Group members are underlined

      Femtosecond Stimulated Raman Spectroscopy of Flavin After Optical Ecitation

        A. Weigel, A. Dobryakov, B. Klaumünzer, M. Sajadi, P. Saalfrank, N.P. Ernsting

        J. Phys. Chem. B, accepted

• Solvation oscillations and excited-state dynamics of 2-amino- and 2-hydroxy-7-nitro-fluorene and its 2′-deoxy-riboside
  V. Karunakaran, M. Pfaffe, I. Ioffe, T. Senyushkina, S.A. Kovalenko, R. Mahrwald, V. Farztdinov, H. Sklenar, N.P. Ernsting
  J. Phys. Chem, 112, 4294 (2008)

 
• Sub-Picosecond Fluorescence Evolution of Amino-Cyano-Stilbenes in Methanol:
  Polar Solvation obeys Continuum Theory without Evidence of Twisting
  N.P. Ernsting, J. Breffke, D.Yu. Vorobyev, D.A. Duncan, I. Pfeffer
  PCCP, 10, 1-7 (2008)

 
• Femtosecond Transient Absorption with Chirped Pump and Supercontinuum Probe: Perturbative Calculation of Transient Spectra with General Lineshape Functions, and Simplifications
  A. Dobryakov, J.L. Pérez Lustres, S.A. Kovalenko, N.P. Ernsting
  Chem. Physics, 347, 127 (2008)

 
• Transient and Stationary Spectroscopy of Cytochrome c:
  Ultrafast Internal conversion Controls Photoreduction
  Dennis Löwenich, Karl Kleinermanns, V. Karunakaran, S.A. Kovalenko, N.P. Ernsting
  Photochemistry and Photobiology, 84, 193 (2008)

 
• 2-Amino-7-Nitro-Fluorenes in Neat and Mixed Solvents - Optical Band Shapes and Solvatochromism
  V. Karunakaran, T. Senyushkina, G. Saroja, J. Liebscher, N.P. Ernsting
  J. Phys. Chem. A, 111 10944 (2007)

 
• Solvent-Dependent Oxidation of a (Pyridylmethyl)amino Ligand by FeCI₃ to give a Water-Soluble Blue Fluorophore
  M. Ostermeier, Ch. Limberg, B. Ziemer, K. Venugopal
  Angew. Chem. Int. Ed., 46, 5329-5331 (2007)

 
• Ultrafast Proton Transfer to Solvent: Molecularity and Intermediates from Solvation- and Diffusion-controlled Regimes
  J.L. Pérez Lustres, F. Rodriguez-Prieto, M. Mosquera, T.A. Senyushkina, N.P. Ernsting and S.A. Kovalenko
  J. Am. Chem. Soc., 129, 5408-5418 (2007)

 
• Towards Biosensing of Arteriosclerotic Nanoplaque Formation Using Femtosecond Spectroscopy
  M. Rodriguez, A. Lindinger, N.P. Ernsting, M Malmsten, G. Siegel
  ABB, , online (Feb 2007)

 
• Analysis of Electronic and Vibrational Coherence in Transient Absorption Spectroscopy
  A.D. Dobryakov, N.P. Ernsting
  in Analysis and Control of Ultrafast Photoinduced Reactions
  Oliver Kühn, Ludger Wöste (eds)
  Springer Series in Chemical Physics, Vol. 87, Springer, Heidelberg (2007)

 
• S₂→ S₁ Internal Conversion in β -Carotene: Vibronic Coupling Strength from Amplitude Oscillations of Transient Absorption Bands
  J. Luis Pérez Lustres, Alexander L. Dobryakov, Alfred Holzwarth, Manoel Veiga
  Angew.Chem. Int.Ed., 46, 3758-3761 (2007).

 
• Interactive Curve Resolution by using Latent Projections in Polar Coordinates
  J. von Frese, S. Kovalenko, N.P. Ernsting
  J. of Chemometrics, 21, 2-9 (2007)

 
• Femtosecond Dynamics of Proteoheparan Sulphate (HS-PG) after UV Excitation - a Readout for Studies of Arteriosclerotic Nanoplaque Formation ?
  M. Rodriguez, A. Lindinger, J.L. Pérez Lustres, S.A. Kovalenko, N.P. Ernsting, L. Wöste, G. Siegel
  Biochem. Biophys. Res.Commun., 345 886-893 (2006)

 
• Mapping CTTS Dynamics of Na- in Tetrahydrofurane with Ultrafast Multichannel Pump-probe Spectroscopy
  O. Shoshana, J.L. Pérez Lustres, N.P. Ernsting, S. Ruhman
  PCCP, 8, 2599-2609 (2006)

 
• Ultrafast Dynamics in DNA: "Fraying" at the End of the Helix
  D. Andreatta, S. Sen, J.L. Pérez Lustres, S.A. Kovalenko, N.P. Ernsting, C.J. Murphy, R.S. Coleman and M.A. Berg
  J. Am. Chem. Soc., 128 (21), 6885 - 6892 (2006)

 
• Detecting Electronic Coherence in Excited-State Electron Transfer in Fluorinated Benzenes
  S.A. Kovalenko, A.L. Dobryakov, V. Farztdinov
  Phys. Rev. Lett., 96, 068301-1 (2006)

 
• Large Dynamic Stokes Shift of DNA Intercalation Dye Thiazole Orange has Contribution from a High-Frequency Mode
  Karunakaran Venugopal, Luis Pérez Lustres, Lijuan Zhao, Nikolaus P. Ernsting, Oliver Seitz
  J. Am. Chem. Soc., 128, 2954-2962 (2006)

 
• Dynamics of Ultrafast Intramolecular Charge Transfer with 4-(Dimethylamino)Benzonitrile in Acetonitrile
  Sergey I. Druzhinin, Nikolaus P. Ernsting, Sergey A. Kovalenko, Luis Pérez Lustres, Tamara A. Senyushkina, Klaas A. Zachariasse
  J. Phys. Chem. A, 110, 2955-2969 (2005)

 
• Ultrafast Intramolecular Charge Transfer and Internal Conversion with Tetrafluoro-Aminobenzonitriles
  Victor A. Galievsky, Sergey I. Druzhinin, Attila Demeter, Sergey A. Kovalenko, Luis Pérez Lustres, Karunakaran Venugopal, Nikolaus P. Ernsting, Xavier Allonas, Mathias Noltemeyer, Reinhard Machinek, Klaas A. Zachariasse
  ChemPhysChem, 6, 2307-2323 (2005).

 
• Femtosecond S₃ ← S₁ Conversion and Structural Reorganisation of (trans)-3-Phenylprop-2-Enaldehyde and Derivatives in Solution
  J. L. Pérez Lustres, Vadim M. Farztdinov, Sergey A. Kovalenko
  ChemPhysChem, 6, 1590-1599 (2005)

 
• Ultrafast Solvation of N-Methyl-6-Quinolone Probes Local Infrared Spectrum
  J. Luis Pérez Lustres, Sergey A. Kovalenko, Manuel Mosquera, Tamara Senyushkina, Wolfgang Flasche, Nikolaus P. Ernsting
  Angew.Chem. Int.Ed., 44, 5635-5639 (2005).
  Angew.Chem. dt. Ausgabe, 117, 5779-5783 (2005)

 
• Coherent and Sequential Contributions to Femtosecond Transient Absorption Spectra of a Rhodamine Dye in Solution
  A.L. Dobryakov, Sergey A. Kovalenko, Nikolaus P. Ernsting
  J. Chem. Phys., 123, 044502 (2005)

 
• Power-Law Solvation Dynamics in DNA over Six Decades in Time
  Daniele Andreatta, J. Luis Pérez Lustres, Sergey A. Kovalenko, Nikolaus P. Ernsting, Catherine J. Murphy, Robert S. Coleman and Mark A. Berg
  J. Am. Chem. Soc., 127, 7270-7271 (2005)

 
• Femtosecond Fluorescence Spectroscopy by Upconversion with tilted Gate Pulses
  Lijuan Zhao, J. Luis Pérez Lustres, Vadim Farztdinov, Nikolaus P. Ernsting.
  PCCP, 7, 1716 (2005)

 
• Synthesis of Alkylated Aminofluorenes by Palladium-Catalyzed Substitution at Halofluorenes
  Ginagunta Saroja, Zhang Pingzhu, Nikolaus P. Ernsting, Jürgen Liebscher
  J. Org. Chem., 69, 987 (2004)

 
• Photoinduced Electron Transfer in Bianthryl and Cyanobianthryl in Solution: The Case for a High-Frequency Intramolecular Reaction Coordinate
  S.A. Kovalenko, J.L. Pérez Lustres, N.P. Ernsting, W. Rettig
  J. Phys. Chem. A , 107, 10228 (2003)

 
• Electronic and Vibrational Coherence Effects in Broadband Transient Absorption Spectroscopy with chirped Supercontinuum Probing
  A.L. Dobryakov, S.A. Kovalenko, N.P. Ernsting
  J. Chem. Phys., 119, 988-1002 (2003)

 
• Excited-State Photophysics of an Acridine Derivative selectively Intercalated in Duplex DNA
  S. Hess, W.B. Davis, A.A. Voityuk, N. Röch, M.E. Michel-Beyerle, N.P. Ernsting, S.A. Kovalenko, J.L. Pérez Lustres
  ChemPhysChem, 3, 452-455 (2002)

 
• Rotational Friction Kernel in Water from the Femtosecond Time-Resolved Optical Kerr Effect of Acetonitrile/Water Mixtures
  N.P. Ernsting, G.M. Photiadis, H. Hennig, T. Laurent
  J. Phys. Chem. A, 106, 9159-9173 (2002)

 
• Solvent Dependence of Structure and Electronic Properties in the Ground and First Excited Singlet State of 4-Dimethylamino-4-Nitrostilbene (DANS) - semiempirical calculations
  V.M. Farztdinov, N.P. Ernsting
  Chem. Physics, 277, 257-270 (2002)

 
• Femtosecond Spectroscopy of p-Dimethylaminocyanostilbene in Solution -- no Evidence for Dual Fluorescence
  S.A. Kovalenko, R. Schanz, T.A. Senyushkina, N.P. Ernsting
  PCCP, 4, 703-707 (2002)

 
• Frequency and Time-Domain Analysis of Excited-State Intramolecular Proton Transfer. Double-Proton Transfer in 2,5-bis(2-Benzoxazolyl)-Hydroquinone?
  J. Weiß, V. May, N.P. Ernsting, V. Farztdinov, A. Mühlpfordt
  Chem. Phys. Lett., 346, 503-511 (2001)

 
• Cooling Dynamics of an Optically Excited Molecular Probe in Solution from Femtosecond Broadband Transient Absorption Spectroscopy
  S.A. Kovalenko, R. Schanz, H. Hennig, N.P. Ernsting
  J. Chem. Phys., 115, 3256-3273 (2001)

 
• Broad-Band Fluorescence Upconversion for Femtosecond Spectroscopy
  R. Schanz, S.A. Kovalenko, V. Kharlanov, N.P. Ernsting
  Appl. Phys. Lett., 79, 566-568 (2001)

 
• Charge Transfer and Solvation of Betaine-30 in Polar Solvents: a Femtosecond Broadband Transient Absorption Study
  S.A. Kovalenko, N. Eilers-König, T.A. Senyushkina, N.P. Ernsting
  J. Phys. Chem. A, 105, 4834-4843 (2001)

 
• Wave-Packet-Assisted Decomposition of Femtosecond Transient UV/vis Absorption Spectra: Application to Excited-State Intramolecular Proton Transfer in Solution
  N.P. Ernsting, S.A. Kovalenko, T. Senyushkina, J. Saam, V. Farztdinov
  J. Phys. Chem. A, 105, 3443-3453 (2001)

 
• Relaxation of Optically Excited p-Nitroaniline: Semiempirical Quantum-Chemical Calculations Compared to Femtosecond Experimental Results
  Vadim M. Farztdinov, Roland Schanz, Sergey A. Kovalenko, Nikolaus P. Ernsting
  J. Phys. Chem. A, 104, 11486-11496 (2000)

 
• Femtosecond Relaxation of Photoexcited Para-Nitroaniline: Solvation, Charge Transfer, Internal Conversion and Cooling
  S.A. Kovalenko, R. Schanz, V.M. Farztdinov, H. Hennig, N.P. Ernsting
  Chem. Phys. Lett. 323, 312-322 (2000)

 
• The Ultrafast Optical Kerr Effect in Liquid Fluoroform: an Estimate of the Collision-Induced Contribution
  Thomas F. Laurent, Horst Hennig, Nikolaus P. Ernsting Sergey A. Kovalenko
  PCCP, 2, 2691-2697 (2000)

 
• Ultrafast Optical Response of Carbon Films
  Vadim M. Farztdinov, Sergey A. Kovalenko, Yuri E. Lozovik, Dmitrii V. Lisin, Yuri A. Matveets, Tatyana S. Zhuravleva, Victor M. Geskin, Lev M. Zemtsov, Vladimir V. Kozlov, Gerd Marowsky
  J. Phys. Chem. B, 104, 220 (2000)

 
• Coumarin 153 in the Gas Phase: Optical Spectra and Quantum Chemical Calculations
  A. Mühlpfordt, R. Schanz, N.P. Ernsting, V. Farztdinov, S. Grimme
  PCCP, 1, 3209 (1999)

 
• Femtosecond Spectroscopy of Condensed Phases with Supercontinuum Probing
  S.A. Kovalenko, A.L. Dobryakov, J. Ruthmann, N.P. Ernsting
  Phys. Rev. A, 59, 2369 (1999)

 
• Femtosecond Photodissociation Dynamics of Bis-Julolidine Disulfide in Polar and Apolar Solvents
  A. Lochschmidt, N. Eilers-König, N. Heineking and N.P. Ernsting
  J. Phys. Chem. A, 103, 1776 (1999)

 
• Fermi Liquid Study on Femtosecond Scale
  Yu.E. Lozovik, S.A. Kovalenko, A.L. Dobryakov, V.M. Farztdinov, Yu.A. Matveets, S.P. Merkulova, and N.P. Ernsting
  Laser Physics, 9, 557 (1999)

 
• Femtosecond Dynamics of A₂B₆ Metal Microcavity Polaritons
  E.A. Vinogradov, V.M. Farztdinov, S.A. Kovalenko, A.L. Dobryakov, Yu. E. Lozovik, and Yu. A. Matveets
  Laser Physics, 9, 215 (1999)

 
• Picosecond IR Study of the UV Photoinduced Decomposition of bis(Naphthoyl)Peroxide and Naphthoyl Peroxycarbonate
  J. Aschenbrucker,M. Buback, N.P. Ernsting, J. Schroeder, U. Steegmuller, Ber. Bunsenges.
  Phys. Chem. 102, 965 (1998)

 
• Peroxyester Decarboxylation Studied by Picosecond Transient Spectroscopy
  J. Aschenbrucker, M. Buback, N. P. Ernsting, J. Schroeder, U.Steegmuller
  J. Phys. Chem., B 102, 5552 (1998)

 
• Femtosecond Relaxation of 2-Amino-7-Nitrofluorene in Acetonitrile: Observation of the Oscillatory Contribution to the Solvent response
  J. Ruthmann, S.A. Kovalenko, D. Ouw, N.P. Ernsting
  J. Chem. Phys., 109, 5466 (1998)

 
• Femtosecond Hole-Burning Spectroscopy with Stimulated Emission Pumping and Supercontinuum Probing
  S.A. Kovalenko, J. Ruthmann, N.P. Ernsting
  J. Chem. Phys., 109, 1894 (1998)

 
• The Slowing-Down of Ultrafast Relaxation in C60 Films at High Femtosecond Pump Intensities
  V.M. Farztdinov, S.A. Kovalenko, Yu.A. Matveets, N.F. Starodubtsev, G. Marowsky
  Appl. Phys. B 66, 225 (1998)

 
• Spectral Dependence of Femtosecond Relaxation and Coherent Phonon Excitation in C60 Films
  V.M. Farztdinov, A.L. Dobryakov, V.S.Letokhov, Yu.E. Lozovik, Yu. Matveets, S.A. Kovalenko, N.P. Ernsting
  Phys. Rev. B 56, 4176 (1997)

 
• Picosecond UV Pump / IR Probe Spectrometer for the 2-5 mm Spectral Region
  J. Aschenbrücker, U. Steegmüller, N.P. Ernsting, J. Jasny
  Appl. Phys. B 65, 441 (1997)

 
• Ultrafast Stokes Shift and Excited-State Transient Absorption of Coumarin 153 in Solution
  S.A. Kovalenko, J. Ruthmann, N.P. Ernsting
  Chem. Phys. Letters 271, 40 (1997)

 
• Femtosecond Dynamic Stokes Shift in Styryl Dyes: Solvation or Intramolecular Relaxation?
  S.A. Kovalenko, N.P. Ernsting, J. Ruthmann
  J. Chem. Phys. 106, 3504 (1997)

 
• A new Method of non-Fermi Liquid Study by Pump-Supercontinuum Probe Femtosecond Spectroscopy
  Yu.E. Lozovik, A.L. Dobryakov, N.P. Ernsting, S.A. Kovalenko
  Physics Letters A 223, 303 (1996)

 
• Zero-Kinetic-Energy Photoelectron Spectroscopy and Excited-State Intramolecular Proton Transfer in a `Double´ Benzoxazole
  A. Mühlpfordt, U. Even, N.P. Ernsting
  Chem. Phys. Letters 263, 178 (1996)

 
• Competition between Geminate Recombination and Solvation of Polar Radicals Following Ultrafast Photodissociation of bis(p-Aminophenyl) Disulfide
  T. Bultmann, N.P. Ernsting
  J. Phys. Chem. 100, 19417 (1996)

 
• Femtosecond Holeburning Spectroscopy of the Dye DCM in Solution: the Transition from the Locally-Excited to the Charge-Transfer State
  S.A. Kovalenko, N.P. Ernsting, J. Ruthmann
  Chem. Phys. Letters 258 445 (1996)

 
• A new Cell Design for Off-Axis Amplification of Ultrashort Dye Lasers which Uses Total Internal Reflection
  T. Bultmann, D. Bingemann, N.P. Ernsting, D. Schwarzer, L. Nikowa
  Rev. Sci. Instrum. 66, 4393 (1995)

 
• Femtosecond Solvation Dynamics Determining the Bandshape of Stimulated Emission from a Polar Styryl Dye
  D. Bingemann, N.P. Ernsting
  J. Chem. Phys. 102, 2691 (1995)

 
• Ultrafast Solvation of Polar Photochromic Reaction Products
  K. Kemeter, D. Bingemann, T. Bultmann, N.P. Ernsting
  Mol. Cryst. Liq. Cryst. 246, 251 (1994)

 
• Excited-State Intramolecular Proton Transfer in 3-Hydroxyflavone: Deuteration Studies, Vibronic Double-Resonance Experiments, and Semiempirical (AM1) Calculations of Potential-Energy Surfaces
  A. Mühlpfordt, T. Bultmann, N.P. Ernsting, B. Dick
  Chem. Phys. 181, 447 (1994)