Dab tsi yog qhov tseeb lom neeg stain?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

A biological stain hais txog ib qho kev sib txuas uas hloov cov xim ntawm cov yam ntxwv ntawm lub xov tooj ntawm tes xws li cov phab ntsa ntawm tes lossis cov nucleus ntawm lub xov tooj ntawm tes thiab pab saib lawv kom pom tseeb dua. Ib kas fes stain tsis ua li ntawd. Thaum koj siv cov kua qaub-cawv, nws decolorizes lub hlwb thiab cov stain raug tshem tawm.

Tom qab ntawd, dab tsi yog staining hauv biology?

Kev zas xim yog ib qho txheej txheem siv hauv microscopy los txhim kho qhov sib txawv hauv cov duab microscopic. Stains thiab dyes yog nquag siv los qhia txog cov qauv hauv microbes rau kev saib, feem ntau nrog kev pab los ntawm ntau lub tshuab tsom.

Kuj Paub, vim li cas biologists stain cells? Qhov tseem ceeb tshaj plaws yog vim li cas hlwb yog ua qias neeg yog los txhim kho visualization ntawm lub cell los yog tej yam cellular Cheebtsam nyob rau hauv lub microscope. Cells tej zaum kuj yog ua qias neeg los qhia txog cov txheej txheem metabolic lossis sib txawv ntawm cov nyob thiab cov neeg tuag hlwb hauv ib qho qauv.

Sib piv, dab tsi yog qhov yooj yim stain?

Cov yooj yim stain tuaj yeem siv los txiav txim cov duab ntawm tes, qhov loj me, thiab kev teeb tsa. Muaj tseeb rau nws lub npe, lub yooj yim stain yog ib heev yooj yim staining txheej txheem uas tsuas yog ib qho stain . Basic stains , xws li methylene blue, Gram safranin, los yog Gram crystal violet yog pab tau rau staining feem ntau cov kab mob.

Dab tsi yog hom stains?

Xya Hom Stain

• Roj Hmab. Cov roj stains yog qhov dav tshaj plaws thiab hom stain feem ntau cov neeg xav txog thaum lawv xav txog stain.
• Varnish Stain. Varnish stains zoo li cov roj stains hauv txhua txoj kev tab sis ib qho.
• Dej-raws li Stain.
• Gel Stain.
• Lacquer Stain.
• Dej-Soluble Dye Stain.
• Hlau-Complex (Metalized) Dye Stain.