Metal Ions in Biological Systems

Inorganic considerations on the function of vanadium in biological systems; solution properties of vanadium(III) with regard to biological systems; the vanadyl ion - molecular structure of co-ordinating ligands by electron paramagnetic resonance and electron nuclear resonance-spectroscopy; vanadyl(IV) complexes of nucleotides; interactions of vanadates(V) with biogenic ligands; use of vanadate-induced photocleavage for detecting phosphate-binding sites in proteins; vanadium-protein interactions; stimulation of enzyme activity by oxovanadium complexes; inhibition of phosphate-metabolizing enzymes by oxovanadium complexes; vanadium-dependent halo-peroxidases; vanadium nitrogenases of azotobacter; amavadin, the vanadium compound of amanitae; vanadium in ascidians and the chemistry of tunichromes; biochemical significance of vanadium in a polychaete worm; vanadium transport in animal systems; vanadium in mammalian physiology and nutrition; vanadium compounds as insulin mimics; antitumor activity of vanadium compounds; methods for the spectroscopic characterization of vanadium centers in biological and related chemical systems; analytical procedures for the determination of vanadium in biological materials.