Introduction
Petri tais diav yog cov cuab yeej tseem ceeb hauv ntiaj teb ntawm microbiology, kev tshawb fawb, thiab kev kawm txuj ci. Lawv txoj kev yooj yim thiab kev siv tau ua rau lawv tseem tsis tau muaj nyob hauv chav kuaj thoob ntiaj teb. Txawm hais tias koj yog ib tug kws tshawb fawb los yog cov tub ntxhais kawm xav paub, kev nkag siab tag nrho ntawm Petri cov tais diav tuaj yeem txhim kho koj txoj kev sim siab. Cov lus qhia dav dav no yuav teb tag nrho koj cov lus nug thiab muab kev nkag siab zoo rau ntau yam ntawm Petri tais diav.
Petri Dish yog dab tsi?
Ib lub tais Petri, muaj npe tom qab German bacteriologist Julius Richard Petri, yog ib qho ntiav, cylindrical, lidded daim. Laboratory iav ua los ntawm iav los yog yas ntshiab. Cov tais diav no feem ntau yog siv rau kab lis kev cai hlwb, kab mob, thiab lwm yam kab mob. Lawv cov qauv tsim tso cai rau qhov chaw tswj hwm qhov chaw uas cov kws tshawb fawb tuaj yeem soj ntsuam kev loj hlob ntawm microbial thiab tus cwj pwm nyob rau hauv ntau yam mob.

Vim li cas Petri tais diav tseem ceeb?
Petri cov tais diav ua lub luag haujlwm tseem ceeb hauv kev tshawb fawb tshawb fawb thiab kev kuaj mob. Lawv pab kom muaj kev sib cais thiab kawm txog cov kab mob microorganisms, pab cov kws tshawb fawb los txheeb xyuas cov kab mob, sim tshuaj tua kab mob, thiab ua cov kev tshawb fawb caj ces. Lawv qhov cuam tshuam txuas mus rau thaj chaw xws li biotechnology, ib puag ncig kev tshawb fawb, thiab kev nyab xeeb khoom noj.
Petri phaj siv rau dab tsi?
Petri tais diav yog ntau yam cuab yeej nrog ntau yam kev siv:
- Kab lis kev cai Microbial: Cultivating kab mob, fungi, thiab lwm yam kab mob.
- Kev Kho Mob Kho Mob: Txheeb xyuas cov kab mob hauv cov qauv kuaj mob.
- Kev kawm: Qhia cov tub ntxhais kawm txog microbiology thiab cellular biology.
- Kev tshawb fawb: Ua cov kev sim hauv noob caj noob ces, biochemistry, thiab kev tsim tshuaj.
Yuav Siv Petri Tais Li Cas
Siv Petri tais kom zoo yuav tsum nkag siab txog cov txheej txheem kom raug:
- Kev npaj: Sterilize Petri phaj thiab npaj cov kev loj hlob nruab nrab (piv txwv li, agar).
- Pouring Nruab Nrab: Ncuav cov kua nruab nrab rau hauv lub tais thiab cia nws kom khov.
- Inoculation: Qhia cov kab mob me me uas siv lub voj tsis muaj menyuam, swab, lossis pipette.
- Kev Tsim Ua: Npog lub tais thiab muab tso rau hauv ib lub incubator teem rau qhov xav tau kub.
- soj: Saib xyuas kev loj hlob ntawm cov cheeb tsam, feem ntau ntau teev rau hnub.
Petri Cov tais diav puas tuaj yeem ua Autoclaved?
Yog lawm, iav Petri tais tuaj yeem ua autoclaved. Autoclaving siv lub zog siab ntawm 121 ° C (250 ° F) rau ib ncig ntawm 15-20 feeb kom tsis muaj menyuam cov tais diav, xyuas kom lawv tsis muaj kab mob. Yas Petri tais diav, ntawm qhov tod tes, feem ntau yog siv ib leeg thiab tsis haum rau autoclaving.
Petri Cov tais diav puas tuaj yeem rov qab siv tau?
Iav Petri cov tais diav tuaj yeem rov qab siv dua tom qab ntxuav thiab ua kom tsis muaj menyuam. Qhov no suav nrog kev ntxuav kom huv nrog cov tshuaj ntxuav tes, yaug nrog dej distilled, thiab autoclaving. Yas Petri tais diav yog tsim los siv ib zaug los tiv thaiv kev sib kis thiab feem ntau muab pov tseg tom qab ib qho kev sim.
Petri tais diav ntev npaum li cas?
Lub neej ntev ntawm Petri phaj nyob ntawm nws cov khoom siv thiab kev siv:
- Iav Petri Tais: Muaj peev xwm nyob mus ib txhis nrog kev saib xyuas kom raug.
- Yas Petri Tais: Cov tais diav uas tsis siv, khaws cia rau hauv qhov chaw txias, qhuav, tuaj yeem kav 2-3 xyoos. Thaum siv, lawv yuav tsum tau muab pov tseg tam sim.
Yuav ua li cas ntxuav Petri tais
Kev tu kom zoo ntawm Petri cov tais diav kom ntseeg tau tias lawv nyob twj ywm tsis muaj paug rau kev siv yav tom ntej:
- Kev Pib Tu: Tshem tawm tej qhov nruab nrab thiab yaug nrog dej.
- Ntxuav: Siv cov tshuaj ntxuav tes thiab dej sov los ntxuav kom huv si.
- Rinsing: Yaug nrog dej distilled kom tshem tawm cov tshuaj detergent residue.
- Kom Tsis Muaj Menyuam: Sterilize los ntawm autoclaving.
Yuav Ua Li Cas Pov Tseg Petri Dishes
Kev pov tseg ntawm Petri cov tais diav kom raug yog qhov tseem ceeb heev kom muaj kev nyab xeeb thiab huv si:
- Autoclaving: Sterilize siv cov tais diav los tua cov kab mob.
- Pov tseg: Muab cov tais uas tsis muaj menyuam tso rau hauv lub hnab biohazard.
- khib Management: Ua raws li lub koom haum cov txheej txheem rau kev pov tseg biohazardous pov tseg, feem ntau cuam tshuam nrog incineration lossis kev kho tshwj xeeb pov tseg.
xaus
Nkag siab txog kev siv dav thiab kev saib xyuas ntawm Petri cov tais diav ua kom koj lub peev xwm ua tau zoo thiab nyab xeeb kev tshawb fawb. Txawm hais tias rov siv cov khob iav los yog pov tseg cov yas, ua raws li cov txheej txheem tsim nyog yog qhov tseem ceeb ntawm kev tswj xyuas kev ncaj ncees ntawm koj qhov kev sim. Los ntawm kev paub txog cov hauv paus thiab intricacies ntawm Petri cov tais diav, koj tuaj yeem ua kom koj lub chaw kuaj mob ua haujlwm tau zoo thiab muaj txiaj ntsig.