Imveliso yobungcali yokwahlulahlula i-centrifuge kunye nomenzi woomatshini bamayeza - iZonelink

zeziphi ii-organelle ezahlulwe kwi-centrifugation nganye

2023-08-03

zonelink

I-Centrifugation: Ukutyhila uBume obufihlakeleyo be-Organelles

Intshayelelo:

I-Centrifugation yindlela enamandla esetyenziswa kwiinkalo ezahlukeneyo zesayensi, evumela ukwahlulwa kwezixhobo ezahlukeneyo zeseli. Kwihlabathi elinomdla lebhayoloji yeseli, ii-organelles zidlala indima ebalulekileyo kwaye ukuqonda imisebenzi yazo kubalulekile. Eli nqaku liphonononga inkqubo enomdla ye-centrifugation kwaye lityhila ii-organelles ezinokwahlulwa ngempumelelo kusetyenziswa le ndlela.

1. Ukuqonda i-Centrifugation:

I-Centrifugation yinkqubo esebenzisa amandla okukhawulezisa i-centrifugal ukwahlula iinxalenye zomxube ngokusekelwe kubuninzi bazo. Ngokubeka umxube kwi-high-speed spinning ngaphakathi kwi-centrifuge, iinxalenye ezinzima ziyahamba ziye ezantsi, zenze i-pellet, ngelixa iinxalenye ezikhaphukhaphu zihlala kwi-supernatant. Olu hluko luvumela izazinzulu ukuba zahlule kwaye zifunde iinxalenye ezithile ezinomdla.

2. Amandla e-Differential Centrifugation:

I-differential centrifugation yindlela eqhelekileyo esetyenziselwa ukwahlula ii-organelles ngokusekelwe kwizinga lazo lokutsalwa kwetyuwa. Ngokusebenzisa uthotho lwe-low-speed kunye ne-high-speed spins, le ndlela ivumela ukwahlulwa kwee-organelles ezahlukeneyo ngokulandelelana, ngokusekelwe kubuninzi bazo. Ngale ndlela, umxube ontsonkothileyo unokwahlulwahlulwa ube ziinxalenye ezahlukeneyo, nganye ityetyiswe zii-organelles ezithile.

2.1 I-Nuclei kunye ne-Mitochondria kwi-First Spin:

Ukuqala nge-centrifugation ngesantya esiphantsi kusetyenziselwa ukwahlula ii-organelle ezinkulu ezifana nee-nuclei kunye ne-mitochondria. Ezi organelles zinobunzima obuphezulu kwaye ziyakwazi ukuntywila ngesantya esiphantsi. Emva kokujikeleza kokuqala, i-supernatant iqulathe i-cytoplasmic fraction, ngelixa i-pellet inee-nuclei kunye ne-mitochondria.

2.2 I-Endoplasmic Reticulum kunye neGolgi Apparatus kwiSecond Spin:

I-supernatant efunyenwe emva kokujikeleza kokuqala, equlethe i-cytoplasmic fraction, inokujikeleza ngesantya esiphezulu ukuze i-pelletise i-endoplasmic reticulum (ER) kunye nesixhobo seGolgi. Ezi organelles, ezinoxanduva lokwenziwa kweproteni, ukuhlelwa, kunye nokuhanjiswa, zinobunzima obuphakathi. Ngoko ke, zahlulwe kweli nyathelo lesibini le-centrifugation.

3. Ukwahlula iiLysosomes kunye neePeroxisomes:

IiLysosomes kunye neeperoxisomes, ezibalulekileyo ekuwohlokeni kweemacromolecules kunye nokukhupha ubuthi kwizinto eziyingozi, ngokwahlukeneyo, zii-organelles ezimbini ezibalulekileyo ezifuna iindlela ezithile zokwahlulahlula.

3.1 I-Centrifugation ye-Density Gradient yeLysosomes:

Ukwahlula ii-lysosomes, kusetyenziswa i-density gradient centrifugation. Le ndlela ibandakanya ukudala i-gradient yokwanda koxinano, apho isisombululo esixineneyo sisezantsi kwaye esikhaphukhaphu siphezulu. Xa umxube oqulethe ii-lysosomes ufakwa kwi-centrifuge, ezi organelles ziya kwindawo yazo ethile yoxinano ngaphakathi kwe-gradient, zivumela ukwahlukana kwazo nezinye izinto.

3.2 Ukwenziwa kwe-Ultracentrifugation kwi-Peroxisomes:

Ngenxa yokufana koxinano phakathi kwe-peroxisomes kunye nezinye ii-organelles, kufuneka ezinye iindlela zokuzahlula. I-Ultracentrifugation, esebenzisa isantya esiphezulu kakhulu, ingasetyenziswa ukwahlula ii-peroxisomes kwezinye izinto ezixutyiweyo. Ngokusebenzisa umahluko omncinci woxinano, ii-peroxisomes zinokuxutywa ngokukhetha, nto leyo eyenza kube lula ukufunda nokuhlaziya kwazo.

4. Iimbono zexesha elizayo kunye nenkqubela phambili:

Njengoko iteknoloji iqhubela phambili, iinkqubela ezintsha kwiindlela zokusebenzisa i-centrifugation zihlala ziphucula ukuqonda kwethu ii-organelles kunye nemisebenzi yazo. Iinkqubela phambili zakutshanje ezisebenzisa i-isopycnic density gradient centrifugation kunye nokusetyenziswa kwe-nanotechnology ziye zanegalelo elikhulu ekuchanekeni nasekusebenzeni kakuhle kokwahlulwa kwe-organelle, nto leyo eyenza ukuba zibe zizixhobo ezinamandla zophando lwebhayoloji yeseli.

Isiphelo:

I-Centrifugation idlala indima ebalulekileyo ekuqondeni uyilo oluntsonkothileyo lweeseli ngokuvumela ukwahlukana kwee-organelles. Ukusuka kwi-nuclei ukuya kwi-mitochondria, i-endoplasmic reticulum ukuya kwi-golgi apparatus, i-lysosomes ukuya kwi-peroxisomes, nganye yezi organelles inemisebenzi kunye neendlela ezizodwa. Iindlela ze-Centrifugation, zidityaniswe neendlela ezintsha, zenza izazinzulu zikwazi ukuphonononga nzulu kwihlabathi elintsonkothileyo leeseli, zityhile iimfihlo ezifihliweyo kwi-organelles zazo.