SKU: 82984102499

Human IFN-γ OneStep HS ELISA Kit

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Description

Human IFN-γ OneStep HS ELISA KitProduct Specification Antigen IFN Immunogen Recombinant Protein Antibody Type Recombinant mAb Reactivity Hu Purification Protein A Stability & Storage 12 months from date of receipt reconstitution, 2 to 8'C as supplied. Kit Precision Intra assay: 4. 5% Inter assay: 6. 0% Sample type Serum, Plasma Assay type Sandwich (quantitative) Sensitivity 0. 316pg ml Range 0. 78 pg mL 50 pg mL Recovery Serum: 94% Plasma: 97% Assay time 60 minutes Species

Product Specification


Antigen IFN-γ
Immunogen Recombinant Protein
Antibody Type Recombinant mAb
Reactivity Hu
Purification Protein A
Stability & Storage

12 months from date of receipt / reconstitution, 2 to 8'C as supplied.

Kit


Precision Intra-assay: 4.5%;
Inter-assay: 6.0%
Sample type Serum, Plasma
Assay type Sandwich (quantitative)
Sensitivity 0.316pg/ml
Range 0.78 pg/mL – 50 pg/mL
Recovery Serum: 94%
Plasma: 97%
Assay time 60 minutes
Species reactivity Human
NIBSC convert

The dose response curve of the International Standard (87/586) parallels the OneStep standard curve. To convert sample values obtained with the kit to approximate NIBSC (87/586) units, use the following equation: NIBSC (87/586) approximate value (IU/mL) = 0.02 x OneStep Human IFNγ value (pg/mL).

Background

Interferon gamma (IFN-γ) is a cytokine critical to both innate and adaptive immunity, and functions as the primary activator of macrophages, in addition to stimulating natural killer cells and neutrophils. A non-IgE-mediated anaphylactic reaction and severe bronchospasm have been reported once after the first injection of interferon gamma. IFN-γ activates cells via a different receptor than IFN-α and IFN-β, which accounts for the different physiological properties of the proteins. Production of IFN-γ is largely restricted to activated CD4+ TH1 T cells, CD8+ T cells, and natural killer cells. One of the most important consequences of IFN-γ secretion is the activation of macrophages. In addition, IFN-γ plays a central role in inflammatory responses by activating endothelial cells, promoting TH1 cell development and cellular immune responses, and up-regulation of major histocompatability complex protein expression on antigen-presenting cells.

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Exchange/Return Notes
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SKU: 82984102499

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4.3 ★★★★★
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Valerie P.
Port Orchard, US
★★★★★ 5
Long lasting, well loved
Color: Purple+Green
18 months later still intact and favorites!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
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Dana Fischer
Charlottesville, US
★★★★★ 5
Great quality!!
Color: Blue+Purple
These toys are great! My dog chews and tosses and loves these! She's an aggressive chewer, and they have held up through it all! Very well made toy!
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Reviewed in the United States on April 18, 2026
C
Verified Purchase
Casie Kempke
Omaha, US
★★★★★ 5
The indestructible sharkie
High and low have I searched when quite by accident I just happened upon the indestructible sharkie. We are fast approaching the 24 hour mark and sharkie is still with us. He has thus far resisted the incredibly strong, outrageously aggressive and persistent chewing of my Bernese mountain dog. Most don’t make it 20 min, so a whole day?!? Miracle!!! Not in love with the incessant squeaking that has followed me, but then again… that’s because this is actually not simply a review but a love story between a dog and his shark toy. Where others have failed, this one has endured. My water fearing dog has an obsession with shark shaped toys so while it would be nice to see a different character, truth is… I’ll be buying more sharkies. A lot of sharkies. Yard sharkie. Work sharkie. Maybe not house sharkie… but you get the point.
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Reviewed in the United States on July 8, 2023
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Jocelyn S
Grantham, US
★★★★★ 5
Great for tough chewers
I have purchased this twice! My dog absolutely loves it! He is a pit-bull Shepard mix and an extremely tough chewer. The first toy lasted almost a year of him chewing on it daily
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Reviewed in the United States on August 2, 2025
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Rev.Bubba.Colbaugh
Grantham, US
★★★★★ 4
my aggressive chewer had this in 4 pieces in 5 minutes
my labrador loved this toy so much, too much. it's now in the trash after 8min flat. had it in 4 pieces in 5 minutes. thanks for trying. don't know why i bother. big rope toys last the longest.
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Reviewed in the United States on October 4, 2022

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