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C. Skorski,
Administrative Assistant
Dept. of Chemistry
Brock University
500 Glenridge Ave.
St. Catharines, ON
Canada, L2S 3A1
Tel: (905) 688-5550 x3406
Fax: (905) 682-9020
E-mail: cskorski@brocku.ca


Art van der Est: Publications

  1. N. Srinivasan, S. Santabarbara, F. Rappaport, D. Carbonera, K. Redding, A. van der Est and J.H. Golbeck (2011) Alteration of the H-Bond to the A1A Phylloquinone in Photosystem I: Influence on the Kinetics and Energetics of Electron Transfer J. Phys. Chem. B 115, 1751-1759

  2. Yu. Kandrashkin and A. van der Est (2011) Stimulated Electron Spin Polarization in Strongly Coupled Triplet-Doublet Spin Pairs Appl. Magn. Reson. 40,189-204

  3. P.K. Poddutoori, A.S.D. Sandanayaka, N. Zarrabi, T. Hasobe, O. Ito, A. van der Est (2011) Sequential Charge Separation in Two Axially Linked Phenothiazine-Aluminum(III) Porphyrin-Fullerene Triads J. Phys. Chem. A 115, 709-717

  4. D.V. Gutsulyak, A. van der Est and G.I. Nikonov (2011) Facile Catalytic Hydrosilylation of Pyridines Angew. Chem. 50, 1384-1387

  5. D.M. Spasyuk, S.I. Gorelsky, A. van der Est and D. Zargarian (2011) Characterization of Divalent and Trivalent Species Generated in the Chemical and Electrochemical Oxidation of a Dimeric Pincer Complex of Nickel Inorg. Chem. 50, 2661-2674

  6. P.K. Poddutoori, A. Dion, S. Yang, M. Pilkington, J.D. Wallis, A. van der Est (2010) Light-induced hole transfer in a hypervalent phosphorus(V) octaethylporphyrin bearing an axially linked bis(ethylenedithio)tetrathiafulvalene J. Porph. Phthal. 14, 178-187

  7. P.K. Poddutoori, A.S. D. Sandanayaka, T. Hasobe, O. Ito, A. van der Est (2010) Photoinduced Charge Separation in a Ferrocene-Aluminum(III) Porphyrin-Fullerene Supramolecular Triad J. Phys. Chem B 114, 14348-14357

  8. P.K. Poddutoori, M. Pilkington, A. Alberola, V. Polo, J.E. Warren, A. van der Est (2010) Spin-Spin Interactions in Porphyrin-Based Monoverdazyl Radical Hybrid Spin Systems Inorg. Chem. 49 3516-3524

  9. A. van der Est, S. Chirico, I. Karyagina, R. Cohen, G. Shen, J. H. Golbeck (2010) Alteration of the Axial Met Ligand to Electron Acceptor A0 in Photosystem I: An Investigation of Electron Transfer at Different Temperatures by Multifrequency Time Resolved and CW EPR Appl. Magn. Res. 37 103-121

  10. A. van der Est, Yu. Pushkar, I. Karyagina, B. Fonovic, T. Dudding, J. Niklas, W. Lubitz and J.H. Golbeck (2010) Incorporation of 2,3-Disubstituted-1,4-naphthoquinones into the A1 Binding Site of Photosystem I Studied by EPR and ENDOR Spectroscopy Appl. Magn. Res. 37 65-83

  11. D. Spasyuk, D. Zargarian, A. van der Est (2009) New POCN-Type Pincer Complexes of Ni(II) and Ni(III) Organometallics 28 6531-6540

  12. N. Srinivasan, I. Karyagina, R. Bittl, A. van der Est, and J.H. Golbeck (2009) Role of the Hydrogen Bond from Leu722 to the A1A Phylloquinone in Photosystem I Biochemistry 48 3315-3324

  13. A. van der Est (2009) Transient EPR: Using Spin Polarization in Sequential Radical Pairs to Study Electron Transfer in Photosynthesis Photosynth. Res. 102 335-347

  14. S. Li, A. van der Est, N. Bunce (2009) Electrochemical oxidation of oxalate ion in the presence of fluoride ion, and radical analysis by ESR Elec. Chim. Acta 54 3589-3593

  15. R. Agalarov, M. Byrdin, F. Rappaport, G. Shen, D. Bryant, A. van der Est and J.H. Golbeck (2008) Removal of the PsaF Polypeptide Biases Electron Transfer in Favor of the PsaB Branch of Cofactors in Triton X-100 Photosystem I Complexes from Synechococcus sp. PCC 7002 Photochem. Photobiol. 84 1371-1380

  16. P.K. Poddutoori, P. Poddutoori, B.G. Maiya, T.K. Prasad, Yu. Kandrashkin, S. Vasil'ev, D. Bruce and A. van der Est (2008) Redox control of photo-induced electron transfer in axial terpyridoxy porphyrin complexes Inor. Chem. 47 7512-7522

  17. I. Karyagina, Yu. Pushkar, D. Stehlik, A. van der Est, H. Ishikita, E. Knapp, B. Jagannathan, R. Agalarov, and J. Golbeck (2007) Contributions of the Distant Protein Environment to the Redox Potentials of the Electron Acceptor A1 Phylloquinones and the FX Iron-Sulfur Cluster in Photosystem I Biochemistry 46 10804-10816

  18. M. Chahma, K. Macnamara, A. van der Est, A. Alberola, V. Polo and M. Pilkington(2007) Synthesis and characterization of a TTF--verdazyl radical; a new building block for conducting and/or magnetic systems New J. Chem.31, 1973-1978.

  19. Yu. E. Kandrashkin and A. van der Est(2007) Time Resolved EPR of Photosynthetic Reaction Centres: from Theory to Experiment Appl. Magn. Res.31, 105-122. pdf file

  20. Yu. E. Kandrashkin, M. S. Asano and A. van der Est(2006) Light-induced Electron Spin Polarization in Vanadyl Octaethylporphyrin: I. Characterization of the Excited Quartet State J. Phys. Chem. A. 110, 9607-9616. pdf file

  21. Yu. E. Kandrashkin, M. S. Asano and A. van der Est (2006) Light-induced Electron Spin Polarization in Vanadyl Octaethylporphyrin: II Dynamics of the Excited States J. Phys. Chem. A. 110, 9617-9626 pdf file

  22. Y. Li, A. van der Est, M.G. Lucas, V. M. Ramesh, F. Gu, A. Petrenko, S. Lin, A.N. Webber, F. Rappaport, and K. Redding (2006) Directing electron transfer within Photosystem I by breaking H-bonds in the cofactor branches Proc. Natl. Acad. Sci. USA (2006) 103, 2144-2149. pdf file

  23. M. Chahma, M. Pilkington, X. Wang and A. van der Est (2006) Synthesis and Characterization of a New Family of Spin Bearing TTF Ligands J. Org. Chem.  71, 2750-2755 pdf file

  24. Yu. E. Kandrashkin, M. S. Asano and A. van der Est (2006) Observation of a photoexcited state of a paramagnetic transition metal complex by time-resolved electron paramagnetic resonance spectroscopy Phys. Chem. Chem. Phys.  8, 2129-2132.pdf file

  25. Yu. N. Pushkar, I. Karyagina, D. Stehlik, S. Brown and A. van der Est Recruitment of a Foreign Quinone into the A1 Site of Photosystem I: Consecutive Forward Electron Transfer From A0 to A1 to Fx with Anthraquinone in the A1 site as studied by transient EPR. J. Biol. Chem. (2005), 280, 12382-12390. pdf file

  26. Yu. Kandrashkin and A. van der Est (2004) Electron spin polarization of the excited quartet state of strongly coupled triplet--doublet spin systems J. Chem. Phys. 120, 4790-4799 pdf file

  27. R. Cohen, G. Shen, J. H. Golbeck, W. Xu, P. Chitnis, A. Valieva, A. van der Est, J. Pushkar, D. Stehlik and P. Steinbach (2004) Evidence for Asymmetric Electron Transfer in Cyanobacterial Photosystem I: Analysis of a Methionine-to-Leucine Mutation of the Ligand to the Primary Electron Acceptor A0. Biochemistry 43, 4741-4754 pdf file

  28. A. van der Est, A. Valieva, Yu. E. Kandrashkin, G. Shen, D. Bryant and J. Golbeck  (2004)  Removal of PsaF Alters Forward Electron Transfer in Photosystem I: Evidence for Fast Reoxidation of QK-A in Subunit Deletion Mutants of Synechococcus sp. PCC 7002 Biochemistry 43, 1264-1275 pdf file

  29. V. Rozenshtein, A. Berg, H. Levanon, U. Krueger, D. Stehlik, Y. Kandrashkin and A. van der Est (2003) Observation of Photoinduced Electron Spin Polarization in the Ground State of Copper Porphyrins Israel J. Chem 43, 373-381.pdf file

  30. Yu. Kandrashkin and A. van der Est, (2003) Light-Induced Electron Spin Polarization in Rigidly Linked, Strongly Coupled Triplet-Doublet Spin Pairs Chem. Phys. Lett. 379 574-580.pdf file

  31. Xu, W., Chitnis, P., Valieva, A., van der Est, A., Pushkar, J., Krzystyniak, M., Teutloff, C.,  Zech, S., Bittl, R., Stehlik, D., Zybailov, B., Shen, G., Golbeck, J. (2003) Electron Transfer in Cyanobacterial Photosystem I. I. Physiological and Spectroscopic Characterization of Site-Directed Mutants in a Putative Electron Transfer Pathway from A0 through A1 to FX, J. Biol. Chem. 278, 27876 - 27887

  32. Xu, W., Chitnis, P., Valieva, A., van der Est, A., Brettel, K., Guergova-Kuras, M., Pushkar, J., Zech, S.,  Stehlik, D., Shen, G., Zybailov, B., Golbeck, J. (2003) Electron Transfer in Cyano-bacterial Photosystem I.II Determination of Forward Electron Transfer Rates of Site-Directed Mutants in a Putative Electron Transfer Pathway from A0 through A1 to FX, J. Biol Chem. 278, 27864 - 27875

  33. J. Pushkar, S.G. Zech, D. Stehlik, S. Brown and A.van der Est, H. Zimmermann (2002) Orientation and protein-cofactor interactions of monosubstituted n-alkyl naphthoquinones in the A1 binding site of Photosystem I,  J. Phys. Chem B 106, 12052-12058.

  34. A. van der Est, M. Asano-Someda, P. Ragogna, Y. Kaizu (2002) Light-induced Electron Spin Polarization of a Weakly Coupled Triplet-Doublet Spin Pair in a Covalently Linked Porphyrin Dimer, J. Phys. Chem. A 106,8531-8542. 

  35. Shen, G. Antonkine, M., van der Est, A., Vassiliev, I., Stehlik, D., Golbeck, J., and Bryant, D.(2002) Cloning and Mutagenesis of a New Gene Encoding a Rubredoxing-s Protein in the Cyanobacterium Synechococcus sp. PCC 7002: A Possible Function in the Assembly of three Fe-S Clusters in Photosystem I. J. Biol. Chem 277 20355-20366

  36. Kandrashkin, Yu., Vollmann, W., Stehlik, D., Salikhov, K., and van der Est, A. (2002) The Magnetic Field Dependence of the Electron Spin Polarization in Consecutive Spin-Correlated Radical Pairs in Type I Photosynthetic Reaction Centres  Mol. Phys. 100,  1431 - 1443
  37. Sakuagi, Y, Zybailov, B., Shen, G., Chitnis, P., van der Est, A., Bittl, R., Zech, S., Stehlik, D., Golbeck, J. and Bryant, D.(2002) Interruption of the menG Gene in the Phylloquinone Biosynthetic Pathway of Synechocystis sp. PCC 6803. Alteration of the Equilibrium Constant between A1 and FX by Incorporation of 2-Phytyl-1,4-Naphthoquinone into Photosystem I Biochemistry 41(1); 394-405.

  38. Kandrashkin, Yu. and van der Est, A., (2002) Electron Spin Polarization in Photosynthetic Reaction Centres: Strategies for Extracting Structural and Functional Information, RIKEN Review, 44, 124-127.

  39. van der Est, A. (2001) Light-Induced Spin Polarization in Type I Photosynthetic Reaction Centres Biochim. Biophys. Acta 1507, 212-225.

  40. Kandrashkin, Yu., and van der Est, A. (2001) A New Approach to Determining the Geometry of Weakly Coupled Radical Pairs from their Electron Spin Polarization Patterns Spectrochim. Acta A 57, 1697-1709.

  41. Semenov, A., Vassiliev, I., van der Est, A., Mamedov, M., Zybailov, B., Shen, G., Stehlik, D., Diner, B., Chitnis, P., and Golbeck, J. (2000) Recruitment of a Foreign Quinone into the A1 Site of Photosystem I. III. Altered Electron Transfer Kinetics in Phylloquinone Biosynthetic Pathway Mutants Studied by Time Resolved Optical, EPR, and Electrometric Techniques J. Biol. Chem. 275 23429-23438.

  42. Zybailov, B., van der Est, A., Zech, S., Teutloff, C., Johnson, W., Shen, G., Bittl, R., Stehlik, D., Chitnis, P., and Golbeck, J. (2000) Recruitment of a Foreign Quinone into the A1 Site of Photosystem I. II. Structural and Functional Characterization of Phylloquinone Biosynthetic Pathway Mutants by EPR and ENDOR Spectroscopy J. Biol. Chem. 275, 8531-8539.

  43. Asano-Someda, M., van der Est, A., Krueger, U., Stehlik, D., Kaizu, Y., and Levanon, H., (1999) Intramolecular Energy Transfer in a Covalently Linked Copper (II) Porphyrin - Free Base Porphyrin Dimer: Novel Spin Polarization in the Energy Acceptor, J. Phys. Chem. 103, 6704--6714. 

  44. Salikhov, K., van der Est, A., and Stehlik, D. (1999) Spin Dynamics and EPR Spectral Simulations of Three-Spin Systems in Photosynthetic Reaction Centres, Appl. Magn. Res 15,101-134.

  45. van der Est, A., Hager-Braun, C., Leibl, W., Hauska, G., and Stehlik, D. (1998) Transient EPR Spectroscopy on Green-Sulfur Bacteria and Heliobacteria at two Microwave Frequencies, Biochim. Biophys. Acta 1409, 87--98.

  46. Kandrashkin, Y., Salikhov, K., van der Est, A., and Stehlik, D. (1998) Electron Spin Polarization in Consecutive Spin-Correlated Radical Pairs: Application to Short-Lived and Long-Lived Precursors in Type 1 Photosynthetic Reaction Centres Appl. Magn. Res. 15, 417--447. 

  47. Kamlowski, A., Altenberg-Greulich, B., van der Est, A., Zech, S., Bittl, R., Fromme, P., Lubitz, W., and Stehlik, D.  (1998) The Quinone Acceptor A1 in Photosystem I: Binding Site, and Comparison to QA in Purple Bacteria Reaction Centers, J. Phys. Chem B 102,8278.

  48. van der Est, A., Reiss-Husson, F., and Stehlik, D. (1998) An investigation of the light-induced spin polarization in reaction centres of Rhodobacter sphaeroides Y, Photosynth. Res. 55, 217--225.

  49. Zech, S., van der Est, A.J., and Bittl, R. (1997) Measurement of Cofactor Distances Between P700+ and A1- in Native and Quinone Substituted Photosystem I using Pulsed EPR Spectroscopy, Biochemistry 36, 9774--9779. 

  50. van der Est, A., Prisner, T., Bittl, R., Fromme, P., Lubitz, W., Moebius, K., and Stehlik, D. (1997) Time resolved X-, K-, and W-band EPR of the radical pair state P+A1- of Photosystem I in comparison with P+QA- in bacterial reaction centres, J. Phys. Chem. B 101, 1437-1443.

  51. van der Est, A., Fuechsle, G., Stehlik, D., and Wasielewski, M. (1997) Separation of the exchange and dipolar contributions to the spin-spin coupling in the donor-acceptor complex TAPD-ZnP-NQ, Appl. Mag. Res. 13, 317--335.

  52. Kamlowski, A., van der Est, A., Fromme, P., Krauss, N., Schubert, W.-D., Klukas, O., and Stehlik, D. (1997) The Structural Organisation of the PsaC Protein in Photosystem I from Single Crystal EPR and X-Ray Crystallographic Studies, Biochim. Biophys. Acta 1319, 199-213.
  53. Kamlowski, A., van der Est, A., Fromme, P., and Stehlik, D. (1997) Low temperature EPR on Photosystem I Single Crystals: Orientation of the Iron-Sulfur Centers FA and FB, Biochim. Biophys. Acta 1319, 185-198.

  54. Rendell, J., Zimmerman, D., van der Est, A.J., and Burnell, E. (1997) Orientational Order of 1,3-dichloro-2-ethenylbenzene in Liquid Crystal Solvents, Can. J. Chem. 75, 1156--1161.

  55. Kamlowski, A., Frankemoeller, L., van der Est, A., Stehlik, D., and Holzwarth, A. (1996) Evidence for the Delocalization of the Tiplet State 3P680 in the D1D2cytb559-Complex of Photosystem II, Ber. der  Bunsenges. Phys. Chem. 100, 2045--2051.

  56. van der Est, A., Fuechsle, G., Stehlik, D., and Wasielewski, M. (1996) X- and K-band Transient EPR of the Light Induced Radical Ion Pairs in Photosynthetic Model Systems, Ber. Bunsenges. Phys. Chem. 100, 2081--2085.

  57. Stehlik, D., van der Est, A., and Kamlowski, A. (1996) Time Resolved EPR Studies of Light-Induced Charge Separation in Photosynthetic Reaction Centers, Mol. Phys. Rep. 13, 21--36.

  58. Stehlik, D., van der Est, A., and Kamlowski, A. (1996) Transient Spin States in the Primary Processes of Photosynthesis, Ber. Bunsenges. Phys. Chem. 100, 2028--2035.

  59. Hugerat, M., van der Est, A., Ojadi, E., Bicczok, L., Linschitz, H., Levanon, H., and Stehlik, D. (1996) Transient EPR Studies of Ion-Paired Metallo-Porphyrin Heterodimers, J. Phys. Chem 100, 495--500. 

    van der Est, A. and Stehlik, D. (1995) Stuctural and Functional Properties of the State P+Q-, in Reaction Centers of Photosynthetic Bacteria (Michel-Beyerle, M. ed.), Springer Series in Biophysics, p. 321, Springer, Berlin.

  60. van der Est, A., Sieckmann, I., Lubitz, W., and Stehlik, D. (1995) Differences in the binding of the primary quinone acceptor in Photosystem I and reaction centres of Rhodobacter sphaeroides R-26 studied with transient EPR spectroscopy., Chem. Phys. 194, 349--359.

  61. Prisner, T., van der Est, A., Bittl, R., Lubitz, W., Stehlik, D., and Moebius, K. (1995) Time-resolved W-band (95 GHz) EPR spectroscopy of Zn-substituted reaction centers of Rhodobacter sphaeroides R-26., Chem. Phys. 194, 361--370.

    Bittl, R., van der Est, A., Kamlowski, A., Lubitz, W., and Stehlik, D. (1994) Time-resolved EPR of the radical pair P865+QA- in bacterial reaction centers. Observation of transient nutations, quantum beats and envelope modulations, Chem. Phys. Lett. 226, 349--358.

  62. van der Est, A., Bock, C., Golbeck, J., Brettel, K., Setif, P., and Stehlik, D. (1994) Electron transfer from the acceptor A1 to the iron-sulfur centres in photosystem I as studied by transient EPR spectroscopy, Biochemistry 33, 11789-11797.

  63. van der Est, A., Bittl, R., Abresch, E., Lubitz, W., and Stehlik, D. (1993) Transient EPR Spectroscopy of Perdeuterated Zn-Substituted Reaction Centres of Rhodobacter sphaeroides R-26, Chem. Phys. Lett. 212, 561--568.

  64. Fuechsle, G., Bittl, R., van der Est, A., Lubitz, W., and Stehlik, D. (1993) Transient EPR Spectroscopy of the Charge Separated State +Q- in Photosynthetic Reaction Centers. Comparison of Zn-substituted Rhodobacter sphaeroides R-26 and photosystem I, Biochim. Biophys. Acta 1142, 23--35.

  65. Sieckmann, I., Brettel, K., Bock, C., van der Est, A., and Stehlik, D. (1993) Transient Electron Paramagnetic Resonance of the Triplet State of P700 in Photosystem I: Evidence for Triplet Delocalization at Room Temperature, Biochemistry 32, 4842--4847. 

  66. Brettel, K., Sieckmann, I., Fromme, P., van der Est,  A.., and  Stehlik, D. (1992) Low Temperature EPR on Single Crystals of Photosystem I, Study of the Iron-Sulfur-Center FA.,  Biochim. Biophys. Acta 1098, 266--270. 

  67. Sieckmann, I.,  van der Est,  A.., Bottin, H., Setif, P., and  Stehlik, D. (1991) Nanosecond Electron Transfer Kinetics in Photosystem I  Following Substitution of Quinones for Vitamin K1 as Studied by Time  Resolved EPR,  FEBS 284, 98--102.

  68. Gierer, M.,  van der Est,  A.., and Stehlik, D. (1991) Transient  EPR of Weakly Coupled Spin-Correlated Radical Pairs in Photosynthetic  Reaction Centres: Increased Spectral Resolution from Nutation Analysis,  Chem. Phys. Lett. 186, 238--247.

  69. Schulz, M.,  van der Est,  A.., Rössler, E., and Vieth, H.-M.  (1991) 2H NMR Study of Benzene-d6 in a Liquid-Crystalline Polysiloxane,  Macromolecules 24, 5040--5045.

  70. Bock, C.,  van der Est,  A.J.., Brettel, K., and Stehlik, D. (1989)  Nanosecond Electron Transfer Kinetics in Photosystem I as Obtained from  Transient EPR at Room Temperature,  FEBS Lett. 247, 91--96.

  71. van der Est,  A.J.., Burnell, E., and Lounila, J. (1988) Molecular  Hydrogen in Nematic Liquid Crystals: Unusual Isotope Effects,  J. Chem. Soc. Faraday Trans. 84, 1095--1108. 

  72. van der Est,  A.J.., Burnell, E., Barnhoorn, J., de Lange, C., and  Snijders, J. (1988) Acetylene in Nematic Liquid Crystals: A Vibrational  Analysis of the Observed Dipolar Couplings,  J. Chem. Phys. 89, 4657--4665.

  73. Hoatson, G., Bailey, A., van der Est,  A.J., Bates, G., and  Burnell, E. (1988) 2H-N.M.R. Studies of Flexibility and Orientation Order  in the Nematic Liquid Crystals,  Liquid Crystals 3, 683--694.

  74. Kok, M., van der Est,  A.J., and Burnell, E. (1988) Orientation  Order of Biaxial Solutes in the Nematic Phases: Size and Shape Effects,  Liquid Crystals 3, 485--505.

  75. Burnell, E.,  van der Est,  A.J., Patey, G., de Lange, C., and  Snijders, J. (1987) NMR of Solutes in Liquid Crystalline Solvents: Mechanisms  of Orientational Ordering,  Bull. Mag. Res. 9, 4--19.

  76. Weaver, A.,  van der Est,  A.J.., Rendell, J., Hoatson, G., Bates,  G., and Burnell, E. (1987) Orientation Mechanisms for Small Solutes in the  Nematic Liquid Crystal 5CB-ab-d4, Liquid Crystals 2, 633--642. 

  77. van der Est,  A.J.., Kok, M., and Burnell, E. (1987) Size and Shape  Effects on the Orientation of Rigid Molecules in Nematic Liquid Crystals,  Mol. Phys. 60, 397--413. 

  78. van der Est,  A.J., Barker, P., Burnell, E., de Lange, C., and  Snijders, J. (1985) NMR of Methane in Liquid Crystal Mixtures,  Mol. Phys. 56, 161.

  79. Barker, P.,  van der Est,  A.J., Burnell, E., Patey, G., deLange,  C., and Snijders, J. (1984) NMR of Deuterium in Liquid Crystal Mixtures,  Chem. Phys. Lett. 107, 426--430.

Conference Proceedings

 Frankemoeller, L., Kamlowski, A., Krueger, U., van der Est, A., and Stehlik, D. (1998) A Transient EPR Study of the Temperature and Orientation Dependence of the Spectrum of 3P680 in Photosystem II, in Magnetic Resonance and Related Phenomena, Proceedings of the Joint 29th AMPERE-13th ISMAR International Conference (Ziessow, D., Lubitz, W., and Lendzian, F.eds.), volume II, pp. 939--940, Technische Universität, Berlin.

Kandrashkin, Yu.,  van der Est,  A., Salikhov, K., and Stehlik, D. (1998) EPR Spectra of Consecutive Spin Correlated Radical Pairs, in Magnetic Resonance and Related Phenomena, Proceedings of the Joint 29th AMPERE-13th ISMAR International Conference (Ziessow, D., Lubitz, W., and Lendzian, F.eds.), volume II, pp. 951--952, Technische Universität, Berlin.

van der Est,  A., Kamlowski, A., Altenberg-Greulich, B., and Stehlik, D. (1998) A Comparison of the Quinone Binding Sites in Photosystem I and Purple Bacteria, in Photosynthesis, Mechanisms and Effects (Garab, G. ed.), Kluwer, Vol. I, pp 551--554.

van der Est,  A., Scheller, H., Hager-Braun, C., Hauska, G., and Stehlik, D. (1998) Forward Electron Transfer in  Chlorobium Reaction Centres Studied by Transient EPR, in Proceedings of the XIth International Congress on Photosynthesis, Budapest (Garab, G. ed.), Kluwer, Vol. I, pp 547--550. 

van der Est, A. and Stehlik, D. (1996) Multi-Frequency Transient EPR of Photoinduced Weakly Coupled Radical Pairs, in Magnetic Resonance and Related Phenomena, Proceedings of the 28th Congress AMPERE (Smith, M. and Strange, J. eds.), pp. 83--84, Universtiy of Kent at Canterbury 

Kamlowski, A., Deligiannakis, Y., van der Est, A., Bittl, R., Kurreck, J., Rutherford, A., and Stehlik, D. (1996) Time-Resolved EPR on Transient Radicals and Radical Pairs in Photosystem II, in Magnetic Resonance and Related Phenomena, Proceedings of the 28th Congress AMPERE (Smith, M. and Strange, J. eds.), pp. 275--276, Universtiy of Kent at Canterbury.

Kamlowski, A., van der Est, A., and Stehlik, D. (1995) The Triplet State 3P680 in Photosystem II Studied with Time-Resolved EPR, in Photosynthesis: From Light to Biosphere (Mathis, P. ed.), volume I, pp. 787--790, Kluwer.

Kamlowski, A.,  van der Est,  A., Fromme, P., and Stehlik, D. (1995) Structural Organization of the Acceptors A1, FX,FA and FB in Photosystem I from EPR in Solution and Single Crystals, in Photosynthesis: From Light to Biosphere (Mathis, P. ed.),volume II, pp. 29--34, Kluwer.

van der Est,  A., Sieckmann, I., Lubitz, W., and Stehlik, D. (1995) Quinone Binding in  Rhodobacter Sphaeroides and Photosytem I studied by transient EPR., in Photosynthesis: From Light to Biosphere (Mathis, P. ed.), volume II, pp. 143--146, Kluwer.

Bittl, R.,  van der Est,  A., Fuechsle, G., Lubitz, W., and Stehlik, D. (1993) Transient EPR of Photosynthetic Reaction Centers: Structural Information on the Radical Pair P+Q- in Zn-substituted  Rb. Sphaeroides and photosystem I., in Proceedings IXth International Congress on Photosynthesis, Nagoya (Murata, N. ed.), Kluwer Acad. Publ., Dordrecht