Notable and anniversary dates in biochemistry for 2000.

ment” (J. B. van Helmont, the beginning of XVII century). 300th anniversary of the founding of the Academy of Sciences (Berlin, 1700). 150th anniversary of the supposition of the existence of intermediate metabolism (C. Bernard, 1850). 100th anniversary of the founding of the Nobel Prize (June 29, 1900). 100th anniversary of the discovery of the regulatory peptide carnosine (V. Gulevich, 1900). 100th anniversary of the discovery of the human blood groups (K. Landsteiner, 1900). 100th anniversary of the All-Russia Pharmaceutical Congress (Moscow, 1900). 75th anniversary of the synthesis of berberine (1925). 75th anniversary of the preparation of the antireticular cytotoxic serum (ACS) for stimulation of connective tissue system functions in diseases with lowered reactiveness of the organism (A. A. Bogomolets, 1925). 75th anniversary of the preparation of the insulin in crystalline form (J. J. Abel et al., 1925). 75th anniversary of the discovery of parathyroid hormone (J. B. Collip, 1925). 75th anniversary of the isolation of heparin in the pure state (W. H. Howell, 1925). 75th anniversary of the founding of the Institute of Biochemistry (Kharkov, Ukraine, 1925). 50th anniversary of the development of the drop-wise method of the determination of prothrombin in blood on a microscope slide (D. P. Borovskaya, 1950). 50th anniversary of the synthesis of the antibiotic synthomycin (V. S. Mikhalev, N. A. Skol’dinov, et al., 1950). 50th anniversary of the discovery of objective connection between the concentration of substances in living cells and in their surroundings (A. S. Troshin, 1950). 50th anniversary of the synthesis of the tranquillizer aminazin (P. Charpentier, 1950). 50th anniversary of the discovery of the thyroid gland hormone triiodothyronine (J. Gross, C. P. Leblond, 1950). 50th anniversary of the synthesis of carotene (P. Karrer, 1950).