Indima ebalulekile yesidlo sikaPetri

A Petri dish (Ipuleti lePetri) isidlo esinezimbobo sengilazi esingajulile esiyisilinda esivame ukusetshenziselwa ukwelapha amagciwane (amapuleti e-agar).Kukhona ingilazi futhiizitsha zePlastiki Petri, futhi kokubili kungenziwa inzalo (kusetshenziswa i-autoclave) futhi iphinde isetshenziswe.Ngaphambi kokusetshenziselwa izinjongo zesiko, kubalulekile ukuqinisekisa ukuthiPetri dishayihlanzekile kuphela, kodwa futhi iyinyumba.Lokhu kusiza ukuvimbela ukungcoliswa kwesiko elisha.
I-Agar iyi-polymer eyenziwe ngamayunithi ahlukahlukene e-galactose nezinhlobo ezahlukahlukene zolwelwe olubomvu.Nakuba inokunye ukusetshenziswa okuhlanganisa ukupheka kanye nodokotela wamazinyo, i-agar idlala indima ebalulekile ku-microbiology njengemidiya yamasiko ezinhlobonhlobo zamagciwane.
Uma iqhathaniswa nezinye ezinye izindlela ezifana ne-gelatin, i-agar inezinzuzo eziningi ezihlanganisa:
Angeke kwehliswe kalula ama-microorganisms
Kakhudlwana
Iqinile kune-gelatin
Kuye ngohlobo noma uhlobo lwamabhaktheriya akhulayo, kunezinhlobo ezahlukene ze-agar ezingase zinconywe.Nakuba ukunakekelwa okukhulu kufanele kuthathwe lapho kusingathwa noma yiliphi isiko, i-agar enomsoco engenalutho, kunokuba ukwakheka kwe-agar okusekela amagciwane e-pathogenic kunconywa kubafundi abancane noma esimweni sokuhlolwa kwasekhaya.

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


Isikhathi sokuthumela: May-17-2021

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