Singlet oxygen (1O2) is a biologically relevant reactive oxygen species capable of efficiently
reacting with cellular constituents. The resulting oxidatively generated damage to nucleic …

In this review, we compare the mechanisms and consequences of electronic excitation of
DNA via photon absorption or photosensitization, as well as by chemically induced …

Oxidation of guanine in the presence of lysine can lead to guanine–lysine cross‐links. The
ratio of the C4, C5 and C8 crosslinks depends on the manner of oxidation. Type II …

In DNA, guanine is the most susceptible to oxidative damage by exogenously and
endogenously produced electronically excited singlet oxygen (1O2). The reaction …

Reactions of electronically excited singlet oxygen (1O2) with the radical cations of guanine
(9HG•+), 9-methylguanine (9MG•+), 2′-deoxyguanosine (dGuo•+), and guanosine (Guo•+) …

8-Bromoguanosine is generated in vivo as a biomarker for early inflammation. Its formation
and secondary reactions lead to a variety of biological sequelae at inflammation sites, most …

We report a guided-ion beam mass spectrometric study on collision-induced dissociation
(CID) of deprotonated guanine (G)· cytosine (C) base pairs and their 9-methylguanine (9MG) …

Oxo‐2′‐deoxyguanosine (OG) is the most common DNA lesion. Notably, OG becomes
more susceptible to oxidative damage than the undamaged nucleoside, forming mutagenic …

We report a kinetic and mechanistic study on the title reactions, in which 1O2 was generated
by the reaction of H2O2 with Cl2 and bubbled into an aqueous solution of guanine and 9 …

When oligonucleotides are oxidized by carbonate radical, thymine and carbonate can add to
guanine radical, yielding either a guanine-thymine cross-link product (G∧ T) or 8-oxo-7, 8 …