SKU: 62440471

Human IFN-alpha21 ELISA Kit

Sale price$267.75 Regular price$297.50
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Human IFN-alpha21 ELISA KitThe Human IFN alpha21 ELISA kit is a sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre coated with an antibody specific to Human IFNa21. Standards or samples are added to the appropriate microtiter plate wells then with a biotin conjugated antibody specific to Human IFNa21. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added,

The Human IFN-alpha21 ELISA kit is a sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Human IFNa21. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human IFNa21. 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 IFNa21, 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 IFNa21 in the samples is then determined by comparing the OD of the samples to the standard curve.

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SKU: 62440471

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4.2 ★★★★★
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Julie Kennemore
Phoenix, US
★★★★★ 4
Good toy for dogs
This is a great toy! I do wish the handle was a little longer because I do not have a lot of upper body strength due to health issues. I can still throw with this further than I can without the launcher so my dogs really love it and get excited any time I get this out!
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Reviewed in the United States on May 6, 2026
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TATA
Lexington, US
★★★★★ 2
Good throw, bad ball
Ball cracked open after first fetch.
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Reviewed in the United States on May 20, 2026
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Verified Purchase
Happy Mommy
Charlottesville, US
★★★★★ 5
Good play!!!
Great item 😊
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Reviewed in the United States on February 6, 2026
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Verified Purchase
Debbie Armstrong
Carnegie, US
★★★★★ 3
Too small
Much smaller than it appeared to me in the picture. I did not read the length as I should. I would not have bought it if I saw it before purchasing. My 18 month old grandson now has a new toy.
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Reviewed in the United States on April 26, 2026
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Verified Purchase
Hayden Lauren Bennett
San Leandro, US
★★★★★ 5
Very convenient, soft, comfortable and does its job.
Size: 3 Pairs - Gray, Green, Pink
As a first responder being on your feet consistently in heavy boots really takes a toll. I buy new soles for my boots and noticed the inconsistency balance from heel to toe which caused cracked and dry heels. I was desperate to find an immediate solution and saw these. Received all the socks individually wrapped, I am a size 5 1/2 to 6 in women’s shoes and they fit so snuggly. They are convenient, they fit under my work socks due to them only covering a portion of the foot and heel, the inside where the heel is a soft rubber material that helps keeps it in place, as well as if you use ointment or oils. The socks are soft and very comfortable that at the end of the day you forget you are wearing them. They are also washable both in the washer or hand washed and it doesn’t affect the rubber material. Highly recommend especially after a foot spa day.
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Reviewed in the United States on January 20, 2025

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