Isakhelo sesi sixhobo senziwe ngentsimbi .Imodeli yayo intle, kwaye ineIzibonelelo zomthamo omncinci, ubunzima obuphantsi, umthamo omkhulu, ingxolo ephantsi, ukusebenza kakuhle kunyenjalo njalo. Ingasetyenziselwa kwizibhedlele kunye neelebhu ze-biochemical ukuhlalutya okusemgangathwenii-serum, i-urea kunye ne-plasma.