Copper is an essential trace element in living systems, present in the parts per million
concentration range. It is a key cofactor in a diverse array of biological oxidation-reduction …

The field of bioinorganic chemistry is at a propitious stage of development. Ever more
complex metallobiomolecules are isolated and purified, physical methodologies and …

The reactions of Cu (I) complexes with O2 and the oxidative properties of the resulting
Cu/O2 complexes have attracted much interest during the past decades because of their …

1.1. Background Copper proteins that bind and/or activate dioxygen perform a variety of
critical biological functions. 1-3 These include O2 transport (hemocyanin, Hc), 4 aromatic …

Spectroscopy has played a major role in develo** our understanding of activesites in
copper proteins. Often these sites exhibit spectral features which are unique compared to …

Copper is one of the most abundant and less toxic transition metals. Nature takes advantage
of the bioavailability and rich redox chemistry of Cu to carry out oxygenase and oxidase …

Copper is an important element in oxidation catalysts for laboratory and industrial use.
Aerobic oxidation of 2, 6-xylenol with copper (I) in the presence of a N-donor ligand such as …

Heme-copper oxidases (HCOs) are terminal enzymes on the mitochondrial or bacterial
respiratory electron transport chain, which utilize a unique heterobinuclear active site to …

The study of copper-dioxygen interactions and reactivity is of interest in chemical systems
which involve redox activity or oxidative transformations and in biological systems where …

Many metalloenzymes exhibit distinctive spectral features that are now becoming well
understood. These reflect active site electronic structures that can make significant …