T4 bụ isi ngwaahịa nke thyroid secretion, na hypothalamic-anterior pituitary-thyroid regulatory usoro ezughị ezu Iberibe efu.Ọ na-abawanye ọnụego metabolic basal ma na-arụ ọrụ dị mkpa na mmepe nke sel anụ ahụ niile.A na-echekwa T4 na follicle thyroid na thyroglobulin ma na-ezobe ya ma hapụ ya n'okpuru iwu nke TSH.Serum Ihe karịrị 99% nke T4 na T4 dị n'ụdị njikọ na protein ndị ọzọ.Nnwale maka ngụkọta T4 na nlele ọbara nwere ike ịma ma ị nwere ọrụ thyroid na-adịghị mma.
fTT4 n'ime serum/plasma ka ahụrụ nke ọma site na fluorescence immunochromatography.Ụkpụrụ bụ isi: Fiber nitrate T na C ahịrị ka etinyere na akpụkpọ ahụ akụkụ n'otu n'otu, a na-ekpuchikwa ahịrị T na mgbochi nje nke ghọtara kpọmkwem fTT4 antigen.A na-efesa pad ngwakọta na fluorescent nanomaterial labeled antibody b nke na-amata kpọmkwem fTT4, fTT4 na sample na-akpakọrịta na nanomaterial Labeled antibody b na-ejikọta na mgbagwoju anya, wee gaa n'elu.Mgbagwoju anya na-asọ mpi na T-line antigen, ọ nweghị usoro ijide;N'ụzọ dị iche, mgbe fTT4 adịghị na sample, antibody b na-ejikọta na antigen a mgbe ọkụ irradiation na-akpali akpali Mgbe, nanomaterials emit fluorescence mgbaàmà, na ike nke mgbaàmà bụ inversely hà nhata nke fTT4 na sample.
Ebe ọ bụ na e guzobe ya, anyị factory e ịzụlite mbụ ụwa klas ngwaahịa na adhering ụkpụrụ
nke àgwà mbụ.Ngwaahịa anyị enwetala aha ọma na ụlọ ọrụ na ntụkwasị obi bara uru n'etiti ndị ahịa ọhụrụ na ndị ochie.