Letters from Chemistry World readers – Page 15
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Opinion
Letters: April 2004
Onion cure-all From Peter Rowland C L Reid’s onion-slice cure for stings (Chemistry World, March 2004, p24) by hymenoptera is probable and important. When onion cells are damaged, the enzyme lachrymatory-factor synthase decomposes S-1-propenylcysteine-sulphoxide to give the volatile propanthial-S-oxide. In contact with aqueous tissue this hydrolyses to give propanol, sulphuric ...
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Opinion
Letters: March 2004
From Dr G J White The discovery of the role of the messenger PLC zeta as described in John Parrington’s article Kiss of life? (Chemistry World, February 2004, p38) is an intriguing and possible part of a universal mechanism having a wider perspective. The article did not say if calcium ...