2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Isopycnic gradient centrifugation tshwm sim thaum centrifugation txuas ntxiv mus txog rau thaum tag nrho cov khoom hauv cov gradient tau mus txog qhov chaw uas lawv qhov ntom ntom yog sib npaug ntawm qhov nruab nrab. Hom centrifugation no cais cov khoom sib txawv raws li lawv qhov sib txawv.
Lub hauv paus ntsiab lus ntawm qhov ntom ntom ntom nti centrifugation txheej txheem yog dab tsi?
Density gradient centrifugation tau tshaj tawm tias yog ib qho cuab yeej rau kev sib cais ntawm cov kab mob los ntawm cov khoom noj matrices. Lub hauv paus ntsiab lus yog ua raws li qhov txo qis ntawm kev ncua kev daws teeb meem thiab kev tsiv teb tsaws ntawm cov hom phiaj mus rau qhov sib npaug ntawm cov qauv raj thaum lub sij hawm centrifugation.
Dab tsi yog siv qhov ceev gradient centrifugation?
Density gradient centrifugation enables cov kws tshawb fawb cais cov tshuaj raws li qhov loj me, cov duab, thiab qhov ntom ntom. Meselson thiab Stahl tau tsim ib hom kev ceev gradient centrifugation, hu ua isopycnic centrifugation uas siv cov tshuaj ntawm cesium chloride los cais DNA molecules raws li qhov ceev ib leeg.
Yuav ua li cas yog qhov ceev gradient siv nyob rau hauv sib txawv centrifugation?
Density gradient centrifugation ua kev sib cais ntawm cov khoom kom huv dua li qhov sib txawv ntawm cov centrifugation los ntawm kev siv lub matrix ntom rau cov khoom txav mus los ntawm. Cov txheej txheem sib txawv centrifugation muaj ntau yam centrifugation cov kauj ruam ntawm incrementally nce centrifugalforce.
Dab tsi yog txheej txheem gradient qhov ceev?
Hauv kev tshawb fawb txog lub neej, cov txheej txheem tshwj xeeb hu ua density gradient sib cais yog siv rau kev cais thiab ntxuav cov hlwb, cov kab mob thiab cov kab mob subcellular. Kev hloov pauv ntawm qhov no suav nrog Isopycnic centrifugation, Differential centrifugation, thiab Sucrose gradient centrifugation.
Pom zoo:
Qhov gradient steepest nyob qhov twg?
Ib lo lus, qhov gradient ∇f(a) cov ntsiab lus nyob rau hauv cov kev taw qhia ntawm qhov loj tshaj qhov nce ntawm f, uas yog, cov kev taw qhia ntawm steepest ascent. Tau kawg, qhov kev taw qhia ntawm oppo-site, −∇f(a), yog kev taw qhia ntawm qhov siab tshaj plaws.
Los ntawm qhov ceev gradient centrifugation?
Isopycnic gradient centrifugation tshwm sim thaum centrifugation txuas ntxiv mus txog rau thaum tag nrho cov khoom hauv cov gradient tau mus txog qhov chaw uas lawv qhov ntom ntom yog sib npaug ntawm qhov nruab nrab. Hom centrifugation no cais cov khoom sib txawv raws li lawv qhov sib txawv.
Qhov twg yog qhov xwm txheej ceev ntawm oncologic?
Cov xwm txheej tshwm sim ntawm oncologic muaj xws li Superior Vena Cava Syndrome Superior Vena Cava Syndrome Superior vena cava syndrome tshwm sim los ntawm qhov lojntawm qhov nruab nrab nruab nrab thiab qhov cuam tshuam ntawm cov txheej txheem mediastinal ua rau cov ntshav tsis zoo.
Qhov twg yuav ceev faj zoo dua lossis ceev faj?
Precautious txhais tau tias ua ntej ib yam dab tsi tshwm sim. Ib tug neeg ceev faj yog ceev faj, tshwj xeeb tshaj yog thaum muaj xwm txheej txaus ntshai. Ib tug neeg uas tau ceev faj tau xav txog tej yam tsis zoo thiab tab tom ua ib yam dab tsi los npaj kom tsis txhob tshwm sim.
Dab tsi yog qhov ceev ntawm cov hlau raug tshem tawm los ntawm lub cuab yeej ntawm lub workpiece?
1. Kev nrawm . Kev txiav ceev (v) ntawm ib lub cuab yeej yog qhov ceev uas cov hlau raug tshem tawm los ntawm lub cuab yeej ntawm lub workpiece. Nyob rau hauv ib lub tshuab dhos, nws yog lub peripheral ceev ntawm kev ua hauj lwm yav dhau los cov cuab yeej txiav qhia nyob rau hauv meters ib feeb.
