568 ISOTOPIC TRACERS AND NUCLEAR RADIATIONS [Chap. 30 



C 116 Olsen, N. S., A. Hemingway, and A. O. Nier: The metabolism of glycine. I. 

 Studies with the stable isotope of carbon, /. Biol. Chem., 148, 611-618 (1943). 



C 117 Overstreet, R., S. Ruben, and T. C. Broyer: The absorption of bicarbonate 

 ion by barley plants as indicated by studies with radioactive carbon, Proc. Natl. 

 Acad. Sci. U.S., 26, 688-695 (1940). 



C 118 Rabideatj, G. S., and G. O. Burr: The use of the C 13 isotope as a tracer for trans- 

 port studies in plants, Am. J. Botany, 32, 349-356 (1945). 



C 119 Rittenberg, D., and K. Bloch: The utilization of acetic acid for fatty acid syn- 

 thesis, /. Biol. Chem., 154, 311-312 (1944). 



C 120 Rittenberg, D., and K. Bloch: Some biological reactions of acetic acid, J. Biol. 

 Chem., 157, 749-750 (1945). 



C 121 Rittenberg, D., and K. Bloch: The utilization of acetic acid for the synthesis 

 of fatty acids, J. Biol. Chem., 160, 417-424 (1945). 



C 122 Rittenberg, D., and D. Shemin: Isotope technique in the study of intermediary 

 metabolism, in "Currents in Biochemical Research," D. E. Green, ed., Chap. 17, 

 pp. 261-276, Interscience Publishers, Inc., New York, 1946. 



C 123 Rittenberg, D., and H. Waelsch: The source of carbon for urea formation, /. 

 Biol. Chem., 136, 799-800 (1940). 



C 124 Ruben, S., W. Z. Hassid, and M. D. Kamen: Radioactive carbon in the study 

 of photosynthesis, /. Am. Chem. Soc, 61, 661-663 (1939). 



C 125 Ruben, S., and M. D. Kamen: Radioactive carbon in the study of respiration 

 in heterotrophic systems, Proc. Natl. Acad. Sci. U.S., 26, 418-422 (1940). 



C 126 Ruben, S., and M. D. Kamen: Photosynthesis with radioactive carbon. IV. 

 Molecular weight of the intermediate products and a tentative theory of photo- 

 synthesis, /. Am. Chem. Soc, 62, 3451-3455 (1940). 



C 127 Ruben, S., and M. D. Kamen: Production and properties of long-lived carbon, 

 /. Applied Phys., 12, 311-312 (1941). 



C 128 Ruben, S., and M. D. Kamen: Non-photochemical reduction of CO2 by biological 

 systems, /. Applied Phys., 12, 321-322 (1941). 



C 129 Ruben, S., M. D. Kamen, and W. Z. Hassid: Photosynthesis with radioactive 

 carbon. II. Chemical properties of the intermediates, /. Am. Chem. Soc, 62, 

 3443-3450 (1940). 



C 130 Ruben, S., M. D. Kamen, W. Z. Hassid, and D. C. DeVault: Photosynthesis 

 with radio-carbon, Science, 90, 570-571 (1939). 



C 131 Ruben, S., M. D. Kamen, and L. H. Perry: Photosynthesis with radioactive 

 carbon. III. Ultracentrifugation of intermediate products, /. Am. Chem. Soc, 

 62, 3450-3451 (1940). 



C 132 Sakami, W., W. E. Evans, and S. Gurin: Methods of synthesis of organic com- 

 pounds labeled with C 13 . I. Acetate, acetoacetate, pyruvate and glycine, /. Am. 

 Chem. Soc. 69, 1110(1947). 



C 133 Schlamowitz, M., and D. M. Greenberg: On the mechanism of enzymatic con- 

 version of glucose-1-phosphate to glucose-6-phosphate, /. Biol. Chem., 171, 293-295 

 (1947). 



C 134 Shemin, D.: The biological conversion of /-serine to glycine, / Biol. Chem., 162, 

 297-307 (1946). 



C 135 Slade, H. G., and C. H. Werkman: The mechanism of anaerobic citrate dissimi- 

 lation by cell suspensions of Streptococcus paracitroverus, J . Bad., 41, 19-20 (1941). 



C 136 Slade, H. D., and C. H. Werkman: Bacterial assimilation of acetic and succinic 

 acids containing heavy carbon by Aerobacter indologenes, Proc. Soc. Exptl. Biol. 

 Med., 51, 65-66 (1942). 



