Shin centrifuge yana raba DNA daga sunadaran

Shin Centrifuge yana raba DNA daga Sunadaran?

Gabatarwa

Centrifugation wata muhimmiyar dabara ce da ake amfani da ita sosai a binciken kimiyya da dakunan gwaje-gwaje na asibiti don raba sassa daban-daban na samfurin bisa ga yawansu. Ɗaya daga cikin aikace-aikacen wannan dabarar ya haɗa da ware DNA da sunadarai daga wani samfurin halitta. A cikin wannan labarin, za mu bincika ko centrifuge yana da ikon raba DNA daga sunadarai yadda ya kamata kuma mu bincika hanyoyin daban-daban da ake amfani da su don cimma rabuwa mai inganci.

Fahimtar Tsarin Tsaftacewa

Kafin a zurfafa bincike kan takamaiman abubuwan da ke raba DNA daga sunadarai ta amfani da centrifuge, yana da mahimmanci a fahimci muhimman ka'idojin centrifugation. Centrifuge yana aiki ne bisa ga ƙa'idar sedimentation kuma yana amfani da juyawa mai sauri don ƙirƙirar ƙarfin centrifugal mai ƙarfi. Wannan ƙarfin yana sa barbashi a cikin samfurin su rabu bisa ga yawansu, tare da barbashi masu yawa suna ƙaura zuwa ƙasan bututun samfurin. Saboda haka, barbashi masu sauƙi suna zama a saman.

Kalubalen Raba DNA da Sunadaran

Idan ana maganar raba DNA da sunadarai, yana haifar da ƙalubale tunda ƙwayoyin biyu suna da nau'ikan nauyin ƙwayoyin halitta iri ɗaya. Ba tare da wata dabarar rabuwa mai tasiri ba, yana da wuya a sami samfuran DNA ko furotin tsarkakakku. Duk da haka, centrifugation na iya taimakawa wajen aiwatar da rabuwa, amma ƙila ba zai isa ba da kansa.

1. Bambancin Tsaftacewa: Rabuwar Farko

2. Ultracentrifugation: Ingantaccen Rabuwa

3. Tsarin Nauyin Nauyin Nauyin Nauyi: Inganta Tsarin

4. Muhimmancin Zaɓin Buffer

5. Tsarin centrifugation idan aka kwatanta da sauran dabarun rabuwa

Bambancin Centrifugation: Rabuwar Farko

Bambancin centrifugation shine mataki na farko wajen raba DNA daga sunadarai. Wannan hanyar tana amfani da saurin centrifugation daban-daban don cimma rabuwa mai faɗi na sassan tantanin halitta. A lokacin wannan aikin, ƙwayoyin da aka haɗa ko samfuran nama ana sanya su a cikin centrifugation mai ƙarancin sauri, yawanci kusan juyin juya hali 1000-5000 a minti ɗaya (rpm). Wannan ƙaramin juyawa yana ba da damar raba ƙwayoyin nuclei da ƙwayoyin da ba su da kyau, wanda ke haifar da rarrabuwar ɗanyen abu. Duk da haka, ba ya samar da cikakken rabuwar DNA da sunadarai.

Ultracentrifugation: Ingantaccen Rabuwa

Domin shawo kan iyakokin centrifugation na bambancin centrifugation, ultracentrifugation yana shiga wurin. Ultracentrifuges sune centrifuges masu saurin gudu waɗanda zasu iya kaiwa gudun rpm 100,000. Ta hanyar sanya ɗanyen yanki da aka samu daga farkon centrifugation mai ƙarancin gudu zuwa ultracentrifugation, za a iya cimma babban matakin rabuwa tsakanin DNA da sunadarai. Manyan ƙwayoyin DNA suna lanƙwasa zuwa ƙasan bututun, suna samar da pellet da ake gani, yayin da furotin ke kasancewa a cikin babban abu.

Tsarin Nauyin Nauyin Nauyi: Inganta Tsarin

Don ƙara inganta rabuwar DNA da sunadarai, ana amfani da centrifugation mai yawa. A cikin wannan dabarar, ana shirya wani matsakaici mai yawa, kamar sucrose ko cesium chloride. Wannan matsakaici ya ƙunshi nau'ikan yawa, yana ƙaruwa daga sama zuwa ƙasan bututun centrifuge. An sanya ɓangaren da ba a so daga matakin da ya gabata a hankali a saman ƙaramin ƙarfin kuma an sake sanya shi cikin ultracentrifugation. DNA da sunadarai suna rabuwa bisa ga yawan ƙarfinsu kuma suna samar da madaukai daban-daban a cikin ƙaramin ƙarfin. Rarraba ƙaramin ƙarfin yana ba da damar dawo da samfuran DNA da furotin tsarkakakku.

Muhimmancin Zaɓin Buffer

Ma'ajiyar da ake amfani da ita yayin centrifugation tana taka muhimmiyar rawa wajen cimma rabuwa mai inganci. Yana shafar kwanciyar hankali da amincin ƙwayoyin da aka raba. Ga DNA, ana amfani da ma'ajiyar Tris-EDTA mai pH na 8.0 saboda ikonsa na kiyaye daidaiton DNA. A gefe guda kuma, sunadaran suna buƙatar ma'ajiyar da ke da takamaiman matakan pH, yawanci kusan 7.0, don hana denaturation da kuma kula da tsarin asalinsu. Zaɓi ma'ajiyar da ta dace yana tabbatar da rabuwar DNA da sunadarai yadda ya kamata ba tare da lalata ingancinsu ba.

Tsarin centrifugation idan aka kwatanta da sauran dabarun rabuwa

Duk da cewa centrifugation wata dabara ce da ake amfani da ita sosai wajen raba DNA daga sunadaran, yana da muhimmanci a fahimci cewa ba ita ce kawai hanyar da ake amfani da ita ba. Sauran dabarun, kamar chromatography, electrophoresis, da precipitation, na iya ƙara centrifugation don cimma rabuwa mai kyau. Kowace dabara tana da fa'idodi da ƙuntatawa, kuma masu bincike sau da yawa suna haɗa hanyoyi da yawa don samun tsarkin da ake so da kuma dawo da DNA da sunadaran.

Kammalawa

A ƙarshe, yayin da centrifuge yana da amfani wajen raba DNA daga sunadarai, yana aiki mafi kyau tare da wasu dabaru. Bambancin centrifugation, ultracentrifugation, da centrifugation gradient gradient centrifugation suna samar da jerin matakan rabuwa waɗanda ke taimakawa wajen samun samfuran tsabta. Bugu da ƙari, zaɓar ma'ajiyar da ta dace da la'akari da wasu dabarun rabuwa suna ƙara haɓaka ingancin rabuwar DNA-protein gaba ɗaya.