Read this ‘HOT’ article today by Willem H. Koppenol from ETH Zurich and co-workers:
Damage to fuel cell membranes: Reaction of HO˙ with an oligomer of poly(sodium styrene sulfonate) and subsequent reaction with O2
Sindy M. Dockheer, Lorenz Gubler, Patricia L. Bounds, Anastasia S. Domazou, Günther G. Scherer, Alexander Wokaun and Willem H. Koppenol
Phys. Chem. Chem. Phys., 2010, DOI: 10.1039/C0CP00082E