SKU: 19560031481

FITC Mouse Anti-Human CD28 Antibody (S-R495)

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Description

FITC Mouse Anti-Human CD28 Antibody (S-R495)Product Specification Host Mouse Antigen CD28 Synonyms T cell specific surface glycoprotein CD28; TP44 Location Cell membrane Accession P10747 Clone Number S R495 Antibody Type Mouse mAb Isotype IgG1 Application FCM Reactivity Hu Positive Sample Human PBMC Purification Protein G Concentration 0. 2 mg ml Conjugation FITC Physical Appearance Liquid Storage Buffer PBS, 1% BSA, 0. 3% Proclin 300 Stability & Storage 12 months from date of receipt

Product Specification


Host Mouse
Antigen CD28
Synonyms T-cell-specific surface glycoprotein CD28; TP44
Location Cell membrane
Accession P10747
Clone Number S-R495
Antibody Type Mouse mAb
Isotype IgG1
Application FCM
Reactivity Hu
Positive Sample Human PBMC
Purification Protein G
Concentration 0.2 mg/ml
Conjugation FITC
Physical Appearance Liquid
Storage Buffer

PBS, 1% BSA, 0.3% Proclin 300

Stability & Storage

12 months from date of receipt / reconstitution, 2 to 8 °C as supplied

Dilution


application dilution species
FCM 5μl per million cells in 100μl volume Hu

Background

CD28, also known as the T-cell-specific surface glycoprotein CD28, is a protein encoded by the CD28 gene in humans. It is a glycoprotein that is constitutively expressed on both resting and activated T cells. CD28 plays a crucial role in T cell activation and signaling, providing essential co-stimulatory signals required for T cell activation, proliferation, and cytokine production. It enhances the production of IL4 and IL10 in T cells in conjunction with TCR/CD3 ligation and CD40L co-stimulation. CD28 interacts with its ligands, CD80 (B7-1) and CD86 (B7-2), which are expressed on antigen-presenting cells, to mediate the co-stimulatory signals necessary for T cell activation. This interaction is critical for the early events of T cell activation and the decision between immunity and anergy.

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Exchange/Return Notes
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SKU: 19560031481

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4.5 ★★★★★
Based on 20 reviews
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C
Verified Purchase
Cassie
Chelsea, US
★★★★★ 5
Nice Value
Color: Consuela the Cactus - Large, Size: Large Dog
Very cute! Its soft and feels like it is well made. It is a heavier toy and a tougher one. Not a plush toy. I will order again for our older dogs. Nice value for sure!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
B
Verified Purchase
Blakely McAllister
Chelsea, US
★★★★★ 5
Great toy for our best boys!
Color: Consuela the Cactus - Large, Size: Large Dog
You can never go wrong with BarkBox toys and this was no exception. Our dogs like toys that have squeakers and that they can tear into. This style of toy fits the bill. The design is cute as well. I’ve had this in the house for months and, while it’s definitely seen better days, it’s still intact and they haven’t gotten to the inner layer. (Not for want of trying.) The perfect type of toy for our fur babies.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 5
Survives 7 months so far.
Color: Christmas Consuela, Size: Large Dog
It is still intact after nearly 7 months of constant play. My blue heeler normally destroys toys in just a few weeks. Consuela has exceeded expectations of survival with an extremely chewy, destruction prone dog.
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Reviewed in the United States on June 6, 2026
D
Verified Purchase
D. Thomas
Natrona Heights, US
★★★★★ 4
Short-lived but much enjoyed as a chew toy
Color: Consuela the Cactus - Large, Size: Large Dog
I bought two of these for my "granddogs" in the size for Large dogs. The German Shepherd-mix stole the one intended for the border collie-mix and had both toys halfway destroyed within a day--I'm pretty sure they didn't survive much longer after that. Much enjoyed! Maybe I should've bought the Extra Large size, because the Large barely fit in her mouth and she wanted to play tug-of-war, so there wasn't much for me to grab onto. Then the border collie wanted in on the action (she's older, so she needed help tugging!) but there wasn't enough material for her to grab onto without accidentally sinking her teeth into me instead.
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Reviewed in the United States on December 9, 2025
R
Verified Purchase
Ryan Davisson
Birmingham, US
★★★★★ 5
Best dog toy!
Color: Air Head, Size: Large Dog, Color: Air Head, Size: Large Dog
I got this toy for my dog who loves squeakers not only is it a two in one it actually has three toys inside which I think is amazing!! 10/10 recommend
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Reviewed in the United States on June 11, 2026

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