![EMB phaj ntsuas rau dab tsi? EMB phaj ntsuas rau dab tsi?](https://i.answers-medical.com/preview/medical-health/13941763-what-does-an-emb-plate-test-for-j.webp)
Video: EMB phaj ntsuas rau dab tsi?
![Video: EMB phaj ntsuas rau dab tsi? Video: EMB phaj ntsuas rau dab tsi?](https://i.ytimg.com/vi/Rki4M-MhWjM/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Eosin methylene xiav agar ( EMB ) yog kev xaiv thiab sib txawv nruab nrab siv los cais cov quav quav quav. Eosin Y thiab methylene xiav yog pH qhia cov xim zas xim uas sib xyaw ua kom cov xim daj tsaus ntuj los nag ntawm pH qis; lawv kuj ua haujlwm los tiv thaiv kev loj hlob ntawm feem ntau cov kab mob Gram zoo.
Ib yam li ntawd, koj tuaj yeem nug, Kab mob dab tsi loj hlob ntawm EMB?
Qee qhov txawv ntawm Salmonella thiab Shigella yuav tsis loj hlob ntawm EMB Agar. Qee cov kab mob gram-positive, xws li tus kab mob enterococci , staphylococci, thiab cov poov xab yuav loj hlob ntawm qhov nruab nrab no thiab feem ntau tsim cov ntsiab lus tseem ceeb. Cov tsis muaj kab mob, tsis muaj cov kab mob lactose-fermenting yuav loj hlob ntawm qhov nruab nrab no.
Ib tug kuj yuav nug, dab tsi ua rau ntsuab sheen ntawm EMB phaj? Nyob EMB yog tias E. coli loj tuaj nws yuav muab cov xim sib txawv ntsuab ntsuab (vim yog cov khoom sib txawv ntawm cov xim, E. coli txav siv flagella, thiab muaj zog acid kawg cov khoom ntawm fermentation). Qee hom Citrobacter thiab Enterobacter tseem yuav ua li no rau EMB.
Ib yam li ntawd, tib neeg nug, vim li cas EMB xaiv thiab qhov sib txawv?
Eosin Methylene Xiav (lossis EMB ) Agar yog a Xaiv & Sib txawv Nruab nrab. Cov xaiv thiab sib txawv cov xwm txheej yog vim cov xim Eosin Y thiab Methylene Blue, thiab 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.
Vim li cas thiaj tsim nyog ua EMB xeem?
Lub hom phiaj tseem ceeb: Kev rho tawm thiab sib txawv ntawm lactose fermenting thiab non-lactose fermenting enteric bacilli. EMB agar yog siv hauv dej zoo kev xeem kom paub qhov txawv coliforms thiab quav quav coliforms uas qhia tias muaj peev xwm ua rau cov kab mob me me sib kis tau hauv cov qauv dej (muaj E.
Pom zoo:
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Ib qho ntawm cov kev txwv loj rau txoj hauv kev suav cov phaj yog qhov sib txawv me me suav tau (feem ntau suav tias yog 25-250 CFU cov kab mob ntawm tus qauv petri phaj)
Tus pas ntsuas ntsuas ntsuas ntsuas ntsuas ntsuas yog dab tsi?
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Qhov kev ntsuas no siv cov khoom paub ntawm lub ntiajteb txawj nqus los txiav txim siab tias tus neeg yuav siv sijhawm ntev npaum li cas los teb rau qhov poob ntawm ib yam khoom los ntawm kev ntsuas deb npaum li cas cov khoom tuaj yeem ntog ua ntej raug ntes
Dab tsi ua rau lub ntsej muag ntsuab ntawm EMB phaj?
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Ntawm EMB yog E. coli loj hlob nws yuav muab cov xim sib txawv ntawm cov xim ntsuab ntsuab (vim yog cov khoom sib txawv ntawm cov xim, E. coli txav siv flagella, thiab muaj zog acid kawg cov khoom ntawm fermentation)
Dab tsi yog qhov ntsuas qhov ntsuas qhov ntsuas?
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Kev ntsuas qhov ncauj hais lus yog cov cuab yeej muaj zog siv los ntsuas qhov kev paub mob. Kev ntsuas qhov ntsuas qhov hais lus, tseem hu ua cov qhab nia ntawm qhov mob thiab cov lus piav qhia qhov ntsuas, yog cov ntawv qhia tus kheej uas muaj ntau cov lus uas tsim los piav txog qhov mob hnyav thiab lub sijhawm (Karcioglu li al., 2018)
Qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas kub npaum li cas?
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Cov qhab nias thiab txhais lus CAS muaj 21 yam khoom nrog 4 qhov kev xaiv txhua tus (uas tau qhab nia 0,1,2,3). CAS tus qhab nia tsuas yog qhov sib npaug ntawm cov qhab nia khoom. Yog li, cov qhab nia ntawm CAS tuaj yeem nyob ntawm 0 txog 63. Qhov qhab nia siab dua txhais tau tias tus neeg koom nrog muaj cov tsos mob npau taws ntau dua