Cov txheej txheem:
Video: Cov khoom xyaw hauv LB agar yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
LB Agar (Lennox): koj puas xav tau ntau tus thwjtim?
- 10 g Xaiv PEptone 140.
- 5g SELECT Poov xab Extract .
- 5g ua Sodium Chloride .
- 12 g SELECT Agar.
Hais txog qhov no, LB agar ua los ntawm dab tsi?
Muaj ob peb yam sib txawv formulations ntawm Lb kua txiv, tab sis kev sib xyaw feem ntau yog tib yam suav nrog peptides thiab casein peptones, kab kawm, cov ntxhia thiab cov vitamins. Agar yog ib qho nyuaj gelatinous carbohydrate, thiab ntxiv rau LB broth, txhawm rau tsim cov gel rau cov kab mob kom loj hlob raws li kab lis kev cai microbial.
Tom qab ntawd, lo lus nug yog, LB cov khoom xyaw kua yog dab tsi? LB Broth, tseem hu ua, LB nruab nrab, Lysogeny broth, Luria broth, lossis Luria-Bertani nruab nrab, feem ntau yog siv cov khoom noj muaj txiaj ntsig zoo nruab nrab rau kev cog qoob loo. Ua ntej piav qhia xyoo 1951 los ntawm Giuseppe Bertani, 1-litre nruab nrab muaj 10 grams ntawm tryptone, 5 grams ntawm poov xab extract, thiab 10 grams ntawm sodium tshuaj dawb.
Hauv qhov no, LB agar siv rau dab tsi?
Lysogeny kua zaub ( LB ) yog cov khoom noj khoom haus nplua nuj nruab nrab feem ntau siv rau kev loj hlob ntawm cov kab mob. Nws tus tsim, Giuseppe Bertani, lub hom phiaj LB sawv rau lysogeny broth, tab sis LB kuj tseem tuaj yeem raug hu ua Luria broth, Lennox broth, lossis Luria-Bertani nruab nrab.
Puas yog LB agar xaiv?
Cov khoom noj Agar Cov phaj Luria Bertani ( LB ) agar yog ib yam khoom noj muaj haus agar rau txoj kev loj hlob tas li ntawm cov kab mob thiab tsis tshwj xeeb tshaj yog haum rau ib hom microbe tshwj xeeb. Phenylethyl cawv agar (PEA) yog xaiv rau hom Staphylococcus thiab tiv thaiv kab mob Gram-negative.
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