Archive image from page 236 of Defensive ferments of the animal. Defensive ferments of the animal organism against substances out of harmony with the body, the blood-plasma and the cells; their demonstration, and their diagnostic significance for testing the functions of different organs defensiveferment00abde Year: 1914 STANDARDIZATION OF PEPTONES from the other, as decomposition begins, and manifests itself for a certainty, only after about six hours. Readings should not be followed up for more than thirty-six to thirty-eight hours. Great progress would be made, if the reading of angles of


Archive image from page 236 of Defensive ferments of the animal. Defensive ferments of the animal organism against substances out of harmony with the body, the blood-plasma and the cells; their demonstration, and their diagnostic significance for testing the functions of different organs defensiveferment00abde Year: 1914 STANDARDIZATION OF PEPTONES from the other, as decomposition begins, and manifests itself for a certainty, only after about six hours. Readings should not be followed up for more than thirty-six to thirty-eight hours. Great progress would be made, if the reading of angles of rotation could be taken by means of some kind of automatic device. Objective values could be obtained, and we should be in a position to follow FIG. ii. up details which, during the long intervals between readings, at present escape observation. Experi- ments in this direction, with the collaboration of Dr. Wildermuth, are in progress. To obviate the cooling of the polariscopic tubes, during polarization, tubes have been constructed with water jackets (fig. n). Lately, an electric heating apparatus2; has been added to the polariscope itself. 23 Emil Abderhalden : ' Ueber eine mit Polarisations- apparat kombinierte elektrisch heizbare Vorrichtung zur Ablesung und Beobachtung des Drehungsvermogens bei konstanter Temperatur. Zeitschr. f. physiol. Chem., 84, 300 (1913).


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