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GenWay/Free Thyroxine (FT4) ELISA/GWB-BQK154/96 Well Plate
免费咨询热线
4000-520-616
Description:
Description | ThefT4ELISAkitisusedforthequantitativemeasurementoffreeThyroxine(fT4)inhumanserumorplasma.Over99%ofthyroxine(T4)circulatesinbloodisboundtocarrierproteins;thyroxine-bindingglobulin(TBG).However,onlythefree(unbound)portionofThyroxineisresponsIBLefortheBIOLOGicalaction.Further,theconcentrationsofthecarrierproteinsarealteredinmanyclinicalconditions,suchaspregnancy.Innormalthyroidfunctionastheconcentrationsofthecarrierproteinsalters,thetotalT4levelchangessothatthefreeT4concentrationremainsconstant.Thus,measurementsoffreeT4concentrationscorrelatemorereliablywithclinicalstatusthantotalT4levels.TheincreaseintotalT4levelsassociatedwithpregnancy,oralcontraceptivesandestrogentherapyresultinhighertotalT4levelswhilethefreeT4concentrationremainsbasicallyunchanged. |
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Species | Human |
SampleType | SerumorPlasma |
AdditionalInformation:
Name | FreeThyroxine(FT4)ELISA |
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ShortDescription | ThefT4ELISAkitisusedforthequantitativemeasurementoffreeThyroxine(fT4)inhumanserumorplasma.Over99%ofthyroxine(T4)circulatesinbloodisboundtocarrierproteins;thyroxine-bindingglobulin(TBG).However,onlythefree(unbound)portionofThyroxineisresponsibleforthebiologicalaction.Further,theconcentrationsofthecarrierproteinsarealteredinmanyclinicalconditions,suchaspregnancy.Innormalthyroidfunctionastheconcentrationsofthecarrierproteinsalters,thetotalT4levelchangessothatthefreeT4concentrationremainsconstant.Thus,measurementsoffreeT4concentrationscorrelatemorereliablywithclinicalstatusthantotalT4levels.TheincreaseintotalT4levelsassociatedwithpregnancy,oralcontraceptivesandestrogentherapyresultinhighertotalT4levelswhilethefreeT4concentrationremainsbasicallyunchanged. |
Reactivity | Human |