Mechanisms for DNA charge transport

JC Genereux, JK Barton - Chemical reviews, 2010 - ACS Publications
DNA charge transport (CT) chemistry has received considerable attention by scientific
researchers over the past 15 years since our first provocative publication on long-range CT …

Proton-coupled electron transfer in DNA on formation of radiation-produced ion radicals

A Kumar, MD Sevilla - Chemical reviews, 2010 - ACS Publications
It is well established that exposure of DNA to high-energy radiation results in a variety of
physical and chemical changes in DNA including strand breakage, mutation, and DNA …

Reaction of electrons with DNA: radiation damage to radiosensitization

A Kumar, D Becker, A Adhikary, MD Sevilla - International Journal of …, 2019 - mdpi.com
This review article provides a concise overview of electron involvement in DNA radiation
damage. The review begins with the various states of radiation-produced electrons …

Calculations of pKa's and Redox Potentials of Nucleobases with Explicit Waters and Polarizable Continuum Solvation

B Thapa, HB Schlegel - The Journal of Physical Chemistry A, 2015 - ACS Publications
The SMD implicit solvation model augmented with one and four explicit water molecules
was used to calculate p K a's and redox potentials of N-methyl-substituted nucleic acid …

Charged particle and photon interactions with matter: recent advances, applications, and interfaces

Y Hatano, Y Katsumura, A Mozumder - 2010 - books.google.com
Covering state-of-the-art advances, novel applications, and future perspectives, this volume
presents new directions on the basic studies of charged particle and photon interactions with …

DNA–histone cross-link formation via hole trapping in nucleosome core particles

T Wen, M Kermarrec, E Dumont, N Gillet… - Journal of the …, 2023 - ACS Publications
Radical cations (holes) produced in DNA by ionizing radiation and other oxidants yield DNA–
protein cross-links (DPCs). Detailed studies of DPC formation in chromatin via this process …

Quantum chemical benchmarking, validation, and prediction of acidity constants for substituted pyridinium ions and pyridinyl radicals

JA Keith, EA Carter - Journal of chemical theory and computation, 2012 - ACS Publications
Sensibly modeling (photo) electrocatalytic reactions involving proton and electron transfer
with computational quantum chemistry requires accurate descriptions of protonated …

Direct observation of the hole protonation state and hole localization site in DNA-oligomers

A Adhikary, D Khanduri, MD Sevilla - Journal of the American …, 2009 - ACS Publications
In this work, it is shown that the incorporation of an 8-deuteroguanine (G*) moiety in DNA-
oligomers allows for direct determination at 77 K of (i) the location of holes (ie, the radical …

Influence of Hydration on Proton Transfer in the Guanine−Cytosine Radical Cation (G•+−C) Base Pair: A Density Functional Theory Study

A Kumar, MD Sevilla - The Journal of Physical Chemistry B, 2009 - ACS Publications
Upon one-electron oxidation, all molecules including DNA bases become more acidic in
nature. For the GC base pair, experiments suggest that a facile proton transfer takes place in …

Single-step charge transport through DNA over long distances

JC Genereux, SM Wuerth, JK Barton - Journal of the American …, 2011 - ACS Publications
Quantum yields for charge transport across adenine tracts of increasing length have been
measured by monitoring hole transport in synthetic oligonucleotides between photoexcited 2 …