The fluorecare® fT4 test kit offers a highly sensitive and specific method for evaluating thyroid health. Since fT4 is the metabolically active form of thyroxine, its measurement is crucial for diagnosing hyperthyroidism and hypothyroidism. This integrated POCT solution allows healthcare providers to obtain laboratory-quality results quickly, facilitating immediate clinical decisions.

Product Introduction

The fluorecare® Free Thyroxine (fT4) Diagnostic Kit is a quantitative immunofluorescence assay developed by Microprofit Biotech for measuring fT4 levels in human serum or plasma. It is an essential component of the thyroid function panel on the fluorecare® POCT platform.

Detection Principle

The kit uses a competitive immunodetection method. Free T4 in the sample competes with coated antigens for fluorescent-labeled antibodies. The resulting signal intensity is negatively correlated with the fT4 concentration, which is then calculated and displayed by the fluorecare® analyzer.

Clinical Applications

Primary screening and diagnosis of thyroid dysfunction.

Monitoring treatment for patients with thyroid disorders.

Evaluation of the pituitary-thyroid axis in combination with TSH tests.

Assessment of thyroid status during pregnancy.

Frequently Asked Questions

What is the reference range for fT4? The typical reference range is 12-22 pmol/L (0.93-1.7 ng/dL).

Does the test require special storage? No, it is stable at room temperature (2-30°C).

How much sample is needed? The test requires 70μL of serum or plasma.

Compatible Analyzer

Optimized for the fluorecare® MF-T1000 analyzer and MF-C100 incubator.

Competitive FIA technology for high sensitivity.

Quantitative results in 15 minutes.

CE certified for international diagnostic use.

User-friendly with internal calibration via ID chip.

Excellent correlation with major laboratory immunoassay systems.


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REF

MF-24

Product Name

Free Thyroxine(FT4)Diagnostic Kit

Method

Immunochromatographic assay

Qualification

CE

Testing content

Free Thyroxine(FT4)

Sample Type

Serum、plasma

Sample

Volume(uL)

70μL

Working Range

 2-70 pmol/L

Reaction Time

min)

15

Storage Temperature

2-30℃

Shelf Life

18 months

Applied Instrument

fluorecare® MF-T1000 Dry-type Immunofluorescence Quantitative Analyzer
fluorecare® MF-C100 Incubator

Specification

20 tests/kit

25 tests/kit

Size(L*W*H)mm/Kit

145*115*75

205*138*83

Weight(kg)/Kit

0.280

0.337

Kit components

Test Card( including the desiccant):20 Cassettes

Diluent:20 tubes

ID Chip:1 Piece

Instruction:1 Copy

Test Card ( including the desiccant):25 Cassettes

Diluent:25 tubes

ID Chip:1 Piece

Instruction:1 Copy

fluorecare® Free Thyroxine (fT4) Test Kit | Quantitative FIA POCT Solution

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