Thawj lub hlwb yog stained nrog crystal violet, ua raws li kev sib ntxiv ntawm tus neeg sawv cev rau qhov stain (iodine). Tom qab ntawd cawv yog siv, uas xaiv tshem tawm cov stain los ntawm tsuas yog Gram tsis zoo hlwb. Thaum kawg, qhov thib ob stains, safranin, yog ntxiv, uas tiv thaiv cov hlwb decolorized liab.
Dab tsi yog cov txheej txheem sib txawv ntau tshaj plaws siv hauv microbiology?
Gram stain yog txheej txheem staining tseem ceeb tshaj plaws hauv microbiology. Nws yog siv los sib txawv ntawm cov kab mob gram zoo thiab cov kab mob gram tsis zoo. Li no, nws yog qhov txawv txav.
Lub hom phiaj tseem ceeb ntawm kev siv cov txheej txheem sib txawv yog dab tsi?
Differential staining yog txheej txheem ua kom zoo dua ntawm qhov sib txawv ntawm lub cev thiab tshuaj lom neeg ntawm ntau pawg kab mob. Nws tso cai rau peb sib txawv ntawm ntau hom kab mob los yog sib txawv ntawm cov kab mob ntawm tes.
Dab tsi yog cov kauj ruam tseem ceeb ntawm txoj kev sib txawv ntawm qhov sib txawv?
Qhov kev ua tau zoo ntawm Gram Stain ntawm ib qho qauv yuav tsum muaj plaub kauj ruam yooj yim uas suav nrog kev siv lub hauv paus stain (crystal violet) rau cov smear kho cua sov, ua raws li kev sib ntxiv ntawm mordant (Gram's Iodine), tshem tawm sai sai nrog cawv, acetone, lossis sib xyaw ntawm cawv thiab acetone thiab kawg, counterstaining nrog …
Dab tsi yog cov txheej txheem staining?
Differential staining techniques nquag siv hauv chaw kho mob suav nrog Gram staining, acid-ceev staining, endospore staining, flagella staining, thiab capsule staining.
