Cov txheej txheem:

Dab tsi yog cov kauj ruam ntawm staining yooj yim?
Dab tsi yog cov kauj ruam ntawm staining yooj yim?

Video: Dab tsi yog cov kauj ruam ntawm staining yooj yim?

Video: Dab tsi yog cov kauj ruam ntawm staining yooj yim?
Video: Koj Hais Dab Tsi?/Suabci Kwm & Ab Meej Ham/Official MV 2023 2024, Kaum ib hlis
Anonim

Yooj yim Stain txheej txheem:

  1. Ntxuav thiab qhuav microscope slides kom huv si.
  2. Nplaim qhov chaw uas cov smear yuav kis tau.
  3. Nplaim lub voj inoculating.
  4. Hloov ib lub voj puv ntawm kais dej mus rau qhov flamed slide nto.
  5. Reflame lub voj kom paub tseeb tias tag nrho qhov ntev ntawm cov hlau uas yuav nkag mus rau hauv lub raj tau raug rhuab mus rau liab.

Ib yam li ntawd, tej zaum koj yuav nug, yog vim li cas rau qhov staining yooj yim?

Yooj Yim Staining Cov txheej txheem Cov molecules uas tsim cov dyes yooj yim muaj cov nqi zoo. Qhov no yog ib qho tseem ceeb vim hais tias cov phab ntsa ntawm tes thiab cytoplasm ntawm cov kab mob hlwb muaj cov nqi tsis zoo.

Ib yam li ntawd, dab tsi yog qhov yooj yim thiab sib txawv staining? A sib txawv stain yog hom tshwj xeeb ntawm staining uas tso cai rau kev txheeb xyuas microbe, thiab sib txawv ntawm cov hlwb hauv cov qauv sib xyaw. Yooj yim staining koom nrog ntxiv ib qho yooj yim, cationic dye rau lub cev. Qhov zoo dye yog attracted rau cov phab ntsa tsis zoo cell thiab cytoplasm, ua rau ua qias neeg hlwb.

Tsis tas li ntawd, cov txheej txheem staining tau faib li cas?

Mordants yog cais ua ob pawg: a) Basic Mordant: React with acidic dyes e.g. alum, ferrous sulfate, cetylpyridinium chloride thiab lwm yam. b) Acidic Mordant: React nrog cov xim yooj yim xws li. picric acid, tannic acid thiab lwm yam Direct Kev zas xim : Ua rau tsis muaj mordant.

Lub hauv paus ntsiab lus ntawm staining yog dab tsi?

Qhov yooj yim txoj cai ntawm Gram staining yog cov khoom ntawm qee cov kab mob ntawm cov phab ntsa kom khaws cov crystal violet dye. Li no, nws yog qhov txawv stain ? Safranin yog siv los ua lub txee stain hauv ib co staining raws tu qauv, coloring tag nrho cell nuclei liab.

Pom zoo: