The Metal Ions in Biological Systems series is devoted to increasing our understanding of the relationship between the chemistry of metals and life processes. The volumes reflect the interdisciplinary nature of bioinorganic chemistry and coordinate the efforts of researchers in the fields of biochemistry, inorganic chemistry, coordination chemistry, environmental chemistry, biophysics, pharmacy, and medicine. Written by 36 internationally recognized experts and enriched with nearly 200 illustrations, Volume 40 highlights fast moving research on lanthanides and their interrelations with biosystems and emphasizes their recent impact in biochemical and biological studies, and in medicine.