| Publications: | |
| 69. |
"Free Radicals in L-Arginine · HCl · H2O Single Crystals X-irradiated at 66K:EPR, ENDOR, EIE and DFT Studies." Yiying Zhou and William H. Nelson, J. Phys. Chem. B114, 5567-5582 (2010). |
| 68. |
"Radicals in 5-Methylcytosine by Ionizing Radiation. Electron Magnetic Resonance for Structural and Mechanistic Analyses." André Krivokapić, Kjell Tage Øhman, Morten Munthe, William H. Nelson, Eli O. Hole, and Einar Sagstuen, Radiat. Res. 173, 689-702 (2010). |
| 67. |
"EPR, ENDOR and DFT study of l-lysine·HCl·2H2O single crystals X-irradiated at 66K." Yiying Zhou and William H. Nelson. Radiat. Phys. Chem. 79, 479-489 (2010). |
| 66. |
"Primary Oxidation Products of 5-Methylcytosine: Methyl Dynamics and Environmental Influences." André Krivokapić, Kjell Tage Øhman, William H. Nelson, Eli O. Hole, and Einar Sagstuen, J. Phys. Chem. A113 , 9633-9640 (2009). |
| 65. |
"Guanine Radical Reaction Processes: A Computational Description of Proton Transfer in X-Irradiated 9-Ethylguanine Single Crystals." Nayana Jayatilaka and William H. Nelson, J. Phys Chem. B112, 16908-16916 (2008). |
| 64. |
"Structure of Radicals from X-irradiated Guanine Derivatives. Part 2. An Experimental and Computational Study of 9-ethylguanine Single Crystals." Nayana Jayatilaka and William H. Nelson, J. Phys Chem. B111, 7887-7896 (2007). |
| 63. |
"Structure of Radicals from X-irradiated Guanine Derivatives: An Experimental and Computational Study of Sodium Guanosine Dihydrate Single Crystals." Nayana Jayatilaka and William H. Nelson, J. Phys Chem. B111, 800-810 (2007). |
| 62. |
"Electron Transfer in Amino Acid× Nucleic Acid Base Complexes: EPR, ENDOR, and DFT Study of X-Irradiated N-Formylglycine× Cytosine Complex Crystals." Einar Sagstuen, David. M. Close, Randi Vagane, Eli O. Hole, and William H. Nelson, J. Phys Chem. A110, 8653-8662 (2006). |
| 61. |
"EPR and ENDOR Study of Radiation-Induced Radical Formation in Purines: Sodium Inosine Crystals X-irradiated at 10 K." Sibel Tokdemir and William H. Nelson, J. Phys Chem. A110, 6552-6562 (2006). |
| 60. |
“EPR and ENDOR Study of Radiation-Induced Radical Formation in Purines: Hypoxanthine Hydrochloride Monohydrate Crystals X-irradiated at 10 K.” Sibel Tokdemir and William H. Nelson, J. Phys Chem. A109 8732-8744 (2005). |
| 59. |
"Radiation-induced Hydroxyl Addition to Purine Molecules: EPR and ENDOR Study of Hypoxanthine Hydrochloride Monohydrate Single Crystals." Sibel Tokdemir and William H. Nelson, Radiat. Res. 163, 663-672 (2005). |
| 58. |
"Dose-Response Relationships for Radicals Trapped in Irradiated Solids." William H. Nelson, Radiat. Res. 163, 673-680 (2005). |
| 57. | "α-Thymidine at 105 K." C. H. Görbitz, W. H. Nelson, and E. Sagstuen. Acta Cryst. E61, o1207-o1209 (2005). |
| 56. | "Disodium cytidine-5'-monophosphate 6.07-hydrate methanol 0.27 solvate." S. V. Gonzalez, K. Larsen, W. H. Nelson, E. Sagstuen, and C.H. Görbitz, Acta Cryst. E61, m554-m556 (2005). |
|
55. |
"Dependence of α-proton Hyperfine Couplings on Free Radical Geometry." Paul A. Erling and W. H. Nelson, J. Phys. Chem. (A) 108, 7591-7595 (2004). |
| 54. |
“Electronic g-factor measurement from ENDOR-Induced EPR patterns: Malonic Acid and Guanine Hydrochloride Dihydrate.” J. Kang, S. Tokdemir, J. Shao, and W. H. Nelson, J. Magn. Reson. 165, 128-136 (2003). |
| 53. |
“Experimental and Theoretical Investigation of the Mechanism of Radiation Induced Radical Formation in Hydrogen Bonded Co-Crystals of 1-Methyl-Cytosine and 5-Fluoro-Uracil.” D. M. Close, E. O. Hole, E. Sagstuen, W. H. Nelson, and L. A. Ericksson, J. Phys. Chem. (B) 104, 9343-9350 (2000). |
| 52. |
“Free Radical Formation in X-Irradiated Crystals of 2’-deoxycytidine Hydrochloride. Electron Magnetic Resonance Studies at 10 K.” E. O. Hole, E. Sagstuen, W. H. Nelson and D. M. Close, Radiat. Res. 153, 823-834 (2000). |
| 51. |
“Comment on Effects of Ionizing Radiation on Crystalline Cytosine Monohydrate.” D.M. Close, E. Sagstuen, E.O. Hole, and W.H. Nelson, J. Phys. Chem. (B) 103, 3049-3050 (1999). |
| 50. |
“EPR and ENDOR Studies of X-Irradiated Single Crystals of Deoxycytidine 5'-monophosphate at 10 and 77 K.” D.M. Close, E. Sagstuen, E.O. Hole, and W.H. Nelson, J. Phys. Chem. (A) 102, 6737-6744 (1998). |
| 49. |
“Radiation Damage to DNA Base Pairs. II. EPR and ENDOR Study of Single Crystals of the Base Pair Complex 1-methyluracil:9-ethyladenine X-irradiated at 10 K.” E. Sagstuen, E.O. Hole, W.H. Nelson and D.M. Close, Radiat. Res. 149, 120-127 (1998). |
| 48. |
“Electron Paramagnetic Resonance and Electron Nuclear Double Resonance Studies of X-Irradiated Crystals of Cytosine Hydrochloride. Part I. Free Radical Formation at 10 K Following High Radiation Dose.” E.O. Hole, W. H. Nelson, E. Sagstuen and D.M, Close, Radiat. Res. 149, 109-119 (1998) . |
| 47. |
“ESR and ENDOR Study of X-Irradiated Deoxyadenosine: Proton Transfer Behavior of Primary Ionic Radicals.” W.H. Nelson, E. Sagstuen, E.O. Hole and D.M. Close, Radiat. Res. 149, 75-86 (1998). |
| 46. |
“Alanine radicals. Structure determination by EPR and ENDOR of Irradiated Single Crystals at 295 K.” E. Sagstuen, S.R. Haugedal, E.O. Hole, and W.H. Nelson, J. Phys. Chem. (A) 101, 9763-9772 (1997). |
| 45. |
"Radiation Damage to DNA Base Pairs. I. Electron Paramagnetic Resonance and Eletcron Nuclear Double Resonance Study of Single Crystals of the Complex 1-Methylthymine:9-Methyladenine X-irradiated at 10 K." E. Sagstuen, E. O. Hole, W. H. Nelson, and D. M. Close, Radiat. Res. 146, 425-435 (1996). |
| 44. |
D. M. Close, E. O. Hole, E. Sagstuen, and W. H. Nelson, "ESR and ENDOR Studies of X-irradiated Single Crystals of Deoxycytidine 5'-phosphate (5'dCMP) at 10 K," in Radiation Damage in DNA: Relationships at Early Times, A. F. Fuciarelli and J. D. Zimbrick, eds., Battelle Press, Columbus Ohio (1995). pp 121-127. |
| 43. |
E. O. Hole, E. Sagstuen, D. M. Close, and W. H. Nelson, "Protonation / Deprotonation processes of Primary Products in X-irradiated Cytosine Derivatives: EPR and ENDOR Studies at 10 K,"in Radiation Damage in DNA: Relationships at Early Times, A. F. Fuciarelli and J. D. Zimbrick, eds., Battelle Press, Columbus Ohio (1995). pp 105-110. |
| 42. |
W. H. Nelson, S. Nimmala, D. M. Close, E. O. Hole, and E. Sagstuen, "Solid State Radiation Chemistry of Co-crystallized DNA Base Pairs Studied with EPR and ENDOR," in Radiation Damage in DNA: Relationships at Early Times, A. F. Fuciarelli and J. D. Zimbrick, eds., Battelle Press, Columbus Ohio (1995). pp 97-103. |
| 41. |
"Free Radical Formation in Single Crystals of 9-methyladenine X-irradiated at 10K. An EPR/ENDOR Study." E. O. Hole, E. Sagstuen, W. H. Nelson, and D. M. Close, Radiat. Res. 144, 258-265 (1995). |
| 40. |
"EPR and ENDOR Study of Single Crystals of Deoxyadenosine Monohydrate X‑Irradiated at 10 K." D. M. Close, W. H. Nelson, E. Sagstuen, and E. O. Hole, Radiat. Res. 137, 300-309 (1994). |
| 39. |
"ESR Studies of Monosulfide Radicals in Irradiated N-Acetyl-L-Cysteine Single Crystals." K. Matsuki, J. H. Hadley, W. H. Nelson, and C-Y. Yang, J. Mag. Reson. Ser. A 103 196-202 (1993). |
| 38. |
"The Protonation State of Radiation-Produced Cytosine Anions and Cations in the Solid State. EPR/ENDOR of Cytosine Monohydrate Single Crystals X-Irradiated at 10 K." E. Sagstuen, E. O. Hole, W. H. Nelson, and D. M. Close, J. Phys. Chem. 96, 8269-8276 (1992). |
| 37. |
"Ionization of Adenine Derivatives: EPR and ENDOR Studies of X-irradiated Adenine:HCl:½H2O and Adenosine:HCl." W. H. Nelson, E. Sagstuen, E. O. Hole, and D. M. Close, Radiat. Res., 131 272-284 (1992). |
| 36. |
"On the Proton Transfer Behavior of the Primary Oxidation Product in Irradiated DNA." W. H. Nelson, E. Sagstuen, E. O. Hole, and D. M. Close, Radiat. Res., 131 10-17 (1992). |
| 35. |
"Free Radical Formation in X-irradiated Anhydrous Crystals of Inosine Studied by EPR and ENDOR Spectroscopy." E. O. Hole, W. H. Nelson, E. Sagstuen, and D. M. Close, Radiat. Res. 130, 148-159 (1992). |
| 34. |
"Free Radical Formation in Single Crystals of 2'‑deoxyguanosine 5'-monophosphate Tetrahydrate Disodium Salt: An EPR/ENDOR Study." E. O. Hole, W. H. Nelson, E. Sagstuen, and D. M. Close, Radiat. Res. 129, 119-138 (1992). |
| 33. |
"Radiation Induced Free Radical Formation in Thymine Derivatives. EPR/ENDOR of Anhydrous Thymine Single Crystals X-irradiated at 10 K." E. Sagstuen, E. O. Hole, W. H. Nelson, and D. M. Close, J. Phys. Chem. 96, 1121-1126 (1992). |
| 32. |
"The Structure of the Guanine Cation: ESR/ENDOR of Cyclic Guanosine Monophosphate Single Crystals after X-irradiation at 10 K." E. O. Hole, E. Sagstuen, W. H. Nelson, and D. M. Close, Radiat. Res. 129, 1-10 (1992). |
| 31. |
"Primary and Secondary Radicals in Thymine Derivatives: Solid State ESR/ENDOR Study of 1-Me-Thymine and Thymidine." E.O. Hole, E. Sagstuen, W. H. Nelson, and D.M. Close, In The Early Effects of Radiation on DNA, (E. M. Fielden and P. O'Neill, eds.), NATO ASI Series Vol. H54, 409-410. Springer Verlag, Heidelberg (1991). |
| 30. |
"The Effects of Environment upon DNA Free Radicals." E. Sagstuen, E.O. Hole, W. H. Nelson, and D.M. Close, In The Early Effects of Radiation on DNA, (E. M. Fielden and P. O'Neill, eds.), NATO ASI Series Vol. H54, 215-230. Springer Verlag, Heidelberg (1991). |
| 29. |
"Primary Reduction and Oxidation of Thymine Derivatives. ESR/ENDOR of Thymidine and 1-Methylthymine X-Irradiated at 10 K." E. O. Hole, E. Sagstuen, W. H. Nelson, and D.M. Close, J. Phys. Chem. 95, 1494-1503 (1991). |
| 28. |
"Radiation Damage to Guanine Hydrobromide Monohydrate. Solid State ESR and ENDOR between 8 and 295 K." E.O. Hole, E. Sagstuen, W. H. Nelson, and D. M. Close, Radiat. Res. 125, 119‑128 (1991). |
| 27. |
"Free Radical Formation in Nucleosides and Nucleotides of guanine: ESR and ENDOR of Guanosine 5'-monophosphate and Guanosine:dimethylformamide X‑irradiated at 10 K," E. Sagstuen, E.O. Hole, W. H. Nelson, and D. M. Close, Free Radical Res. Comm. 6, 91-92 (1989). |
| 26. |
"Radiation Chemistry of Adenine Derivatives Following Direct Ionization in Solids," W. H. Nelson, D. M. Close, E. Sagstuen, and E. O. Hole, Free Radical Res. Comm. 6, 81-82 (1989). |
| 25. |
"Free Radical Formation in Single Crystals of 2'-deoxyguanosine 5'‑monophosphate and Guanine Hydrobromide Monohydrate after X-irradiation at 10 and 65 K," E. O. Hole, E. Sagstuen, W. H. Nelson, and D. M. Close, Free Radical Res. Comm. 6, 87-88 (1989). |
| 24. |
"ESR and ENDOR Studies of X-Irradiated Single Crystals of Guanine Derivatives," D. M. Close, W. H. Nelson, E. Sagstuen, and E. O. Hole, Free Radical Res. Comm. 6, 83-84 (1989). |
| 23. |
"Structure of the Primary Reduction Product of Thymidine after X-irradiation at 10 K." E. Sagstuen, E. O. Hole, D. M. Close, and W. H. Nelson, J. Phys. Chem. 93 5974-5977 (1989). |
| 22. |
"ESR and ENDOR Study of Adenosine Single Crystals X-irradiated at 10 K." D. M. Close and W. H. Nelson, Radiat. Res. 117, 367-378 (1989). |
| 21. |
"ESR/ENDOR Study of Guanine:HCl:2H2O X-irradiated at 20 K", W. H. Nelson, E. O. Hole, E. Sagstuen, and D. M. Close, Int. J. Rad. Biol. 54, 963-986 (1988). |
| 20. |
"Radical Formation in X-irradiated Single Crystals of Guanine Hydrochloride Monohydrate. Part III. Secondary Radicals and Reaction Mechanisms", D. M. Close, E. Sagstuen, and W. H. Nelson, Radiat. Res. 116, 379-392 (1988). |
| 19. |
"ESR/ENDOR Study of Guanosine 5'-Monophosphate (Free Acid) Single Crystals X‑irradiated at 10 K", E. Sagstuen, E. O. Hole, W. H. Nelson, and D. M. Close, Radiat. Res. 116, 196-209 (1988). |
| 18. |
"ESR and ENDOR Studies of Radicals Produced in Hydroxyproline Single Crystals by X-irradiation at low Temperatures. Part II.," W. H. Nelson, J. Phys. Chem. 92, 554-561 (1988). |
| 17. |
"Radical Formation in X-irradiated Single Crystals of Guanine Hydrochloride Monohydrate. Part II. ESR and ENDOR in the Range 10 - 77 K," D. M. Close, W. H. Nelson, and E. Sagstuen, Radiat. Res. 112, 283-301 (1987). |
| 16. |
"ESR and ENDOR Study of X-irradiated Single Crystals of Purines at 4.2 K," D. M. Close, W. H. Nelson, and E. Sagstuen. In Electronic Magnetic Resonance of the Solid State, (J. Weil, ed.); Canadian Society for Chemistry, Ottawa; 1987; pp 237-250. |
| 15. |
"ESR and ENDOR Study of the Guanine Cation: Secondary Product in 5'-dGMP," E. O. Hole, W. H. Nelson, D. M. Close, and E. Sagstuen, J. Chem. Phys. 86, 5218-5219 (1987). |
| 14.. |
"ESR and ENDOR Studies of dl‑Proline:HCl Single Crystals," W. H. Nelson and P. Kevin Carpenter, J. Chem. Phys. 83, 2153-2158 (1985). |
| 13. |
"ESR Study of the Guanine Cation," D. M. Close, E. Sagstuen, and W. H. Nelson, J. Chem. Phys. 82, 4386-4388 (1985). |
| 12. |
"Radiation Chemistry of Purines in the Solid State: ESR and ENDOR Studies of Xanthosine Dihydrate Single Crystals," W. H. Nelson and D. M. Close, J. Chem. Phys. 79, 3240-3250 (1983). |
| 11. |
"ESR and ENDOR Studies of Irradiated Cysteine HCl: Decarboxylation," K. Matsuki, W. H. Nelson, and J. H. Hadley, J. Chem. Phys. 75, 5587-5593 (1981). |
| 10. |
"ESR and ENDOR Studies of 4‑hydroxy‑l‑proline Single Crystals X‑Irradiated at Low Temperatures," W. H. Nelson and C. R. Nave, J. Chem. Phys. 74, 2710-2716 (1981). |
| 9. |
"ESR and ENDOR Studies of X‑Irradiated L‑Proline Monohydrate and L‑Thioproline Single Crystals," W. H. Nelson and D. R. Taylor, J. Chem. Phys. 72, 524‑528 (1980). |
| 8. |
"Estimation of Errors in Eigenvalues and Eigenvectors from Magnetic Resonance Results by Use of Linear Data ‑ Fitting Techniques", W. H. Nelson, J. Magn. Reson. 38, 71‑78 (1980). |
| 7. |
"Quick‑Access Sample System for Low Temperature ESR/ENDOR at K‑band", W. H. Nelson, J. Magn. Reson. 37, 205‑207 (1980). |
| 6. |
"ESR and ENDOR Studies of X-Irradiated 4-Phenyl-3-Thiosemicarbazide Single Crystals", W. H. Nelson and C. D. Gill, Molec. Phys. 36, 1779-1788 (1978). |
| 5. |
"ESR and ENDOR Studies of X-Irradiated 1-Phenyl-3-Thiosemicarbazide Single Crystals", W. H. Nelson, Molec. Phys. 33, 833-842 (1977). |
| 4.. |
"ENDOR Spectra of 14N and H in Free Radicals Formed by Gamma-Irradiation of Dimethylglyoxime Single Crystals", W. H. Nelson, F. M. Atwater, and W. Gordy, J. Chem. Phys. 61, 4726-4732 (1974). |
| 3. |
"Electron Spin Resonance of Trapped PF2 and PF4 Radicals", W. H. Nelson, G. S. Jackel, and W. Gordy, J. Chem. Phys. 52, 4572-4578 (1970). |
| 2. |
"Electron Spin Resonance Spectrum and Structure of BF2 Radicals", W. H. Nelson and W. Gordy, J. Chem. Phys. 51, 4710-4713 (1969). |
| 1. |
"Matrix Perturbations of H,N,P, and As Atoms at 4.2K", G.S. Jackel, W. H. Nelson, and W. Gordy, Phys. Rev. 176, 453-460 (1968). |