Associate Professor
                               Department of Chemistry
                                     Temple University


   
    Education:

    B.S., 1994, National and Kapodistrian University of  Athens, Greece;
    Ph.D., 2000, The Ohio State University;
    Postdoctoral fellow, 2000-2003, Johns Hopkins University.

    2005 NSF CAREER Award

 

    Research Interest:

   * Conical intersections and nonadiabatic effects
   * Photophysical behavior of DNA/RNA bases
   * QM/MM methodology for studying solvation in excited states
   * Understanding laser control of molecular dynamics

 

 

                                               

Department of Chemistry
Temple University
13th and Norris Streets
Philadelphia PA 19122

Voice: 215-204-7703 
Fax: 215-204-1532

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Publications by years

                                                   

<2018> <2017> <2016> <2015> <2014> <2013> <2012> <2011><2010> <2009> <2008> <2007> <2006> <2005> <2004 ><2003 & before>


2018
  1. "Role of charge transfer states into the formation of cyclobutane pyrimidine dimers in DNA", Wook Lee and Spiridoula Matsika, Faraday Discussions, accepted, (2018) DOI:https://doi.org/10.1039/C8FD00184G
  2. ``Intersystem crossing in the exit channel ", Hongwei Li, Alexander Kamasah, Spiridoula Matsika, Arthur G. Suits, Nature Chemistry, accepted, (2018) DOI:https://doi.org/10.1038/s41557-018-0186-5
  3. ``Strong and Weak-Field Ionization in Pump-Probe Spectroscopy", Spencer L. Horton, Yusong Liu, Pratip Chakraborty, Philipp Marquetand, Tamas Rozgonyi, Spiridoula Matsika, and Thomas Weinacht, Phys. Rev. A, 98, 053416, (2018) DOI:https://doi.org/10.1103/PhysRevA.98.053416
  4. "Introduction: Theoretical Modeling of Excited State Processes", Spiridoula Matsika and Anna Krylov, Chem. Rev. , 118, 6925-6926, (2018) DOI: 10.1021/acs.chemrev.8b00436
  5. "The Origin of Fluorescence in DNA Thio-Analogues", Tolga N. V. Karsili, Mushir Thodika, Linh Nguyen, Spiridoula Matsika Chem. Phys., accepted, (2018) DOI:https://doi.org/10.1016/j.chemphys.2018.08.049
  6. "Electron-induced origins of prebiotic sugars: self-reactions of methanol anion clusters", Tolga N.V. Karsili, Mark A. Fennimore, and Spiridoula Matsika, Phys. Chem. Chem. Phys., 20, 12599 - 12607, (2018) DOI: 10.1039/C8CP00148K
  7. “Electronic Resonances of Nucleobases Using Stabilization Methods”, Mark A. Fennimore, and Spiridoula Matsika, J. Phys. Chem. A, 122, 4048-4057, (2018) DOI: 10.1021/acs.jpca.8b01523
  8. “Quadruple coincidence measurement of electron correlation in strong field molecular double ionization”, Arthur Zhao, Chuan Cheng, Spiridoula Matsika and Thomas Weinacht, Phys. Rev. A, 97, 043412, (2018) DOI:10.1103/PhysRevA.97.043412
  9. "Photochemical Formation of Cyclobutane Pyrimidine Dimers in DNA through Electron Transfer from a Flanking Base", Wook Lee and Spiridoula Matsika, ChemPhysChem , Accepted, (2018) DOI:10.1002/cphc.201800151
  10. "Mechanistic insights into photoinduced damage of DNA and RNA nucleobases in the gas phase and in bulk solution", Pratip Chakraborty, Tolga N.V. Karsili, Barbara Marchetti, and Spiridoula Matsika, Faraday Discussions, 207, 329 - 350, (2018) DOI: 10.1039/C7FD00188F
  11. "Origins of Photodamage in Pheomelanin Constituents: Photochemistry of 4-Hydroxybenzothiazole", Tolga N.V. Karsili, Barbara Marchetti, and Spiridoula Matsika, J. Phys. Chem. A, 122, 1986-1993 (2018) DOI: 10.1021/acs.jpca.7b09690
  12. “Calculations of non-adiabatic couplings within equation-of-motion coupled-cluster framework: Theory, implementation, and validation against multi-reference methods”, Shirin Faraji, Spiridoula Matsika, and Anna I. Krylov, J. Chem. Phys, 148 , 044103, (2018) DOI:/10.1063/1.5009433
2017
  1. "Vibrationally Assisted Below Threshold Ionization", Spencer L. Horton, Yusong Liu, Pratip Chakraborty, Spiridoula Matsika, and Thomas Weinacht, Phys. Rev. A, 95, 063413, (2017) DOI: 10.1103/PhysRevA.00.003400
  2. "Mechanisms of H and CO Loss from the Uracil Anion Following Low Energy Electron Irradiation", Mark A. Fennimore, Tolga N. V. Karsili and Spiridoula Matsika, Phys.Chem.Chem.Phys., 19, 17233 - 17241, (2017) DOI: 10.1039/C7CP01345K
  3. "Controlling Photorelaxation in Uracil with Shaped Laser Pulses: A Theoretical Assessment", Keefer, Daniel; Thallmair, Sebastian; Matsika, Spiridoula; de Vivie-Riedle, Regina, J.Am. Chem. Soc., 139, 5061 - 5066, (2017) DOI: 10.1021/jacs.6b12033
  4. "Ultrafast Internal Conversion Dynamics of Highly Excited Pyrrole Studied with VUV/UV Pump Probe Spectroscopy'', Spencer L. Horton, Yusong Liu, Pratip Chakraborty, Spiridoula Matsika, and Thomas Weinacht, J. Chem. Phys., 146, 064306, (2017) DOI:10.1063/1.4975765
  5. "Substituent Effects on the Absorption and Fluorescence Properties of Anthracene", Salsabil Abou-Hatab, Vincent A. Spata, Spiridoula Matsika, J. Phys. Chem. A, 121, 1213-1222, (2017) DOI: 10.1021/acs.jpca.6b12031
  6. "Conformational and electronic effects on the formation of anti cyclobutane pyrimidine dimer in G-quadruplex structure", Wook Lee and Spiridoula Matsika, Phys. Chem. Chem. Phys. , 19, 3325-3336, (2017) DOI: 10.1039/C6CP05604K
2016
  1. "Core-Excited and Shape Resonance of Uracil", Mark A. Fennimore and Spiridoula Matsika, Phys.Chem.Chem.Phys., 18, 30536 - 30545, (2016) DOI: 10.1039/C6CP05342D
  2. “Coexistence of different electron transfer mechanisms in the DNA repair process by photolyase”, Wook Lee, Goutham Kodali, Robert J. Stanley, Spiridoula Matsika, Chemistry-A European Journal, 22, 11371-11381, (2016); DOI: 10.1002/chem.201600656
  3. "Photophysical Properties of Pyrrolocytosine, a Cytosine Fluorescent Base Analogue", Quynh Nguyen, Vincent A. Spata, Spiridoula Matsika, Phys.Chem.Chem.Phys., 18, 20189-20198, (2016); DOI:10.1039/C6CP01559J
  4. "Molecular Double Ionization Using Field Few Cycle Laser Pulses", Arthur Zhao, Peter Sandor, Vincent Tagliamonti, Thomas Weinacht, and Spiridoula Matsika, J. Phys. Chem. A , 120, 3233–3240, (2016); DOI: 10.1021/acs.jpca.5b11713
  5. "Correction to: Excited State Relaxation of Neutral and Basic 8-Oxoguanine (vol 119, pg 8293, 2015)",Zhen Lu, Ashley Beckstead, Bern Kohler, Spiridoula Matsika, J. Phys. Chem. B, 120, 597-597, (2016); DOI: 10.1021/acs.jpcb.6b00113
  6. "Excimers and Exciplexes in Photoinitiated Processes of Oligonucleotides", Vincent A. Spata, Wook Lee and Spiridoula Matsika, J. Phys. Chem. Lett., invited perspective, 7, 976-984, (2016); DOI: 10.1021/acs.jpclett.5b02756
  7. "Surface hopping investigation of the relaxation dynamics in radical cations", Mariana Assmann, Thomas Weinacht, and Spiridoula Matsika, J. Chem. Phys., 144, 034301 (2016); DOI: 10.1063/1.4939842
2015
  1. “Photophysical Deactivation Pathways in Adenine Oligonucleotides”, Vincent A. Spata and Spiridoula Matsika, Phys.Chem.Chem.Phys., 17, 31073 (2015); doi: 10.1039/c5cp04254b
  2. “Controlling the Dissociation Dynamics of Acetophenone Radical Cation Through Excitation of Ground and Excited State Wavepackets”, Moore Tibbetts, Katherine; Tarazkar, Maryam; Bohinski, Timothy; Romanov, Dmitri; Matsika, Spiridoula; Levis, Robert; Journal of Physics B: Atomic, Molecular and Optical Physics, 48, 164002, (2015) doi: 10.1088/0953-4075/48/16/164002
  3. “Excited state relaxation of neutral and basic 8-Oxoguanine”, Zhen Lu, Ashley Beckstead, Bern Kohler, Spiridoula Matsika, J. Phys. Chem. B, 119, 8293 - 8301, (2015); doi: 10.1021/acs.jpcb.5b03565
  4. "QM/MM studies reveal pathways leading to the quenching of the formation of thymine dimer photoproduct by flanking bases", Wook Lee and Spiridoula Matsika, PCCP, 17, 9927-9935, (2015)  doi: 10.1039/c5cp00292c
  5. "Photoelectron spectrum and dynamics of the uracil cation", Mariana Assmann, Horst Köppel and Spiridoula Matsika, J. Phys. Chem. A, 119, 866-875, (2015)  DOI: 10.1021/jp512221x
  6. "Modi ed Nucleobases", S. Matsika, "Topics in Current Chemistry - Photoinduced Phenomena in Nucleic Acids"  355, 209-243, (2015) (DOI:10.1007/128 2014 532)
2014
  1. Strong Field Adiabatic Ionization Prepares a Launch State for Coherent Control", Timothy Bohinski; Katharine Moore Tibbetts; Maryam Tarazkar; Dmitri Romanov; Spiridoula Matsika; Robert Levis, J. Phys. Chem. Lett., 5, 4305-4309, (2014)  DOI: 10.1021/jz502313f
  2. Tribute to David R. Yarkony", Spiridoula Matsika, Henry F. Schaefer, III, and Michael S. Schuurman, J. Phys. Chem. A, 118, 11837-11837, (2014) DOI: 10.1021/jp512064b
  3. "What We Can Learn from the Norms of One-particle Density Matrices, and What We Can't", Matsika, Spiridoula; Feng, Xintian; Luzanov, Anatoly; Krylov, Anna, J. Phys. Chem. A, 118, 11943-11955, (2014), DOI: 10.1021/jp506090g
  4. "Role of Excitonic Coupling and Charge-Transfer States in the Absorption and CD Spectra of Adenine-Based Oligonucleotides Investigated through QM/MM Simulations", Vincent Spata, Spiridoula Matsika,  J. Phys. Chem. A, 118, 12021-12030, (2014), DOI:10.1021/jp507520c
  5. "Theoretical Studies of the Excited States of p-Cyanophenylalanine and Comparisons with the Natural Amino Acids Phenylalanine and Tyrosine", Stephen Meloni and Spiridoula Matsika; Theoretical Chemistry Accounts, 133, 1497, (2014)  DOI: 10.1007/s00214-014-1497-2
  6. "Radical Cation Spectroscopy of Substituted Alkyl Phenyl Ketones via Tunnel Ionization", Timothy Bohinski; Katharine Moore Tibbetts; Kristin Munkerup; Maryam Tarazkar; Dmitri Romanov; Spiridoula Matsika; Robert Levis, Chemical Physics, 442, 81-85, (2014) doi:10.1016/j.chemphys.2014.05.019
2013

  1. "Ultrafast Excited-State Dynamics and Vibrational Cooling of 8-oxo-7,8-dihydro-2-deoxyguanosine in D2O", Zhang, Yuyuan; Dood, Jordan; Beckstead, Ashley; Chen, Jinquan; Li, Xibo; Burrows, Cynthia; Lu, Zhen; Matsika, Spiridoula; Kohler, Bern, J. Phys. Chem. A, 117, 12851-12857, (2013) DOI: 10.1021/jp4095529
  2. "Measurement of Ionic Resonances in Alkyl Phenyl Ketone Cations via Infrared Strong Field Mass Spectrometry", Bohinski, Tim; Moore Tibbetts, Katharine; Tarazkar, Maryam; Romanov, Dmitri; Matsika, Spiridoula; Levis, Robert, J. Phys. Chem. A, 117, 12374 - 12381, (2013) DOI: 10.1021/jp4089047
  3. "Ultrafast Relaxation Dynamics of Uracil Probed via Strong Field Dissociative Ionization", S. Matsika, M. Spanner, M. Kotur, and T. Weinacht, J. Phys. Chem. A, 117, 12796 - 12801, (2013) DOI: 10.1021/jp408073d
  4. "Excited-State Tautomerization of Gas-Phase Cytosine", C. G. Trianda fillou and S. Matsika, J. Phys. Chem. A, 117, 12165-12174, (2013) DOI: 10.1021/jp407758w
  5. "Dissociative electron attachment to carbon dioxide via the 2Piu shape resonance", A. Moradmand, D. S. Slaughter, D. J. Haxton, T. N. Rescigno, C. W. McCurdy, T. Weber, S. Matsika, A. L. Landers, A. Belkacem, and M. Fogle,  Phys. Rev. A, 88, 032703, (2013) DOI:10.1103/PhysRevA.88.032703
  6. "Bonded Excimer Formation in pi-Stacked Adenine Dimers", Vincent A. Spata and Spiridoula Matsika, J. Phys. Chem. A, 117, 8718-8728, (2013) DOI: 10.1021/jp4033194
  7. "Measurement of an Electronic Resonance in Ground State, Gas Phase Acetophenone Cation via Strong Field Mass Spectrometry", Timothy Bohinski, Katharine Moore Tibbetts, Maryam Tarazkar, Dmitri Romanov, Spiridoula Matsika, Robert J. Levis, J. Phys. Chem. Lett., 4, 1587-1591, (2013) doi: 10.1021/jz400516h
  8. "High-Multiplicity Natural Orbitals in Multireference Configuration Interaction for Excited State Potential Energy Surfaces", Zhen Lu and Spiridoula Matsika, J. Phys. Chem. A, 117, 7421-7430, (2013) DOI: 10.1021/jp401444c
  9. "Exciplexes and conical intersections lead to fluorescence quenching in pi-stacked dimers of 2-aminopurine with nucleobases", J.X. Liang, Q. Nguyen and S. Matsika,Photochemical & Photobiological Sciences, 12, 1387-1400, (2013) DOI: 10.1039/C3PP25449F
  10. "Contrasting Photophysical Behaviors of Star-shaped vs Linear Chromophores", C. M. Pochas, K.A. Kistler, H. Yamagata, S. Matsika and F.C. Spano, J. Amer. Chem. Soc., 135, 3056-3066, (2013) doi:10.1021/ja3087449
  11. "A benchmark of excitonic couplings derived from atomic transition charges", K. A. Kistler, F.C.Spano and S. Matsika, J. Phys. Chem. B, 117, 2032-2044, (2013)  doi:10.1021/jp310603z
  12. "Angle-Resolved Strong Field Ionization of Polyatomic Molecules: More than the Orbitals Matters", Oumarou Njoya, Spiridoula Matsika and Thomas Weinacht, ChemPhysChem, 14, 1451-1455, (2013) doi:10.1002/cphc.201201045
  13. "Ultrafast Excited State Dynamics of Allopurinol, a Modified DNA Base", Juan P. Villabona-Monsalve, Rosa E. Islas, William Rodriguez-Cordoba, Spiridoula Matsika and Jorge Peon, J. Phys. Chem. A, 117, 898-890, (2013)  doi:10.1021/jp3107815

2012
  1. "Neutral Ionic Correlations in Strong Field Molecular Ionization", M. Kotur, C. Zhou, S. Matsika, S.Patchkovskii, M. Spanner, and T. C. Weinacht, Phys. Rev. Lett., 109, 203007, (2012) doi:10.1103/PhysRevLett.109.203007
  2. "Dyson norms in XUV and strong-field ionization of polyatomics: Cytosine and uracil", Michael Spanner, Serguei Patchkovskii, Congyi Zhou, Spiridoula Matsika, Marija Kotur, and Thomas C. Weinacht, Phys. Rev. A, 86, 053406, (2012) doi:10.1103/PhysRevA.86.053406
  3. "Fragmentation Pathways in the Uracil Radical Cation", C. Zhou, S. Matsika, M. Kotur and T.Weinacht, J. Phys. Chem. A, 116, 9217-9227, (2012) doi:10.1021/jp209213e
  4. "Pathways for fluorescence quenching in 2-aminopurine Ï€-stacked with pyrimidine nucleobases (vol 133, pg 6799, 2011)", J.X. Liang and S. Matsika, J. Amer. Chem. Soc., 134, 10713 - 10714, (2012) (correction) doi:10.1021/ja303361z
  5. "Two Dimensional Fourier-Transform Spectroscopy of Adenine and Uracil Using Shaped Ultrafast Laser Pulses in the Deep UV", C. Tseng, P. Sandor, M. Kotur, T. C. Weinacht and S. Matsika, J. Phys. Chem. A, 116, 2654, (2012) doi:10.1021/jp207228b
  6. "The influence of excited state topology on wavepacket delocalization in the relaxation of photoexcited polyatomic molecules", P. Krause, S. Matsika, M. Kotur and T. Weinacht, J. Chem. Phys., 137, 22A537, (2012) doi:10.1063/1.4748580
  7. "On the Accessibility to Conical Intersections in Purines: Hypoxanthine and its Singly Protonated and Deprotonated Forms”, Peon, Jorge and Villabona-Monsalve, Juan and Noria, Raquel; Matsika, Spiridoula J. Am. Chem. Soc., 134, 7820 - 7829. (2012) doi:10.1021/ja300546x
  8. "High-multiplicity natural orbitals in multireference configuration interaction for excited states", Z. Lu and S. Matsika, J. Chem. Theory Comput., 8, 509-517, (2012) doi:10.1021/ct200832u
  9. "Absorption, Circular Dichroism and Photoluminescence in Perylene Diimide Bichromophores: Polarization Dependent H- and J-aggregate Behavior", K. A. Kistler, C. M. Pochas, H. Yamagata, S. Matsika and F.C. Spano, J. Phys. Chem. B, 116, 77 - 86, (2012) doi:10.1021/jp208794t
  10. "Nuclear Dynamics on a Three-state Jahn-Teller Model System", P. Krause and S. Matsika, J. Chem. Phys., 136, 034110 (2012) doi:10.1063/1.3677273
  11. "Following Ultrafast Radiationless Relaxation Dynamics With Strong Field Dissociative Ionization: A Comparison Between Adenine, Uracil, and Cytosine", M. Kotur, T. Weinacht, C. Zhou, and S. Matsika, IEEE Journal of selected topics in Quantum Electronics, 18, 187-194, (2012) doi:10.1109/JSTQE.2011.2107892
2011
  1. "Three-state conical intersections", S. Matsika, Chapter in "Conical Intersections: Theory, Computation and Experiment", Advanced Series in Physical Chemistry - Vol 17, 83-116, World Scientific Publishing Company,  2011
  2. "Strong Field Molecular Ionization from Multiple Orbitals", M. Kotur, T. Weinacht, C. Zhou and S. Matsika, Phys. Rev. X, 1, 021010, (2011) doi:10.1103/PhysRevX.1.021010
  3. "Combining dissociative ionization pump probe spectroscopy and ab initio calculations to explore excited state dynamics involving conical intersections", S. Matsika, C. Zhou, M. Kotur and T. Weinacht, Faraday Discussions, 153, 247 - 260, (2011) doi:10.1039/C1FD00044F
  4. "Distinguishing Between Relaxation Pathways by Combining Dissociative Ionization Pump Probe Spectroscopy and ab initio Calculations: A Case Study of Cytosine ", M. Kotur, T. Weinacht, C. Zhou, K. A. Kistler, and S. Matsika, J. Chem. Phys., 134, 184309, (2011) doi:10.1063/1.3586812
  5. "Pathways for fluorescence quenching in 2-aminopurine pi-stacked with pyrimidine nucleobases", J.X. Liang and S. Matsika, J. Amer. Chem. Soc., 133 , 6799-6808, (2011)doi:10.1021/ja2007998
  6. "Nonadiabatic Events and Conical Intersections", S. Matsika and P. Krause, Annu. Rev. Phys. Chem., 62, 621 - 643, (2011) doi:10.1146/annurev-physchem-032210-103450

2010

  1. "Photophysical pathways of cytosine in aqueous solution", K. A. Kistler and S. Matsika, Phys. Chem. Chem. Phys., 12, 5024-5031, (2010) doi:10.1039/b926125g
  2. "Excited State Energies and Electronic Couplings of DNA Base Dimers", C. R. Kozak, K. A. Kistler, Z. Lu and S. Matsika, J. Phys. Chem. B, 114, 1674 - 1683, (2010) doi:10.1021/jp9072697
  3. "Change in Electronic Structure upon Optical Excitation of 8-Vinyladenosine: An Experimental and Theoretical Study", R. Stanley, G. Kodali, K. A. Kistler, M. Narayanan and S. Matsika, J. Phys. Chem. A, 114, 256 - 267, (2010) doi:10.1021/jp908055h



2009

  1. "Solvatochromic Shifts of Uracil and Cytosine Using a Combined Multireference Configuration Interaction/ Molecular Dynamics Approach and the Fragment Molecular Orbital Method'', K. A. Kistler and S. Matsika, J. Phys. Chem. A, 113, 12396 - 12403, (2009) doi:10.1021/jp901601u
  2. "Two-Dimensional Ultrafast Fourier Transform Spectroscopy in the Deep Ultraviolet", C. H. Tseng, S. Matsika and T. C. Weinacht, Optics Express,17, 18788-18793, (2009)
  3. "Closed-Loop Learning Control of Isomerization using Shaped Ultrafast Laser Pulses in the Deep Ultraviolet'', M. Kotur, T. Weinacht, B. J. Pearson and S. Matsika J. Chem. Phys., 130, 134311, (2009) doi:10.1063/1.3103486
  4. "State-resolved distribution of OH X 2 Pi products arising from electronic quenching of OH A2 Sigma by N2 ", Logan P. Dempsey, Timothy D. Sechler, Craig Murray, Marsha Lester, and Spiridoula Matsika J. Chem. Phys., 130, 104307, (2009) doi:10.1063/1.3077027
  5. "Quantum Mechanical Studies of the Photophysics of DNA and RNA Bases", K. A. Kistler and S. Matsika, a chapter for "Multi-scale Quantum Models for Biocatalysis: Modern Techniques and Applications" in the series CHALLENGES AND ADVANCES IN COMPUTATIONAL CHEMISTRY AND PHYSICS, guest eds. Tai-Sung Lee and Darrin M. York, series editor Jerzy Leszcynski, Vol. 7, Chapter 11, p.285, (2009)


2008

  1. "An Ab Initio Study of Substituent Effects on the Excited States of Purine Derivatives", E. Mburu and S. Matsika, J. Phys. Chem. A, 112, 12485-12491, (2008) doi:10.1021/jp807145c
  2. "On the Electronically Excited States of Uracil", E. Epifanovsky, K. Kowalski, P.-D. Fang, M. Valiev, S. Matsika, A. I. Krylov, J. Phys. Chem. A, 112, 9983-9992, (2008) doi:10.1021/jp803758q
  3. "Three-State Conical Intersections in Cytosine and Pyrimidinone Bases", K. A. Kistler and S. Matsika, J. Chem. Phys., 128, 215102, (2008) doi:10.1063/1.2932102
  4. "Interpreting Ultrafast Molecular Fragmentation Dynamics with ab initio Calculations", C. Trallero, B. J. Pearson, T. Weinacht, K. Gilliard and S. Matsika, J. Chem. Phys., 128, 124107, (2008) doi:10.1063/1.2850524
  5. "Two and three state conical intersections in uracil cation radical", S. Matsika, Chem. Phys., 349,356-362, (2008) (invited article for the special issue in honor of H. Lischka) doi:10.1016/j.chemphys.2008.02.027
  6. "2-Aminopurine Excited State Electronic Structure Measure by Stark Spectroscopy", G. Kodali, K. A. Kistler, S. Matsika and R. J. Stanley, J. Chem. Phys. B, 112, 1789-1795, (2008) doi:http://dx.doi.org/10.1021/jp076374x
  7. "Excited Electronic States and Photophysics of Uracil-Water Complexes", A. Yoshikawa and S. Matsika, Chem. Phys., 347, 393-404, (2008) (invited article for the special issue in honor of W. Domcke) doi:10.1016/j.chemphys.2007.09.059



2007

  1. "Inclusion of Second-order Correlation Effects for the Ground and Singly Excited States Suitable for the Study of Conical Intersections: the CIS(2) Model", Chem. Phys. Lett., D. Laikov and S. Matsika, 448,132-137, (2007) doi:10.1016/j.cplett.2007.09.051
  2. "Cytosine in Context: A Theoretical Study of Substituent Effects on the Excitation Energies of 2-Pyrimidinone Derivatives'', K. A. Kistler and S. Matsika, J. Phys. Chem. A , 111, 8708-8716, (2007) doi:10.1021/jp074361d
  3. "6MAP, a fluorescent adenine analogue, is a probe of base flipping by DNA photolyase'', K. Yang, S. Matsika and R. J. Stanley, J. Phys. Chem. B, 111,  10615-10625  10615-10625 , (2007) doi:10.1021/jp071035p
  4. "Radiationless Decay Mechanism of Cytosine: An Ab Initio Study with Comparisons to the Fluorescent Analogue 5-Methyl-2-Pyrimidinone", K. A. Kistler and S. Matsika, J. Phys. Chem. A, 111, 2650-2661, (2007) doi:10.1021/jp0663661
  5. "The Fluorescence Mechanism of 5-Methyl-2-Pyrimidinone: An Ab Initio Study of a Fluorescent Pyrimidine Analog", K. A. Kistler and S. Matsika, Photochemistry and Photobiology , 83, 611-624,, (2007) doi:10.1562/2006-04-03-RA-866
  6. "Conical intersections in Molecular Systems'', S. Matsika, Rev. Comp. Chem. 23 , 83, (2007)



2006

  1. "A Combined Multireference Configuration Interaction/Molecular Dynamics Approach for Calculating Solvatochromic Shifts: Application to the nO -> pi* Electronic Transition in Formaldehyde", Z. Xu and S. Matsika, J. Phys. Chem. A, 110, 12035-12043, (2006) doi:10.1021/jp064520d



2005

  1. "Excited Electronic States of the Cyclic Isomers of O3 and SO2", R. Elliot, R. Compton, R. J. Levis, and S. Matsika, J. Phys. Chem. A, 109, 11304 - 11311, (2005) doi:10.1021/jp054455s
  2. "Three-state Conical Intersections in Nucleic Acid Bases " , J. Phys. Chem. A., S. Matsika , 109, 7538-7545, (2005). doi:10.1021/jp0513622



2004

  1. "Radiationless Decay of Excited States of Uracil through Conical Intersections " , J. Phys. Chem. A., S. Matsika , 108, 7584-7590, (2004). doi:10.1021/jp048284n
  2. "Quantitative Detection of Singlet O2 via Cavity Enhanced Absorption" , Optics Letters ., S. Williams, M. Gupta, T. Owano, D. S. Baer, A. O'Keefe, D. R. Yarkony and S. Matsika , 29, 1066-1068, (2004).


2003 & before

  1. "Conical Intersections of Three Electronic States Affect the Ground State of Radical Species with Little or No Symmetry: Pyrazolyl" , J. Amer. Chem. Soc., S. Matsika and D. R. Yarkony, 125, 12428-12429, (2003).
  2. "Beyond Two-State Conical Intersections. Three-State Conical Intersections in Low Symmetry Molecules: the Allyl Radical ", J. Amer. Chem. Soc., S.Matsika and D.R.Yarkony, 125, 10672-10676, (2003).
  3. "Photodissociation of the Vinoxy Radical through Conical, and Avoided, Intersections'', S. Matsika and D. R. Yarkony, J. Chem. Phys., 117, 7198-7206, (2002).
  4. "Accidental Conical Intersections of Three States of the Same Symmetry. I. Location and Relevance'', S. Matsika and D. R. Yarkony, J. Chem. Phys., 117, 6907-6910, (2002).
  5. "Spin-Orbit Coupling and Conical Intersections . IV. A Perturbative Determination of the Electronic Energies, Derivative Couplings and a Rigorous Diabatic Representation near a Conical Intersection. The General Case", S. Matsika and D. R. Yarkony, J. Phys. Chem. B, 106, 8108-8116, (2002).
  6. "Conical Intersections and the Nonadiabatic Reactions H2O+O(3P ) -> OH(A )+OH(X )", S. Matsika and D. R. Yarkony, J. Chem. Phys., 117, 3733-3740, (2002).
  7. "Conical Intersections and the Spin-Orbit Interaction", S. Matsika and D. R. Yarkony, The Role of Degenerate States in Chemistry: A Special Volume of Advances in Chemical Physics, 124, 557-581, (2002).
  8. "Intersecting Conical Intersection Seams: their Location, Representation, and Effect on Local Topography", S. Matsika and D. R. Yarkony, J. Phys. Chem. A, 106, 2580-2591, (2002).
  9. "Spin-Orbit Coupling and Conical Intersections in Molecules with an Odd Number of Electrons. III. A Perturbative Determination of the Electronic Energies, Derivative Couplings and a Rigorous Diabatic Representation near a Conical Intersection", S. Matsika and D. R. Yarkony, J. Chem. Phys., 116, 2825-2835, (2002).
  10. "On the Effects of Spin-Orbit Coupling on Conical Intersection Seams in Molecules with an Odd Number of Electrons. II. Characterizing the Local Topography of the Seam", S. Matsika and D. R. Yarkony, J. Chem. Phys., 115, 5066-5075, (2001).
  11. "On the Effects of Spin-Orbit Coupling on Conical Intersection Seams in Molecules with an Odd Number of Electrons. I. Locating the Seam", S. Matsika and D. R. Yarkony, J. Chem. Phys., 115, 2038-2050, (2001).
  12. "Electronic Structure and Spectra of Actinyl Ions", S. Matsika, Z. Zhang, S. R. Brozell, J.-P. Blaudeau, Q. Wang, and R. M. Pitzer, J. Phys. Chem. A, 105, 3825-3828, (2001).
  13. "Actinyl Ions in Cs2UO2Cl4 ", S. Matsika and R. M. Pitzer, J. Phys. Chem. A, 105, 637-645, (2001).
  14. "Intensities in the Spectra of Actinyl Ions", S. Matsika, R. M. Pitzer and D. T. Reed, J. Phys. Chem. A, 104, 11983-11992, (2000).
  15. "The Electronic Spectrum of the NpO22+ and NpO2+ Ions", S. Matsika and R. M. Pitzer, J. Phys. Chem. A, 104, 4064-4068, (2000).
  16. "Atomic Orbital Basis Sets for Use with Effective Core Potentials", J.-P. Blaudeau, S. R. Brozell, S. Matsika, Z. Zhang and R. M. Pitzer, Int. J. Quantum Chem., 77, 516-520, (2000).
  17. "Spin-Orbit Splittings in Mg+-Neutral Complexes", S. Matsika and R. M. Pitzer, J. Phys. Chem. A, 102, 1652-1656, (1998).
  18. "Ab Initio Study of the Ground and Several Excited States of the NLi System", S. Matsika, A. Papakondylis and A. Mavridis, Chem. Phys. Lett., 250, 409-414, (1996).

  

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