SKU: 27962420105

Human TNF-A (Tumor Necrosis Factor Αlpha) ELISA Kit

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Description

Human TNF-A (Tumor Necrosis Factor Αlpha) ELISA KitThe Human (TNF A) Tumor Necrosis Factor lpha ELISA Kit measures Tumor Necrosis Factor alpha in samples. The plate has been pre coated with Human TNFA antibody. TNFA present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human TNFA Antibody is added and binds to TNFA in the sample. Then Streptavidin HRP is added and binds to the Biotinylated TNFA antibody. After incubation unbound Streptavidin HRP is washed

The Human (TNF-A) Tumor Necrosis Factor Αlpha ELISA Kit measures Tumor Necrosis Factor alpha in samples. The plate has been pre-coated with Human TNFA antibody. TNFA present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human TNFA Antibody is added and binds to TNFA in the sample. Then Streptavidin-HRP is added and binds to the Biotinylated TNFA antibody. After incubation unbound Streptavidin-HRP is washed away during a washing step. Substrate solution is then added and color develops in proportion to the amount of Human TNFA. The reaction is terminated by addition of acidic stop solution and absorbance is measured at 450 nm.

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SKU: 27962420105

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Cody
Birmingham, US
★★★★★ 1
Not for aggressive chewers!
Color: H) Infinity Ring, Color: H) Infinity Ring
Not for aggressive chewers! Done for in about two minutes. I unboxed this and tugged with my Mal for a but then let her have it. Within minutes she had chewed through it. Not worth the money.
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Reviewed in the United States on April 10, 2026
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Nicole Lomonaco
Lexington, US
★★★★★ 4
Dog ball
Color: A) Small 2.5" Ball
My dog enjoys but smaller than expected
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Reviewed in the United States on May 20, 2026
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Amy
San Leandro, US
★★★★★ 5
Great tough ball
Color: A) Small 2.5" Ball
Great ball for dogs who like to destroy most any ball. Our girl loves this. Yay!!!
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Reviewed in the United States on March 17, 2026
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Christopher D Smith
Whiting, US
★★★★★ 3
Not Quite So Durable...
Color: B) Medium 3" Ball, Color: B) Medium 3" Ball
Maybe I have a SUPER aggressive chewer...he went through this ball in under a week. I originally bought the ball because of a review that stated the owner's Pitbull had the same ball for two years; not so much for my Rottweiler. He started chewing off and swallowing small crumbs from the ball within a day or two. By the end of the week, it was chunks so I had to toss it in the trash to prevent an intestinal obstruction. On the up side, my Rottweiler LOVED the ball while it lasted. However, I can't, in good conscience, give this ball a rave review based on this experience. Please take this review with a grain of salt as I have yet to find ANY toy that my boy won't DESTROY in a week or two. I hope that someone finds this informative when searching for chew toys for SUPER aggressive chewers like mine.
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Reviewed in the United States on March 16, 2026
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Tracy C.
Birmingham, US
★★★★★ 5
The perfect toy for dogs!
Style: The Duo
This is perfect when you have 2 dogs who love to play Fetch! They no longer have to chase after the same ball! The balls that come with it are very sturdy, and the launcher sends both balls far enough away so that both dogs get plenty of exercise. It’s definitely worth the price!
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Reviewed in the United States on May 26, 2026

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