1. Cov lus qhia rau kev siv ntawm tes kab lis kev cai tais diav
Petri cov tais diav feem ntau yog ua los ntawm iav los yog yas, thiab feem ntau yog siv los ua cov khoom siv sim rau kev cog cov kab mob los yog kab lis kev cai ntawm tes.Feem ntau, iav tais tuaj yeem siv rau cov khoom siv cog, kab lis kev cai microbial, thiab kab lis kev cai ntawm cov tsiaj txhu.Cov khoom siv yas tuaj yeem yog cov khoom siv polyethylene, uas yog tsim rau kev kuaj inoculation, scribing, thiab cov kab mob sib cais, thiab tuaj yeem siv rau kev cog qoob loo ntawm cov khoom cog.Petri cov tais diav yog qhov tsis yooj yim, yog li lawv yuav tsum tau saib xyuas thaum tu thiab siv.Tom qab siv, lawv yuav tsum tau muab ntxuav hauv lub sijhawm thiab khaws cia rau hauv qhov chaw nyab xeeb thiab ruaj khov.
2. Kev ntxuav ntawm Petri tais diav
1.) Soak: Soak tshiab los yog siv khob iav nrog dej huv kom soften thiab dissolve qhov txuas.Ua ntej siv cov iav tshiab, tsuas yog txhuam nws nrog cov kais dej, thiab tom qab ntawd tsau nws hauv 5% hydrochloric acid thaum hmo ntuj;Cov khoom siv iav feem ntau muaj ntau cov protein thiab roj, uas tsis yooj yim rau txhuam tawm tom qab ziab, yog li nws yuav tsum tau muab tso rau hauv dej huv tam sim ntawd tom qab siv txhuam hniav.
2.) Txhuam txhuam: muab cov khob iav ntim rau hauv dej ntxuav, thiab txhuam nrog txhuam txhuam.Tsis txhob tawm ntawm qhov chaw tuag thiab tiv thaiv kev puas tsuaj rau qhov chaw tiav ntawm cov ntim.Ntxuav thiab qhuav cov iav ntxuav kom qhuav.
3.) Pickling: Pickling yog tsau cov hlab ntsha saum toj no rau hauv cov tshuaj ntxuav, tseem hu ua kua qaub, kom tshem tawm cov khoom seem ntawm cov hlab ntsha los ntawm qhov muaj zog oxidation ntawm cov kua qaub.Pickling yuav tsum tsis pub tsawg tshaj li rau teev, feem ntau thaum hmo ntuj lossis ntev dua.Ceev faj thaum tso thiab noj cov tais diav.
4.) Rinsing: Cov hlab ntsha tom qab txhuam thiab pickling yuav tsum tau muab yaug nrog dej.Txawm hais tias cov hlab ntsha raug ntxuav kom huv tom qab pickling ncaj qha cuam tshuam rau kev vam meej ntawm cell kab lis kev cai.Rau phau ntawv ntxuav cov hlab ntsha, txhua lub nkoj yuav tsum tau "sau nrog dej - emptied" rau tsawg kawg 15 zaug, thiab thaum kawg soaked nrog re distilled dej rau 2-3 zaug, qhuav los yog qhuav, thiab ntim rau standby.
Post lub sij hawm: Sep-19-2022