Video: Yuav suav pes tsawg tus xovtooj?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Thaum twg suav , ntiav ib qhov system uas hlwb tsuas yog suav thaum lawv nyob hauv ib lub xwmfab, lossis ntawm sab tes xis lossis kab hauv qab. Rau xam cov ntawm tes concentration, coj tus naj npawb nruab nrab ntawm kev siv tau hlwb nyob rau hauv plaub pawg ntawm 16 squares thiab muab 10, 000 kom tau tus naj npawb ntawm hlwb rau milliliter.
Yog li ntawd, yuav suav tus lej hemocytometer li cas?
Rau suav cov cell siv a hemocytometer , ntxiv 15-20Μl ntawm ntawm tes suspension nruab nrab ntawm cov hemocytometer thiab npog iav siv P-20 Pipetman. Lub hom phiaj yog kom muaj kwv yees li 100-200 hlwb /kub. Suav tus naj npawb ntawm hlwb nyob rau hauv tag nrho plaub sab squares faib los ntawm plaub (tus naj npawb ntawm hlwb / square).
Qhov thib ob, koj yuav ua li cas xam qhov dilution factor rau suav cell? Qhov Dilution Factor = Tag Nrho Cov Ntim (Ntim ntawm cov qauv + Ntim cov kua ua kua) / Ntim ntawm cov qauv. Tag nrho siv tau hlwb /Qauv = Siv tau Xovtooj /ml x Thawj qhov ntim ntawm cov kua los ntawm qhov uas ntawm tes qauv raug tshem tawm. Ntim ntawm xov xwm xav tau = (Tus naj npawb ntawm hlwb xav tau/Tag nrho tus naj npawb ntawm siv tau hlwb ) x 1000.
Tsis tas li lo lus nug yog, tag nrho cell suav yog dab tsi?
tag nrho cell suav . cov tag nrho tus naj npawb ntawm cov nyob los yog tuag hlwb nyob rau hauv qhov ntim lossis thaj chaw. Rau MICROORGANISMS cov lus feem ntau yog siv rau BACTERIA, SPORES lossis YEASTS.
Tus hemocytometer suav WBC li cas?
A WBC suav yog ua nrog ib tug Neubauer hemocytometer . ? Siv X10 tsom iav tsom iav, suav WBC siv plaub sab plaub loj nyob rau sab nrauv ntawm lub suav chav tsev? Suav ob sab ntawm chav thiab nruab nrab qhov suav.
Pom zoo:
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Txoj hauv kev twg los tshuaj xyuas lub cev muaj pes tsawg yog suav tias yog tus qauv kub?
Hydrostatic underwater hnyav
Yuav ua li cas perforin ua rau tuag ntawm lub xovtooj ntawm tus kabmob?
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