SKU: 81857355717

Rat T4 (Thyroxine) ELISA Kit

Sale price$267.75 Regular price$297.50
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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7

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Description

Rat T4 (Thyroxine) ELISA KitThe Rat (T4) Thyroxine ELISA Kit measures Thyroxine in Rat samples. Add samples to the pre coated plate. Then add biotinylated antigen. The antigens in the samples compete with the biotinylated antigen to bind to the capture antibody and incubate. Unbound antigen is washed away during a washing step. An avidin HRP is then added and then incubate. Unbound avidin HRP is washed away during a washing step. TMB Substrate is then added and color develops.

The Rat (T4) Thyroxine ELISA Kit measures Thyroxine in Rat samples. Add samples to the pre-coated plate. Then add biotinylated antigen. The antigens in the samples compete with the biotinylated antigen to bind to the capture antibody and incubate. Unbound antigen is washed away during a washing step. An avidin-HRP is then added and then incubate. Unbound avidin-HRP is washed away during a washing step. TMB Substrate is then added and color develops. The reaction is stopped by addition of acidic stop solution and color changes into yellow that can be measured at 450 nm. The intensity of the color developed is inversely proportional to the concentration of T4 in the sample. The concentration of T4 in the sample is then determined by comparing the O.D. of the samples to the standard curve.

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SKU: 81857355717

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Cf637
Whiting, US
★★★★★ 5
Long lasting and the dogs really like them
Color: 1PC-Beef-Red
I purchased these over a year ago and they are still standing up to 2 heavy chewers and a medium dog.
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Reviewed in the United States on June 6, 2026
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David w.
Fort Morgan, US
★★★★★ 5
For aggressive chewers means just that!
Color: 1PC-Beef-Red
Large size means large. Very well constructed and made for the aggressive chewer I have at home.
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Reviewed in the United States on June 11, 2026
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Tatoani
Dallas, US
★★★★★ 3
Not completely indestructible but definitely long-lasting with plastic bits everywhere
Color: 1PC-Beef-Red
It's destructible it just takes a long time and tons of tiny little plastic pieces everywhere and even in your dog's stomach would not recommend due to wear and tear on dog's teeth and the plastic chips off.
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Reviewed in the United States on May 17, 2026
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Audrey Davis
Fort Morgan, US
★★★★★ 5
Great Product!!!
Color: 1PC-Beef-Red
This is the first toy my dog has not demolished. I need to buy more just like it just in case something happens to this one. It's worth every bit of the money I spent on it.
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Reviewed in the United States on June 5, 2026
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Amazon Customer
Dallas, US
★★★★★ 5
Coonhound approved!
My dog love loves these treats!! She gets so excited when she sees them come out of the Amazon package.
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Reviewed in the United States on February 3, 2026

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