INDEX. 



ACETONE, from oxidation of proteins, 60. 



Acid and basic functions of proteins, 3-6, 39. 



Acidity of filtrates, after precipitation of 

 proteins in presence of acids, 46, 47. 



Acids and alkalis, influence on coagulation 

 of proteins, 22. 



Aleurone grains, 18. 



Amide-nitrogen, 34. 



Amino-index of proteins, 6, 67. 



Ammonium sulphate as albumin precipi- 

 tant, 9. 



BIOLOGICAL methods for investigating pro- 

 teins, 71-77. 

 Biuret reaction, 30. 

 Blood precipitins, 71. 

 Bromine derivatives of proteins, 62, 63. 



CARBOHYDRATE group in proteins, 31. 

 Caseinogen, salt formation of, 50, 51. 

 Chemical characterisation of proteins, 6. 



composition of proteins, 32. 

 Chlorine derivatives of proteins, 61, 62. 

 Chromo-proteins, 33. 



Colloids, i. 



Colour reactions of proteins, 31. 



Complement removing action, 76. 



Concentration cells, use of, in investigating 

 salt formation of proteins, 39. 



Copper compounds of proteins, 56. 



Cryoscopic methods for determining mole- 

 cular weight, 24. 



Crystallisation of proteins, 16-21. 



Cystine factor of proteins, 6, 36. 



DENIS, protein investigations of, i. 

 Depression of freezing-point by proteins, 

 24. 



EDESTIN, preparation of, 19. 



salt formation of, 47-50. 

 Egg-albumin, crystallisation of, 19. 



salt formation of, 40-42. 



Electrolytic conductivity of proteins, 26, 

 39, 40-42. 



FORMALDEHYDE, action on proteins, 69, 70. 

 Fractional filtration of proteins, 28. 



precipitation of proteins, 8-15. 

 Freezing-point of protein solutions, 24, 39, 



44. 



GLOBULINS, 9. 



Glyco-proteins, 31, 33. 



" Gold number " of proteins, 27. 



Gorgonin, 38. 



Gum-mastic, precipitant of proteins, 17. 



HAEMOGLOBIN, crystallisation of, 21. 

 Halogens, action on proteins, 61-67. 



content in protein, 37. 



protein derivatives, 6. 

 Heat-coagulation temperature of proteins, 



21-24. 

 Heavy metals, precipitation of proteins by 



salts of, 56-58. 

 Humin nitrogen, 34. 

 Hydrolysis of cane-sugar and methyl acetate 



in presence of proteins, 39, 42-44. 



INORGANIC solvents of proteins, 18. 

 Iodine derivatives of proteins, 63, 64. 

 lodoproteins (natural), 37. 

 Isolation of proteins, i. 



KYROPROTEIC acid, 59. 

 LIEBIG'S views on proteins, 2. 



MAGNESIUM sulphate as globulin pre- 

 cipitant, 9. 

 Milk, separation of protein constituents of, 



9- 



Mulder's views on proteins, 2. 

 Myosins, 9. 



NITROGEN content and distribution in pro- 

 teins, 32-36. 



Nitrous acid, action on proteins, 67. 

 Nucleo-proteins, 33. 



OPTICAL rotation of proteins, 24. 

 Organic solvents of proteins, 16. 

 Osmometers, 26. 



Osmotic pressure of proteins, direct deter- 

 mination of, 25. 

 Oxaluramide from proteins, 60. 

 Oxidation of proteins by hydrogen per- 

 oxide and ozone, 60. 



by nitric acid, 61. 



by permanganate, 59. 



Oxyprotein, 60. 

 Oxyprotosulphuric acid, 59. 



PEPTONES, precipitation of by salts, 9. 

 Peroxyproteic acid, 59. 

 Phosphorus content of proteins, 37. 

 Polypeptides, 3. 

 Precipitants of proteins, 30. 

 Precipitin reaction, 71-76. 

 Prosthetic groups, 3, 32. 

 Protamines, 32, 33, 39. 

 Proteoses from Witte's peptone, n. 

 Pseudo-acids and bases, proteins considered 

 as, 55, 56. 



