yuav ua li cas centrifuge cais cov ntshav

Yuav Ua Li Cas Centrifuge Cais Cov Ntshav: Kev Nce Qib thiab Cov Txuj Ci

Kev Taw Qhia

Kev sib cais cov ntshav yog ib qho txheej txheem tseem ceeb hauv ntau yam kev siv biomedical, ua rau cov kws tshawb fawb, cov kws kho mob, thiab cov kws tshawb fawb kawm txog ntau yam khoom sib txawv ntawm cov ntshav sib cais. Centrifugation, ib txoj kev siv uas siv kev sib hloov ceev ceev, ua lub luag haujlwm tseem ceeb hauv kev sib cais cov ntshav ua nws cov khoom sib txawv. Tsab xov xwm no tshawb nrhiav cov ntsiab cai tom qab kev sib cais cov ntshav ntawm centrifugation thiab qhia txog kev nce qib thiab cov txheej txheem hauv daim teb no.

1. Lub Ntsiab Cai ntawm Centrifugation

Kev centrifugation ua haujlwm raws li lub hauv paus ntsiab lus ntawm kev tso dej, uas siv cov qhov sib txawv ntawm cov ntshav sib txawv. Thaum cov ntshav raug muab tso rau hauv lub centrifuge thiab tig sai sai, cov khoom me me txav mus rau hauv qab thaum cov khoom sib dua tseem nyob ze rau saum toj. Qhov kev sib cais no tau ua tiav vim yog lub zog centrifugal uas tsim los ntawm kev txav mus los, uas yog proportional rau qhov deb ntawm lub axis ntawm kev tig.

2. Hom Centrifuges

Cov centrifuges tuaj yeem muab faib ua ob hom: cov centrifuges sib txawv thiab cov centrifuges gradient density.

2.1 Cov Centrifuges Sib Txawv

Cov tshuab centrifuge sib txawv cais cov khoom ntshav raws li qhov sib txawv ntawm qhov loj thiab cov duab. Los ntawm kev siv qhov ceev thiab lub sijhawm sib txawv, lub centrifuge tuaj yeem cais cov qe ntshav liab, cov plaub mos mos (cov qe ntshav dawb thiab cov platelets), thiab cov plasma. Cov txheej txheem no feem ntau siv rau kev kuaj ntshav ib txwm muaj, xws li kev suav cov ntshav tag nrho thiab kev ntaus cov ntshav.

2.2 Cov Centrifuges Gradient Ceev

Cov tshuab centrifuges uas muaj qhov ceev sib txawv siv cov khoom sib txawv ntawm cov ntshav. Ib qho khoom siv uas muaj qhov ceev sib txawv, xws li cov kua sucrose lossis iodixanol, raug muab tso rau hauv ib lub raj, thiab cov ntshav raug ntxiv rau saum nws. Thaum lub sijhawm centrifugation, cov khoom sib txawv ntawm cov ntshav yuav txav mus los ntawm qhov ceev sib txawv, sib cais ua ntau pawg sib txawv. Cov txheej txheem no tso cai rau kev cais thiab ntxuav cov khoom sib txawv ntawm cov ntshav, xws li cov kab mob, cov protein, thiab cov organelles.

3. Kev Nce Qib Hauv Cov Txuj Ci Sib Cais Ntshav

3.1 Kev Siv Tshuab Centrifugation Ntau Heev

Kev siv ultracentrifugation, uas yog siv los tig cov ntshav nrog kev kub ceev heev, tau hloov pauv txoj kev sib cais cov ntshav. Nrog kev pab los ntawm ultracentrifugation, cov kws tshawb fawb tuaj yeem cais cov khoom uas tsis muaj ntau ntawm cov ntshav, xws li lipoproteins thiab exosomes. Cov txheej txheem no kuj siv rau hauv kev tshawb fawb txog cov kab mob sib kis, kev tshuaj xyuas cov noob caj noob ces, thiab cov txheej txheem xa tshuaj.

3.2 Kev Siv Tshuab Centrifugation Gradient Rau Kev Kawm Txog Cellular

Los ntawm kev sib txuas cov density gradient centrifugation nrog flow cytometry, cov kws tshawb fawb tuaj yeem kawm txog cov pej xeem cell tshwj xeeb. Cov txheej txheem no tso cai rau lawv cais cov cell sib txawv ntawm cov ntshav tag nrho raws li lawv cov cim tshwj xeeb lossis lwm yam ntxwv. Tsis tas li ntawd, density gradient centrifugation ua rau muaj kev cais cov cell los ntawm cov neeg mob qog noj ntshav rau kev tshuaj xyuas caj ces ntxiv, pab txhawb kev kho mob tus kheej.

4. Cov Ntawv Thov Kho Mob

4.1 Kev Hloov Ntshav

Kev siv lub tshuab centrifugation yog ib feem tseem ceeb ntawm cov txheej txheem hloov ntshav. Tom qab pub ntshav, cov ntshav uas tau sau tag nrho yuav raug tig hauv lub tshuab centrifuge kom cais nws ua nws cov khoom: cov qe ntshav liab, cov platelets, thiab cov plasma. Raws li tus neeg mob cov kev xav tau kho mob tshwj xeeb, cov khoom sib cais no tuaj yeem hloov tau raws li qhov xav tau. Piv txwv li, cov qe ntshav liab raug hloov thaum muaj kev los ntshav hnyav lossis ntshav tsis txaus, thaum cov plasma siv rau kev kho cov teeb meem ntshav txhaws.

4.2 Kev Kuaj Mob

Kev siv centrifugation yog qhov tseem ceeb hauv ntau yam kev kuaj mob. Piv txwv li, thaum lub sijhawm kuaj ntshav coagulation, cov plasma raug cais tawm ntawm cov qe ntshav kom ntsuas nws lub peev xwm coagulation. Nws kuj tseem siv los cais cov khoom tshwj xeeb rau kev kuaj xws li kev kuaj mob siab, kev kuaj mob raum, thiab kev tshuaj xyuas cov tshuaj hormones. Los ntawm kev sib cais thiab tshuaj xyuas cov khoom ntshav no, cov kws kho mob tuaj yeem kuaj mob ntau yam kab mob thiab saib xyuas kev noj qab haus huv ntawm tus neeg mob kom zoo.

Xaus lus

Kev siv lub tshuab centrifugation ua lub luag haujlwm tseem ceeb hauv kev cais cov ntshav ua ntau yam sib txawv, ua rau nkag siab tob txog tib neeg lub cev cov txheej txheem nyuaj. Nrog kev nce qib hauv cov txheej txheem centrifugation, cov kws tshawb fawb thiab cov kws kho mob tuaj yeem cais cov khoom ntshav tshwj xeeb kom raug thiab ua tau zoo dua. Los ntawm kev siv lub zog ntawm centrifugation, cov kws tshawb fawb txuas ntxiv nthuav lawv txoj kev paub txog cov kab mob ntsig txog ntshav, tsim cov kev kho mob tshiab, thiab txhim kho kev saib xyuas tus neeg mob.