Ikhithi iyasebenza ekwelashweni kwangaphambili kwesampula okufanele ihlolwe, ukuze kube lula ukusetshenziswa kwama-in vitro diagnostic reagents noma amathuluzi okuhlola umhlaziyi.I-reagent icwecwe kahle isampula ngaphansi kokugxilwa kwe-ion kasawoti ethile kanye nezimo ze-pH, bese ngaphansi kwesenzo sama-ionic surfactants, iphrotheni ikhishwa futhi i-nucleic acid iyakhululwa.