SKU: 33691315197

Human IL-21 ELISA Kit

Sale price$267.75 Regular price$297.50
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Description

Human IL-21 ELISA KitThe Human IL 21 ELISA kit is a sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre coated with an antibody specific to Human IL21. Standards or samples are added to the appropriate microtiter plate wells then with a biotin conjugated antibody specific to Human IL21. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those

The Human IL-21 ELISA kit is a sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Human IL21. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human IL21. 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 IL21, 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 IL21 in the samples is then determined by comparing the OD of the samples to the standard curve.

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SKU: 33691315197

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Jose Orellano
Natrona Heights, US
★★★★★ 5
Excelente
Number of Items: 2
Excelente
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Reviewed in the United States on July 28, 2025
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Joe Doakes
Louisville, US
★★★★★ 5
Ya Just Gotta Have One
Size: 7.2 Surround + 3 HDMI
This is a must-have for in-wall wiring of your surround. I chose this one because I installed a 7.2 system with gold-plated jacks and it worked out great. You can get almost any combination of HDMI, subs/surrounds that you need (5.1, 5.2, 7.1, 7.2 etc). Do your planning on location and wire-routing; get good quality speaker wire and HDMI (high-speed with Audio Return Channel); get the remod-style mounting bracket/box then cut your hole at the same height/level as your electrical outlets and preferably between the same studs as your TV's wire-box so your HDMIs just run straight up to the TV (remember to install the bracket BEFORE you run your wires). When connecting the wires to these terminals, it's best to have 10 to 12 inches of wire coming out of the wall because you need space for your hands to manipulate the wires and nuts on the terminals. If you have a basement with access to the floor below the mounting location, it's best to drill 4 half-inch holes straight up through the bottom plate of the wall and feed your wires up those holes. Tip: If your TV and Surround Receiver are fully compatible you really only need 1 HDMI port on the wall plate, because you can plug your devices into the receiver and just sent the A/V/data to the TV while the audio is returned over the same HDMI.
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Reviewed in the United States on December 2, 2016
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Verified Purchase
Robert E. Hoffman
Phoenix, US
★★★★★ 5
Made a wire nest look fairly neat.
Size: 7.1 Surround + HDMI
My only complaint is that it wasn't available in black as it's in a dark walled home theater. However, it's behind the receiver so it's not real visible. It worked as expected and definitely kept the wiring neater and allowed me to run it through the walls.
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Reviewed in the United States on May 1, 2024
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C. J. K.
Dallas, US
★★★★★ 4
Good quality, not enough connections
Size: 7.1 Surround + HDMI
Good quality, I wish the sold the individual outlets because I had to buy multiple just to get 11.1 surround connections.
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Reviewed in the United States on August 13, 2025
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Joshua Wilcox
Los Angeles, US
★★★★★ 5
Good buy for the price.
Size: 7.2 Surround + 3 HDMI
Would have liked to use keystone inserts but this was a good alternative for the cost. Just 1 set of keystone for speakers where $10 bucks and I was able to use coax blanks and the speaker inserts from this at a 3rd of the cost.
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Reviewed in the United States on January 26, 2024

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