102 E. G. P I C K E L S 



24. Lamm, 0., Nova Acta Regiae Soc. Sci. Upsaliensis, 4, 10 (1937) (scale 



method) . 



25. Kegeles, G., and L. J. Gosting, /. A?m. Chem. Soc, 69, 2516 (1917) (in- 



terference method for diffusion). 



26. Svensson, H., Nature, 161, 234 (1948) (scale method with shortened opti- 



cal system). 



REPRESENTATIVE STUDIES OF PROTEINS, CARBOHYDRATES, ETC. 



27. Pedersen, K. 0., Z. physik. Chem., A170, 41 (1934) (ultracentrifugation 



of inorganic salts). 



28. Pedersen, K. O., Ultracentrifugal Studies on Serum and Serum Fractions. 



Almqvist and Wiksells, Upsala, 1945 (serum proteins). 



29. Brosteaux, J., and I. B. Eriksson-Quensel, Arch. phys. hioh, 12, No. 4 



(1935) (effects of desiccation). 



30. Smith, E. L., and E. G. Pickels, Proc. Nail. Acad. Sci. U. S., 26, 272 



(1940) (detergents). 



31. Svedberg, T., and N. Gralen, Nature, 142, 261 (1938) (carbohydrates). 



32. Brohult, S., Nature, 140, 805 (1937) (splitting of hemocyanin). 



33. Brohult, S., and S. Claesson, Nature, 144, 111 (1939) (dissociation of 



hemocyanin). 



34. Brohult, S., Nova Acta Regiae Soc. Sci. Upsaliensis, 12, 1 (1940) (hemo- 



cyanin) . 



35. Deutsch, H. F., /. Biol. Chem., 169, 437 (1947) (whey proteins). 



36. Gralen, N., J. Colloid Sci., 1, 453 (1946) (lignin). 



37. Lundgren, H. P., /. Biol. Chem., 138, 293 (1941) (effect of papain on 



thyroglobulin). 



38. Pedersen, K. 0., Proc. Roy. Soc. London, B127, 20 (1939) (interaction of 



proteins). 



39. Pedersen, K. 0., /. Phys. & Colloid Chem., 51, 164 (1947) (fetuin). 



40. Pickels, E. G., and R. S. Anderson, J. Gen. Physiol, 30, S3 (1946) (effect 



of X rays on hemocyanin) . 



41 . Rothen, A., J. Gen. Physiol, 24, 203 (1940) (ribonuclease). 



42. Rothen, A., /. Biol. Chem., 152, 679 (1944) (ferritin). 



43. Sanigar, E. B., L. E. Krejci, and E. O. Kraemer, Biochem. J., 33, 1 



(1939) (effect of X rays on serum albumin). 



44. Sharp, D. G., A. R. Taylor, H. Finkelstein, and J. W. Beard, Proc. Soc. 



Exptl Biol. Med., 42, 459 (1939) (normal tissue components). 



45. Signer, R., Trans. Faraday Soc, 32, 296 (1936) (polystyrenes). 



46. Smith, E. L., J. Biol Chem., 164, 345 (1946) (immune globulins). 



47 . Smith, E. L., J. Biol. Chem., 165, 665 (1946) (immune lactoglobulins 



from whey). 



48. Stern, K. G., and R. W. G. Wyckoff, J. Biol Chem., 124, 573 (1938) 



(catalase). 



