Centrifuge tube centrifugation technology
Jan 18, 2026| Centrifugation tau siv dav hauv biological sciences, tshwj xeeb hauv biochemistry thiab molecular biology tshawb fawb. Txhua chav kuaj biochemistry thiab molecular biology yuav tsum tau npaj ntau hom centrifuges. Centrifugation feem ntau yog siv rau kev sib cais thiab kev npaj ntawm ntau yam kev kuaj lom. Thaum cov khoom siv roj ntsha raug muab tso rau hauv lub raj centrifuge thiab tig ntawm kev kub ceev, lub zog centrifugal loj heev ua rau tshem tawm cov microparticles (xws li organelles, precipitates ntawm biological macromolecules, thiab lwm yam) kom daws tau qhov nrawm, yog li cais lawv los ntawm kev daws teeb meem.
Lub hauv paus ntsiab lus: Thaum ib tug particle (biological macromolecule los yog organelle) raug rau centrifugal quab yuam nyob rau hauv siab -ceev rotation, no centrifugal quab yuam "F" yog txhais los ntawm cov nram qab no mis: F=ma=mω²r qhov twg ib - acceleration ntawm cov particle zoo. particle, ω - angular tshaj tawm ntawm particle rotation, thiab r - lub vojvoog ntawm kev sib hloov ntawm cov particle (cm). Lub zog centrifugal feem ntau yog qhia raws li ntau yam ntawm lub ntiaj teb lub ntiajteb txawj nqus, yog li nws yog hu ua txheeb ze centrifugal force "RCF". Xwb, nws tuaj yeem qhia tau los ntawm kev muab tus lej los ntawm "g". Piv txwv li, 25000 × g txhais tau hais tias tus txheeb ze centrifugal quab yuam yog 25000.