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Simultaneous Consideration of Tissue and Substrate Potassium Concentration in K+ Uptake Kinetics: A Model
Author(s) -
M. Yaeesh Siddiqi,
Anthony D. M. Glass
Publication year - 1982
Publication title -
plant physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.69.1.283
Subject(s) - substrate (aquarium) , kinetics , potassium , ion , chemistry , biological system , biology , physics , ecology , organic chemistry , quantum mechanics
The importance of the simultaneous consideration of tissue and substrate concentration in the estimation of ion uptake is discussed. An elaboration of the model of ion uptake, originally proposed by E. Epstein, is developed. The modified model takes both tissue and substrate ion concentration into account and uses true constants in the estimation of uptake. A test case-K(+) uptake by a barley cultivar-has been presented to show the working of the model. The relevance of the modified model is also pointed out.

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