Video: Lub hom phiaj ntawm kev kho cua sov yog dab tsi tshwm sim thaum siv hluav taws xob ntau dhau?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kub fixation tua cov kab mob thiab ua rau lawv lo rau hauv iav kom lawv tsis tuaj yeem yaug tawm. Hauv kub - kho dab tsi yuav tshwm sim yog kub heev tau siv ? Nws yuav ua rau lub cev puas tsuaj.
Kuj paub yog, lub hom phiaj ntawm kev kho cua sov yog dab tsi?
Cov smear qhuav yog rhuab rau ntawm lub phaj kub los yog dhau los ntawm cov nplaim taws ob peb zaug rau kub kho nws. Kev kho cua sov denatures cov kab mob enzymes, tiv thaiv lawv los ntawm kev zom cov cellparts, uas ua rau lub cell tawg, txheej txheem hu ua autolysis. kub kuj txhim khu cov adherence ntawm cov kab mob hlwb mus rau swb.
Tsis tas li ntawd, lub hom phiaj ntawm cov kab mob smear yog dab tsi? SMEAR Kev npaj. Kev npaj ntawm a smear yuav tsum tau rau ntau yam kev kuaj, nrog rau cov Gram-stain. Cov lub hom phiaj ua a smear yog tofix kab mob mus rau qhov swb thiab tiv thaiv tus qauv los ntawm kev ploj thaum lub sij hawm staining. A smear tuaj yeem npaj los ntawm cov khoom nruab nrab los yog broth.
Tsis tas li ntawd, yuav ua li cas yog tias koj kho qhov swb ntev dhau lawm?
Thaum twg sib tov cov kab mob nrog dej, yog koj sib tov nws ua tau ua rau cov qauv ntawm tes tsis raug. 3. Thaum tshav kub kub - kho , yog koj tuav lub swb dhau tus nplaim taws ntev dhau lawm , koj yuav hlawv tus hlwb.
Peb cov stains yog dab tsi?
Koj tuaj yeem xaiv los ntawm methylene xiav, Gram safranin, thiab Gram crystal violet. Basic stains , xws li methylene xiav, Gram safranin, los yog Gram crystal violet yog pab tau rau staining feem ntau cov kab mob. Cov no stains yuav nkag mus rau hydroxide ion los yog txais ib hydrogen ion, uas tawm hauv stain raug nqi zoo.
Pom zoo:
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