SKU: 81857355717

Rat T4 (Thyroxine) ELISA Kit

Sale price$267.75 Regular price$297.50
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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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4.0 ★★★★★
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Stephanie Semons
Massapequa, US
★★★★★ 4
Beautiful color
Size: 16, Color: Rust Orange
Beautiful color and style. Would order more but it runs extremely small. I ordered size 16 and I normally wear a 14 with extra room, but these have no stretch and I suggest ordering 2 sizes larger than normal.
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Reviewed in the United States on February 17, 2026
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Mary Eileen Koehler
Draper, US
★★★★★ 5
Love this bag
Size: One Size, Color: Vintage Patch
Great bag
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Reviewed in the United States on September 26, 2024
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Tamara
Waukegan, US
★★★★★ 1
Not worth the price
Size: Medium, Color: Dark Cappuccino
Item was gifted for Christmas. Within 3 weeks stitching was coming out of the straps.
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Reviewed in the United States on January 12, 2026
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Chasie
Whiting, US
★★★★★ 5
Positive
Size: Medium, Color: Dark Cappuccino
The dark cappuccino brown is pretty. This is a favorite just because of the color of the tote. The inside lining color makes it easy to find items. I like it so much I ordered the black one.
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Reviewed in the United States on December 28, 2025
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S Gardner
Louisville, US
★★★★★ 5
Super cute… but not what the listing is
Size: One Size, Color: Dark Cappuccino, Size: One Size, Color: Dark Cappuccino
First of all, this listing is entirely inaccurate, as other reviews say, the picture is of a larger bag when in reality you are sent something much smaller and without the small wallet. I wanted the smaller bag, so I ordered it intentionally, but if you are looking for the larger size, do not order this. I included a side by side comparison of the two bags. The lighter bag is the size this listing is supposed to be (that I owned previously) and the smaller one is the one I was sent. That being said the smaller bag is super cute and so similar to the Brooklyn bag! Just be aware that it does not match the listing :)
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Reviewed in the United States on September 18, 2025

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