The fractionation of phosphate esters on ion-exchange resin by a new system of pH-gradient elution.

Chargaff, E. & Cohen, S. S. (1939). J. biol. Chem. 129, 619. Dawson, R. M. C. & Elliott, W. H. (1959). In Data for Biochemical Re8earch, p. 192. Ed. by Dawson, R. M. C., Elliott, D. C., Elliott, W. H. & Jones, K. M. Oxford: Clarendon Press. Fairbairn, D. (1945). J. biol. Chem. 157, 633. Folch, J., Lees, M. & Sloane-Stanley, G. H. (1957). J. biol. Chem. 226, 497. Gomori, G. (1955). In Methods in Enzymology, vol. 1, p. 143. Ed. by Colowick, S. P. & Kaplan, N. 0. New York: Academic Press Inc. Habermann, E. (1957). Biochem. Z. 328, 474. Hanahan, D. J. (1952). J. biol. Chem. 195, 199. Hanahan, D. J., Rodbell, M. & Turner, L. D. (1954). J. biol. Chem. 206, 431. Hayaishi, 0. & Kornberg, A. (1954). J. biol. Chem. 206,647. Hughes, A. (1935). Biochem. J. 29, 437. Kates, M. & Gorham, P. R. (1957). Canad. J. Biochem. Phy8iol. 35, 119. Laidler, K. J. (1955). Tranm. Faraday Soc. 51, 550. Levene, P. A. & Rolf, I. P. (1923). J. biol. Chem. 55, 743. Levene, P. A., Rolf, I. P. & Simms, H. S. (1924). J. biol. Chem. 58, 859. Lineweaver, H. & Burk, D. (1934). J. Amer. chem. Soc. 56, 658. Long, C. & Penny, I. F. (1957). Biochem. J. 65, 382. Rapport, M. M. & Franzl, R. E. (1957). J. biol. Chem. 225, 851. Rezek, A. (1945). Vet. Arhiv, 15, 161. Rhodes, D. N. & Lea, C. H. (1957). Biochem. J. 65, 526. Rimon, A. & Shapiro, B. (1959). Biochem. J. 71, 620. Stern, I. & Shapiro, B. (1953). Brit. J. clin. Path. 6, 158. Zamecnik, P. C., Brewster, L. E. & Lipmann, F. (1947). J. exp. Med. 85, 381. Zeller, E. A. (1950). In The Enzymne8, vol. 1, p. 988. Ed. by Sumner, J. B. & Myrback, K. New York: Academic Press Inc.