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 …

Ion implantation of organisms

H Feng, Z Yu, PK Chu - Materials Science and Engineering: R: Reports, 2006 - Elsevier
This paper describes keV ion interactions with bio-molecules and organisms by illustrating
the general concepts and discussing emerging applications. We begin with a systematic …

Nucleobase-specific quenching of fluorescent dyes. 1. Nucleobase one-electron redox potentials and their correlation with static and dynamic quenching efficiencies

CAM Seidel, A Schulz, MHM Sauer - The Journal of Physical …, 1996 - ACS Publications
Intermolecular static and dynamic fluorescence quenching constants of eight coumarin
derivatives by nucleobase derivatives have been determined in aqueous media. One …

[图书][B] Free-radical-induced DNA damage and its repair

C von Sonntag - 2006 - Springer
When talking about research, I must mention Mrs. Rita Wagner, a superb technician that
looked after my laboratory and the younger Ph. D. students for about 25 years. Some of her …

Long-range oxidative damage to DNA: effects of distance and sequence

ME Núñez, DB Hall, JK Barton - Chemistry & biology, 1999 - cell.com
Introduction Oxidative damage to DNA in vivo can lead to mutations and cancer. DNA
damage and repair studies have not yet revealed whether permanent oxidative lesions are …

Photosensitized formation of 7, 8-dihydro-8-oxo-2'-deoxyguanosine (8-hydroxy-2'-deoxyguanosine) in DNA by riboflavin: a nonsinglet oxygen-mediated reaction

H Kasai, Z Yamaizumi, M Berger… - Journal of the American …, 1992 - ACS Publications
Figure 1. Riboflavin-sensitized formation of 7, 8-dihydro-8-oxo-2'-deoxyguanosine within
DNA in 10 mM phosphate buffer solutions (pH 7.0) upon exposure to visible light for various …

One-electron-reduction potentials of pyrimidine bases, nucleosides, and nucleotides in aqueous solution. Consequences for DNA redox chemistry

S Steenken, JP Telo, HM Novais… - Journal of the American …, 1992 - ACS Publications
The reduction potentials in aqueous solutionof the pyrimidine bases, nucleosides,
andnucleotides of uracil (U) and thymine (T) were determined using the technique of pulse …

Resonant dissociation of DNA bases by subionization electrons

MA Huels, I Hahndorf, E Illenberger… - The Journal of chemical …, 1998 - pubs.aip.org
We have measured the electron energy dependence for production of a great variety of
anion fragments, induced by resonant attachment of subionization electrons to thymine (T) …

Investigation of proton transfer within DNA base pair anion and cation radicals by density functional theory (DFT)

X Li, Z Cai, MD Sevilla - The Journal of Physical Chemistry B, 2001 - ACS Publications
Proton-transfer reactions in two DNA base pair anion and cation radicals are treated by
density functional theory to aid our understanding of the possible contributions of these …

Single versus double proton-transfer reactions in Watson− Crick base pair radical cations. A theoretical study

J Bertran, A Oliva, L Rodríguez-Santiago… - Journal of the …, 1998 - ACS Publications
Single and double proton-transfer reactions in Watson− Crick Guanine− Cytosine (GC) and
Adenine− Thymine (AT) radical cations have been studied using the hybrid density …