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Kugadzira michina ye centrifuge separator nekugadzira michina yemishonga nehunyanzvi - Zonelink

centrifuge inoshandiswa kuparadzanisa DNA kubva ku

Centrifuge: Chishandiso Chinochinja-chinja Chekuparadzanisa DNA

Nhanganyaya

Mukutsvaga kwemazuva ano kwezvehupenyu nekurapa, kuburitswa kweDNA kunoita basa guru. Masayendisiti anoda DNA yakachena uye isina kukuvara kuti vadzidze hunhu hwemajini, kugadzira mishonga yekurapa, uye kunzwisisa zvirwere zvakasiyana-siyana. Chimwe chishandiso chakakosha mukuita uku i centrifuge. Mudziyo uyu unoshandisa simba re centrifugal kuparadzanisa DNA kubva kune zvimwe zvikamu zvemasero, zvichigonesa vaongorori kuwana zvinhu zvemajini zvakachena. Muchinyorwa chino, tichaongorora nyika inonakidza yema centrifuge uye tichaongorora kuti anobatsira sei mukufambira mberi kwekutsvaga kweDNA.

Kunzwisisa Centrifugation

Kupinza zvinhu mumhepo (centrifugation) inzira inoshandiswa zvakanyanya mubiology ne biotechnology kupatsanura musanganiswa zvichibva pakusiyana kwehuwandu hwezvinhu. Kupinza zvinhu mumhepo (centrifuge) kunoparadzanisa musanganiswa nekushandisa simba guru regiravhiti kumusanganiswa, zvichiita kuti zvinhu zviwedzere kukora kana kuyerera. Maitiro aya akafanana nekutamba kwemhepo ine simba apo masimba anoshanda pamusanganiswa, achisundira zvinhu zvakasiyana-siyana munzvimbo dzakasiyana.

Kushandisa Centrifugation pakuparadzanisa DNA

DNA, ine tambo dzayo refu, dzakasungirirwa, inoda kubatwa nokungwarira panguva yekuparadzaniswa. Kuparadzanisa masero kunoita kuti pave nenzvimbo inodzorwa yekuparadzanisa uku. Kuburikidza nekutenderera kwakanyatsojeka, masero anoparadzanisa mamorekuru eDNA kubva kune zvimwe zvikamu zvemasero zvakaita semapuroteni, mafuta, uye RNA, zvichibvumira vaongorori kudzidza hunhu hwayo hwakasiyana.

Kukosha kwekuparadzaniswa kweDNA

DNA, iyo ipurani yehupenyu, ine kiyi yekufambira mberi kwesainzi kusingaverengeki. Kungave kuongorora tsika dzekare kuburikidza nezvinocherwa mumatongo kana kugadzira mishonga yemunhu, kuchena uye kunaka kweDNA yakabviswa kwakakosha. Kugadzira DNA ine simba rekuita kuti DNA ive yakachena, nokudaro zvichibvumira vaongorori kuti vanyatsoongorora zvakavanzika zvemasero.

Mhando dzeCentrifuges

MaCentrifuge anouya mumhando dzakasiyana-siyana, imwe neimwe yakagadzirirwa zvinangwa zvekutsvaga. Zvishandiso izvi zvinopa ruzivo rwakasiyana-siyana rwema ultracentrifuge, microcentrifuge, uye preparative centrifuge, uye zvinopa ruzivo rwakasiyana-siyana rwekutsvaga kwesainzi.

Macentrifuge eUltracentrifuge

Ma "Ultracentrifuge", sezita rinoratidza, anoshanda nekumhanya kwakanyanya, zvichibvumira kupatsanurwa kwezvikamu zvidiki pane micrometer. Anokwanisa kuwana masimba anodarika 500,000 gravity, ma "ultracentrifuge" akakosha pakudzidza maumbirwo emasero uye kupatsanura masampuli eDNA akapfava.

Microcentrifuges

Ma "microcentrifuge", nehukuru hwawo hudiki, ndiwo ma "workhorses" akawanda ekutsvaga ruzivo. Ma "centrifuge" aya anokwanisa kusvika pamasimba anosvika zviuru makumi maviri zvesimba rinokwevera pasi, zvichiita kuti ave akakodzera kutorwa kweDNA nguva dzose uko huwandu hudiki hwesampuro hwakakwana.

MaCentrifuge ekugadzirira

Yakagadzirirwa huwandu hukuru, ma "centrifuge" ekugadzirira anoshandiswa kana huwandu hwakawanda hweDNA huchidikanwa. Rudzi urwu rwe "centrifuge" runobvumira kugadzirisa huwandu hwakawanda hwesampuro, zvichiita kuti ive yakakodzera kushandiswa mumaindasitiri kunoda kubviswa kweDNA yakawanda, senge DNA sequencing kana forensic analysis.

Maitiro Ekuparadzaniswa kweDNA

Kuwana DNA yakachena kuburikidza ne centrifugation kunosanganisira matanho anoverengeka akakosha:

1. Kugadzirira Muenzaniso: Danho rekutanga rinosanganisira kupatsanurwa kwezvinhu zvipenyu zvine DNA yaunoda. Izvi zvinogona kuva ropa, nyama, kana chero chimwe chinhu chine majini anodiwa.

2. Kushanda kwemasero: Kuti DNA ibudiswe, masero anokanganiswa uye ma membrane awo anotyoka, zvichiita kuti DNA ibudiswe mumhinduro. Maitiro aya anosanganisira kushandisa nzira dzakatarwa dzinodzivirira DNA kubva mukuora.

3. Kutenderedza: Sampuro yakagadzirwa inoiswa muchubhu ye centrifuge, uye mushure mekugadzirisa ma parameter akakodzera, centrifuge inotanga kufamba. Kutenderera kunogadzira simba guru rekudhonza, zvichiita kuti zvidimbu zviparadzane zvichienderana nekuwanda kwazvo. Nekufamba kwenguva, zvidimbu zveDNA zvakawandisa zvinodonha pasi pechubhu, zvichisiya zvimwe zvikamu zviri pamusoro.

4. Kuunganidzwa kweDNA: Kana nzira ye centrifugation yapera, mvura iri pamusoro peDNA pellet inobviswa nokungwarira, zvichisiya chete madhaka eDNA anokosha. DNA inozomiswa mubuffer yakakodzera, zvichiita kuti igare yakasimba uye yakakodzera kuongororwa kunotevera.

Mhedziso

Kugona kunoshamisa kwe "centrifuge" kuparadzanisa DNA kubva kune zvimwe zvikamu zvemasero kwakachinja tsvakiridzo yemajini. Kuburikidza ne "centrifugation", masayendisiti anowana mukana wekuwana sampuro yeDNA yakachena, yakakosha pakunzwisisa hunhu hwemajini, kugadzira nzira dzekurapa, uye kudzidza zvirwere zvakasiyana-siyana. Sezvo tekinoroji ichifambira mberi, "centrifuge" dziri kuramba dzichichinja, zvichiwedzera kushanda nekukurumidza kwekuparadzaniswa kweDNA. Nekubudirira kwega kwega, tinoswedera pedyo nekuvhura zvakavanzika zviri mukati meDNA uye kushandura kunzwisisa kwedu hupenyu pachahwo.

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