Ngwakọta nkewa EDTAK2
EDTA bụ onye na-aghọ aghụghọ nke na-eme ka calcium ion dị n'ọbara na-arụ ọrụ nke ọma, nke na-egbochi mkpụkọ ọbara.Gel nkewa, nke na-ekewapụ akụkụ mmiri mmiri ọbara kpamkpam ( serum ) site na akụrụngwa siri ike (sel ọbara) ma na-ejikọta ihe abụọ ahụ n'ime tube na ihe mgbochi.A na-eji ya maka ule nucleic acid.
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