Micro-Operating Dish
Inkcazelo emfutshane:
Isetyenziselwa ukujonga imilo yeeoocytes, iiseli ze-cumulus phantsi kwe-microscope, ukusetyenzwa kwee-oocytes ze-peripheral granular cells, ukufaka isidoda kwi-ovum.
Ziziphi izitya zePetri?
I-Petri dish yicylindrical enganzulwanga, iglasi engqukuva esetyenziswa kwiilabhoratri ukukhulisa ii-microorganisms ezahlukeneyo kunye neeseli.Ukufunda izinto ezincinci ezinje ngebhaktheriya kunye neentsholongwane phantsi koqwalaselo olukhulu, kubalulekile ukuba uzigcine zodwa kwezinye iintlobo okanye izinto.Ngamanye amazwi, izitya zePetri zisetyenziselwa ukuxhasa ukukhula kwee-microorganisms.Enye yezona ndlela zisebenzayo zokwenza oku kuncedo lwenkqubo yenkcubeko kwisikhongozeli esifanelekileyo.Isitya sePetri lolona khetho lungcono kwipleyiti ephakathi kwenkcubeko.
Eli cwecwe lenziwe nguJulius Richard Petri oyingcali yebhaktiriya yaseJamani.Petri isitya akumangalisi, ebizwa ngegama lakhe.Ukususela ekuvelisweni kwayo, izitya zePetri ziye zaba sesinye sezona zixhobo zibalulekileyo zaselebhu.Kweli nqaku lesiXhobo seNzululwazi, siza kufumanisa ngokweenkcukacha ukuba zisetyenziswa njani izitya zePetri njengeelebhu zezixhobo zesayensi kunye neenjongo zazo ezahlukeneyo.
Kutheni kufuneka usebenzise izitya zePetri elabhoratri?
Isitya sePetri sisetyenziswa kakhulu njengesixhobo selabhoratri kwicandelo lebhayoloji kunye nekhemistri.Isitya sisetyenziselwa iiseli zenkcubeko ngokubonelela indawo yokugcina kunye nokuthintela ukuba zingcoliseke.Ekubeni isitya sibonakala, kulula ukujonga izigaba zokukhula kwee-microorganisms ngokucacileyo.Ubungakanani besitya sePetri buyenza igcinwe phantsi kwemicroscope ngokuthe ngqo ukuze iqwalaselwe ngaphandle kwesidingo sokuyidlulisela kwipleyiti encinci.Kwinqanaba elisisiseko, isitya sePetri sisetyenziswa ezikolweni nakwiikholeji kwimisebenzi efana nokuqwalaselwa kokuntshula kwembewu.
Indlela yokusebenzisa izitya zePetri ngokufanelekileyo kwilabhoratri
Ngaphambi kokusebenzisa i-petri dish kubalulekile ukuqinisekisa ukuba icocekile ngokupheleleyo kwaye ayinayo nayiphi na i-microparticles enokuthi ichaphazele uvavanyo.Unokuqinisekisa oku ngokunyanga zonke isitya esisetyenzisiweyo ngebleach kunye nokusicoca ukuze sisetyenziswe ngakumbi.Qinisekisa ukuba uyasicoca kwisitya sikaPetri phambi kokuba usisebenzise.
Ukuqwalasela ukukhula kweebhaktheriya, qalisa ngokuzalisa isitya kunye ne-agar medium (elungiselelwe ngoncedo lwe-algae ebomvu).I-Agar medium iqulethe izondlo, igazi, ityuwa, izikhombisi, i-antibiotics, njl njl ezinceda ekukhuleni kwe-microorganisms.Qhubeka ngokugcina izitya zePetri efrijini kwindawo ejonge phantsi.Xa ufuna iipleyiti zenkcubeko, zisuse efrijini kwaye uzisebenzise xa sele zibuyele kwiqondo lokushisa.
Ukuqhubela phambili, thatha isampuli yebhaktheriya okanye nayiphi na enye i-microorganism kwaye uyithululele ngokukhawuleza kwinkcubeko okanye usebenzise i-cotton swab ukuze uyifake kwinkcubeko ngendlela yegzag.Qinisekisa ukuba awusebenzisi kakhulu uxinzelelo njengoko oku kusenokwaphula isiko.
Nje ukuba kwenziwe oku, vala isitya sikaPetri ngesiciko kwaye usigqume kakuhle.Gcina ngaphantsi kwe-37ºC kangangeentsuku ezimbalwa kwaye uyivumele ikhule.Emva kweentsuku ezimbalwa, isampuli yakho iya kuba ilungele uphando olongezelelweyo.
