. 2013 May 8;162(2):1142–1152. doi: 10.1104/pp.113.217737

Table III. Model notation.

Boldface symbols denote concentration vectors: c = [C¹⁶O₂; C¹⁶O¹⁸O; C¹⁸O₂]; b = [HC¹⁶O₃⁻; HC¹⁶O₂¹⁸O⁻; HC¹⁶O¹⁸O₂⁻; HC¹⁸O₃⁻].

Symbol	Definition	Units	Source/Method Reference
c_e	Concentration of ¹⁸O-CO₂ species in the bulk solution	mol cm⁻³	MIMS measurement
c_s	Concentration of ¹⁸O-CO₂ species in the surface boundary layer	mol cm⁻³	Modeled
c_i	Concentration of ¹⁸O-CO₂ species inside the cell	mol cm⁻³	Modeled
b_e	Concentration of ¹⁸O-HCO₃⁻ species in the bulk solution	mol cm⁻³	Modeled
b_s	Concentration of ¹⁸O-HCO₃⁻ species in the surface boundary layer	mol cm⁻³	Modeled
b_i	Concentration of ¹⁸O-HCO₃⁻ species inside the cell	mol cm⁻³	Modeled
k_uf	Uncatalyzed CO₂ hydration rate constant	s⁻¹	Background ¹⁸O removal rate
k_ur	Uncatalyzed HCO₃⁻ dehydration rate constant	s⁻¹	Background ¹⁸O removal rate
k_sf	eCA-catalyzed CO₂ hydration rate constant	cm³ s⁻¹	eCA assay (this study)
k_sr	eCA-catalyzed HCO₃⁻ dehydration rate constant	cm³ s⁻¹	eCA assay (this study)
k_cf	iCA-catalyzed CO₂ hydration rate constant	s⁻¹	iCA assay (Tu et al., 1978)
k_cr	iCA-catalyzed HCO₃⁻ dehydration rate constant	s⁻¹	iCA assay (Tu et al., 1978)
f_c-BL	Boundary-layer mass transfer coefficient for CO₂	cm³ s⁻¹	iCA assay (Tu et al., 1978)
f_b-BL	Boundary-layer mass transfer coefficient for HCO₃⁻	cm³ s⁻¹	iCA assay (Tu et al., 1978)
f_c-M	Membrane mass transfer coefficient for CO₂	cm³ s⁻¹	iCA assay (Hopkinson et al., 2011)
f_b-M	Membrane mass transfer coefficient for HCO₃⁻	cm³ s⁻¹	iCA assay (Hopkinson et al., 2011)
N	Number of cells in the assay chamber	–	Coulter Counter measurement
V_e	Bulk solution volume	cm³	Measured
V_s	Surface layer volume	cm³	Imposed, 8 × 10⁻¹² cm³
V_i	Intracellular volume	cm³	Coulter Counter measurement
G	Stoichiometric matrix describing the hydration of CO₂ species to HCO₃⁻	–	Hopkinson et al. (2011)
H	Stoichiometric matrix describing the dehydration of HCO₃⁻ species to CO₂	–	Hopkinson et al. (2011)