List of Abbreviations
TFF Tangential Flow Filtration
ATF Alternating Tangential Flow Filtration
TMP Transmembrane Pressure
rTFF Reverse Tangential Flow Filtration
HPTFF High Performance Tangential Flow Filtration
scTFF Stepping Co-current Tangential Flow Filtration
PTR1-2 Pressure Transmitter in retentate loop
PTF1-2 Pressure Transmitter in filtrate loop
PTA1-5 Additional Pressure Transmitter on filtrate side
of hollow fiber filter
PTAB1-5 Additional Pressure Transmitter on backside of
filtrate side of hollow fiber filter
FSR Flow Sensor in retentate loop
FSF Flow Sensor in filtrate loop
CDR1-2 Centrifugal Discharge Pump in retentate loop
CDF Centrifugal Discharge Pump in filtrate loop
PPH Peristaltic Pump in harvest line
VCV Viable Cell Volume
VCD Viable Cell Density