SKU: 44765492326

IL4R (Interleukin 4 Receptor) ELISA Kit (Small Sample)

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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

IL4R (Interleukin 4 Receptor) ELISA Kit (Small Sample)The IL4R (Interleukin 4 Receptor) ELISA Kit is a Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre coated with an antibody specific to Human IL4R. Standards or samples are added to the appropriate microtiter plate wells then with a biotin conjugated antibody specific to Human IL4R. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is

The IL4R (Interleukin 4 Receptor) ELISA Kit is a Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Human IL4R. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human IL4R. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Human IL4R, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Human IL4R in the samples is then determined by comparing the OD of the samples to the standard curve.

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SKU: 44765492326

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Donna Sue
Port Orchard, US
★★★★★ 5
Chuck it ball launcher
This is great! I have a blue healer that loves it. She will play fetch with the ball all day long. The launcher is easier on my shoulder. I can throw the ball twice as far and when she brings the ball back I can grab it with the launcher without touching a spit covered ball. Awesome buy!
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Reviewed in the United States on May 2, 2025
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Stephanie Straub
Draper, US
★★★★★ 5
Good find
Chuckit products are great, and was glad to find this for the Pitties that I pet sit for
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Reviewed in the United States on October 23, 2025
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D.G.
Pawtucket, US
★★★★★ 5
Great ball!
Color: Ultra, Size: Large
Our puppy loves this ball. It has held up well so far, it’s about 2 weeks now of large breed pup play. It’s been outside for the last week, rain or shine, still in working order. Not as big as I thought it would be though. No squeak, bounces well. Thick rubber like material, that can be depressed when biting down.
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Reviewed in the United States on May 14, 2026
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AnaC
Chelsea, US
★★★★★ 5
Great Quality and durability
Color: Ultra, Size: Large
I have a teething puppy and this is the only ball that has outlasted the rest!! Big chewer and still bounces and no tears! Keeps him entertained for hours!! Sturdy, solid, good quality and value!
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Reviewed in the United States on February 12, 2026
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Dana Kurtz
Carnegie, US
★★★★★ 5
Durable, even for a Great Dane!
Color: Ultra, Size: XXL
I've bought many tennis ball sized ChuckIt balls in the past (for medium sized dogs we've owned), so when we knew we were going to be babysitting our daughter's Great Dane, I bought a bigger one for her. The 4" is perfect for her! She plays catch with it, but also likes to gnaw on it. It holds up great!
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Reviewed in the United States on April 19, 2026

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