Publications
75. Joseph D. Henrich, Haoyu Zhang, Prabir K. Dutta, and Bern Kohler, “ Ultrafast Electron Transfer Dynamics in Ruthenium Polypyridyl Complexes with a pi-Conjugated Ligand,” Journal of Physical Chemistry B ASAP (2010).
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74. Bern Kohler, “ Nonradiative Decay Mechanisms in DNA Model Systems,” Journal of Physical Chemistry Letters 1, 2047-2053 (2010).
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73. Anne I. S. Holm, Lisbeth M. Nielsen, Bern Kohler, Søren Vrønning Hoffmann and Steen Brøndsted Nielson, “ Electronic Coupling Between Cytosine Bases in DNA Single Strands and i-Motifs Revealed From Synchrotron Radiation Circular Dichroism Experiments,” Phys. Chem. Chem. Phys. 12, 3426 - 3430 (2010).
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72. Anne I. S. Holm, Bern Kohler, Søren Vrønning Hoffmann and Steen Brøndsted Nielson, “ Synchrotron Radiation Circular Dichroism of Various G-Quadruplex Structures,” Biopolymers 93, 429 - 433 (2009).
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71. Kimberly de La Harpe, Carlos E. Crespo-Hernández, and Bern Kohler, “ Deuterium Isotope Effect on Excited-State Dynamics in an Alternating GC Oligonucleotide,” Journal of the American Chemical Society 131, 17557 - 17559 (2009).
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70. Kimberly de La Harpe, Carlos E. Crespo-Hernández, and Bern Kohler, “ The Excited-State Lifetimes in a GC DNA Duplex are Nearly Independent of Helix Conformation and Base-Pairing Motif,” ChemPhysChem (Special Issue in Biophysics) 10, 1421-1425 (2009).
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69. Chris T. Middleton, Kimberly de La Harpe, Charlene Su, Yu Kay Law, Carlos E. Crespo-Hernández, and Bern Kohler, “ DNA Excited-State Dynamics: From Single Bases to the Double Helix,” Annual Review of Physical Chemistry 60, 217-239 (2009).
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68. Carlos E. Crespo-Hernández, Kimberly de La Harpe, and Bern Kohler, “ Ground-State Recovery Following UV Excitation is Much Slower in GC-DNA Duplexes and Hairpins Than in Mononucleotides,” Journal of the American Chemical Society 130, 10844-10845 (2008).
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67. Boiko Cohen, Matthew H. Larson, and Bern Kohler, “Ultrafast excited-state dynamics of RNA and DNA C tracts,”Chemical Physics, 350, 165-174 (2008).
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66. Tomohisa Takaya, Charlene Su, Kimberly de La Harpe, Carlos E. Crespo-Hernández, and Bern Kohler, “UV excitation of single DNA and RNA strands produces high yields of exciplex states between two stacked bases,”Proceedings of the National Academy of Sciences, 105, 10285-10290 (2008).
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65. Patrick M. Hare, Chris T. Middleton, Kristin I. Mertel, John M. Herbert, Bern Kohler, “Time-resolved infrared spectroscopy of the lowest triplet state of thymine and thymidine,”Chemical Physics, 347, 383-392 (2008).
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64. Yu Kay Law, Javad Azadi, Carlos E. Crespo-Hernández, Eric Olmon and Bern Kohler, “Predicting Thymine Dimerization Yields from Molecular Dynamics Simulations,”Biophysical Journal, 94, 3590-3600 (2008).
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63. Chris T. Middleton, Boiko Cohen, and Bern Kohler, “Solvent and Solvent Isotope Effects on the Vibrational Cooling Dynamics of a DNA Base Derivative,” Journal of Physical Chemistry A, 111, 10460-10467 (2007).
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62. Bern Kohler, “Symposium-in-Print: DNA Photodynamics Introduction,” Photochemistry and Photobiology, 83, 592-594 (2007).
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61. Wolfgang J. Schreier, Tobias E. Schrader, Florian O. Koller, Peter Gilch, Carlos E. Crespo-Hernández, Vijay N. Swaminathan, Thomas Carell, Wolfgang Zinth, Bern Kohler, “Thymine Dimerization in DNA Is an Ultrafast Photoreaction,” Science, 315, 625-629 (2007).
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60. Patrick M. Hare, Carlos E. Crespo-Hernández, and Bern Kohler, “Internal conversion to the electronic ground state occurs via two distinct pathways for pyrimidine bases in aqueous solution,” PNAS, 104, 435-440 (2007).
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59. Patrick M. Hare, Carlos E. Crespo-Hernández and Bern Kohler, “Solvent-Dependent Photophysics of 1-Cyclohexyluracil: Ultrafast Branching in the Initial Bright State Leads Nonradiatively to the Electronic Ground State and a Long-Lived 1nπ* State,” J. Phys. Chem. B, 110, 18641-18650 (2006).
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58. Carlos E. Crespo-Hernández, Boiko Cohen and Bern Kohler, “Molecular spectroscopy: Complexity of excited-state dynamics in DNA (Reply),” Nature, 441, E8 (2006).
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57. Carlos E. Crespo-Hernández, Boiko Cohen and Bern Kohler, “Base stacking controls excited-state dynamics in A·T DNA,” Nature, 436, 1141-1144 (2005).
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56. B. Cohen, C. E. Crespo-Hernández, P. M. Hare and B. Kohler, “Ultrafast excited-state dynamics in DNA and RNA polymers,” Femtochemistry and Femtobiology, eds. M. M. Martin and J. T. Hynes (Elsevier, 2004), 463-470.
Book Information
55. Boiko Cohen, Carlos E. Crespo-Hernández, and Bern Kohler, “Strickler-Berg Analysis of Excited Singlet State Dynamics in DNA and RNA Nucleosides,” Faraday Discussions, 127, 137-147 (2004).
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54. Carlos E. Crespo-Hernández and Bern Kohler, “Influence of Secondary Structure on Electronic Energy Relaxation in Adenine Homopolymers,” J. Phys. Chem. B 108, 11182-11188, (2004).
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53. Carlos E. Crespo-Hernández, Boiko Cohen, Patrick M. Hare, and Bern Kohler, “Ultrafast Excited-State Dynamics in Nucleic Acids,” Chem. Rev. 104, 1977-2020 (2004).
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52. Bern Kohler, “Ultrafast Electronic Energy Relaxation in Nucleic Acids,” Acc. Chem. Res., in preparation.
51. J. Peon, J. D. Hoerner, K. M. Huchton, C. Xia, and B. Kohler, “Control of charge recombination by ultrafast deprotonation in a geminate ion pair,” in preparation.
50. Lluís Blancafort, Boiko Cohen, Patrick M. Hare, Bern Kohler, and Michael A. Robb, “Singlet Excited-State Dynamics of 5-Fluorocytosine and Cytosine: An Experimental and Computational Study,” J. Phys. Chem. A. 109, 4431-4436 (2005).
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49. Patrick M. Hare, Carlos E. Crespo-Hernández, Boiko Cohen, Bern Kohler, “New insights into DNA photophysics,” Spectrum 16, 12-17 (2003).
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48. Boiko Cohen, Patrick M. Hare, Bern Kohler, “Ultrafast Excited-State Dynamics of Adenine and Monomethylated Adenines in Solution: Implications for the Nonradiative Decay Mechanism,” J. Am. Chem. Soc. 125, 13594-13601 (2003).
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47. B. Kohler, R. Malone, and J.-M. L. Pecourt, “Singlet state lifetimes in a series of cytosine derivatives,” Photochem. and Photobiol. 77, 158-164 (2003).
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46. C. Xia, J. Peon, and B. Kohler, “Femtosecond electron ejection in liquid acetonitrile: Evidence for cavity electrons and solvent anions,” J. Chem. Phys. 117, 8855-8866 (2002).
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45. Nina Ismail, Lluís Blancafort, Massimo Olivucci, Bern Kohler, Michael A. Robb, “Ultrafast Decay of Electronically Excited Singlet Cytosine via a p,p* to nO,p* State Switch,” J. Am. Chem. Soc. 124, 6818-6819 (2002).
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44. J. Peon, D. Polshakov, and B. Kohler, “Solvent Reorganization Controls the Rate of Proton Transfer from Neat Alcohol Solvents to Singlet Diphenylcarbene,” J. Am. Chem. Soc. 124, 6428-6438 (2002).
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43. J. Peon, J. D. Hoerner, and B. Kohler, “Near-threshold photoionization dynamics of indole in water,” in Liquid Dynamics: Experiment, Simulation, and Theory, ed. John. T. Fourkas (ACS Symposium Series Nr. 820, Washington, 2002), 122-135.
42. J.-M. L. Pecourt, J. Peon, and B. Kohler, “DNA Excited-state Dynamics: Ultrafast Internal Conversion and Vibrational Cooling in a Series of Nucleosides,” J. Am. Chem. Soc. 123, 10370-10378 (2001).
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41. B. Kohler, “The Kent Wilson Group in the 1990s,” in Ultrafast Phenomena XII, eds.T. Elsaesser, S. Mukamel, M. M. Murnane, and N. F. Scherer (Springer-Verlag, Berlin, 2001), pp. 10-13.
40. J.-M. L. Pecourt, J. Peon, and B. Kohler, “Femtosecond photophysics of DNA and RNA nucleosides in aqueous solution,” in Ultrafast Phenomena XII, eds. T. Elsaesser, S. Mukamel, M. M. Murnane, and N. F. Scherer (Springer-Verlag, Berlin, 2001), pp. 566-568.
39. J.-M. L. Pecourt, J. Peon, and B. Kohler, “Ultrafast internal conversion of electronically excited RNA and DNA nucleosides in water,” J. Am. Chem. Soc. 122, 9348-9349 (2000). [Erratum: J. Am. Chem. Soc. 123, 5166 (2001).]
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38. J. Peon, X. Tan, J. D. Hoerner, C. Xia, Y. F. Luk, and B. Kohler, “Excited state dynamics of methyl viologen. Ultrafast photoreduction in methanol and fluorescence in acetonitrile,” J. Phys. Chem. A 105, 5768-5777 (2001).
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37. G. C. Hess, B. Kohler, I. Likhotvorik, J. Peon, and M. S. Platz, “Ultrafast carbonylcarbene formation and spin-equilibration,” J. Am. Chem. Soc. 122, 8087-8088 (2000).
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36. J. Peon, G. C. Hess, J.-M. Pecourt, T. Yuzawa, and B. Kohler, “Ultrafast photoionization dynamics of indole in water,” J. Phys. Chem. A 103, 2460-2466 (1999).
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35. J. Peon, T. Yuzawa, and B. Kohler, “Aromatic solute photoionization studied by femtosecond transient absorption spectroscopy,” in Ultrafast Phenomena XI, eds. T. Elsaesser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth (Springer-Verlag, Berlin, 1998), pp. 606-608.
34. C. J. Bardeen, J. Che, K. R. Wilson, V. V. Yakovlev, V. A. Apkarian, C. C. Martens, R. Zadoyan, B. Kohler, and M. Messina, “Quantum control of I2 in the gas phase and in condensed phase solid Kr matrix,” J. Chem. Phys. 106, 8486-8503 (1997).
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33. C. J. Bardeen, J. W. Che, K. R. Wilson, V. V. Yakovlev, P. Cong, B. Kohler, J. L. Krause, and M. Messina, “Quantum control of NaI photodissociation reaction product states by ultrafast tailored light pulses,” J. Phys. Chem. A 101, 3815-3822 (1997).
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32. C. P. J. Barty, J. Che, T. Guo, B. Kohler, C. LeBlanc, M. Messina, F. Raksi, C. Rose-Petruck, J. A. Squier et al., “Seeing into matter with x-rays and controlling its evolution with light,” Femtochemistry: Ultrafast Chem. Phys. Processes Mol. Syst., [Lausanne Conf.], 348-355 (1996).
31. A. C. Tien, S. Kane, J. Squier, B. Kohler, and K. Wilson, “Geometrical distortions in single-shot FROG,” J. Opt. Soc. Am. B 13, 1160-1165 (1996).
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30. B. Kohler, V. V. Yakovlev, J. Che, J. L. Krause, M. Messina, K. R. Wilson, N. Schwentner, R. M. Whitnell, and Y. J. Yan, “Quantum control of wave packet evolution with tailored femtosecond pulses,” Phys. Rev. Lett. 74, 3360-3363 (1995).
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29. B. Kohler, J. L. Krause, F. Raksi, K. R. Wilson, V. V. Yakovlev, R. M. Whitnell, and Y. J. Yan, “Controlling the future of matter,” Acc. Chem. Res. 28, 133-40 (1995).
28. B. Kohler, V. V. Yakovlev, K. R. Wilson, J. Squier, K. W. DeLong, and R. Trebino, “Phase and intensity characterization of femtosecond pulses from a chirped pulse amplifier by frequencyresolved optical gating,” Opt. Lett. 20, 483 (1995).
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27. K. W. DeLong, C. L. Ladera, R. Trebino, B. Kohler, and K. R. Wilson, “Ultrashort-pulse measurement using noninstantaneous nonlinearities: Raman effects in frequency-resolved optical gating,” Opt. Lett. 20, 486 (1995).
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26. K. W. DeLong, D. N. Fittinghoff, R. Trebino, B. Kohler, and K. R. Wilson, “Pulse retrieval in frequency-resolved optical gating using the method of generalized projections,” Opt. Lett. 19, 2152 (1994).
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25. V. V. Yakovlev, B. Kohler, and K. R. Wilson, “Broadly tunable 30-fs pulses produced by optical parametric amplification,” Opt. Lett. 19, 2000 (1994).
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24. B. Kohler, J. L. Krause, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, and Y. J. Yan, “Quantum control of vibrational dynamics with tailored light pulses,” in Ultrafast Phenomena IX, eds. G. A. Mourou, A. H. Zewail, P. F. Barbara and W. H. Knox (Springer-Verlag, Berlin, 1994), p. 44.
23. B. Kohler, V. V. Yakovlev, K. R. Wilson, J. Squier, K. W. DeLong, and R. Trebino, “Intensity and phase measurements of femtosecond pulses from a chirped pulse amplifier,” in Ultrafast Phenomena IX, eds. G. A. Mourou, A. H. Zewail, P. F. Barbara and W. H. Knox (Springer-Verlag, Berlin, 1994), p. 147.
22. D. Pinkos, J. Squier, D. Schumacher, P. Bucksbaum, B. Kohler, V. V. Yakovlev, and K. R. Wilson, “Production of programmable amplified, shaped pulses in femtosecond lasers,” in Ultrafast Phenomena IX, eds. G. A. Mourou, A. H. Zewail, P. F. Barbara and W. H. Knox (Springer-Verlag, Berlin, 1994), p. 180.
21. B. Kohler, V. V. Yakovlev, and K. R. Wilson, “Characterization of amplified pulses for quantum control,” SPIE Proceedings Vol. 2116 ("Generation, Amplification and Measurement of Ultrashort Laser Pulses"), 1994, eds. R. P. Trebino and I. A. Walmsley, pp. 360-364.
20. B. Kohler, S. Bernet, A. Renn, and U. P. Wild, “Storage of 2000 holograms in a photochemical hole-burning system,” Opt. Lett. 18, 2144 (1993).
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19. B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, and S. Mukamel, “Mode-locking matter with light,” J. Phys. Chem. 97, 12602 (1993).
18. B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, and Y. J. Yan, “New approaches to solution reaction dynamics: Quantum control and ultrafast diffraction,” in Reaction Dynamics in Clusters and Condensed Phases, 26th Jerusalm Symposium, J. Jortner, R. D. Levine, and B. Pullman, eds. (Kluwer, Dordrecht, 1993).
17. B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, and Y. J. Yan, “Femtosecond pulse shaping for molecular control,” in Femtosecond Reaction Dynamics, Royal Netherlands Academy of Arts and Sciences , D. Wiersma, ed. (North-Holland, Amsterdam 1993).
16. B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, and Y. J. Yan, “Quantum control and experimental realities,” in Proceedings of the 6th Int. Conf. on Multiphoton Processes (ICOMP VI), World Scientific (1993).
15. Y. J. Yan, B. Kohler, R. E. Gillilan, R. M. Whitnell, K. R. Wilson, and S. Mukamel, “Molecular control spectrometer,” in Ultrafast Phenomena VIII, J.-L. Martin, A. Migus, G. A. Mourou, and A. H. Zewail, eds. (Springer-Verlag, Berlin, 1993) pp. 8-12.
14. S. Bernet, B. Kohler, A. Rebane, A. Renn, and U. P. Wild, “Spectral hole burning and holography V. Asymmetric diffraction from thin holograms,” J. Opt. Soc. Am. B 9, 987 (1992).
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13. S. Bernet, B. Kohler, A. Rebane, A. Renn, and U. P. Wild, “Holography in frequency selective media II: Controlling the diffraction efficiency,” J. Lumin. 53, 215 (1992).
12. U. P. Wild, S. Bernet, B. Kohler, and A. Renn, “From supramolecular photochemistry to the molecular computer,” Pure & Appl. Chem. 64, 1335 (1992).
11. U. P. Wild, S. Bernet, B. Kohler, and A. Renn, “Molecular Computing,” Mol. Cryst. and Liq. Cryst. 216, 39 (1992).
10. B. Kohler and K. A. Nelson, “Femtosecond impulsive stimulated light scattering from carbon disulfide at high pressure: Experiment and computer simulation,” J. Phys. Chem. 96, 6532 (1992).
9. B. Kohler and K. A. Nelson, “Femtosecond molecular dynamics of liquid carbon disulphide at high pressure,” J. Phys. C.: Condensed Matter 2, SA109 (1990).
8. B. Kohler and K. A. Nelson, “Ultrafast molecular dynamics of liquid carbon disulfide observed at high pressure in a diamond anvil cell,” in Ultrafast Phenomena VII, C. B. Harris, E. P. Ippen, G. A. Mourou, and A. H. Zewail, eds. (Springer-Verlag, Berlin, 1990) 423.
7. B. Kohler and K. A. Nelson, “Intermolecular vibration observed in liquid CS2 at high pressure,” in Advances in Laser Science IV (AIP Conference Proceedings No. 191, New York, 1989) 330.
6. A. G. Joly, S. Ruhman, B. Kohler, and K. A. Nelson, “Phase-coherent molecular dynamics and phase-coherent chemistry: Observation and manipulation of elementary molecular motion and chemical change,” in Ultrafast Phenomena VI, T. Yajima, K. Yoshihara, C. B. Harris, and S. Shionoya, eds. (Springer Verlag, Berlin, 1988) 506.
5. S. Ruhman, B. Kohler, A. G. Joly, and K. A. Nelson, “Molecular dynamics in liquids from femtosecond time-resolved impulsive stimulated scattering,” IEEE J. Quantum Electron. QE-24, 470 (1988).
4. S. Ruhman, A. G. Joly, B. Kohler, L. R. Williams, and K. A. Nelson, “Intramolecular and intermolecular dynamics in molecular liquids through femtosecond time-resolved implusive stimulated scattering,” Rev. de Phys. Appl. 22, 1717 (1987).
3. S. Ruhman, B. Kohler, A. G. Joly, and K. A. Nelson, “Intermolecular vibrational motion in CS2 liquid at 165K < T < 300K observed by femtosecond time-resolved impulsive stimulated scattering,” Chem. Phys. Lett. 141, 16 (1987).
2. S. Ruhman, L. R. Williams, A. G. Joly, B. Kohler, and K. A. Nelson, “Nonrelaxational inertial motion in CS2 liquid observed by femtosecond time-resolved impulsive stimulated scattering,” J. Phys. Chem. 91, 2237 (1987).
1. B. E. Kohler, H.-D. Bauer, B. Kohler, W. Güttler, and M. Schwoerer, “Holographic method for determining the spatial extent of photochemistry: Room-temperature photopolymerization of diacetylene TS6,” Chem. Phys. Lett. 125, 251 (1986).