| |
|
|
|
| pulsation |
almost none
(only initial pulse)
|
pulsation via drive shaft
|
almost none
(only during valve activation)
|
| circulating flow |
possible, but only with push and pull pumps
|
unlimited
|
unlimited
|
| unidirectional flow |
possible, but volume limited
|
possible, but volume limited
|
possible, volume unlimited
|
| oscillating flow |
not possible
|
not possible
|
possible
|
| long term studies |
only with push and pull pumps
|
possible
|
possible
|
| mechanical stress for non-attached cells in medium |
almost none
|
strong
|
almost none
|
| combination with microscopy |
excellent
|
difficult due to pulsation
|
excellent
|
| flow velocity |
volume limited
|
unlimited
|
unlimited
|
| parallelization |
possible
|
possible
|
possible
|
| set up in the incubator |
difficult
|
difficult
|
easy
|
| required volume |
limiting factor
|
small
|
small
|
| programmable |
yes, but only with special research versions
|
yes, but only with special research versions
|
yes
|
