Dab tsi yog qhov ua haujlwm ntawm eosin thiab methylene xiav hauv EMB media?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

Eosin methylene xiav agar ( EMB ) yog xaiv thiab sib txawv nruab nrab siv los cais cov fecal coliforms. Eosin Y thiab methylene xiav yog pH qhov taw qhia dyes uas ua ke los tsim cov xim daj tsaus ntuj nag lossis daus ntawm pH qis; lawv kuj pab inhibit qhov kev loj hlob ntawm feem ntau Gram zoo kab mob.

Tsis tas li ntawd, kev ua haujlwm ntawm eosin thiab methylene xiav hauv EMB media quizlet yog dab tsi?

Nws muaj cov sib xyaw ntawm cov pa roj carbon, nitrogen, thiab lwm yam khoom noj muaj txiaj ntsig. Cov suab thaj suav nrog txhawm rau txhawb kev loj hlob ntawm cov kab mob nkag mus thiab siv los sib txawv cov kab mob raws li lawv cov xim tshwm sim tsim thaum ua ke nrog cov zas.

Tsis tas li, dab tsi tuaj yeem loj hlob ntawm EMB agar? Qee hom kab mob Salmonella thiab Shigella yuav ua tsis tau loj hlob ntawm EMB Agar . Qee cov kab mob gram-zoo, xws li enterococci, staphylococci, thiab poov xab. yuav loj hlob ntawm qhov nruab nrab no thiab feem ntau tsim cov ntsiab lus tseem ceeb. Tsis muaj kab mob, tsis muaj kab mob lactose-fermenting yuav kuj loj hlob ntawm qhov nruab nrab no.

Kuj paub, EMB agar siv rau dab tsi?

Eosin Methylene Xiav ( EMB ) agar yog ob qho tib si xaiv thiab sib txawv nruab nrab kab lis kev cai. Nws yog kev xaiv kab lis kev cai nruab nrab rau cov kab mob Gram-tsis zoo (xaiv tawm tsam cov kab mob Gram zoo) thiab feem ntau siv rau cais thiab sib txawv ntawm coliforms thiab quav quav coliforms.

Vim li cas EMB xaiv thiab sib txawv?

Eosin Methylene Xiav (lossis EMB ) Agar yog a Xaiv & Sib txawv Nruab nrab. Cov xaiv thiab sib txawv Qhov sib txawv yog vim cov xim Eosin Y thiab Methylene Blue, thiab cov suab thaj lactose thiab sucrose hauv nruab nrab. Nws yog Xaiv vim nws txhawb qee cov kab mob kom loj hlob thaum inhibiting lwm tus.