Content: The chemistry of vanadium in aqueous and nonaqueous solution / Debbie C. Crans and Alan S. Tracey -- Studies of vanadate-organic ligand systems using potentiometry and NMR spectroscopy / Lage Pettersson and Katarina Elvingson -- Vanadium(V) equilibria : thermodynamic quantities for some protonation and condensation reactions / J.J. Cruywagen, J.B.B. Heyns, and A.N. Westra -- Structural and functional models for biogenic vanadium compounds / D. Rehder, M. Bashirpoor, S. Jantzen, H. Schmidt, M. Farahbakhsh, and H. Nekola -- Synthesis, structure and reactivity of Vv-thiolate and Vv-[eta]²-sulfenate complexes / Charles R. Cornman, Thad C. Stauffer, and Paul D. Boyle -- Peroxo, hydroxylamido, and acac derived vanadium complexes : chemistry, biochemistry, and insulin-mimetic action of selected vanadium compounds / Debbie C. Crans -- Interaction of the vanadyl (VO²) cation with guanosine nucleotides and elongation factor Tu / Anindya Banerjee, Shan Chen, Heike Ruetthard, Fashun Jiang, Victor W. Huang, Mathias Sprinzl, and Marvin W. Makinen -- Composition and structure of vanadium(V) peroxo complexes / P. Schwendt and M. Sivák -- Bis-peroxo-oxovanadium(V) complexes of histidine-containing peptides as models for vanadium haloperoxidases / J.A. Guevara-García, N. Barba-Behrens, R. Contreras, and G. Mendoza-Díaz -- From the speciation of peroxovanadium complexes in aqueous solution to the chemistry of haloperoxidases / V. Conte, F. Di Furia, and S. Moro -- Catalytic oxidations with biomimetic vanadium systems / I.W.C.E. Arends, M. Vos, and R.A. Sheldon -- Synthetic models for vanadium haloperoxidases / Vincent L. Pecoraro, Carla Slebodnick, and Brent Hamstra -- Perspectives on vanadium biochemistry / Kenneth Kustin -- Chloroperoxidase from Curvularia inaequalis : X-ray structures of native and peroxide form reveal vanadium chemistry in vanadium haloperoxidases / Albrecht Messerschmidt, Lars Prade, and Ron Wever -- Reactivity of vanadium bromoperoxidase / Alison Butler, Richard A. Tschirret-Guth, and Matthew T. Simpson -- Vanadate-containing haloperoxidases and acid phosphatases : the conserved active site / Wieger Hemrika, Rokus Renirie, Henk Dekker, and Ron Wever -- The vanadium-containing nitrogenase system of Azotobacter vinelandii / C. Rüttimann-Johnson, R. Chatterjee, V.K. Shah, and P.W. Ludden -- A possible role for amavadine in some Amanita fungi : a unique case in biology / C.M.M. Matoso, Armando J.L. Pombeiro, J.J.R. Fraústo da Silva, M. Fátima C. Guedes da Silva, J. Armando L. da Silva, J.L. Baptista-Ferreira, and Fátima Pinho-Almeida -- The accumulation mechanism of vanadium by ascidians : an interdisciplinary study between biology and chemistry on extraordinary high levels and reduced form of vanadium in vanadocytes / H. Michibata, T. Uyama, and K. Kanamori -- A new class of insulin-mimetic compounds : N, N-dimethylhydroxamidovanadates : aspects of their chemistry and function / Fikile Nxumalo, Alan S. Tracey, Nancy Detich, Michael J. Gresser, and Chidambaram Ramachandran -- Vanadium bioactivity on cells in culture / S.B. Etcheverry and A.M. Cortizo -- Pharmacology and toxicology of oxovanadium species : oxovanadium pharmacology / G.R. Willsky, A.B. Goldfine, and P.J. Kostyniak -- The nutritional essentiality and physiological metabolism of vanadium in higher animals / Forrest H. Nielsen -- Insulin-like effects of vanadium : reviewing in vivo and in vitro studies and mechanisms of action / Yoram Shechter, Gerald Eldberg, Assia Shisheva, Dov Gefel, Natesampillai Sekar, Sun Qian, Rafi Bruck, Eythan Gershonov, Debbie C. Crans, Y. Goldwasser, Mati Fridkin, and Jinping Li -- Mechanism of insulin mimetic action of peroxovanadium compounds / B.I. Posner, C.R. Yang, and A. Shaver -- Chemical and pharmacological studies of a new class of antidiabetic vanadium complexes / K.H. Thompson, V.G. Yuen, J.H. McNeill, and C. Orvig -- Structure-activity relationship of insulin-mimetic vanadyl complexes with VO(N₂O₂) coordination mode / H. Sakurai, K. Fujii, S. Fujimoto, Y. Fujisawa, K. Takechi, and H. Yasui -- Vanadium salts in the treatment of human diabetes mellitus / A.B. Goldfine, G. Willsky, and C.R. Kahn.