Table 2.

Astrocytic network parameters Ullah et al. (2006).

Parameter	Parameter description	Value
M × N	Astrocytic network grid size	26 × 26
c0	Total Ca2+ in terms of cytosolic vol	2.0 μM
c1	(ER vol)/(cytosolic vol)	0.185
v1	Max Ca2+ channel flux	6 s−1
v2	Ca2+ leak flux constant	0.11 s−1
v3	Max Ca2+ uptake	2.2 μM s−1
v6	Maximum rate of activation-dependent calcium influx	0.2 μM s−1
k1	Rate constant of calcium extrusion	0.5 s−1
k2	Half-saturation constant for agonist-dependent calcium entry	1 μM
k3	Activation constant for ATP-Ca2+ pump	0.1 μM
d1	Dissociation constant for IP3	0.13 μM
d2	Dissociation constant for Ca2+ inhibition	1.049 μM
d3	Receptor dissociation constant for IP3	943.4 nM
d5	Ca2+ activation constant	82 nM
α		0.8
v4	Max rate of IP3 production	0.3 μM s−1
1/τr	Rate constant for loss of IP3	0.14 s−1
${I{P}_3}^{*}$	Steady state concentration of IP3	0.16 μM
k4	Dissociation constant for Ca2+ stimulation of IP3 production	1.1 μM
dCa	Ca2+ diffusion rate	0.05 s−1
dIP3	IP3 diffusion rate	0.1 s−1