Cover Feature: Singlet Oxygen Oxidation of the Radical Cations of 8‐Oxo‐2′‐deoxyguanosine and Its 9‐Methyl Analogue: Dynamics, Potential Energy Surface, and Products Mediated by C5‐O2‐Addition (ChemPlusChem 9/2021)

Their reaction mechanisms, dynamics, and product structures were revealed by gas-phase ion-molecule reactions and mass spectrometry, from which a molecular-level understanding of the chemistry is provided for elucidating the biological consequences and implications. Ion-molecule reaction, mass spectrometry, nucleosides, reaction mechanisms, singlet oxygen Keywords: ion-molecule reaction; mass spectrometry; nucleosides; reaction mechanisms; singlet oxygen EN ion-molecule reaction mass spectrometry nucleosides reaction mechanisms singlet oxygen 1226 1226 1 09/29/21 20210901 NES 210901 B The Cover Feature illustrates b a synergetic damage of DNA guanine nucleobases by ionizing radiation and accompanying oxidation by electronically excited singlet molecular oxygen. [Extracted from the article]