One Step Diagnostic Kit Lymphatic Filariasis Igg/Igm Rapid Test Device

• Customization: Available
• Type: IVD Reagent
• Component: Rapid Test + Buffer + Pipettes
• Model NO.: FIL
• Specimen: Whole Blood, Serum, Plasma
• Result Time: Within 15 Mins
• Storage: 2~30 º C
• Principle: Immunochromatography
• Shelf Life: 24 Months
• Certificate: ISO
• Usage: Professional Used
• Transport Package: 40tests/Box
• Specification: 1000tests/Carton
• Trademark: Dewei
• Origin: China

Product Description

INTENDED USE
The Filariasis IgG/IgM Rapid Test is a lateral flow immunoassay for the simultaneous detection and differentiation of IgG and IgM anti-lymphatic filarial parasites (W. Bancrofti and B. Malayi) in human serum, plasma or whole blood. This test is intended to be used as a screening test and as an aid in the diagnosis of infection with lymphatic filarial parasites. Any reactive specimen with the Filariasis IgG/IgM Rapid Test must be confirmed with alternative testing method(s).
For professional use only.
For in vitro diagnostic use only.
 

Storage	2~30 º C
Specimen	Whole Blood/Serum/Plasma
Component	Rapid Test + Buffer + Pipettes
Principle	Colloidal gold rapid tests
Reading	Within 15mins
Package	40tests/box
Trademark	Dewei
Origin	China

INTRODUCTION
The lymphatic filariasis known as Elephantiasis, mainly caused by W. bancrofti and B. malayi, affects about 120 million people over 80 countries. The disease is transmitted to humans by the bites of infected mosquitoes within which the microflariae sucked from an infected human subject develops into third-stage larvae. Generally, repeated and prolonged exposure to infected larvae is required for establishment of human infection.
The definitive parasitologic diagnosis is the demonstration of microflariae in blood samples. However, this gold standard test is restricted by the requirement for nocturnal blood collection and lack of adequate sensitivity. Detection of circulating antigens is commercially available. Its usefulness is limited for W. bancrofti. In addition, microfilaremia and antigenemia develop from months to years after exposure.
Antibody detection provides an early means to detect filarial parasite infection. Presence of IgM to the parasite antigens suggest current infection, whereas, IgG corresponds to late stage of infection or past infection. Furthermore, identification of conserved antigens allows 'panfilaria' test to be applicable. Utilization of recombinant proteins eliminates cross-reaction with individuals having other parasitic diseases. The Filariasis IgG/IgM Rapid Test uses conserved recombinant antigens to simultaneously detect IgG and IgM to the W. bancrofti and B. malayiparasites without the restriction on specimen collection.

PRINCIPLE
The Filariasis IgG/IgM Rapid Test is a lateral flow chromatographic immunoassay. The test cassette consists of: 1) a burgundy colored conjugate pad containing recombinant W. bancrofti and B. malayicommon antigens conjugated with colloid gold (Filariasis conjugates) and rabbit IgG-gold conjugates, 2) a nitrocellulose membrane strip containing two test bands (T1 and T2 bands) and a control band (C band). The T1 band is pre-coated with monoclonal anti-human IgM for the detection of IgM anti-W. bancrofti and B. malayi, T2 band is pre-coated with reagents for the detection of IgG anti-W. bancrofti and B. malayi, and the C band is pre-coated with goat anti rabbit IgG.
When an adequate volume of test specimen is dispensed into the sample well of the cassette, the specimen migrates by capillary action across the cassette. W. bancrofti or B. malayi IgM antibodies if present in the specimen willbind to the Filariasis conjugates. The immunocomplex is then captured on the membrane by the pre-coated anti-human IgM antibody, forming a burgundy colored T2 band, indicating a W. bancrofti or B. malayi IgM positive test result.

MAIN CONTENTS
• Rapid test cassette with desiccant   
• Buffer
• Disposable pipettes              
• Package insert

DIRECTION OF USE
Bring tests, specimens, buffer and/or controls to room temperature (1530°C) before use.

1. Remove the test from its sealed pouch, and place it on a clean, level surface. Label the test with patient or control identification. For best results, the assay should be performed within one hour.

2. Transfer 1 drop of whole blood, serum or plasma specimen to the specimen well (S) of the device with the provided disposable pipette, then add 1~2 drops of buffer and start the timer.

3. Wait for colored line(s) to appear. Interpret the test results in 15 minutes. Do not read results after 20 minutes.

INTERPRETATION OF RESULTSPositive :
IgG Positive: Both IgG test region (G) and control region appear color line.
IgM Positive: Both IgM test region (M) and control region appear color line.
IgG/IgM Positive: Both test region (G and M) and control region appear color line.
Negative :
Only one color line appears on the control region (C).
Invalid:
No visible line at all, or there is a visible line only in the test region and not in the control region. Repeat with a new test kit.

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