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The examination of skin lipid model systems stressed by ultraviolet irradiation in the presence of transition metal ions

✍ Scribed by Hagen Trommer; Jens Wagner; Heinrich Graener; Reinhard H.H Neubert


Book ID
117639205
Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
691 KB
Volume
51
Category
Article
ISSN
0939-6411

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## Abstract In the presence of an excess of cysteine, a catalytic amount of a non‐iron transition‐metal ion (Co^2+^, Cu^2+^, Ni^2+^, Ti^4+^, and Mn^2+^) may also induce cleavage of qinghaosu (artemisinin; **1**) to give those end products previously reported for Fe^2+^‐mediated degradation.