CUPRUM
\kˈʌpɹəm], \kˈʌpɹəm], \k_ˈʌ_p_ɹ_ə_m]\
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Its odour is peculiar and sensible when rubbed; taste disagreeable and metallic; colour red yellow. Sg. 7.87; ductile; very malleable; less hard than iron; easily oxidized. In its metallic state, it exerts no action on the system. When swallowed, it undergoes no deleterious change. Copper cannot be dissolved whilst tin is in the mixture, and hence the utility of tinning copper vessels. Copper culinary vessels are harmless under ordinary cleanliness, provided the substances be not suffered to remain in them till cold. The salts of copper are very deleterious.
By Robley Dunglison
Word of the day
Procollagen Proline Dioxygenase
- mixed-function oxygenase that catalyzes hydroxylation prolyl-glycyl-containing-peptide, usually in protocollagen, hydroxyprolylglycyl-peptide. The enzyme utilizes molecular oxygen with a concomitant oxidative decarboxylation of 2-oxoglutarate to succinate. EC 1.14.11.2.