Human UBR4 (Ubiquitin Protein Ligase E3 Component N-Recognin 4) ELISA Kit
SKU: 33193712622

Human UBR4 (Ubiquitin Protein Ligase E3 Component N-Recognin 4) ELISA Kit

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Description

Human UBR4 (Ubiquitin Protein Ligase E3 Component N-Recognin 4) ELISA KitThe Human UBR4 (Ubiquitin Protein Ligase E3 Component N Recognin 4) ELISA immunoassay kit uses the Sandwich ELISA principle. The micro ELISA plate provided in this kit has been pre coated with an antibody specific to Human UBR4. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human UBR4 and Avidin Horseradish Peroxidase (HRP) conjugate are added

The Human UBR4 (Ubiquitin Protein Ligase E3 Component N-Recognin 4) ELISA immunoassay kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human UBR4. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human UBR4 and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human UBR4, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Human UBR4. You can calculate the concentration of Human UBR4 in the samples by comparing the OD of the samples to the standard curve.

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SKU: 33193712622

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LDS
Omaha, US
★★★★★ 4
Not for us, unfortunately.
Pattern Name: Chipmunk
Cute idea. We have doxies. Unfortunately, they ripped the apart in 5 minutes to get to the squeaker. I'm sure other breeds are more gentle with their toys. It would be a great toy for them.
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Reviewed in the United States on January 2, 2026
M
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Mary
Birmingham, US
★★★★★ 5
Very durable
Pattern Name: Chipmunk
Our dog loves this "squeaky." He got it as a gift 11 months ago and I finally had to replace it because he almost had the head and tail chewed off -- took him about a year of chewing. I almost hated to throw the old one away because the squeakers still worked! Our dog is small -- about 22 lbs. -- but is a terrier mix and loves playing tug-of-war with this Zippy toy and he also loves shaking it like crazy. It's a great value compared to the toys I find in the local pet stores. Most of those "die" because he punctures them with his teeth so they no longer squeak. This one is well worth the price.
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Reviewed in the United States on September 28, 2019
M
Verified Purchase
Momma K
Chelsea, US
★★★★★ 5
My big dogs FAVE!
Pattern Name: Chipmunk, Pattern Name: Chipmunk
These are the absolute best! We bought one in store over the holidays because they don’t have the stuffing that dogs like to pull out. My big dog thinks it’s his baby, but it’s light enough for my small dogs. As it got tattered from being carried, fetched, and bathed… we needed a replacement. He doesn’t do anything without his baby. He immediately took to this as it wasn’t brand new. Success with the replacement. I will definitely be buying again, because nobody one wants a sad pup.
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Reviewed in the United States on July 7, 2025
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Barb the Reviewer
Dallas, US
★★★★★ 5
Durable dog toy
These tall tails natural dog leather toys are great for my dogs. And even the stronger dogs who come to visit can't destroy them as fast as the other toys. The pups all have their favorite whether it is the log, the fox, or the bone.
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Reviewed in the United States on November 1, 2025
A
Verified Purchase
Ashley
Chelsea, US
★★★★★ 5
High quality!
High quality toy! Made with strong materials. My pup loves his lil chipmunky!
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Reviewed in the United States on October 18, 2025

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