I ahu mai tenei kete i runga i te hangarau immunochromatography whakataetae autaki, i whakataetae ai a Furantoin i roto i te tauira mo te karaehe koura colloid kua tapaina he antibody me te Furantoin hononga antigen i mau ki te raina whakamatautau. Ko te hua whakamatautau ka taea te maataki ma te kanohi tahanga.