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absorption added albumin alkaline amino amino-acids ammonia amount Amyl alcohol analysis animal arginine bile Biol blood boiling bromine casein cells cent Chem chloride chloroform cholesterol Clotting concentration containing determined diet digestion diluted distilled water estimated ether excretion experiments extract figures filtered filtrate flask gliadin glucose glycocoll grams hydrochloric acid hydrogen ion hydrolysis increase indol indolacetic acid indolaceturic ingestion injection intestine iodine Jour kidney kilo kynurenic acid liver lymph lysine metabolism method minutes mixture muscle nitrogen non-protein normal obtained oxalic oxidation peptone phenol phosphotungstic phosphotungstic acid Physiol pigment poison potassium precipitate present production protein proteoses quantity racemized reagent Received for publication salt sample serum skatol Slyke sodium soluble solution stomach substance Sudan III sugar sulphate sulphuric acid surface tension TABLE thyroid tion tissue total nitrogen toxic tryptophane tt tt tt tube uric acid urine urorosein weight Ztschr
Page 471 - (From the Sheffield Laboratory of Physiological Chemistry, Yale University, New Haven.) (Received for publication, July 27, 1915.) Vaughan ('13) and his coworkers have shown that a very toxic body can be prepared by digesting any true protein with an alcoholic solution of sodium hydroxide. Evidences of toxicity of this substance of Vaughan's were yielded by subcutaneous injections into guinea pigs. The
Page 295 - (From the George Williams Hooper Foundation for Medical Research, University of California, San Francisco,) (Received for publication,
Page 241 - AND ALFRED J. WAKEMAN. (From the Laboratory of the Connecticut Agricultural Experiment Station and the Sheffield Laboratory of Physiological Chemistry in
Page 329 - The amount of sugar present in normal human urine is therefore probably much greater than is indicated by the negative findings recorded on the basis of the clinical qualitative tests for sugar in current use.
Page 139 - and placed in the nephelometer with the standard tube always on the same side. The movable jacket on the standard tube is set at a convenient point
Page 280 - and lysine, and comparatively little ammonia and non-amino nitrogen. In its general amino-acid make-up it more nearly resembles the majority of the proteins of animal tissues than do the proteins of maize or wheat. This may explain the extensive use of rice as an almost exclusive diet in spite of its low protein content.
Page 139 - comparisons are made by adjusting the jacket on the test solution until the images of the two solutions show equal illumination. Not less than five readings are taken, alternately from
Page 242 - available foodstuffs by so combining them that any nutritive deficiencies of the proteins of one food might be supplemented by proper combinations with another has heretofore generally escaped notice. Our previous papers have shown the favorable results obtained by feeding certain proportions and combinations of proteins to
Page 308 - of the titration. For those who have not had much experience it may be advisable to dilute the solution to a definite volume (after adding the hydrochloric acid), then to filter, and to titrate a portion of the filtrate as recommended by Sutton; with a little