Alfons Penzkofer, PhD - Publications

Affiliations: 
Regensburg University, Regensburg, Bayern, Germany 
Website:
http://www.physik.uni-regensburg.de/forschung/penzkofer/

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Year Citation  Score
2017 Penzkofer A, Scheib U, Stehfest K, Hegemann P. Absorption and Emission Spectroscopic Investigation of Thermal Dynamics and Photo-Dynamics of the Rhodopsin Domain of the Rhodopsin-Guanylyl Cyclase from the Nematophagous Fungus Catenaria anguillulae. International Journal of Molecular Sciences. 18. PMID 28981475 DOI: 10.3390/ijms18102099  0.6
2016 Penzkofer A. Absorption and emission spectroscopic investigation of alloxazine in aqueous solutions and comparison with lumichrome Journal of Photochemistry and Photobiology a: Chemistry. 314: 114-124. DOI: 10.1016/j.jphotochem.2015.08.011  1
2015 Penzkofer A, Tanwar M, Veetil SK, Kateriya S. Photo-dynamics of photoactivated adenylyl cyclase TpPAC from the spirochete bacterium Turneriella parva strain H(T). Journal of Photochemistry and Photobiology. B, Biology. 153: 90-102. PMID 26398816 DOI: 10.1016/j.jphotobiol.2015.08.027  1
2014 Penzkofer A, Stierl M, Mathes T, Hegemann P. Absorption and emission spectroscopic characterization of photo-dynamics of photoactivated adenylyl cyclase mutant bPAC-Y7F of Beggiatoa sp. Journal of Photochemistry and Photobiology. B, Biology. 140: 182-93. PMID 25154810 DOI: 10.1016/j.jphotobiol.2014.06.017  1
2014 Stierl M, Penzkofer A, Kennis JT, Hegemann P, Mathes T. Key residues for the light regulation of the blue light-activated adenylyl cyclase from Beggiatoa sp. Biochemistry. 53: 5121-30. PMID 25046330 DOI: 10.1021/bi500479v  1
2014 Penzkofer A, Luck M, Mathes T, Hegemann P. Bistable retinal schiff base photodynamics of histidine kinase rhodopsin HKR1 from Chlamydomonas reinhardtii. Photochemistry and Photobiology. 90: 773-85. PMID 24460585 DOI: 10.1111/php.12246  1
2014 Penzkofer A, Tanwar M, Veetil SK, Kateriya S, Stierl M, Hegemann P. Photo-dynamics of BLUF domain containing adenylyl cyclase NgPAC3 from the amoeboflagellate Naegleria gruberi NEG-M strain Journal of Photochemistry and Photobiology a: Chemistry. 287: 19-29. DOI: 10.1016/j.jphotochem.2014.04.017  1
2013 Penzkofer A, Tanwar M, Veetil SK, Kateriya S, Stierl M, Hegemann P. Photo-dynamics of the lyophilized photo-activated adenylate cyclase NgPAC2 from the amoeboflagellate Naegleria gruberi NEG-M strain Chemical Physics. 423: 192-201. DOI: 10.1016/j.chemphys.2013.07.001  1
2013 Penzkofer A. Phosphorescence quantum yield determination with time-gated fluorimeter and Tb(III)-acetylacetonate as luminescence reference Chemical Physics. 415: 173-178. DOI: 10.1016/j.chemphys.2013.01.017  1
2013 Penzkofer A, Tanwar M, Veetil SK, Kateriya S, Stierl M, Hegemann P. Photo-dynamics and thermal behavior of the BLUF domain containing adenylate cyclase NgPAC2 from the amoeboflagellate Naegleria gruberi NEG-M strain Chemical Physics. 412: 96-108. DOI: 10.1016/j.chemphys.2012.12.015  1
2012 Penzkofer A. Reduction-oxidation photocycle dynamics of flavins in starch films International Journal of Molecular Sciences. 13: 9157-9183. PMID 22942758 DOI: 10.3390/ijms13079157  1
2012 Penzkofer A, Simmel M, Riedl D. Room temperature phosphorescence lifetime and quantum yield of erythrosine B and rose bengal in aerobic alkaline aqueous solution Journal of Luminescence. 132: 1055-1062. DOI: 10.1016/j.jlumin.2011.12.030  1
2012 Penzkofer A. Photoluminescence behavior of riboflavin and lumiflavin in liquid solutions and solid films Chemical Physics. 400: 142-153. DOI: 10.1016/j.chemphys.2012.03.017  1
2012 Penzkofer A, Stierl M, Hegemann P, Kateriya S. Absorption and fluorescence characteristics of photo-activated adenylate cyclase nano-clusters from the amoeboflagellate Naegleria gruberi NEG-M strain Chemical Physics. 392: 46-54. DOI: 10.1016/j.chemphys.2011.09.005  1
2011 Tyagi A, Penzkofer A. Absorption and emission spectroscopic characterization of lumichrome in aqueous solutions. Photochemistry and Photobiology. 87: 524-33. PMID 21091486 DOI: 10.1111/j.1751-1097.2010.00836.x  1
2011 Tyagi A, Penzkofer A, Mathes T, Hegemann P. Photo-cycle dynamics of LOV1-His domain of phototropin from chlamydomonas reinhardtii with roseoflavin monophosphate cofactor Proceedings of Spie - the International Society For Optical Engineering. 7993. DOI: 10.1117/12.879134  1
2011 Penzkofer A, Stierl M, Hegemann P, Kateriya S. Thermal protein unfolding in photo-activated adenylate cyclase nano-clusters from the amoeboflagellate Naegleria gruberi NEG-M strain Journal of Photochemistry and Photobiology a: Chemistry. 225: 42-51. DOI: 10.1016/j.jphotochem.2011.09.024  1
2011 Tsuboi T, Penzkofer A, Slyusareva E, Sizykh A. Photoluminescence properties of fluorone dyes in bio-related films at low temperatures Journal of Photochemistry and Photobiology a: Chemistry. 222: 336-342. DOI: 10.1016/j.jphotochem.2011.07.006  1
2011 Penzkofer A, Tyagi A, Kiermaier J. Room temperature hydrolysis of lumiflavin in alkaline aqueous solution Journal of Photochemistry and Photobiology a: Chemistry. 217: 369-375. DOI: 10.1016/j.jphotochem.2010.11.007  1
2011 Penzkofer A, Stierl M, Hegemann P, Kateriya S. Photo-dynamics of the BLUF domain containing soluble adenylate cyclase (nPAC) from the amoeboflagellate Naegleria gruberi NEG-M strain Chemical Physics. 387: 25-38. DOI: 10.1016/j.chemphys.2011.05.028  1
2010 Tyagi A, Penzkofer A, Mathes T, Hegemann P. Photophysical characterisation and photo-cycle dynamics of LOV1-His domain of phototropin from Chlamydomonas reinhardtii with roseoflavin monophosphate cofactor. Journal of Photochemistry and Photobiology. B, Biology. 101: 76-88. PMID 20655238 DOI: 10.1016/j.jphotobiol.2010.06.014  1
2010 Del Amo Sanchez P, Lees JP, Poireau V, Prencipe E, Tisserand V, Garra Tico J, Grauges E, Martinelli M, Palano A, Pappagallo M, Eigen G, Stugu B, Sun L, Battaglia M, Brown DN, ... ... Penzkofer A, et al. B-meson decays to η′ρ, η′f0, and η′K* Physical Review D - Particles, Fields, Gravitation and Cosmology. 82. DOI: 10.1103/PhysRevD.82.011502  1
2010 Tyagi A, Penzkofer A. PH dependence of the absorption and emission behaviour of lumiflavin in aqueous solution Journal of Photochemistry and Photobiology a: Chemistry. 215: 108-117. DOI: 10.1016/j.jphotochem.2010.08.007  1
2010 Penzkofer A, Tyagi A, Slyusareva E, Sizykh A. Phosphorescence and delayed fluorescence properties of fluorone dyes in bio-related films Chemical Physics. 378: 58-65. DOI: 10.1016/j.chemphys.2010.10.001  1
2010 Tyagi A, Penzkofer A, Mathes T, Hegemann P. Photo-degradation behaviour of roseoflavin in some aqueous solutions Chemical Physics. 369: 27-36. DOI: 10.1016/j.chemphys.2010.02.004  1
2010 Tyagi A, Penzkofer A. Fluorescence spectroscopic behaviour of folic acid Chemical Physics. 367: 83-92. DOI: 10.1016/j.chemphys.2009.10.026  1
2009 Zirak P, Penzkofer A, Moldt J, Pokorny R, Batschauer A, Essen LO. Photocycle dynamics of the E149A mutant of cryptochrome 3 from Arabidopsis thaliana Journal of Photochemistry and Photobiology B: Biology. 97: 94-108. PMID 19800811 DOI: 10.1016/j.jphotobiol.2009.08.005  1
2009 Zirak P, Penzkofer A, Mathes T, Hegemann P. Absorption and emission spectroscopic characterization of BLUF protein Slr1694 from Synechocystis sp. PCC6803 with roseoflavin cofactor. Journal of Photochemistry and Photobiology. B, Biology. 97: 61-70. PMID 19758819 DOI: 10.1016/j.jphotobiol.2009.08.002  1
2009 Tsuboi T, Bansal AK, Penzkofer A. Fluorescence and phosphorescence behavior of TPD doped and TPD neat films Thin Solid Films. 518: 835-838. DOI: 10.1016/j.tsf.2009.07.098  1
2009 Tsuboi T, Bansal AK, Penzkofer A. Temperature dependence of fluorescence and phosphorescence of the triphenylamine dimer 3-methyl-TPD Optical Materials. 31: 980-988. DOI: 10.1016/j.optmat.2008.11.004  1
2009 Slyusareva E, Sizykh A, Tyagi A, Penzkofer A. Spectral and photophysical properties of fluorone dyes in bio-related films and methanol Journal of Photochemistry and Photobiology a: Chemistry. 208: 131-140. DOI: 10.1016/j.jphotochem.2009.09.006  1
2009 Tyagi A, Zirak P, Penzkofer A, Mathes T, Hegemann P, Mack M, Ghisla S. Absorption and emission spectroscopic characterisation of 8-amino-riboflavin Chemical Physics. 364: 19-30. DOI: 10.1016/j.chemphys.2009.08.005  1
2009 Tyagi A, Penzkofer A, Batschauer A, Wolf E. Fluorescence behaviour of 5,10-methenyltetrahydrofolate, 10-formyltetrahydrofolate, 10-formyldihydrofolate, and 10-formylfolate in aqueous solution at pH 8 Chemical Physics. 361: 75-82. DOI: 10.1016/j.chemphys.2009.05.008  1
2009 Tyagi A, Penzkofer A, Batschauer A, Wolf E. Thermal degradation of (6R,S)-5,10-methenyltetrahydrofolate in aqueous solution at pH 8 Chemical Physics. 358: 132-136. DOI: 10.1016/j.chemphys.2009.01.005  1
2009 Zirak P, Penzkofer A, Mathes T, Hegemann P. Photo-dynamics of roseoflavin and riboflavin in aqueous and organic solvents Chemical Physics. 358: 111-122. DOI: 10.1016/j.chemphys.2008.12.026  1
2008 Bansal AK, Holzer W, Penzkofer A, Hörhold HH, Klemm E, Frank W, Kley EB. Spectroscopic and lasing characterisation of a luminescent phenylene/bipyridine polymer Synthetic Metals. 158: 758-766. DOI: 10.1016/j.synthmet.2008.04.029  1
2008 Bansal AK, Holzer W, Penzkofer A, Kley EB. Spectroscopic and lasing characterisation of a dicarbazovinylene-MEH-benzene dye Optics Communications. 281: 3806-3819. DOI: 10.1016/j.optcom.2008.03.032  1
2008 Tyagi A, Penzkofer A, Griese J, Schlichting I, Kirienko NV, Gomelsky M. Photodynamics of blue-light-regulated phosphodiesterase BlrP1 protein from Klebsiella pneumoniae and its photoreceptor BLUF domain Chemical Physics. 354: 130-141. DOI: 10.1016/j.chemphys.2008.10.003  1
2008 Shirdel J, Zirak P, Penzkofer A, Breitkreuz H, Wolf E. Absorption and fluorescence spectroscopic characterisation of the circadian blue-light photoreceptor cryptochrome from Drosophila melanogaster (dCry) Chemical Physics. 352: 35-47. DOI: 10.1016/j.chemphys.2008.06.006  1
2008 Bansal AK, Penzkofer A. Linear and nonlinear optical spectroscopic characterisation of triphenylamine and 1,2,3-tris(3-methylphenylphenylamino)benzene Chemical Physics. 352: 48-56. DOI: 10.1016/j.chemphys.2008.05.006  1
2008 Putschögl M, Zirak P, Penzkofer A. Absorption and emission behaviour of trans-p-coumaric acid in aqueous solutions and some organic solvents Chemical Physics. 343: 107-120. DOI: 10.1016/j.chemphys.2007.10.031  1
2008 Bansal AK, Penzkofer A. Spectroscopic and travelling-wave lasing characterisation of tetraphenylbenzidine and di-naphtalenyl-diphenylbenzidine Applied Physics B: Lasers and Optics. 91: 559-569. DOI: 10.1007/s00340-008-3037-z  1
2007 Song SH, Dick B, Penzkofer A, Hegemann P. Photo-reduction of flavin mononucleotide to semiquinone form in LOV domain mutants of blue-light receptor phot from Chlamydomonas reinhardtii. Journal of Photochemistry and Photobiology. B, Biology. 87: 37-48. PMID 17292618 DOI: 10.1016/j.jphotobiol.2006.12.007  1
2007 Zirak P, Penzkofer A, Lehmpfuhl C, Mathes T, Hegemann P. Absorption and emission spectroscopic characterization of blue-light receptor Slr1694 from Synechocystis sp. PCC6803. Journal of Photochemistry and Photobiology. B, Biology. 86: 22-34. PMID 16996275 DOI: 10.1016/j.jphotobiol.2006.08.007  1
2007 Shirdel J, Penzkofer A, Procházka R, Shen Z, Daub J. Photodynamics of pyrene-flavin and phenothiazine-flavin dyads Proceedings of Spie - the International Society For Optical Engineering. 6727. DOI: 10.1117/12.752443  1
2007 Bansal AK, Penzkofer A, Holzer W, Tsuboi T. Photodynamics of OLED triplet emitters Ir(ppy)3 and PtOEP Molecular Crystals and Liquid Crystals. 467: 21-31. DOI: 10.1080/15421400701220387  1
2007 Tyagi A, del Agua D, Penzkofer A, García O, Sastre R, Costela A, García-Moreno I. Photophysical characterization of pyrromethene 597 laser dye in cross-linked silicon-containing organic copolymers Chemical Physics. 342: 201-214. DOI: 10.1016/j.chemphys.2007.10.002  1
2007 Penzkofer A, Shirdel J, Zirak P, Breitkreuz H, Wolf E. Protein aggregation studied by forward light scattering and light transmission analysis Chemical Physics. 342: 55-63. DOI: 10.1016/j.chemphys.2007.09.014  1
2007 Shirdel J, Penzkofer A, Shen Z, Procházka R, Daub J. Photo-induced dynamics in a pyrene-isoalloxazine(flavin)-phenothiazine triad Chemical Physics. 337: 99-109. DOI: 10.1016/j.chemphys.2007.06.044  1
2007 Penzkofer A, Bansal AK, Song SH, Dick B. Fluorescence quenching of flavins by reductive agents Chemical Physics. 336: 14-21. DOI: 10.1016/j.chemphys.2007.05.009  1
2007 Shirdel J, Penzkofer A, Procházka R, Shen Z, Daub J. Absorption and fluorescence spectroscopic characterisation of a phenothiazine-flavin dyad Chemical Physics. 336: 1-13. DOI: 10.1016/j.chemphys.2007.05.002  1
2007 Zirak P, Penzkofer A, Hegemann P, Mathes T. Photo dynamics of BLUF domain mutant H44R of AppA from Rhodobacter sphaeroides Chemical Physics. 335: 15-27. DOI: 10.1016/j.chemphys.2007.03.013  1
2007 Susdorf T, Bansal AK, Penzkofer A, Guo SL, Shi JM. Absorption and emission spectroscopic characterization of some azo dyes and a diamino-maleonitrile dye Chemical Physics. 333: 49-56. DOI: 10.1016/j.chemphys.2007.01.003  1
2007 Song SH, Dick B, Penzkofer A. Photo-induced reduction of flavin mononucleotide in aqueous solutions Chemical Physics. 332: 55-65. DOI: 10.1016/j.chemphys.2006.11.023  1
2007 Shirdel J, Penzkofer A, Procházka R, Shen Z, Strauss J, Daub J. Absorption and emission spectroscopic characterisation of a pyrene-flavin dyad Chemical Physics. 331: 427-437. DOI: 10.1016/j.chemphys.2006.11.014  1
2007 Susdorf T, Del Agua D, Tyagi A, Penzkofer A, García O, Sastre R, Costela A, García-Moreno I. Photophysical characterization of pyrromethene 597 laser dye in silicon-containing organic matrices Applied Physics B: Lasers and Optics. 86: 537-545. DOI: 10.1007/s00340-006-2439-z  1
2006 Song SH, Dick B, Penzkofer A, Pokorny R, Batschauer A, Essen LO. Absorption and fluorescence spectroscopic characterization of cryptochrome 3 from Arabidopsis thaliana Journal of Photochemistry and Photobiology B: Biology. 85: 1-16. PMID 16725342 DOI: 10.1016/j.jphotobiol.2006.03.007  1
2006 Zirak P, Penzkofer A, Schiereis T, Hegemann P, Jung A, Schlichting I. Photodynamics of the small BLUF protein BlrB from Rhodobacter sphaeroides. Journal of Photochemistry and Photobiology. B, Biology. 83: 180-94. PMID 16495071 DOI: 10.1016/j.jphotobiol.2005.12.015  1
2006 Penzkofer A, Susdorf T, Álvarez M, Holzer W, Amat-Guerri F, Liras M, Costela A, García-Moreno I, Sastre R. Spectroscopic characterisation of some dipyrromethene laser dyes bound to PMMA Proceedings of Spie - the International Society For Optical Engineering. 6258. DOI: 10.1117/12.677093  1
2006 Tsuboi T, Murayama H, Penzkofer A. Photoluminescence characteristics of Ir(ppy)3 and PtOEP doped in TPD host material Thin Solid Films. 499: 306-312. DOI: 10.1016/j.tsf.2005.07.020  1
2006 Bansal AK, Holzer W, Penzkofer A, Tsuboi T. Absorption and emission spectroscopic characterization of platinum-octaethyl-porphyrin (PtOEP) Chemical Physics. 330: 118-129. DOI: 10.1016/j.chemphys.2006.08.002  1
2006 Shirdel J, Penzkofer A, Procházka R, Daub J, Hochmuth E, Deutzmann R. Absorption and emission spectroscopic characterization of 10-phenyl-isoalloxazine derivatives Chemical Physics. 326: 489-499. DOI: 10.1016/j.chemphys.2006.03.010  1
2005 Song SH, Dick B, Zirak P, Penzkofer A, Schiereis T, Hegemann P. Absorption and emission spectroscopic characterisation of combined wildtype LOV1-LOV2 domain of phot from Chlamydomonas reinhardtii. Journal of Photochemistry and Photobiology. B, Biology. 81: 55-65. PMID 16111889 DOI: 10.1016/j.jphotobiol.2005.06.003  1
2005 Holzer W, Penzkofer A, Hegemann P. Photopysical and photochemical excitation and relaxation dynamics of LOV domains of phot from Chlamydomonas reinhardtii Journal of Luminescence. 112: 444-448. DOI: 10.1016/j.jlumin.2004.09.069  1
2005 Penzkofer A, Endres L, Schiereis T, Hegemann P. Yield of photo-adduct formation of LOV domains from Chlamydomonas reinhardtii by picosecond laser excitation Chemical Physics. 316: 185-194. DOI: 10.1016/j.chemphys.2005.05.016  1
2005 Zirak P, Penzkofer A, Schiereis T, Hegemann P, Jung A, Schlichting I. Absorption and fluorescence spectroscopic characterization of BLUF domain of AppA from Rhodobacter sphaeroides Chemical Physics. 315: 142-154. DOI: 10.1016/j.chemphys.2005.04.008  1
2005 Susdorf T, Álvarez M, Holzer W, Penzkofer A, Amat-Guerri F, Liras M, Costela A, García-Moreno I, Sastre R. Photophysical characterisation of some dipyrromethene dyes in ethyl acetate and covalently bound to poly(methyl methacrylate) Chemical Physics. 312: 151-158. DOI: 10.1016/j.chemphys.2004.11.035  1
2005 Holzer W, Penzkofer A, Hegemann P. Absorption and emission spectroscopic characterisation of the LOV2-His domain of phot from Chlamydomonas reinhardtii Chemical Physics. 308: 79-91. DOI: 10.1016/j.chemphys.2004.08.007  1
2005 Holzer W, Shirdel J, Zirak P, Penzkofer A, Hegemann P, Deutzmann R, Hochmuth E. Photo-induced degradation of some flavins in aqueous solution Chemical Physics. 308: 69-78. DOI: 10.1016/j.chemphys.2004.08.006  1
2005 Holzer W, Penzkofer A, Tsuboi T. Absorption and emission spectroscopic characterization of Ir(ppy) 3 Chemical Physics. 308: 93-102. DOI: 10.1016/j.chemphys.2004.07.051  1
2005 Holzer W, Penzkofer A, Schrader S, Grimm B. Photo-physical and lasing characterisation of a polyparaphenylenevinylene (PPV) neat film Optical and Quantum Electronics. 37: 475-494. DOI: 10.1007/s11082-005-4225-2  1
2005 Tsuboi T, Murayama H, Penzkofer A. Energy transfer in a thin film of TPD fluorescent molecules doped with PtOEP and Ir(ppy)3 phosphorescent molecules Applied Physics B: Lasers and Optics. 81: 93-99. DOI: 10.1007/s00340-005-1850-1  1
2004 Penzkofer A, Holzer W, Schmitt T, Hartmann A, Bader C, Tillmann H, Raabe D, Hoerhold HH. Travelling-wave lasing in neat films of arylene-vinylene polymers Proceedings of Spie - the International Society For Optical Engineering. 4087: 635-644. DOI: 10.1117/12.406463  1
2004 Holzer W, Penzkofer A, Tillmann H, Hörhold HH. Spectroscopic and travelling-wave lasing characterisation of Gilch-type and Horner-type MEH-PPV Synthetic Metals. 140: 155-170. DOI: 10.1016/S0379-6779(03)00356-4  1
2004 Holzer W, Penzkofer A, Lux A, Hörhold HH, Kley EB. Photo-physical and lasing characterisation of neat films of a thianthrene-substituted distyrylbenzene dye (Thianthrene-DSB) Synthetic Metals. 145: 119-127. DOI: 10.1016/j.synthmet.2004.04.027  1
2004 Penzkofer A, Holzer W, Tillmann H, Hörhold HH. Leaky-mode emission of luminescent thin films on transparent substrates Optics Communications. 229: 279-290. DOI: 10.1016/j.optcom.2003.10.039  1
2004 Granzhan A, Penzkofer A, Hauska G. Photo-degration of bacteriochlorophyll c in intact and extracts from Chorobium tepidum Journal of Photochemistry and Photobiology a: Chemistry. 165: 75-89. DOI: 10.1016/j.jphotochem.2004.03.001  1
2004 Schrader S, Penzkofer A, Holzer W, Velagapudi R, Grimm B. Laser spectroscopic investigation of a new precursor-type polyparaphenylenevinylene Journal of Luminescence. 110: 303-308. DOI: 10.1016/j.jlumin.2004.08.025  1
2004 Holzer W, Penzkofer A, Susdorf T, Álvarez M, Islam SDM, Hegemann P. Absorption and emission spectroscopic characterisation of the LOV2-domain of phot from Chlamydomonas reinhardtii fused to a maltose binding protein Chemical Physics. 302: 105-118. DOI: 10.1016/j.chemphys.2004.03.017  1
2003 Tsuboi T, Lammel O, Penzkofer A. Absorption cross-section determination of F2 - colour centres in a LiF crystal by picosecond laser saturable absorption studies Proceedings of Spie - the International Society For Optical Engineering. 4829: 379-381. DOI: 10.1117/12.524909  1
2003 Holzer W, Penzkofer A, Tillinann H, Horhold HH. Spectroscopic characterisation and travelling-wave laser action of gilch-type and horner-type MEH-PPV thin films Conference On Lasers and Electro-Optics Europe - Technical Digest. 372. DOI: 10.1109/CLEOE.2003.1313435  1
2003 Tsuboi T, Penzkofer A, Lammel O. Oscillator strength of F2 - colour centres in LiF crystal Optical and Quantum Electronics. 35: 267-274. DOI: 10.1023/A:1022862611644  1
2003 Philip R, Holzer W, Penzkofer A, Tillmann H, Hörhold HH. Photo-physical and lasing characterization of neat films of 4-methyl-TPD and of an alternating copolymer of 4-methyl-TPD with MEH-PPV Synthetic Metals. 132: 297-308. DOI: 10.1016/S0379-6779(02)00499-X  1
2003 Islam SDM, Penzkofer A, Hegemann P. Quantum yield of triplet formation of riboflavin in aqueous solution and of flavin mononucleotide bound to the LOV1 domain of Phot1 from Chlamydomonas reinhardtii Chemical Physics. 291: 97-114. DOI: 10.1016/S0301-0104(03)00187-3  1
2003 Drössler P, Holzer W, Penzkofer A, Hegemann P. Fluoresence quenching of riboflavin in aqueous solution by methionin and cystein Chemical Physics. 286: 409-420. DOI: 10.1016/S0301-0104(02)00969-2  1
2003 Penzkofer A, Lammel O, Tsuboi T. Emission spectroscopic characterisation of F2 - colour centres in a LiF crystal Optics Communications. 214: 305-313. DOI: 10.1016/S0030-4018(02)02168-5  1
2003 Islam SDM, Susdorf T, Penzkofer A, Hegemann P. Fluorescence quenching of flavin adenine dinucleotide in aqueous solution by pH dependent isomerisation and photo-induced electron transfer Chemical Physics. 295: 137-149. DOI: 10.1016/j.chemphys.2003.08.013  1
2003 Penzkofer A, Birkmann C, Tsuboi T. Absorption and emission spectroscopic characterisation of F3 - colour centers in a LiF crystal Applied Physics B: Lasers and Optics. 77: 521-527. DOI: 10.1007/s00340-003-1269-5  1
2003 Birkmann C, Penzkofer A, Tsuboi T. Fluorescence excitation spectroscopic characterisation of F2 - colour centers in a LiF crystal Applied Physics B: Lasers and Optics. 77: 625-632. DOI: 10.1007/s00340-003-1268-6  1
2002 Holzer W, Penzkofer A, Fuhrmann M, Hegemann P. Spectroscopic characterization of flavin mononucleotide bound to the LOV1 domain of Phot1 from Chlamydomonas reinhardtii. Photochemistry and Photobiology. 75: 479-87. PMID 12017473 DOI: 10.1562/0031-8655(2002)075<0479:SCOFMB>2.0.CO;2  1
2002 Holzer W, Penzkofer A, Philip R, Tillmann H, Bader C, Hörhold HH. Photo-physical and lasing characterization of neat films of 4-methyl-TPD and of a 4-methyl-TPD phenyl substituted MEH-PPV copolymer Proceedings of Spie - the International Society For Optical Engineering. 4833: 568-576. DOI: 10.1117/12.474834  1
2002 Penzkofer A, Holzer W, Tillmann H, Stockmann R, Hörhold HH. Photophysical and lasing characterization of some phenylenevinylene based polymers Proceedings of Spie - the International Society For Optical Engineering. 4747: 212-223. DOI: 10.1117/12.460123  1
2002 Hörhold HH, Tillmann H, Bader C, Klemm E, Holzer W, Penzkofer A. MEH-PPV and Thianthrene-containing PPV-derivatives as efficient polymeric materials for solid-state lasers Proceedings of Spie - the International Society For Optical Engineering. 4464: 317-328. DOI: 10.1117/12.457491  1
2002 Penzkofer A, Riediger M, Steinkellner O, Lux B. Far infrared sub-nanosecond pulse generation in GaP with a time-synchronized mode-locked double-frequency Nd: Glass laser system Optical and Quantum Electronics. 34: 343-357. DOI: 10.1023/A:1015090206168  1
2002 Holzer W, Penzkofer A, Tillmann H, Raabe D, Hörhold HH. Photo-physical characterisation and travelling-wave lasing of some TPD-based polymer neat films Optical Materials. 19: 283-294. DOI: 10.1016/S0925-3467(01)00191-4  1
2002 Holzer W, Penzkofer A, Stockmann R, Meysel H, Liebegott H, Hörhold HH. Energy density dependent fluorescence quenching of diphenyl substituted phenylene-vinylene and diphenylene-vinylene polymers by exciton-exciton annihilation Synthetic Metals. 125: 343-357. DOI: 10.1016/S0379-6779(01)00473-8  1
2002 Drössler P, Holzer W, Penzkofer A, Hegemann P. pH dependence of the absorption and emission behaviour of riboflavin in aqueous solution Chemical Physics. 282: 429-439. DOI: 10.1016/S0301-0104(02)00731-0  1
2002 Holzer W, Penzkofer A, Redl FX, Lutz M, Daub J. Excitation energy density dependent fluorescence behaviour of a regioselectively functionalized tetraphenylporphyrin-cellulose conjugate Chemical Physics. 282: 89-99. DOI: 10.1016/S0301-0104(02)00602-X  1
2002 Lammel O, Penzkofer A, Tsuboi T. Picosecond laser saturable absorption studies on F2 - colour centres in LiF crystal Optics Communications. 206: 389-400. DOI: 10.1016/S0030-4018(02)01421-9  1
2002 Holzer W, Penzkofer A, Pertsch T, Danz N, Bräuer A, Kley EB, Tillmann H, Bader C, Hörhold HH. Corrugated neat thin-film conjugated polymer distributed-feedback lasers Applied Physics B: Lasers and Optics. 74: 333-342. DOI: 10.1007/s003400200821  1
2001 Hörhold HH, Tillmann H, Raabe D, Helbig M, Elflein W, Bräuer A, Holzer W, Penzkofer A. Synthesis of TPD-containing polymers for use as light emitting materials in electroluminescent and laser devices Proceedings of Spie - the International Society For Optical Engineering. 4105: 431-442. DOI: 10.1117/12.416925  1
2001 Holzer W, Penzkofer A, Schmitt T, Hartmann A, Bader C, Tillmann H, Raabe D, Stockmann R, Hörhold HH. Amplified spontaneous emission in neat films of arylene-vinylene polymers Optical and Quantum Electronics. 33: 121-150. DOI: 10.1023/A:1007020731786  1
2001 Holzer W, Penzkofer A, Tillmann H, Klemm E, Hörhold HH. Travelling-wave lasing of triphenylamine-based poly(phenylene vinylene) Synthetic Metals. 124: 455-465. DOI: 10.1016/S0379-6779(01)00390-3  1
2001 Hörhold HH, Tillmann H, Bader C, Stockmann R, Nowotny J, Klemm E, Holzer W, Penzkofer A. MEH-PPV and dialkoxy phenylene vinylene copolymers. Synthesis and lasing characterization Synthetic Metals. 119: 199-200. DOI: 10.1016/S0379-6779(00)00699-8  1
2001 Bergmann A, Holzer W, Stark R, Gratz H, Penzkofer A, Amat-Guerri F, Costela A, García-Moreno I, Sastre R. Photophysical characterization of pyrromethene dyes in solid matrices of acrylic copolymers Chemical Physics. 271: 201-213. DOI: 10.1016/S0301-0104(01)00434-7  1
2001 Zweck J, Penzkofer A. Microstructure of indocyanine green j-aggregates in aqueous solution Chemical Physics. 269: 399-409. DOI: 10.1016/S0301-0104(01)00368-8  1
2001 Gratz H, Penzkofer A. Saturable absorption dynamics in the triplet system and triplet excitation induced singlet fluorescence of some organic molecules Chemical Physics. 263: 471-490. DOI: 10.1016/S0301-0104(00)00355-4  1
2001 Holzer W, Penzkofer A, Stockmann R, Meysel H, Liebegott H, Hörhold HH. Photophysical characterization of diphenyl-substituted phenylenevinylene and diphenylenevinylene polymers Polymer. 42: 3183-3194. DOI: 10.1016/S0032-3861(00)00522-X  1
2000 Lammel O, Penzkofer A. Femtosecond pulse duration measurement by two-photon fluorescence detection Optical and Quantum Electronics. 32: 1147-1160. DOI: 10.1023/A:1007076703519  1
2000 Holzer W, Penzkofer A, Hörhold HH, Raabe D, Helbig M. Photo-physical and lasing characterization of an aromatic diamine-xylylene copolymer Optical Materials. 15: 225-235. DOI: 10.1016/S0925-3467(00)00020-3  1
2000 Holzer W, Penzkofer A, Hörhold HH. Travelling-wave lasing of TPD solutions and neat films Synthetic Metals. 113: 281-287. DOI: 10.1016/S0379-6779(00)00231-9  1
2000 Holzer W, Gratz H, Schmitt T, Penzkofer A, Costela A, Garca-Moreno I, Sastre R, Duarte FJ. Photo-physical characterization of rhodamine 6G in a 2-hydroxyethyl-methacrylate methyl-methacrylate copolymer Chemical Physics. 256: 125-136. DOI: 10.1016/S0301-0104(00)00101-4  1
2000 Gratz H, Penzkofer A. Singlet-singlet excited-state absorption and triplet-triplet absorption of meso-tetraphenylporphine Chemical Physics. 254: 363-374. DOI: 10.1016/S0301-0104(00)00049-5  1
2000 Penzkofer A, Holzer W, Tillmann H, Raabe D, Helbig M, Hoerhold HH. Travelling-wave lasing of TPD molecules and TPD-arylene copolymers Conference On Lasers and Electro-Optics Europe - Technical Digest. 271.  1
1999 Gong SH, Penzkofer A. Two-photon absorption and two-photon induced absorption of liquid toluene at 347.15 nm Optical and Quantum Electronics. 31: 1145-1170. DOI: 10.1023/A:1006930612062  1
1999 Zahner T, Stierstorfer R, Reindl S, Schauer T, Penzkofer A, Lengfellner H. Picosecond thermoelectric response of thin YBa2Cu3O7-δ films Physica C: Superconductivity and Its Applications. 313: 37-40. DOI: 10.1016/S0921-4534(99)00005-2  1
1999 Holzer W, Pichlmaier M, Drotleff E, Penzkofer A, Bradley DDC, Blau WJ. Optical constants measurement of luminescent polymer films Optics Communications. 163: 24-28. DOI: 10.1016/S0030-4018(99)00127-3  1
1999 Gong SH, Penzkofer A. Two-photon absorption and two-photon-induced absorption of some organic liquids at 347.15 nm Optical and Quantum Electronics. 31: 269-290.  1
1999 Gratz H, Penzkofer A, Abels C, Szeimies RM, Landthaler M, Bäumler W. Photo-isomerisation, triplet formation, and photo-degradation dynamics of indocyanine green solutions Journal of Photochemistry and Photobiology a: Chemistry. 128: 101-109.  1
1999 Gratz H, Penzkofer A. Triplet-triplet absorption of some organic molecules determined by picosecond laser excitation and time-delayed picosecond light continuum probing Journal of Photochemistry and Photobiology a: Chemistry. 127: 21-30.  1
1999 Holzer W, Penzkofer A, Pichlmaier M, Bradley DDC, Blau WJ. Photodegradation of some luminescent polymers Chemical Physics. 248: 273-284.  1
1999 Holzer W, Pichlmaier M, Penzkofer A, Bradley DDC, Blau WJ. Fluorescence spectroscopic behaviour of neat and blended conjugated polymer thin films Chemical Physics. 246: 445-462.  1
1998 Holzer W, Mauerer M, Penzkofer A, Szeimies RM, Abels C, Landthaler M, Bäumler W. Photostability and thermal stability of indocyanine green. Journal of Photochemistry and Photobiology. B, Biology. 47: 155-64. PMID 10093915 DOI: 10.1016/S1011-1344(98)00216-4  1
1998 Mauerer M, Penzkofer A, Zweck J. Dimerization, J-aggregation and J-disaggregation dynamics of indocyanine green in heavy water Journal of Photochemistry and Photobiology B: Biology. 47: 68-73. DOI: 10.1016/S1011-1344(98)00205-X  1
1998 Penzkofer A, Drotleff E, Holzer W. Optical constants measurement of single-layer thin films on transparent substrates Optics Communications. 158: 221-230.  1
1998 Wittmann M, Rotermund F, Weigand R, Penzkofer A. Saturable absorption and absorption recovery of indocyanine green J-aggregates in water Applied Physics B: Lasers and Optics. 66: 453-459.  1
1998 Penzkofer A, Holzer W, Gong SH, Bradley DDC, Long X, Bleyer A, Blau WJ, Davey AP. Effective stimulated emission and excited-state absorption cross-section spectra of luminescent polymers Proceedings of Spie - the International Society For Optical Engineering. 3491: 762-766.  1
1998 Holzer W, Penzkofer A, Gong SH, Blau WJ, Davey AP. Effective stimulated emission and excited-state absorption cross-section spectra of para-phenylene-ethynylene polymers Optical and Quantum Electronics. 30: 1-14.  1
1998 Reindl S, Penzkofer A. Strong-excitation and weak-excitation photodisintegration of DODCI Optical and Quantum Electronics. 30: 49-60.  1
1998 Holzer W, Penzkofer A, Gong SH, Bradley DDC, Long X, Blau WJ, Davey AP. Excitation intensity-dependent fluorescence behaviour of some luminescent polymers Polymer. 39: 3651-3656.  1
1998 Reindl S, Penzkofer A, Gratz H. Intersystem-crossing and excited-state absorption of C70 studied by picosecond pump and probe absorption and fluorescence measurements Journal of Photochemistry and Photobiology a: Chemistry. 115: 89-97.  1
1998 Reindl S, Penzkofer A. Higher excited-state photoisomerization and singlet to triplet intersystem-crossing in DODCI Chemical Physics. 230: 83-96.  1
1997 Holzer W, Penzkofer A, Gong SH, Davey AP, Blau WJ. Laser performance studies of para-(phenylene-ethynylene) polymers in organic solvents Optical and Quantum Electronics. 29: 713-724.  1
1997 Penzkofer A, Holzer W, Gong SH. Effective stimulated emission cross-sections determined by transient fluorescence amplification in a Fabry-Pérot resonator Optical and Quantum Electronics. 29: 611-626.  1
1997 Wittmann M, Penzkofer A. S1 singlet excited-state absorption of DODCI Applied Physics B: Lasers and Optics. 65: 49-56.  1
1997 Holzer W, Penzkofer A, Gong SH, Bradley DDC, Long X, Bleyer A. Effective stimulated emission and excited-state absorption cross-section spectra of poly(m-phenylenevinylene-co-2,5-dioctoxy-p-phenylenevinylene) and t,t′-didecyloxy-II-distyrylbenzene Chemical Physics. 224: 315-326.  1
1997 Wittmann M, Penzkofer A. Saturable absorption dynamics of mode-locking dye DODCI Applied Physics B: Lasers and Optics. 65: 761-769.  1
1997 Weigand R, Rotermund F, Penzkofer A. Aggregation dependent absorption reduction of indocyanine green Journal of Physical Chemistry A. 101: 7729-7734.  1
1997 Rotermund F, Weigand R, Holzer W, Wittmann M, Penzkofer A. Fluorescence spectroscopic analysis of indocyanine green J aggregates in water Journal of Photochemistry and Photobiology a: Chemistry. 110: 75-78.  1
1997 Sathy P, Penzkofer A. Absorption and fluorescence spectroscopic analysis of rhodamine 6G and oxazine 750 in porous sol-gel glasses Journal of Photochemistry and Photobiology a: Chemistry. 109: 53-57.  1
1997 Rotermund F, Weigand R, Penzkofer A. J-aggregation and disaggregation of indocyanine green in water Chemical Physics. 220: 385-392.  1
1997 Weigand R, Rotermund F, Penzkofer A. Degree of aggregation of indocyanine green in aqueous solutions determined by Mie scattering Chemical Physics. 220: 373-384.  1
1997 Reindl S, Penzkofer A, Gong SH, Landthaler M, Szeimies RM, Abels C, Bäumler W. Quantum yield of triplet formation for indocyanine green Journal of Photochemistry and Photobiology a: Chemistry. 105: 65-68.  1
1996 Penzkofer A, Ramelsperger M, Wittmann M. Photoisomerization dynamics of DODCI studied by spectrally resolved fluorescence decay measurements Chemical Physics. 208: 137-147. DOI: 10.1016/0301-0104(96)00087-0  1
1996 Reindl S, Penzkofer A. Triplet quantum yield determination by picosecond laser double-pulse fluorescence excitation Chemical Physics. 213: 429-438.  1
1996 Holzer W, Penzkofer A, Gong SH, Bleyer A, Bradley DDC. Laser action in poly(m-phenylenevinylene-co-2,5-dioctoxy-p-phenylenevinylene) Advanced Materials. 8: 974-978.  1
1996 Steinkellner O, Furthner J, Penzkofer A. Bandwidth-limited time-synchronized frequency tunable double pulse generation in a branched picosecond Nd : Glass laser Optical and Quantum Electronics. 28: 1773-1780.  1
1996 Penzkofer A, Wittmann M, Lorenz M, Siegert E, Macnamara S. Kerr lens effects in a folded-cavity four-mirror linear resonator Optical and Quantum Electronics. 28: 423-442.  1
1996 Reindl S, Penzkofer A. Higher excited-state triplet-singlet intersystem crossing of some organic dyes Chemical Physics. 211: 431-439.  1
1996 Philip R, Penzkofer A, Bäumler W, Szeimies RM, Abels C. Absorption and fluorescence spectroscopic investigation of indocyanine green Journal of Photochemistry and Photobiology a: Chemistry. 96: 137-148.  1
1996 Wittmann M, Penzkofer A. Spectral superbroadening of femtosecond laser pulses Optics Communications. 126: 308-317.  1
1996 Penzkofer A, Ramelsperger M, Wittmann M. Photoisomerization of DODCI studied with a spectrometer - streak camera system Technical Digest - European Quantum Electronics Conference. 197.  1
1995 Wittmann M, Penzkofer A, Gössl G. Experimental and theoretical investigation of a multipass, plane mirror, femtosecond dye laser amplifier. Applied Optics. 34: 5287-96. PMID 21060347 DOI: 10.1364/AO.34.005287  1
1995 Ammer F, Penzkofer A, Weidner P. Concentration-dependent fluorescence behaviour of oxazine 750 and rhodamine 6G in porous silicate xerogel monoliths Chemical Physics. 192: 325-331. DOI: 10.1016/0301-0104(94)00388-Q  1
1995 Weidner P, Penzkofer A. Picosecond transient spectral hole-burning studies on oxazine 750 in a silicate xerogel Chemical Physics. 191: 303-319. DOI: 10.1016/0301-0104(94)00364-G  1
1995 Sathy P, Penzkofer A. Three-photon absorption and its limitation of third-order nonlinear optical effects in rutile Applied Physics B Laser and Optics. 61: 127-134. DOI: 10.1007/BF01090933  1
1995 Wittmann M, Penzkofer A. Spectroscopic characterization of semiconductor doped colour filter glasses Optical and Quantum Electronics. 27: 705-724. DOI: 10.1007/BF00576722  1
1995 Gratz H, Penzkofer A, Weidner P. Nanometer particle size, pore size, and specific surface determination of colloidal suspensions and porous glasses by rayleigh light scattering Journal of Non-Crystalline Solids. 189: 50-54.  1
1995 Penzkofer A, Gratz H, Weidner P. Dye sorption studies and specific surface determination of porous silicate sol-gel glasses Journal of Non-Crystalline Solids. 189: 55-65.  1
1994 Penzkofer A, Furthner J. Theoretical analysis of a time-synchronized picosecond double-pulse branched Nd: glass laser Optical and Quantum Electronics. 26: 1061-1078. DOI: 10.1007/BF00284503  1
1993 Penzkofer A, Beidoun A. Triplet-triplet absorption of eosin Y in methanol determined by nanosecond excimer laser excitation and picosecond light continuum probing Chemical Physics. 177: 203-216. DOI: 10.1016/0301-0104(93)80190-K  1
1993 Wittmann M, Penzkofer A. Concentration-dependent absorption and emission behaviour of sulforhodamine B in ethylene glycol Chemical Physics. 172: 339-348. DOI: 10.1016/0301-0104(93)80128-V  1
1993 Penzkofer A, Beidoun A, Speiser S. Singlet excited-state absorption of eosin Y Chemical Physics. 170: 139-148. DOI: 10.1016/0301-0104(93)80099-U  1
1993 Petrov V, Wittmann M, Bäumler W, Penzkofer A. Femtosecond pulse generation around 650 nm in a passive mode-locked Kiton Red dye laser Optics Communications. 95: 81-84. DOI: 10.1016/0030-4018(93)90053-8  1
1993 Weidner P, Penzkofer A. Spectral broadening of picosecond laser pulses in optical fibres Optical and Quantum Electronics. 25: 1-25. DOI: 10.1007/BF00431002  1
1993 Penzkofer A, Lehmeier HJ. Theoretical investigation of noncollinear phase-matched parametric four-photon amplification of ultrashort light pulses in isotropic media Optical and Quantum Electronics. 25: 815-844. DOI: 10.1007/BF00430189  1
1993 Penzkofer A, Beidoun A, Lehmeier HJ. Spectral superbroadening of self-focused picosecond laser pulses in D2O Optical and Quantum Electronics. 25: 317-349. DOI: 10.1007/BF00420689  1
1993 Schwan C, Penzkofer A, Marx NJ, Drexhage KH. Phase-matched third-harmonic generation of Nd: Glass-laser picosecond pulses in a new cyanine-dye solution Applied Physics B Photophysics and Laser Chemistry. 57: 203-211. DOI: 10.1007/BF00334536  1
1992 Penzkofer A, Wittmann M, Bäumler W, Petrov V. Theoretical analysis of contributions of self-phase modulation and group-velocity dispersion to femtosecond pulse generation in passive mode-locked dye lasers. Applied Optics. 31: 7067-82. PMID 20802568 DOI: 10.1364/AO.31.007067  1
1992 Baumler W, Schmalzl AX, Goss G, Penzkofer A. Fluorescence decay studies applying a CW femtosecond dye laser pumped ungated inverse time-correlated single photon counting system Measurement Science and Technology. 3: 384-393. DOI: 10.1088/0957-0233/3/4/009  1
1992 Wittmann M, Penzkofer A, Bäumler W. Generation of frequency tunable femtosecond pulses in a cw pumped linear dispersion-balanced passive mode-locked rhodamine 6G dye laser Optics Communications. 90: 182-192. DOI: 10.1016/0030-4018(92)90352-R  1
1992 Penzkofer A, Beidoun A, Daiber M. Intersystem-crossing and excited-state absorption in eosin Y solutions determined by picosecond double pulse transient absorption measurements Journal of Luminescence. 51: 297-314. DOI: 10.1016/0022-2313(92)90059-I  1
1992 Furthner J, Penzkofer A. Emission spectra and cross-section spectra of neodymium laser glasses Optical and Quantum Electronics. 24: 591-601. DOI: 10.1007/BF00619758  1
1992 Bäumler W, Penzkofer A. Femtosecond pulse generation in a linear passive mode-locked dye laser Optical and Quantum Electronics. 24: 313-344. DOI: 10.1007/BF00619406  1
1991 Bäumler W, Penzkofer A. Measurement of background energy content of a linear cw colliding pulse mode-locked dye laser Optics Communications. 85: 326-330. DOI: 10.1016/0030-4018(91)90485-V  1
1991 Penzkofer A, Bäumler W. Theoretical analysis of pulse development in a colliding pulse mode-locked dye laser Optical and Quantum Electronics. 23: 727-754. DOI: 10.1007/BF00613004  1
1991 Penzkofer A. Theoretical analysis of pulse shaping of self-phase modulated pulses in a grating pair compressor Optical and Quantum Electronics. 23: 685-702. DOI: 10.1007/BF00613001  1
1991 Meier B, Penzkofer A. Picosecond pulse generation in a benzene raman generator amplifier system Applied Physics B Photophysics and Laser Chemistry. 53: 65-70. DOI: 10.1007/BF00325533  1
1991 Penzkofer A, Baeumler W. Femtosecond pulse generation in a cw pumped passive mode-locked linear rhodamine 6G-DODCI dye laser Institute of Physics Conference Series. 126: 89-92.  1
1991 Schmidt J, Penzkofer A. Absorption cross sections, saturated vapor pressures, sublimation energies, and evaporation energies of some organic laser dye vapors The Journal of Chemical Physics. 96: 1403-1409.  1
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