150uL Fanye na mandrel ime na polymer ụkwụ, 29 * 5mm; dabara maka ND8 Vials. Ihe ntinye iko nwere ụkwụ polymer. Conical nwere nkenke ime ime mandrel, 150 ¦Ìl. Dochie maka ntinye, 150uL nwere mmiri dị n'okpuru ebe a na-eji vials 2ml.