Human CD28 (T-cell-specific Surface Glycoprotein Cd28) ELISA Kit
SKU: 44804378962

Human CD28 (T-cell-specific Surface Glycoprotein Cd28) ELISA Kit

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Description

Human CD28 (T-cell-specific Surface Glycoprotein Cd28) ELISA KitThe Human (CD28) T cell specific Surface Glycoprotein Cd28 ELISA Kit measures T Cell Specific Surface Glycoprotein Cd28 in samples. The plate has been pre coated with Human CD28 antibody. CD28 present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human CD28 Antibody is added and binds to CD28 in the sample. Then Streptavidin HRP is added and binds to the Biotinylated CD28 antibody. After incubation unbound

The Human (CD28) T-cell-specific Surface Glycoprotein Cd28 ELISA Kit measures T-Cell-Specific Surface Glycoprotein Cd28 in samples. The plate has been pre-coated with Human CD28 antibody. CD28 present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human CD28 Antibody is added and binds to CD28 in the sample. Then Streptavidin-HRP is added and binds to the Biotinylated CD28 antibody. After incubation unbound Streptavidin-HRP is washed away during a washing step. Substrate solution is then added and color develops in proportion to the amount of Human CD28. The reaction is terminated by addition of acidic stop solution and absorbance is measured at 450 nm.

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SKU: 44804378962

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Brittany Skinner
Natrona Heights, US
★★★★★ 5
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Has been a great learning book
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Reviewed in the United States on February 11, 2026
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Anna Lauren Page
Chelsea, US
★★★★★ 4
Teacher approved
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Great review book to help bridge the learning between Kindergarten and 1st grade. Teacher approved!
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Reviewed in the United States on May 25, 2025
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Brittany Stephens
Houston, US
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Best summer workbooks! Simple and quick for a summer day! They love getting the stickers to show they completed the page!
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Reviewed in the United States on June 1, 2026
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Adventures In Kinder And Beyond
Waukegan, US
★★★★★ 5
Excellent Summer Learning Workbook
Format: Paperback
The Summer Bridge Activities Kindergarten to 1st Grade workbook is a fantastic way to keep kids engaged and learning over the summer! It covers a great mix of subjects, including math, language arts, science, social studies, and even fitness activities. The exercises are fun, age-appropriate, and designed to reinforce key skills while preparing kids for the next grade. I love the balance between learning and interactive activities—it keeps children motivated without feeling like homework. The layout is colorful and easy to follow, making it a great resource for both parents and kids. Highly recommend for summer learning and skill retention!
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Reviewed in the United States on March 18, 2025
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stephanie
Carnegie, US
★★★★★ 5
Excellent Summer Workbooks - Keeps Kids Engaged and Ready
Format: Paperback
These workbooks have been an absolute lifesaver for keeping my kids on track over the summer! I was looking for a resource that would help them retain what they learned and prepare for the next school year without feeling like a chore, and these deliver perfectly. What I particularly love is how well **organized they are by days**. This structure eliminates any guesswork and makes it incredibly easy to assign manageable chunks of work each day, which helps to **keep my kids consistently on track**. There's no overwhelm, just steady progress. The content is engaging, and it genuinely seems to reinforce key concepts in a fun way. We've had **absolutely no complaints** from the kids, which is a huge win for any summer learning material! I highly recommend these workbooks for any parent looking for a structured and effective way to bridge the academic gap during the summer break.
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Reviewed in the United States on May 28, 2025

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