All Stories

  1. Synthesis, structure and properties of tris(1-ethyl-4-isopropyl-imidazolyl-κN)phosphine copper(II)
  2. 5-Thiocyanato-2′-deoxyuridine as a possible radiosensitizer: electron-induced formation of uracil-C5-thiyl radical and its dimerization
  3. One-Electron Oxidation of Gemcitabine and Analogs: Mechanism of Formation of C3′ and C2′ Sugar Radicals
  4. An ESR and DFT study of hydration of the 2′-deoxyuridine-5-yl radical: a possible hydroxyl radical intermediate
  5. Presolvated Electron Reactions with Methyl Acetoacetate: Electron Localization, Proton-Deuteron Exchange, and H-Atom Abstraction
  6. Proton Transfer Induced SOMO-to-HOMO Level Switching in One-Electron Oxidized A-T and G-C Base Pairs: A Density Functional Theory Study
  7. Reactions of 5-methylcytosine cation radicals in DNA and model systems: Thermal deprotonation from the 5-methyl group vs. excited state deprotonation from sugar
  8. Electron Spin Resonance of Radicals in Irradiated DNA
  9. π- vs σ-Radical States of One-Electron-Oxidized DNA/RNA Bases: A Density Functional Theory Study
  10. Formation of S–Cl Phosphorothioate Adduct Radicals in dsDNA S-Oligomers: Hole Transfer to Guanine vs Disulfide Anion Radical Formation
  11. Excited state proton-coupled electron transfer in 8-oxoG-C and 8-oxoG-A base pairs: a time dependent density functional theory (TD-DFT) study
  12. Synthesis, structure, and properties of bis(2-(1-ethyl-1H-imidazol-4-yl)acetate) copper(II)
  13. Presolvated Low Energy Electron Attachment to Peptide Methyl Esters in Aqueous Solution: C–O Bond Cleavage at 77 K
  14. Hydroxyl Ion Addition to One-Electron Oxidized Thymine: Unimolecular Interconversion of C5 to C6 OH-Adducts
  15. Kr-86 Ion-Beam Irradiation of Hydrated DNA: Free Radical and Unaltered Base Yields
  16. One-Electron Oxidation of Neutral Sugar Radicals of 2′-Deoxyguanosine and 2′-Deoxythymidine: A Density Functional Theory (DFT) Study
  17. Direct Formation of the C5′-Radical in the Sugar–Phosphate Backbone of DNA by High-Energy Radiation
  18. Understanding DNA Radicals Employing Theory and Electron Spin Resonance Spectroscopy
  19. Direct Strand Scission in Double Stranded RNA via a C5-Pyrimidine Radical
  20. Low-Energy Electron (LEE)-Induced DNA Damage: Theoretical Approaches to Modeling Experiment
  21. Hydroxyl Radical (OH • ) Reaction with Guanine in an Aqueous Environment: A DFT Study
  22. Formation of N–N Cross-Links in DNA by Reaction of Radiation-Produced DNA Base Pair Diradicals: A DFT Study
  23. Radicals Formed in N -Acetylproline by Electron Attachment: Electron Spin Resonance Spectroscopy and Computational Studies
  24. Valence anions of N-acetylproline in the gas phase: Computational and anion photoelectron spectroscopic studies
  25. Comment on “Theoretical Study of Polaron Formation in Poly(G)–Poly(C) Cations”
  26. Density Functional Theory Studies of the Extent of Hole Delocalization in One-Electron Oxidized Adenine and Guanine Base Stacks
  27. Highly Oxidizing Excited States of One-Electron-Oxidized Guanine in DNA: Wavelength and pH Dependence
  28. Mechanistic Aspects of Photooxidation of Polyhydroxylated Molecules on Metal Oxides
  29. Photooxidation of Nucleic Acids on Metal Oxides: Physicochemical and Astrobiological Perspectives
  30. Photoelectron spectroscopic studies of 5-halouracil anions
  31. Physicochemical Mechanisms of Radiation-Induced DNA Damage
  32. Proton-Coupled Electron Transfer in DNA on Formation of Radiation-Produced Ion Radicals
  33. Formation of Aminyl Radicals on Electron Attachment to AZT: Abstraction from the Sugar Phosphate Backbone versus One-Electron Oxidation of Guanine
  34. ChemInform Abstract: Sulfoxyl Radicals: Formation, Structure, and Kinetics
  35. Mechanisms of Radiation-Induced DNA Damage: Direct Effects
  36. Prototropic equilibria in DNA containing one-electron oxidized GC: intra-duplex vs. duplex to solvent deprotonation
  37. Comment on “Excited States of DNA Base Pairs Using Long-Range Corrected Time-Dependent Density Functional Theory”
  38. Sugar Radical Formation by a Proton Coupled Hole Transfer in 2′-Deoxyguanosine Radical Cation (2′-dG •+ ): A Theoretical Treatment
  39. Influence of Hydration on Proton Transfer in the Guanine−Cytosine Radical Cation (G •+ −C) Base Pair: A Density Functional Theory Study
  40. Cover Picture: Synthesis and EPR Studies of 2′-Deoxyuridines with Alkynyl, Rodlike Linkages (Chem. Eur. J. 31/2009)
  41. Synthesis and EPR Studies of 2′-Deoxyuridines with Alkynyl, Rodlike Linkages
  42. Role of Excited States in Low-Energy Electron (LEE) Induced Strand Breaks in DNA Model Systems: Influence of Aqueous Environment
  43. Direct Observation of the Hole Protonation State and Hole Localization Site in DNA-Oligomers
  44. Radical Formation and Chemical Track Structure in Ion-Beam Irradiated DNA
  45. Photoexcitation of Adenine Cation Radical [A •+ ] in the near UV−vis Region Produces Sugar Radicals in Adenosine and in Its Nucleotides
  46. Effect of Base Stacking on the Acid−Base Properties of the Adenine Cation Radical [A• + ] in Solution: ESR and DFT Studies
  47. Formation of Sugar Radicals in RNA Model Systems and Oligomers via Excitation of Guanine Cation Radical
  48. The Role of πσ* Excited States in Electron-Induced DNA Strand Break Formation:  A Time-Dependent Density Functional Theory Study
  49. Radiation Effects On DNA: Theoretical Investigations Of Electron, Hole And Excitation Pathways To DNA Damage
  50. Sugar Radicals Formed by Photoexcitation of Guanine Cation Radical in Oligonucleotides
  51. Low-Energy Electron Attachment to 5‘-Thymidine Monophosphate:  Modeling Single Strand Breaks Through Dissociative Electron Attachment
  52. DFT Treatment of Radiation Produced Radicals in DNA Model Systems
  53. Comment on Electron Transfer vs Differential Decay in Irradiated DNA
  54. The Guanine Cation Radical:  Investigation of Deprotonation States by ESR and DFT
  55. Photoexcitation of Dinucleoside Radical Cations:  A Time-Dependent Density Functional Study
  56. Base Release in Nucleosides Induced by Low-Energy Electrons: A DFT Study
  57. Photo-induced Hole Transfer from Base to Sugar in DNA: Relationship to Primary Radiation Damage
  58. Sugar Radicals in DNA: Isolation of Neutral Radicals in Gamma-Irradiated DNA by Hole and Electron Scavenging
  59. Track Structure in DNA Irradiated with Heavy Ions
  60. Products of the reactions of the dry and aqueous electron with hydrated DNA: hydrogen and 5,6-dihydropyrimidines
  61. Research Breakthrough: DNA Strandedness Controls Halouracil Radiosensitization
  62. Hydrogen Atom Loss in Pyrimidine DNA Bases Induced by Low-Energy Electrons:  Energetics Predicted by Theory
  63. ESR studies of radiation damage to DNA and related biomolecules
  64. The Formation of DNA Sugar Radicals from Photoexcitation of Guanine Cation Radicals
  65. Low Energy Electron Interactions with Uracil:  The Energetics Predicted by Theory
  66. Density Functional Theory Studies of Electron Interaction with DNA:  Can Zero eV Electrons Induce Strand Breaks?
  67. Electron Spin Resonance Study of DNA Irradiated with an Argon-Ion Beam: Evidence for Formation of Sugar Phosphate Backbone Radicals
  68. DFT Investigation of Dehalogenation of Adenine−Halouracil Base Pairs upon Low-Energy Electron Attachment
  69. Electron and Hole Transfer from DNA Base Radicals to Oxidized Products of Guanine in DNA
  70. Propyl gallate is a superoxide dismutase mimic and protects cultured lens epithelial cells from H2O2 insult
  71. Dehalogenation of 5-Halouracils after Low Energy Electron Attachment:  A Density Functional Theory Investigation
  72. Excess Electron Transfer in DNA:  Effect of Base Sequence and Proton Transfer
  73. DFT Calculations of the Electron Affinities of Nucleic Acid Bases:  Dealing with Negative Electron Affinities
  74. Investigation of Proton Transfer within DNA Base Pair Anion and Cation Radicals by Density Functional Theory (DFT)
  75. Electron Spin Resonance Study of Electron and Hole Transfer in DNA:  Effects of Hydration, Aliphatic Amine Cations, and Histone Proteins
  76. Proton-Assisted Electron Transfer in Irradiated DNA−Acrylamide Complexes:  Modeled by Theory
  77. Electron Spin Resonance Study of the Temperature Dependence of Electron Transfer in DNA:  Competitive Processes of Tunneling, Protonation at Carbon, and Hopping
  78. Reductively Activated Cleavage of DNA Mediated by o,o ′-Diphenylenehalonium Compounds
  79. Electron Spin Resonance Study of Electron Transfer in DNA:  Inter-Double-Strand Tunneling Processes
  80. Electron Spin Resonance Study of Electron Transfer Rates in DNA:  Determination of the Tunneling Constant β for Single-Step Excess Electron Transfer
  81. Electron Spin Resonance and Molecular Oribtal Study of One-Electron-Reduced O,O ‘-Diphenylenehalonium Cations:  First Evidence for a Diaryliodine Radical, Ar 2 I • or Simply a New σ*-Radical?
  82. Density Functional Theory Investigation of the Electronic Structure and Spin Density Distribution in Peroxyl Radicals
  83. Application of Molecular Orbital Theory to the Elucidation of Radical Processes Induced by Radiation Damage to DNA
  84. Modification of the Reductive Pathway in Gamma-Irradiated DNA by Electron Scavengers: Targeting the Sugar-Phosphate Backbone
  85. Application of Isodesmic Reactions to the Calculation of the Enthalpies of H• and OH• Addition to DNA Bases:  Estimated Heats of Formation of DNA Base Radicals and Hydrates
  86. Interaction of the Chlorine Atom with Water:  ESR and ab Initio MO Evidence for Three-Electron ( σ 2 σ* 1 ) Bonding
  87. Competitive Electron Scavenging by Chemically Modified Pyrimidine Bases in Bromine-Doped DNA:  Relative Efficiencies and Relevance to Intrastrand Electron Migration Distances
  88. Yields of ∙ OH in Gamma-Irradiated DNA as a Function of DNA Hydration: Hole Transfer in Competition with ∙ OH Formation
  89. Radiation-Induced DNA Damage as a Function of Hydration. II. Base Damage from Electron-Loss Centers
  90. Ab Initio Molecular Orbital Study of the Structures of Purine Hydrates
  91. One-Electron Oxidation and Reduction of Sulfites and Sulfinic Acids in Oxygenated Media:  The Formation of Sulfonyl and Sulfuranyl Peroxyl Radicals
  92. Ab Initio Molecular Orbital Calculations of Radicals Formed by H.bul. and .bul.OH Addition to the DNA Bases: Electron Affinities and Ionization Potentials
  93. Nature of Thiyl Peroxyl Radical: ESR and ab Initio MO Evidence for Intermolecular Stabilization of the Charge Transfer State, RS(+)OO.bul.-
  94. Structure and Relative Stability of Deoxyribose Radicals in a Model DNA Backbone: Ab Initio Molecular Orbital Calculations
  95. Ab Initio Molecular Orbital Calculations of DNA Radical Ions. 5. Scaling of Calculated Electron Affinities and Ionization Potentials to Experimental Values
  96. Radiation damage in DNA
  97. Mechanisms for radiation damadge in DNA
  98. Ab Initio Study of Thiol Aqueous Phase Ionization Energies of Methyl Mercaptan and Cysteamine
  99. ESR Detection at 77 K of the Hydroxyl Radical in the Hydration Layer of Gamma-Irradiated DNA
  100. Protonation of Nucleobase Anions in Gamma-Irradiated DNA and Model Systems. Which DNA Base Is the Ultimate Sink for the Electron?
  101. Comment on "Electron Attachment to Uracil.Theoretical ab Initio Study"
  102. The Influence of Hydration on the Absolute Yields of Primary Free Radicals in Gamma-Irradiated DNA at 77 K. II. Individual Radical Yields
  103. Ab initio molecular orbital calculations on DNA radical ions. 4. Effect of hydration on electron affinities and ionization potentials of base pairs
  104. The Influence of Hydration on the Absolute Yields of Primary Ionic Free Radicals in γ-Irradiated DNA at 77 K: I. Total Radical Yields
  105. Ab initio molecular orbital calculations on DNA radical ions. 3. Ionization potentials and ionization sites in components of the DNA sugar phosphate backbone
  106. The Chemical Consequences of Radiation Damage to DNA
  107. Mechanisms for radiation damage in DNA
  108. Ab initio molecular orbital calculations on DNA base pair radical ions: effect of base pairing on proton-transfer energies, electron affinities, and ionization potentials
  109. Radiation-Induced DNA Damage as a Function of Hydration: I. Release of Unaltered Bases
  110. Relative abundance and reactivity of primary ion radicals in .gamma.-irradiated DNA at low temperatures. 2. Single- vs double-stranded DNA
  111. Ab initio molecular orbital calculations of DNA bases and their radical ions in various protonation states: evidence for proton transfer in GC base pair radical anions
  112. Electron spin resonance evidence for intra- and intermolecular .sigma.-.sigma.* bonding in methionine radicals: relative stabilities of sulfur-chlorine, sulfur-bromine, sulfur-nitrogen, and sulfur-sulfur three-electron bonds
  113. Relative abundances of primary ion radicals in .gamma.-irradiated DNA: cytosine vs. thymine anions and guanine vs. adenine cations
  114. An electron spin resonance study of the reactions of lipid peroxyl radicals with antioxidants
  115. Kinetic analysis of free-radical reactions in the low-temperature autoxidation of triglycerides
  116. Structure and reactivity of peroxyl and sulphoxyl radicals from measurement of oxygen-17 hyperfine couplings: relationship with taft substituent parameters
  117. Study of lipid peroxyl radicals in urea clathrate crystals: oxygen-17 couplings and rotational averaging
  118. Esr Investigations of the Reactions of Radiation-Produced Thiyl and DNA Peroxyl Radicals: Formation of Sulfoxyl Radicals
  119. Electron spin resonance investigation of the structure and formation of sulfinyl radicals: reaction of peroxyl radicals with thiols
  120. Thiol peroxyl radical formation from the reaction of cysteine thiyl radical with molecular oxygen: An ESR investigation
  121. Homopolygalacturonan Molecular Size in Plant Cell Wall Matrices Via Paramagnetic Ion and Nitroxyl Amide Dipolar Spin-Spin Interactions
  122. Electrochemistry and spectroelectrochemistry of nitroxyl free radicals
  123. An ESR Investigation of the Reactions of Glutathione, Cysteine and Penicillamine Thiyl Radicals: Competitive Formation of RSO·, R·, RSSR, and RSS·
  124. Spectroscopic evidence for spatially sequential amide bond formation in plant homopolygalacturonans
  125. Radiolysis of Spin-Labeled DNA: An Electron Spin Resonance Investigation
  126. Sulfinyl radical formation from the reaction of cysteine and glutathione thiyl radicals with molecular oxygen
  127. Ab initio studies of hydrocarbon peroxyl radicals
  128. Paramagnetic Ion Spin-Spin Coupling as Direct Evidence for Cooperative Ion Binding to Higher Plant Cell Walls
  129. An electron spin resonance investigation of radical intermediates in cholesterol and related compounds: relation to solid-state autoxidation
  130. An electron spin resonance study of lactone radical cations formed in .gamma.-irradiated Freon matrixes
  131. ESR spectroscopic evidence for hydration- and temperature-dependent spatial perturbations of a higher plant cell wall paramagnetic ion lattice
  132. Electron spin resonance investigation of intramolecular hydrogen transfer and alkyl attack in ester cation radicals
  133. Reactions of the methyl and ethyl formate cation radicals: deuterium isotope effects
  134. ESR evidence for sequential divalent cation binding in higher plant cell walls
  135. An ESR investigation of ester .pi.-cation radicals in a Freon matrix at low temperatures: evidence for unusual barriers to methyl group rotation and intramolecular bonding
  136. Electron spin resonance investigation of the 5-halouracil and 5-halocytosine .pi.-cations produced by attack of the molecular chlorine(1-) (Cl2-) radical
  137. An electron spin resonance investigation of ester cation radicals at low temperatures. Proton transfer and rearrangement reactions
  138. Methyl formate cation radical: electron spin resonance evidence for a .sigma.* radical formed by strong matrix-solute cation interaction in frozen fluorotrichloromethane solutions
  139. Electron spin resonance and intermediate neglect of differential overlap molecular orbital study of the .pi. cations of (hydroxymethly)uracil and (hydroxymethyl)cytosine. Evidence for internal hydrogen bonding
  140. Electron spin resonance study of radicals produced by one-electron loss from 6-azauracil, 6-azathymine, and 6-azacytosine. Evidence for both .sigma. and .pi. radicals
  141. Hydrogen abstraction reactions by amide electron adducts
  142. ESR study of DNA base cation radicals produced by attack of oxidizing radicals
  143. Electron spin resonance of radiation produced free radicals
  144. An electron spin resonance study of .gamma.-irradiated frozen aqueous solutions containing N-acetylamino acids
  145. An electron spin resonance study of .gamma.-irradiated frozen aqueous solutions containing dipeptides. Mechanisms of radical reaction
  146. Chemical Reactions in Proteins Irradiated at Subfreezing Temperatures
  147. An electron spin resonance study of electron reactions with peptides: Competitive mechanisms
  148. An electron spin resonance investigation of charge transfer in aromatic peptide .pi.-cation radicals
  149. An electron spin resonance study of electron reactions with amino acid anhydrides
  150. Mechanisms for radiation damage in DNA constituents and DNA. Reactions of the N1-substituted thymine π-cation radicals
  151. Mechanisms for Radiation Damage in DNA Constituents and DNA
  152. Electron spin resonance study of N1-substituted thymine .pi.-cation radicals
  153. Electron spin resonance study of the photoionization of thymine. Thymine cation and anion radicals
  154. Radicals formed by electron attachment to peptides
  155. Radical intermediates in the vacuum ultraviolet photolysis of cyclohexane and cyclohexene vapors
  156. Radicals formed by the reaction of electrons with amino acids in an alkaline glass
  157. An electron spin resonance study of several purine and pyrimidine radical anions
  158. An electron spin resonance study of acetate dianion and acetamide anion
  159. Heptafulvalene cation and anion radicals
  160. Electron spin resonance spectroscopy of the xanthyl free radicals. I. Xanthyl radical: a planar diphenylmethyl
  161. Electron spin resonance spectroscopy of the xanthyl free radicals. II. 9-Phenylxanthyl: spatial configuration
  162. Electron spin resonance spectroscopy of the xanthyl free radicals. III. 9-Alkylxanthyls: torsional oscillation of the alkyl groups
  163. Theoretical Modeling of Radiation-Induced DNA Damage
  164. 3 EPR studies of radiation damage to DNA and related molecules
  165. Studies of Excess Electron and Hole Transfer in DNA at Low Temperatures