Posts by Astrid & Helmut Sigel

Astrid Sigel (University of Basel) was an editor of the Metal Ions in Biological Systems series and of the Handbooks on Toxicity of Inorganic Compounds, Metals in Clinical and Analytical Chemis-try, and on Metalloproteins. She is also an editor of the MILS series and coauthored about 40 papers on topics in Bioinorganic Chemistry. Helmut Sigel is Emeritus Professor of Inorganic Chemistry at the University of Basel. He participated in the same works as A.S. and received many honors worldwide.⁓Sigel/index.html

Science & Technology

Lead: A Chameleon-Type Metal Ion. Its Use and Effects on Environment and Health

Lead is one of the oldest metals known to man and therefore it deserves special emphasis in the international year of the Periodic Table of the Elements (2019). Its essentiality has been discussed but not demonstrated, yet its toxicity has already been recognized by Greek and Arab scholars.

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