References
Bayliss, W. M., Principles of general Physiology. London 1924.
Clark, W. M., The Determination of Hydrogen Ions. Baltimore 1922.
Cocking, T. T., pH Values. B. D. H. pamphlet.
Cohn, E. J., Gross, J. andJohnson, O. C., The Isoelectric Points of the Proteins in certain Vegetable Juices. Journ. of Gen. Physiol. II, p. 145, 1919.
Dixon, H. H. andAtkins, W. R. G., Osmotic pressures in plants—Methods of extracting sap from plant organs. Sci. Proc. Roy. Dublin Soc. XIII, p. 423, 1913.
Gustafson, F. G., Total acidity compared with actual acidity of plant juices. Amer. Journ. of Bot. XI, p. 365, 1924.
Haas, A. R. C., Studies on the reaction of plant juices. Soil Sci. IX, No. 5, 1920.
Hempel, J., Buffer processes in the metabolism of succulent plants. C. R. du lab. Carlsberg XIII, p. 1.
Heyne, B., On the deoxidation of the leaves ofCotyledon calycinum. Trans. Linn. Soc. XI, p. 213, 1813.
Hoagland, D. R. H. andDavis, A. R., The composition of the cell sap of the plant in relation to the absorption of ions. Journ. of Gen. Physiol. V, p. 629, 1923.
Hurd-Karrer, A. M., Changes in the buffer system of the wheat plant during its development. Plant Physiol. III, p. 131.
Kolthoff, I. M., Indicators. (Engl. trans.) New York 1926.
Mac Dougal, T. D. andMoravek, V., The activities of a constructed colloidal cell. Protoplasma II, p. 161, 1927.
Magness, J. R., Composition of gases in intercellular spaces of apples and potatoes. Bot. Gaz., p. 308, 1920.
Martin, S. H., The buffer of Sunflower hypocotyl. Protoplasma I, p. 522, 1927.
—, The buffers of Sunflower stem and root. Protoplasma III, p. 273, 1928.
—, The buffers of the Bean stem and root. Protoplasma III, p. 282, 1928.
Milroy, J. A. and T. H., Practical Physiological Chemistry. London 1921.
Osborne, T. B., The vegetable proteins. London 1924.
Pringsheim, H., Nachweis und Bestimmung der biologisch wichtigen Säuren. Handbuch der biologischen Arbeitsmethoden II, p. 20, 1910.
Rohde, K., Untersuchungen über den Einfluß der freien H-Ionen im Innern lebender Zellen auf den Vorgang der vitalen Färbung. Pflügers Archiv f. d. gesamte Physiol. 1917.
Sayre, J. D., Physiology of stomata ofRumex patientia. Ohio, Journ. Sci. XXVI, p. 233, 1926 (ex Biological Abstracts No. 8817).
Scarth, G. W., Stomatal movement: its regulation and regulatory rôle. Protoplasma II, p. 498, 1927.
Tibbles, W., Foods. London 1912.
Youden, W. J. andDenny, F. E., Factors influencing the pH equilibrium known as the isoelectric point of plant tissue. Amer. Journ. of Bot. XIII, p. 743, 1926.
Author information
Authors and Affiliations
Additional information
In conclusion the writer wishes to thank Professor SMALL for encouragement, criticism and advice during the work.
Rights and permissions
About this article
Cite this article
Ingold, C.T. The hydrion concentration of plant tissues. Protoplasma 6, 51–69 (1929). https://doi.org/10.1007/BF01604804
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01604804