COVID-19 test kit GT12425
for neutralizing antibodySARS-COV-2fluorescence immunoassay

COVID-19 test kit
COVID-19 test kit
COVID-19 test kit
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Tested parameter
for neutralizing antibody
Analysis mode
fluorescence immunoassay
Result display time

12 min


Goldsite Diagnostics offers quantitative detection solution for SARS-CoV-2 neutralizing antibody on Time-resolved fluorescence immunoassay (TRFIA) platform GT-100. Principle: Time Resolved FluorolmmunoAssay (TRFIA) The TRFIA technology analyte from the sample binds with the fluorescent labeled antigens in the nitrocellulose membrane to form the immunocomplexes. Measurement of signal in TRFIA is due to fluorescence of lanthanide chelates (Europium, Samarium, and Terbium). The most commonly used lanthanide chelate label is the Europium ion (Eu3+). Once the antibody is bound to its target, a light source is used to excite the fluorophore, which then produces a transient light emission as it returns to its ground state.The light is emitted at a higher wavelength than, that which was used for excitation. The main benefits of using Eu3+ as fluorescent tag include high quantum yield, exceptionally large Stokes shift, narrow emission peaks, optimal excitation and emission wavelengths and minimal background fluorescence for traces detection of analyte. These properties permit measurement of a signal at a time after nonspecific fluorescence has diminished, increasing signal : background (S:B) ratio resulting in enhanced sensitivity. Features  - Result in ONLY 12 minutes  - ONE-STEP operation  - Single cartridge, NO additional buffers  - TRFIA Europium particles displays Clear and Bright results Specifications Cat.No - Description - Package size GT12425 - GT-100 SARS-CoV-2 Neutralizing Antibody Kit - 25 T Kit components List - Size/volume/quantity Reagent cartridge - 25 pcs Buffer - 1 pcs IFU - 1 pcs Transfer Pipette - 25 pcs Alcohol pad - 25 pcs Lancet - 25 pcs


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