dab tsi yog cov txheej txheem sib cais centrifugation

Kev Siv Centrifugation Fai: Ib Phau Ntawv Qhia Txog Kev Siv Centrifugation Fai Zoo

Kev Taw Qhia Txog Kev Siv Centrifugation Separation Technique

Kev siv centrifugation yog ib txoj kev siv dav hauv ntau qhov kev tshawb fawb thiab kev kho mob los cais thiab tshuaj xyuas cov khoom sib xyaw ua ke. Nws cuam tshuam nrog kev siv lub zog centrifugal, uas yog lub zog muaj zog, los cais cov khoom sib txawv ntawm cov khoom sib xyaw ua ke raws li lawv qhov ceev thiab qhov loj.

Hom Centrifugation

Muaj ob hom kev centrifugation tseem ceeb: kev sib txawv centrifugation thiab kev sib txawv ntawm qhov ceev. Kev sib txawv centrifugation yog siv los cais cov khoom me me raws li lawv qhov loj me, thaum kev sib txawv ntawm qhov ceev cais cov khoom me me raws li lawv qhov ceev.

Hauv kev sib txawv centrifugation, cov qauv raug tig ntawm qhov ceev ceev, ua rau cov khoom loj dua, hnyav dua los ua cov av sai dua li cov khoom me dua, sib dua. Los ntawm kev kho qhov ceev thiab lub sijhawm ntawm centrifugation, nws muaj peev xwm sau cov feem tshwj xeeb uas muaj cov khoom xav tau.

Kev centrifugation gradient ntawm qhov ceev yog kev tsim kom muaj qhov sib txawv ntawm qhov ceev hauv lub raj xa qauv. Cov kua dej ntom ntom raug muab tso rau saum cov kua dej uas tsis ntom ntom, ua rau muaj qhov sib txawv. Thaum cov qauv raug centrifuged, cov khoom me me yuav txav mus los ntawm qhov sib txawv, thiab nyob rau ntau qhov chaw sib txawv raws li lawv qhov ceev. Cov txheej txheem no tso cai rau kev sib cais ntau dua ntawm cov khoom me me uas muaj qhov loj me zoo sib xws.

Cov ntawv thov ntawm Centrifugation

Kev siv centrifugation pom muaj ntau yam kev siv hauv ntau qhov kev tshawb fawb, suav nrog biology, chemistry, tshuaj, thiab kev tshawb fawb ib puag ncig. Nws yog siv rau ntau lub hom phiaj xws li kev rho tawm cell, kev ntxuav protein, kev sib sau ua ke ntawm cov kab mob, kev rho tawm DNA, thiab kev sib cais cov khoom me me.

Kev rho tawm cov cell yog ib qho kev siv ntau hauv kev tshawb fawb txog tsiaj txhu, qhov twg cov cell tshwj xeeb yuav tsum tau cais tawm ntawm cov khoom sib xyaw ua ke. Los ntawm kev siv cov centrifugation sib txawv, nws muaj peev xwm cais cov cell ntawm cov ntaub so ntswg lossis cov kab lis kev cai thawj zaug raws li lawv cov nqi sib txawv ntawm cov av noo.

Kev ntxuav cov protein yog lwm qhov tseem ceeb ntawm kev siv centrifugation. Cov protein feem ntau raug rho tawm ntawm cov cell rho tawm los ntawm kev sib txawv centrifugation ua raws li cov txheej txheem ntxuav tshwj xeeb dua. Centrifugation tuaj yeem cais cov protein nrog ntau qhov ntau thiab tsawg, cov duab, lossis qhov ceev sib txawv.

Hauv kev tshawb nrhiav kab mob, kev siv centrifugation los ua kom cov kab mob sib sau ua ke los ntawm cov qauv sib xyaw. Cov kab mob raug muab zom los ntawm kev siv centrifugation ceev ceev, ua rau lawv muaj peev xwm tshuaj xyuas lossis nthuav dav hauv cov kab lis kev cai ntawm tes.

Cov Yam Cuam Tshuam Rau Kev Ua Haujlwm Zoo ntawm Centrifugation

Muaj ntau yam uas cuam tshuam rau qhov ua tau zoo thiab ua tau zoo ntawm kev sib cais centrifugation. Qhov ceev lossis lub zog centrifugal, hom rotor, kub, thiab qhov ntim ntawm cov qauv yog cov yam ntxwv tseem ceeb uas yuav tsum tau xav txog kom zoo.

Qhov ceev lossis lub zog centrifugal txiav txim siab qhov nrawm ntawm cov khoom me me. Kev centrifugation ceev ceev yog siv rau kev sib cais sai, thaum kev centrifugation ceev qis tso cai rau kev sib cais me me thiab qeeb dua. Hom rotor, txawm tias lub kaum sab xis lossis lub thoob swinging, kuj cuam tshuam rau kev ua haujlwm sib cais.

Qhov kub thiab txias yog lwm yam tseem ceeb uas yuav tsum xav txog. Kev siv centrifugation ntawm qhov kub siab dua yuav ua rau cov qauv denaturation lossis puas tsuaj rau cov qauv uas rhiab heev rau cua sov, thaum qhov kub qis tuaj yeem ua rau cov qauv ruaj khov. Kev xaiv qhov kub thiab txias kom zoo yog qhov tsim nyog nyob ntawm hom qauv.

Qhov ntim ntawm cov qauv tuaj yeem cuam tshuam loj heev rau txoj kev sib cais. Kev siv cov qauv ntau dhau tuaj yeem ua rau kev sib cais tsis zoo lossis ua rau cov raj centrifuge txhaws. Nws yog ib qho tseem ceeb kom sib npaug qhov ntim ntawm cov qauv nrog rau cov xwm txheej centrifugation kom tau txais txiaj ntsig zoo tshaj plaws.

Kev nce qib hauv kev siv tshuab centrifugation

Raws li thev naus laus zis txuas ntxiv mus, cov txheej txheem centrifugation kuj tau pom kev txhim kho tseem ceeb. Kev txhim kho ntawm microcentrifuges thiab ultracentrifuges tau hloov pauv kev sib cais cov qauv, ua rau muaj kev sib cais zoo dua thiab sai dua.

Cov tshuab microcentrifuges ua rau cov kws tshawb fawb ua tiav cov qauv me me nrog lub sijhawm ua kom nrawm dua thiab qeeb dua. Qhov no muaj txiaj ntsig zoo rau cov ntawv thov uas xav tau cov qauv me me lossis thaum ua haujlwm nrog cov qauv muaj nqis lossis tsawg.

Ntawm qhov tod tes, ultracentrifuges tuaj yeem tsim cov zog centrifugal siab, ua tiav kev sib cais zoo dua ntawm cov khoom me me nrog ntau qhov sib txawv. Lawv siv dav hauv kev tshawb fawb thiab chaw soj nstuam rau cov ntawv thov uas xav tau qhov tseeb thiab kev daws teeb meem siab heev.

Ntxiv rau cov khoom siv kho vajtse zoo dua, kev nce qib hauv kev tsim qauv rotor, xws li lub kaum sab xis ruaj khov, lub thoob swinging, lossis cov rotors ntsug, tau txhim kho ntxiv cov peev xwm thiab kev hloov pauv ntawm cov txheej txheem centrifugation.

Xaus lus:

Kev siv centrifugation yog ib txoj kev tseem ceeb rau kev sib cais thiab tshuaj xyuas cov khoom sib xyaw ua ke hauv ntau qhov chaw tshawb fawb thiab kev kho mob. Txawm hais tias nws yog rau kev cais cov cell, kev ntxuav cov protein, kev sib sau ua ke ntawm cov kab mob, lossis kev sib cais cov khoom me me, centrifugation muab ib txoj hauv kev txhim khu kev qha thiab ua tau zoo rau kev sib cais cov qauv. Nrog rau kev nce qib hauv thev naus laus zis, cov txheej txheem centrifugation txuas ntxiv mus, muab cov kws tshawb fawb nrog cov cuab yeej zoo dua rau lawv txoj kev tshawb fawb thiab kev xav tau kev tshuaj xyuas.