SKU: 38282870348

Human IL-4 (Interleukin 4) ELISA Kit

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Description

Human IL-4 (Interleukin 4) ELISA KitThe Human IL 4 (Interleukin 4) ELISA Kit measures IL 4 in Human Serum, Plasma, Cell Culture Supernatant, Cell or Tissue Lysate. This kit is based on Double antibody Sandwich ELISA detection method and takes 4h assay time. The microplate provided in this kit has been precoated with anti IL 4 antibody. Add standard and properly diluted sample into relevant well respectively. After incubation, wash unbound components. Add biotinylated detection antibody.

The Human IL-4 (Interleukin 4) ELISA Kit measures IL-4 in Human Serum, Plasma, Cell Culture Supernatant, Cell or Tissue Lysate. This kit is based on Double antibody-Sandwich ELISA detection method and takes 4h assay time. The microplate provided in this kit has been precoated with anti IL-4 antibody. Add standard and properly diluted sample into relevant well respectively. After incubation, wash unbound components. Add biotinylated detection antibody. Then, it binds with IL-4 bound to precoated antibody. Wash unbound components and add HRP-Streptavidin Conjugate (SABC). Wash unbound components again and add TMB substrate solution. Then, TMB was catalyzed by HRP to produce a blue color product that turned yellow after adding a stop solution. Read the O.D. absorbance at 450nm in a microplate reader. Calculate the concentration of IL-4 in the sample by plotting standard curve. The concentration of the target substance is proportional to the OD450 value.

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SKU: 38282870348

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Shawn E.
Cuba, US
★★★★★ 5
Only power strip I will use
Size: 6-Foot Cable, Style: Rotating Plug - Single Pack
this is the only power strip I’ll ever use. Works great behind bookcases and other items.
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Reviewed in the United States on March 3, 2026
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R.Demain
Alexandria, US
★★★★★ 4
Awesome rotating plug, rest is so-so
Size: 6-Foot Cable, Style: Rotating Plug - Single Pack, Size: 6-Foot Cable, Style: Rotating Plug - Single Pack
This is a review of the white 6ft / 6outlet power strip. It's a nice looking powerstrip; amazing how companies manage to over-design something so simple. So far this works as described. The strip I received had the flat 360 plug and on/off switch.The logo is on the strip and the plug (for those concerned about fakes) Pros - 360 rotating, flat wall plug (see picture) - Has mounting holes but you can only mount one way - Has space between plug points though not enough in my opinion Cons - Took me a bit to figure out where the on/off switch was - it's next to where the power cord comes out of the strip (at the head of the strip) - Does not have a light indicator - Unclear what surge protection it offers I'll add a picture of the strip soon
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Reviewed in the United States on January 24, 2017
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Verified Purchase
Kalli
Lowell, US
★★★★★ 5
I love it
Size: 6-Foot Cable, Style: Rotating Plug - Single Pack, Size: 6-Foot Cable, Style: Rotating Plug - Single Pack
My kitchen only has one electrical outlet, placed on a wall with hardly any counter space, which effectively renders it useless. It was also installed with the grounding prong holes on top, so all the low-profile extension cords I found would point in the wrong direction I wanted the cord to go. So I was really happy to find this one. The cord is kind of thick and still has a memory from being coiled up in the package, but I'm hoping with time it will straighten out. But I'm not bothered too much by what it looks like. I now have electrical outlets where the appliances are and that's the important thing.
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Reviewed in the United States on October 13, 2025
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Ro. S.
Houston, US
★★★★★ 5
Convenient swivel plug!
Size: 6-Foot Cable, Style: Rotating Plug - Single Pack
The flat swivel plug is very convenient behind furniture and the swivel plug allows you to direct the cord where needed. It's narrow enough to fit in small spaces!
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Reviewed in the United States on December 16, 2025
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Technical Chicago
Natrona Heights, US
★★★★★ 5
Spot on quality
Size: 6-Foot Cable, Style: Rotating Plug - Single Pack
Excellent quality and met the use and reliability standards I've grown to trust from belkin.
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Reviewed in the United States on November 10, 2025

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