In: P Hinterdorfer, G Schütz, P Pohl (ed.), Proceedings of the IX. Linz Winter Workshop 2007, in Schriftenreihe Biophysik, pages 64-68. Trauner, (2007).

14 Marc Brecht, Hauke Studier, Alexandra F. Elli, Fedor Jelezko, Robert Bittl: Assignment of red antenna states in photosystem I from Thermosynechococcus elongatus by single molecule spectroscopy, Biochemistry 46(3), 799-806, (2007).

13 Alexandra F. Elli, Fedor Jelezko, Carsten Tietz, Hauke Studier, Marc Brecht, Robert Bittl, Jörg Wrachtrup: Red pool chlorophylls of Photosystem I of the cyanobacterium Thermosynechococcus elongatus: a single molecule study, Biochemistry 45(5), 1454-1458, (2006).

12 Maurice van Gastel, Matthias Stein, Marc Brecht, Olga Schröder, Friedhelm Lendzian, Robert Bittl, Hideaki Ogata, Yoshiki Higuchi, Wolfgang Lubitz: A Single Crystal ENDOR and Density Functional Theory Study of the Oxidized States of the [NiFe] Hydrogenase from D. vulgaris Miyazaki F., J. Biol. Inorg. Chem. 11(1), 41-51, (2006).

11 Stefanie Foerster, Maurice van Gastel, Marc Brecht, Wolfgang Lubitz: An orientation-selected ENDOR and HYSCORE study of the Ni-C active state of Desulfovibrio vulgaris Miyazaki F hydrogenase, J. Biol. Inorg. Chem. 10(1), 51-62, (2005).

10 Celine Elsaesser, Marc Brecht, Robert Bittl: Treatment of spin-coupled metal-centers in pulsed electron-electron double resonance experiments, Biochem. Soc. Trans. 33(1), 15-19, (2005).

9 Stefanie Foerster, Matthias Stein, Marc Brecht, Hideaki Ogata, Yoshiki Higuchi, Wolfgang Lubitz: Single crystal EPR studies of the reduced active site of [NiFe] hydrogenase from Desulovibrio vulgaris Miyazaki F, J. Am. Chem. Soc. 125(1), 83-93, (2003).

8 Wolfgang Lubitz, Marc Brecht, Stefanie Foerster, Maurice van Gastel, Matthias Stein: EPR and ENDOR studies of [NiFe] hydrogenase: Contributions to understanding the mechanism of biological hydrogen conversion. In: (ed.), Paramagnetic Resonance of Metallobiomolecules, in ACS Symposium Series 128-149, (2003).

7 Marc Brecht, Maurice van Gastel, Torsten Buhrke, Bärbel Friedrich, Wolfgang Lubitz: Direct detection of a hydrogen ligand in the [NiFe] center of the regulatory H-2sensing hydrogenase from Ralstonia eutropha in its reduced state by HYSCORE and ENDOR spectroscopy, J. Am. Chem. Soc. 125(43), 13075-13083, (2003).

6 Wolfgang Lubitz, Marc Brecht, Stefanie Foerster, Matthias Stein, Yoshiki Higuchi, Torsten Buhrke, Bärbel Friedrich: EPR and theoretical investigations of [NiFe] hydrogenase: Insight into the mechanism of biological hydrogen conversion, EPR in the 21st CENTURY: Basics and Aapplications to Material, Life and Earth Science, 437-445, (2002).

5 Torsten Buhrke, Marc Brecht, Wolfgang Lubitz, Bärbel Friedrich: The H-2 sensor of Ralstonia eutropha: biochemical and spectroscopic analysis of mutant proteins modied at a conserved glutamine residue close to the [NiFe] active site, J. Biol. Inorg. Chem. 7(7-8), 897-908, (2002).

4 Celine Elsaesser, Marc Brecht, Robert Bittl: Pulsed Electron-Electron Double Resonance on Multi-Nuclear Metal Clusters: Assignment of Spin Projection Factors Based on the Dipolar Interaction, J. Am. Chem. Soc. 124(42), 12606-12611, (2002).

3 Wolfgang Lubitz, Matthias Stein, Marc Brecht, Olga Trofanchuk, Stefanie Foerster, Yoshiki Higuchi, Eric van Lenthe, Friedhelm Lendzian: Single crystal EPR and DFT studies of the paramagnetic states of [NiFe] hydrogenase from Desulfovibrio vulgaris, Biophysical Journal 78(1), 281A-281A, (2000).

2 Marc Brecht, Beate Klosgen, Christoph Reichle, Klaus D. Kramer: Distribution function in the description of relaxation phenomena, Molecular Physics 96(2), 149-160, (1999).

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List of Patents

1 Martin Hussels, Marc Brecht: Patent for a fast sample exchange mechanism for low temperatures (2012). Link to patent