Udindo wofunikira wa mbale ya Petri

A Petri mbale (Petri mbale) ndi mbale yakuya yagalasi yokhala ndi cylindrical yomwe imagwiritsidwa ntchito popanga tizilombo toyambitsa matenda (mbale za agar).Pali magalasi ndipulasitiki Petri mbale, ndipo onse amatha kutsekeredwa (pogwiritsa ntchito autoclave) ndikugwiritsidwanso ntchito.Musanagwiritsidwe ntchito pazinthu zachikhalidwe, ndikofunikira kuwonetsetsa kutiPetri mbalesiukhondo kokha, komanso wosabala.Izi zimathandiza kupewa kuipitsidwa kwa chikhalidwe chatsopano.
Agar ndi polima wopangidwa ndi timagulu tating'ono tating'ono ta galactose ndi mitundu yosiyanasiyana ya algae ofiira.Ngakhale ali ndi ntchito zina kuphatikiza zophikira ndi zamano, agar amatenga gawo lofunikira mu microbiology ngati media media zamitundumitundu.
Poyerekeza ndi zina mwazinthu zina monga gelatin, agar ali ndi zabwino zingapo zomwe zimaphatikizapo:
Sizingawonongeke mosavuta ndi tizilombo toyambitsa matenda
Wamphamvu
Olimba kuposa gelatin
Malingana ndi mtundu kapena mtundu wa mabakiteriya omwe akukulirakulira, pali mitundu yosiyanasiyana ya agar yomwe ingapangidwe.Ngakhale kusamala kwakukulu kuyenera kuchitidwa pogwira chikhalidwe chilichonse, agar wamba wopatsa thanzi, osati mawonekedwe a agar omwe amathandiza mabakiteriya a pathogenic akulimbikitsidwa kwa ophunzira aang'ono kapena poyesera kunyumba.

6,7,8,9, Petri dish 2-2 (5)


Nthawi yotumiza: May-17-2021

Titumizireni uthenga wanu:

Lembani uthenga wanu apa ndikutumiza kwa ife