Ethylenediaminetetraacetic acid (EDTA) bụ ihe na-emepụta ọla. Ihe a na-akpọ chelating pụtara na ọ nwere ike ijikọta ya na ụfọdụ ion ígwè ma mee ka ion metal ndị a kpara akpa ghara ịrụ ọrụ.

N'iji njirimara a nke EDTA, enwere ụdị ngwa abụọ na nnwale;

Otu ụdị bụ ngwa ntụgharị, nke na-egbochi mmeghachi omume ụfọdụ site na itinye aka na njikọ nke ion ígwè.

Were ion: N'ime mmeghachi omume ụfọdụ, ijikọ ion ígwè dị mkpa. Anyị na-ejikọta EDTA na ion ọla ndị a iji gbochie mmeghachi omume a.

Dịka ọmụmaatụ, coagulation ọbara chọrọ ntinye nke ion calcium. Anyị na-agbakwunye EDTA na ọbara iji chelate calcium ion na EDTA, si otú a na-egbochi ọbara coagulation. Nke a bụ ụkpụrụ nke EDTA anticoagulation;

Dị ka ihe atụ ọzọ, nkwadebe nke decalcification ngwọta na pathological staining na-ejikwa chelation mmetụta nke EDTA. Anyị maara na ọ bụrụ na anụ ahụ nwere calcium dị elu adịghị agbaze, ọ ga-esi ike ịkpụ n'ime anụ ahụ zuru oke mgbe a na-egbutu ya, n'ihi ya, ọ dị mkpa ka anyị decalcify tupu slicing.

E nwekwara ụdị ngwa na-aga n'ihu na-akwalite mmeghachi omume ụfọdụ site na itinye aka na njikọ nke ion metal.

Dịka ọmụmaatụ, tinye EDTA na ngwọta mgbaze trypsin. Ọ bụrụ na agbakwunyeghị EDTA, trypsin ga-ejikọta na calcium na magnesium n'elu cell ma ọ bụ na omenala omenala, si otú a na-egbochi ọrụ trypsin.

N'oge a, tinye ntakịrị EDTA iji kwe ka EDTA jikọta ya na calcium ndị ahụ efu, magnesium na ion ndị ọzọ divalent. N'oge a, a na-emepụta ọnọdụ dị mma maka ihe omume nke trypsin.

Ihe kachasị dị ịtụnanya gbasara EDTA bụ solubility ya. Ọ na-agbaze ntakịrị na mmiri wee pụta na-acha ọcha na mmiri. N'oge a, tinye sodium hydroxide iji dozie uru pH ya. Ka pH na-abawanye elu, ihe ngwọta na-aghọ Ọ na-edo anya ma doo anya. Mgbe pH dị nso na 8, ọ na-apụta kpamkpam. Ọ naghị atụ egwu acid kama alkali.

EDTA nwere ọtụtụ ihe mara mma. Enwere ike ịhụ na ihe ndị dị na okike dị oke egwu, ma anyị ahụbeghị ya.

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