I was very concerned by the article “Cloudy Outlook for Sunscreen Market” in the Nov. 28, 2022, issue of C&EN (page 13). The danger of skin cancer and the benefits of sunscreens in preventing skin ...

Bacteria have sensitive and specific sensors — involving redox-active cofactors such as haem, flavins, pyridine nucleotides and iron–sulphur clusters, or redox-sensitive amino-acid side chains such as ...

The metal atoms are losing electrons to form an ion. They are being oxidised. \(Mg(s) \to Mg_{}^{2 + }(aq) + 2e_{}^ - \) This is known as an ion-electron equation. Reduction is the opposite of ...

Metal halide perovskites (MHPs) with striking electrical and optical properties have appeared at the forefront of semiconductor materials for photocatalytic redox reactions but still suffer from some ...