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. Author manuscript; available in PMC: 2014 May 5.
Published in final edited form as: J Theor Biol. 2011 Jan 19;274(1):97–102. doi: 10.1016/j.jtbi.2011.01.012

Table 1.

The parameters in our model.

Parameter Description Value Taken Reference
A The maximum rate of proliferation of cancerous cells 1.4 × 10−6 s−1 Grote et al. (1977)
B The maximum rate of necrosis of cells 2.1 × 10−6 s−1 A posteriori estimation
Ĉm The non-dimensional critical oxygen concentration in Michaelis-Menten proliferation kinetics 0.1 A posteriori estimation
Ĉd The non-dimensional critical oxygen concentration in Michaelis-Menten based necrosis kinetics 0.1 A posteriori estimation
σ A parameter in the cell necrosis kinetic 0.9 A posteriori estimation
α The rate at which proliferating cells become quiescent outside the proliferating rim 1.4 × 10−6 s−1 A posteriori estimation
β The rate at which quiescent cells become proliferative inside the proliferating rim 1.4 × 10−6 s−1 A posteriori estimation
R The width of the proliferating rim 80 µm LaRue et al. (2004); Casciari et al. (1992); Buckley et al. (1999)
ν The rate of linear decay of necrotic cells 2.8 × 10−7 s−1 A posteriori estimation
λ The ratio of the rate of proliferation of non-cancerous cells to cancerous cells 0.3 See text
VL The mean volume of a live cell 3 × 10−9 cm3 Landry et al. (1981, 1982)
VN The mean volume of a necrotic cell 1.5 × 10−9 cm3 Landry et al. (1981, 1982)
𝒱 The cell volume fraction 0.66 Buckley et al. (1999)
D The diffusion coefficient of oxygen 2 × 10−5 cm2 s−1 Grote et al. (1977); Hlatky and Alpen (1985)