SKU: 20896603522

Human CD8A (T-cell surface glycoprotein CD8 alpha chain) QuickTest ELISA Kit

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Description

Human CD8A (T-cell surface glycoprotein CD8 alpha chain) QuickTest ELISA KitThe Human CD8A (T cell surface glycoprotein CD8 alpha chain) QuickTest ELISA Kit measures CD8A in Human Serum, Plasma, Cell Culture Supernatant, Cell Lysate or Tissue Lysate. This kit was based on sandwich ELISA method. The experiment lasted 120 minutes. Capture antibody was conjugated to an affinity tag that was recognized by a specific antibody coated on the QuickTest plate. Add the Cap Det Ab working solution into each well, then add the standards

The Human CD8A (T-cell surface glycoprotein CD8 alpha chain) QuickTest ELISA Kit measures CD8A in Human Serum, Plasma, Cell Culture Supernatant, Cell Lysate or Tissue Lysate. This kit was based on sandwich ELISA method. The experiment lasted 120 minutes. Capture antibody was conjugated to an affinity tag that was recognized by a specific antibody coated on the QuickTest plate. Add the Cap/Det Ab working solution into each well, then add the standards and pilot samples into individual wells. If the sample contains CD8A, a capture antibody-CD8A-biotin-detection antibody complex was formed. After incubation, unbound conjugates were removed by wash buffer. HRP-Streptavidin was added. After washing, TMB substrates were added to visualize HRP enzymatic reaction. 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. The concentration of CD8A in the sample was calculated by drawing a standard curve. The concentration of the target substance is proportional to the OD450 value.

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SKU: 20896603522

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G Bowers
New York, US
★★★★★ 5
If you’re going for cushion and looks, these do it.
Size: 9.5, Color: Grey
These are massively cushiony. They fit as sized, slip on well, and look very good. It seems like they should hold up well.
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Reviewed in the United States on April 28, 2026
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Mike L
Lake Worth, US
★★★★★ 3
Nice and affordable, but poor arch support and mushy insoles.
Size: 11 Wide, Color: Black
These shoes look nice and feel comfortable at first, but the soft memory foam type bottoms on these don't provide enough support. I am a big guy and find that over the course of the day the insoles compress and my feet end up at an angle. After a long day on my feet, my dogs are barking and my leg muscles are tight I think from walking on an angle. I added my GoodFeet arch support and they help a little with arch support, but the insole is so soft that it absorbs the bulge quite a bit. If you're skinny and need a decent looking pair of shoes on the cheap, they might be ok for you. I would not recommend long walks or strenuous activity in them. I will say they are lightweight, breathable and a decent value if you don't have flat feet and a beer belly (I don't even drink beer, how'd that happen, WTH?!)
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Reviewed in the United States on June 13, 2025
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Texas
Grantham, US
★★★★★ 5
Love the shoes.
I love these shows. Super cushioned and comfortable. Makes casual but professional dress so easy. Buying different color because I like them so much. They are true to size. Maybe a tad short in toe box.
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Reviewed in the United States on March 8, 2026
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Alicia Bauer
Pawtucket, US
★★★★★ 5
Stylish, Comfortable, and Great for Everyday Wear
Size: 11, Color: Grey
The Marc Joseph New York Men’s Edison Street shoes are a standout — stylish enough for work or a night out, but comfortable enough for daily wear. The hands-free technology makes them easy to slip on and off without sacrificing fit or support. They have a polished, classic look that pairs well with both casual and dressier outfits, and the comfort level stayed high even after a full day on my feet. Good quality, flattering design, and a versatile choice if you want shoes that look sharp and feel great. Would recommend and buy again.
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Reviewed in the United States on February 11, 2026
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Shamrock93
Whiting, US
★★★★★ 5
Just Slip On & Go
Size: 13, Color: Black/Black
These are honestly one of the easiest shoes I’ve owned. You just step in and go, no laces to deal with, but they still have that lace look which I like. I’ve had them for close to a year and they’ve held up well. Comfortable enough for everyday use. I liked them enough and got a few different versions of the same shoe. The elastic fit is what makes them stand out. If you want something simple, comfortable, and still a little dressy, these are solid.
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Reviewed in the United States on April 5, 2026

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