Video: Dab tsi xim yog Staphylococcus aureus ua ntej stain?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lab 4 Gram Staining / Acid Fast Staining
| Lus nug | Teb |
|---|---|
| Cov xim ntawm Staphylococcus aureus ua ntej thawj stain ntxiv | tsis muaj xim |
| Pseudomonas aeuruginosa tom qab thawj stain ntxiv | ntshav liab |
| Bacillus megaterium tom qab mordant ntxiv | ntshav liab |
| Staphylococcus aureus hlwb tom qab siv decolorizer | ntshav liab |
Ntawm no, koj yuav xav kom Staphylococcus aureus xim dab tsi tom qab decolorization?
Tom qab decolorization, gram-zoo cell tseem nyob ntshav liab nyob rau hauv cov xim, whereas lub gram-negative cell poob lub ntshav liab xim thiab tsuas yog tshwm sim thaum lub counterstain, qhov zoo nqi dye safranin, ntxiv.
Tom qab ntawd, lo lus nug yog, cov xim dab tsi yog cov hlwb feem ntau ua ntej siv thawj cov xim rau cov txheej txheem Gram stain? Ua ntej, siv lead ua violet , ib tug thawj stain, yog siv rau lub tshav kub-taw smear, muab tag nrho cov hlwb a ntshav liab xim.
Tom qab ntawd, ib tug kuj yuav nug, Pseudomonas aeruginosa xim yog dab tsi tom qab decolorization?
* Pseudomonas aeruginosa - tom qab lub counterstain yog ntxiv liab.
Yuav ua li cas xim yuav ib tug gram negative cell stain?
Gram-negative cells muaj txheej nyias nyias peptidoglycan uas tso cai rau cov siv lead ua violet ntxuav tawm. Lawv pleev xim rau liab los yog liab los ntawm counterstain, feem ntau safranin los yog fuchsine. Gram staining yuav luag ib txwm yog thawj kauj ruam hauv kev txheeb xyuas ua ntej ntawm cov kab mob kab mob.
Pom zoo:
Collagen stain xim dab tsi?
Collagen fibers stain ntsuab lossis xiav nrog Masson's trichrome stain. Cov nqaij thiab keratin yuav liab
Cov xim dab tsi yog cov hlwb feem ntau ua ntej siv thawj cov xim rau cov txheej txheem Gram stain?
Ua ntej, siv lead ua violet, thawj stain, yog siv rau lub tshav kub-tso smear, muab tag nrho cov hlwb xim liab
Yuav ua li cas yog qhov tshwm sim uas ib tug poj niam dig muag xim uas yuav ib tug txiv neej uas tsis pom kev zoo yuav muaj xim dig muag me nyuam?
Yog tias tus poj niam uas muaj lub zeem muag zoo li no (heterozygous rau qhov muag tsis pom xim) yuav ib tug txiv neej ib txwm muaj (XY), cov xeeb ceem hauv qab no tuaj yeem xav tau hauv F2 tiam: ntawm cov ntxhais, 50% yog ib txwm muaj thiab 50% yog cov neeg nqa khoom rau cov kab mob; ntawm cov tub, 50% yog xim dig muag thiab 50% yog qhov pom kev zoo
Dab tsi xim ntawm tib neeg lub hlwb Gram stain?
Thawj stain, tag nrho cov kab mob yog stained ntshav. Counter stain. Qhov no stains decolorized kab mob liab. Tib neeg lub hlwb tuaj yeem stained nrog crystal violet thiab safranin, yog li vim li cas tib neeg lub hlwb tsis tuaj yeem ua gram stained?
Dab tsi xim kuv yuav tsum pleev xim rau kuv cov pob txha ntoo ntoo?
Ua kom sov Tones Qhov zoo tshaj plaws sov xim palettes rau knotty ntoo thuv siv tones ntawm daj ochre, burnt txiv kab ntxwv los yog cib liab. Cov tones sov tuaj yeem tinted nrog dawb thaum chav tsev xav tau cov xim sib dua. Cov xim no txuas lub ntuj sov ntawm cov ntoo tones, ntxiv kev nplua nuj thiab kev muaj sia nyob rau qhov chaw