Bioreactor Parameters |
R1
|
Inner wall radius |
0.75 |
cm |
* |
R2
|
Outer wall radius |
1.25 |
cm |
* |
L |
Scaffold length |
7.5 |
cm |
* |
|
Growth area of scaffold |
158.8 |
cm2
|
* |
|
Scaffold volume |
13.25 |
cm3
|
|
ε |
Voidage |
0.47 |
- |
* |
Φ |
Porosity |
0.47 |
- |
* |
A |
Surface area to volume ratio of the scaffold |
12.013 |
cm-1
|
* |
N |
Number of particles per volume of packed bed |
36 |
cm-3
|
* |
dp
|
Particle diameter (equivalent to a sphere) |
0.304 |
cm |
* |
Q |
Medium flow rate |
0.208 |
cm3/h |
* |
Wall Properties |
SPDMS
|
Solubility of oxygen in PDMS |
1.3 |
mM |
[36] |
DPDMS
|
Oxygen diffusion coefficient in PDMS |
5x10-5
|
cm2/s |
[23] |
Fluid Properties |
Sm |
Solubility of oxygen in medium |
0.2 |
mM |
* |
Cin,G |
Initial glucose concentration |
4.81 |
mM |
* |
Cin,L |
Initial lactate concentration |
1.63 |
mM |
* |
Dm,O |
Oxygen diffusion coefficient in medium |
3.290x10-5
|
cm2/s |
[23] |
Dm,G |
Glucose diffusion coefficient in medium |
5.4x10-6
|
cm2/s |
[37] |
Dm,L |
Lactate diffusion coefficient in medium |
1.1x10-5
|
cm2/s |
[38] |
ρ |
Density of water @ 37°C |
0.9933 |
g/cm3
|
[35] |
μ |
Viscosity of water @ 37°C |
0.00692 |
kg/(m•s) |
[35] |
Cell Properties |
Nmax
|
Maximum cell density |
23,000 |
cells/cm2
|
* |
Ni
|
Initial cell value |
12013 |
cells/cm3
|
* |
DN
|
Diffusion coefficient for cell movement |
1.38x10-10
|
cm2/s |
[39] |
Vmax,O
|
Maximum uptake rate of oxygen |
100 |
fmol/h/cell |
[40] |
Vmax,G
|
Maximum uptake rate of glucose |
272 |
fmol/h/cell |
[40] |
YL/G
|
Yield of lactate from glucose |
2.0 |
- |
[15] |
Km,O
|
Michaelis-Menten constant for oxygen uptake |
4.05x10-9
|
mol/cm3
|
[41] |
Km,G
|
Michaelis-Menten constant for glucose uptake |
3.5x10-7
|
mol/cm3
|
[42] |
Kmax
|
Max growth rate |
0.02631 |
hr-1
|
* |
KO
|
Oxygen Michaelis-Menten growth constant |
0.001 |
mM |
[43] |
KG
|
Glucose Michaelis-Menten growth constant |
0.006 |
mM |
[43] |
KL
|
Lactate Michaelis-Menten growth constant |
43 |
mM |
[15] |