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Calcium phosphates are key materials to sustain life on Earth as constituent of the gravity-defying bony skeletons of all vertebrates as well as the dentine and enamel materials of teeth. This book contains accounts on the historical development of the scientific knowledge gained on calcium orthophosphates, the latest information on the structure of carbonate-bearing hydroxyapatite, the role played by small amounts of molecular water residing in synthetic hydroxyapatite and bone mineral, as well as the nature of oxyhydroxyapatite and oxyapatite as intermediates during dehydroxylation of...

1.1. THE DISCOVERY OF CARBYNE Yu.P. KUDRYA VTSEV A.N. Nesmeyanov Institute ofOrganoelement Compounds, Russian Academy of Sciences, 117813 Moscow, Russia Abstract - The history of the discovery of carbyne is briefly recalled. The existence of carbyne was first disclosed by Russian researchers in 1960. It was obtained for the first time via oxidative dehydropolycondensation of acetylene based on the Glaser coupling of ethynyl compounds. 1. Introduction The polymeric nature of carbon was first pointed out by Mendeleev. He wrote: "The molecules of coal, graphite, and diamond are very complicated,...