Video: Lub hom phiaj ntawm Congo Liab nyob rau hauv capsule staining yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Qhov no yog qhov tsis zoo staining txheej txheem uas yog qhov tseem ceeb siv los txheeb xyuas qhov muaj nyob ntawm tshuaj ntsiav . Vim nws cov acidic xwm, India number case (los yog Congo liab nigrosin) stains tom qab tsaus. Ntawm qhov tod tes, siv lead ua violet yog siv rau ntau qhov laj thawj suav nrog: los ua ib qho fixative. Ua kom lub zog nkag mus.
Ib yam li ntawd, lub hom phiaj ntawm capsule staining yog dab tsi?
Lub ntsiab lub hom phiaj ntawm capsule stain yog kom paub qhov txawv capsular cov khoom siv los ntawm cov kab mob ntawm tes. A tshuaj ntsiav yog gelatinous txheej txheej secreted los ntawm cov kab mob cell thiab uas nyob ib puag ncig thiab adheres rau lub cell phab ntsa. Feem ntau tshuaj ntsiav muaj cov polysaccharides, tab sis qee qhov muaj li ntawm polypeptides.
Tsis tas li, koj puas tuaj yeem siv Congo liab rau qhov zoo? Congo liab tsis tuaj yeem siv ncaj qha staining vim nws yog acid stain (negatively charged) thiab lub hom phiaj ntawm ib tug ncaj qha stain yog siv ib qho yooj yim stains ( zoo raug them) ua stain tus kab mob nws tus kheej txij li tus nqi tsis zoo thiab zoo nqi yog attracted rau ib leeg, tsis zoo thiab tsis zoo nqi repel ib leeg
Ntawm no, dab tsi stains yog siv rau capsule staining?
Kab mob tshuaj ntsiav yog non-ionic, yog li tsis yog acidic lossis yooj yim stains yuav ua raws li lawv qhov chaw. Yog li ntawd, txoj hauv kev zoo tshaj plaws kom pom lawv yog stain tom qab siv ib tug acidic stain thiab rau stain lub cell nws tus kheej siv ib qho yooj yim stain . Peb siv Is Nrias tus cwj mem thiab Gram siv lead ua violet.
Qhov tsis zoo staining pab peb pom cov tshuaj ntsiav li cas?
Xwb, zoo thiab tsis zoo staining cov txheej txheem tuaj yeem ua ke rau pom cov tshuaj ntsiav : Qhov zoo stain xim lub cev ntawm lub cell, thiab cov tsis zoo stain xim cov keeb kwm yav dhau tab sis tsis yog tshuaj ntsiav , tawm hauv halo nyob ib ncig ntawm txhua lub cell.
Pom zoo:
Dab tsi yog qhov txawv ntawm daim ntawv qhia lub hom phiaj thiab daim ntawv qhia lub hom phiaj tshwj xeeb?
Qhov tseem ceeb hauv daim ntawv qhia dav dav yog nyob ntawm qhov chaw. Phab ntsa daim duab qhia chaw, feem ntau daim ntawv qhia pom nyob rau hauv atlases, thiab txoj kev maps yog tag nrho cov nyob rau hauv qeb no. Thematic maps, tseem hu ua daim ntawv qhia tshwj xeeb, qhia txog thaj chaw faib khoom ntawm ib lub ntsiab lus lossis qhov tshwm sim
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