Photo-induced degradation of some flavins in aqueous solution W Holzer, J Shirdel, P Zirak, A Penzkofer, P Hegemann, R Deutzmann, ... Chemical Physics 308 (1-2), 69-78, 2005 | 187 | 2005 |
Photodynamics of the small BLUF protein BlrB from Rhodobacter sphaeroides P Zirak, A Penzkofer, T Schiereis, P Hegemann, A Jung, I Schlichting Journal of Photochemistry and Photobiology B: Biology 83 (3), 180-194, 2006 | 77 | 2006 |
Absorption and fluorescence spectroscopic characterization of BLUF domain of AppA from Rhodobacter sphaeroides P Zirak, A Penzkofer, T Schiereis, P Hegemann, A Jung, I Schlichting Chemical Physics 315 (1-2), 142-154, 2005 | 72 | 2005 |
Photo-dynamics of roseoflavin and riboflavin in aqueous and organic solvents P Zirak, A Penzkofer, T Mathes, P Hegemann Chemical Physics 358 (1-2), 111-122, 2009 | 66 | 2009 |
Effects of acetazolamide on the micro-and macro-vascular cerebral hemodynamics: a diffuse optical and transcranial doppler ultrasound study P Zirak, R Delgado-Mederos, J Martí-Fàbregas, T Durduran Biomedical optics express 1 (5), 1443-1459, 2010 | 64 | 2010 |
Absorption and emission spectroscopic characterization of blue-light receptor Slr1694 from Synechocystis sp. PCC6803 P Zirak, A Penzkofer, C Lehmpfuhl, T Mathes, P Hegemann Journal of Photochemistry and Photobiology B: Biology 86 (1), 22-34, 2007 | 51 | 2007 |
Absorption and emission behaviour of trans-p-coumaric acid in aqueous solutions and some organic solvents M Putschögl, P Zirak, A Penzkofer Chemical Physics 343 (1), 107-120, 2008 | 46 | 2008 |
Protein aggregation studied by forward light scattering and light transmission analysis A Penzkofer, J Shirdel, P Zirak, H Breitkreuz, E Wolf Chemical Physics 342 (1-3), 55-63, 2007 | 46 | 2007 |
Absorption and fluorescence spectroscopic characterisation of the circadian blue-light photoreceptor cryptochrome from Drosophila melanogaster (dCry) J Shirdel, P Zirak, A Penzkofer, H Breitkreuz, E Wolf Chemical Physics 352 (1-3), 35-47, 2008 | 45 | 2008 |
Invited Article: A rigid coherent anti-Stokes Raman scattering endoscope with high resolution and a large field of view P Zirak, G Matz, B Messerschmidt, T Meyer, M Schmitt, J Popp, ... APL Photonics 3 (9), 2018 | 37 | 2018 |
Photo dynamics of BLUF domain mutant H44R of AppA from Rhodobacter sphaeroides P Zirak, A Penzkofer, P Hegemann, T Mathes Chemical physics 335 (1), 15-27, 2007 | 36 | 2007 |
Transcranial diffuse optical monitoring of microvascular cerebral hemodynamics after thrombolysis in ischemic stroke P Zirak, R Delgado-Mederos, L Dinia, D Carrera, J Martí-Fàbregas, ... Journal of biomedical optics 19 (1), 018002-018002, 2014 | 35 | 2014 |
Pulsatile and steady-state hemodynamics of the human patella bone by diffuse optical spectroscopy P Farzam, P Zirak, T Binzoni, T Durduran Physiological measurement 34 (8), 839, 2013 | 34 | 2013 |
Early microvascular cerebral blood flow response to head-of-bed elevation is related to outcome in acute ischemic stroke C Gregori-Pla, I Blanco, P Camps-Renom, P Zirak, I Serra, G Cotta, ... Journal of neurology 266, 990-997, 2019 | 30 | 2019 |
Stimulated Raman scattering microscopy by Nyquist modulation of a two-branch ultrafast fiber source C Riek, C Kocher, P Zirak, C Kölbl, P Fimpel, A Leitenstorfer, A Zumbusch, ... Optics letters 41 (16), 3731-3734, 2016 | 29 | 2016 |
Microvascular versus macrovascular cerebral vasomotor reactivity in patients with severe internal carotid artery stenosis or occlusion P Zirak, R Delgado-Mederos, L Dinia, J Martí-Fàbregas, T Durduran Academic Radiology 21 (2), 168-174, 2014 | 28 | 2014 |
Transcranial diffuse optical assessment of the microvascular reperfusion after thrombolysis for acute ischemic stroke R Delgado-Mederos, C Gregori-Pla, P Zirak, I Blanco, L Dinia, R Marín, ... Biomedical Optics Express 9 (3), 1262-1271, 2018 | 27 | 2018 |
Absorption and emission spectroscopic characterization of BLUF protein Slr1694 from Synechocystis sp. PCC6803 with roseoflavin cofactor P Zirak, A Penzkofer, T Mathes, P Hegemann Journal of Photochemistry and Photobiology B: Biology 97 (2), 61-70, 2009 | 21 | 2009 |
Photocycle dynamics of the E149A mutant of cryptochrome 3 from Arabidopsis thaliana P Zirak, A Penzkofer, J Moldt, R Pokorny, A Batschauer, LO Essen Journal of Photochemistry and Photobiology B: Biology 97 (2), 94-108, 2009 | 19 | 2009 |
Absorption and emission spectroscopic characterisation of 8-amino-riboflavin A Tyagi, P Zirak, A Penzkofer, T Mathes, P Hegemann, M Mack, S Ghisla Chemical Physics 364 (1-3), 19-30, 2009 | 16 | 2009 |