150uL Faka nge-mandrel ingaphakathi nezinyawo ze-polymer, 29 * 5mm; amasudi ND8 Izitsha. Ukufakwa kwengilazi ngezinyawo ze-polymer. I-Conical ene-mandrel eyakhiwe ngokunemba, i-150 ¦Ìl. Ifaka esikhundleni Sokufaka, 150uL ngentwasahlobo engezansi, esetshenziswa nezitsha ezingu-2mL.