Njira yotolera yanzeru yamagazi imagwira ntchito mkati mwa dongosolo lotsekedwa, pogwiritsa ntchito pampu wamagazi kuti mutole magazi athunthu mu kapu ya centrifuge. Pogwiritsa ntchito miyeso yosiyanasiyana yamagazi, centrufuge chikho chimathamanga kwambiri kuti alekanitse magazi, ndikupanga plasma yapamwamba pomwe zinthu zina mwa magazi zimatsimikiziridwa ndi zopereka.
Kabwino, wopepuka, komanso wosunthika, ndi wabwino kwa malo ophatikizika ndi ma plasma ndi chopereka mafoni. Kulondola kwenikweni kwa anticoagulants kumakulitsa zokolola za magazi ogwira mtima. Mapangidwe owoneka kumbuyo amaonetsetsa kuti kusonkhanitsa kwa plasma, ndipo kuzindikira kokha kwa matumba a anticoagulant kumalepheretsa chiwopsezo cha kuyika kolakwika kwa thumba. Dongosolo limakhalanso ndi maumboni omwe amapezeka kuti awonetsetse kuti atetezedwe.
ASFA - Zizindikiro zosinthana ndi plasma zimaphatikizapo Soxicorosis, hemolytic urempome, Hilglogulinemia, Mrychouctic Mapulogalamu a ku Enemia, ndi zina.