QuantiFERON-TB Gold Plus (QFT-Plus)
- High sensitivity (>94%) and specificity (>97%)
- Innovative CD8 T cell technology
- Unaffected by BCG vaccination
- Robust and reliable results
- Industry leading flexible blood collection options
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Cat No./ID:622130 QuantiFERON-TB Gold Plus 2 Plate ELISA Kit $775.00 2 sets of 12 x 8 Microplate Strips; IFN-gamma Standard, lyophilized; Green Diluent; Conjugate 100x Concentrate, lyophilized; Wash Buffer 20x Concentrate; Enzyme Substrate Solution; Enzyme Stopping Solution |
Cat No./ID:622433 QuantiFERON-TB Gold Plus Dispenser Pack $766.00 Dispenser pack of QFT-Plus Blood Collection Tubes in25 packs per carton, each pack including: 1 Nil tube, 1 TB1Antigentube, 1 TB2Antigentube and 1 Mitogentube. 1 Package Insert is included per carton. |
Cat No./ID:622536 QuantiFERON-TB Gold Plus Blood Collection Tubes $1,499.00 200 QFT-Plus Blood Collection Tubes (50 each:Nil, TB1, TB2 andMitogen tubes) |
Cat No./ID:622832 QuantiFERON-TB Gold PlusReference LabPack ELISA Kit $7,752.00 20 sets of 12 x 8 Microplate Strips; IFN-gamma Standard, lyophilized; Green Diluent; Conjugate 100x Concentrate, lyophilized; Wash Buffer 20x Concentrate; Enzyme Substrate Solution; Enzyme Stopping Solution |
Cat No./ID:623433 QuantiFERON-TB Gold Plus HA Dispenser Pack $766.00 Dispenser pack of QFT-Plus HA Blood Collection Tubes in25 packs per carton, each pack including: 1 Nil HA tube, 1 TB1AntigenHA tube, 1 TB2AntigenHA tube and 1 MitogenHA tube.1 Package Insert is included per carton. |
Cat No./ID:623536 QuantiFERON-TB Gold Plus HA Blood CollectionTubes $1,499.00 200 QFT-PlusHA Blood Collection Tubes (50 each: Nil, TB1, TB2 and Mitogen tubes) |
Reference
QuantiFERON-TB Gold Plus (QFT-Plus) ELISA Package Insert. 1095849 Rev. 02. August 2017.Product Details
QFT-Plus is an IFNγ release assay, commonly known as an IGRA, and measures the cell-mediated immune response to specific TB antigens in whole blood. The test employs standard phlebotomy procedures using whole blood to make sample collection easy and fast. Sample incubation can occur on-site or at the testing laboratory, providing your practice with complete flexibility and convenience. Patients may be tested in a single patient visit, with objective results.
QuantiFERON is a powerful Premolecular diagnostic technology that delivers results with high sensitivity, enabling the detection of M. tuberculosis infection even in early or latent stages. The QFT-Plus test employs a peptide cocktail simulating ESAT-6 and CFP-10 proteins to stimulate cells in heparinized whole blood. Detection of IFN-γ by ELISA is used to identify in vitro responses to these peptide antigens, which are associated with M. tuberculosis infection. Premolecular Diagnostics that employ QuantiFERON technology, like QFT-Plus, are able to detect infection at an earlier stage than is possible with DNA- and RNA-based molecular diagnostics.
- Collect whole blood, using one of two options: Direct draw: Collect 1 ml of whole blood directly into each of four QFT-Plus blood collection tube and hold at room temperature for up to 16 hours prior to incubation. Single lithium-heparin tube: Draw at least 5 ml of blood into a single blood collection tube containing lithium-heparin as the anticoagulant. Blood collected intoa single lithium-heparin tube may be stored at room temperature or refrigerated for up to 53 hours prior to transfer to QFT-Plus tubes and incubation. Note: QFT-Plus has 4 blood collection tubes: Nil, TB1, TB2, and Mitogen. Collect 1 ml of whole blood into each tube.
- Incubate for 16 to 24 hours at 37°C.
- Detect released IFNγ in harvested plasma by ELISA.
- Analyze results using QFT-Plus Analysis Software.
Refer to the Package Insert for detailedinstructions for use.
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