Pipette cov lus qhia yog ib qho chaw kuaj uas siv tau hauv cov chaw sim. Feem ntau muaj ntau yam uas cuam tshuam rau cov lus qhia pipette. Hnub no kuv yuav qhia koj qee yam tseem ceeb dua.
1. Khoom siv
Tam sim no, nqus cov lus qhia ntawm kev ua lag luam yog tsim los ntawm cov yas polypropylene (cov yas tsis muaj xim thiab pob tshab nrog cov tshuaj lom neeg tsis zoo thiab kev ua haujlwm kub ntau). Cov lus qhia zoo tshaj plaws feem ntau yog ua los ntawm ntuj polypropylene, thaum cov lus qhia pheej yig dua yuav ua los ntawm cov yas rov siv dua polypropylene.
2. Cov tshuaj ntxiv
Tsis tas li ntawd, cov lus qhia feem ntau kuj ntxiv me me ntawm cov khoom ntxiv thaum lub sijhawm tsim khoom.
Cov feem ntau muaj xws li: a. Cov ntaub ntawv tsim cov xim, siv rau cov lus qhia xiav thiab daj; b. Additives los pab cov lus qhia sai sai tshem tawm ntawm cov pwm tom qab tsim; c. Additives rau kho qhov chaw ntawm cov lus qhia uas tsis muaj adsorption.
Qhov ntau additives muaj, qhov ntau dua qhov tshwm sim ntawm cov tshuaj tsis haum tshuaj tshwm sim tshwm sim thaum lub raj xa dej. Txawm li cas los xij, qhov tsis muaj additives xav tau cov txheej txheem ntau lawm, uas ob peb lub tuam txhab tuaj yeem ua tiav.
3. Kev kis kab mob lom
Ntau thiab ntau tus neeg siv yuav xav kom cov lus qhia tsis pub muaj RNase, DNase, pyrogen thiab ATP paug, thiab tsis muaj endotoxin. Txawm li cas los xij, cov lus qhia kub kom tsis muaj menyuam tsis tuaj yeem lav qhov tsis muaj cov kab mob lom. Txhawm rau kom tsis txhob muaj kab mob lom, cov kauj ruam xws li kev kho gamma ray yuav tsum tau ua. Yog li ntawd, nws yuav luag tsis yooj yim sua rau cov neeg siv los ua cov lus qhia zoo tib yam rau hauv cov lus qhia tsis pub muaj biocontamination lawv tus kheej, thiab cov lus qhia hauv lub thawv uas tsis muaj biocontamination yuav tsum muab cov ntawv pov thawj uas qhia txog cov ntaub ntawv ntsuas ntawm cov khoom sib xws.