SKU: 98508202259

Alexa Fluor® 647 Armenian hamster Anti-Mouse CD3 Antibody (S-R491)

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Description

Alexa Fluor® 647 Armenian hamster Anti-Mouse CD3 Antibody (S-R491)Product Specification Host Armenian hamster Antigen CD3 Synonyms T cell surface glycoprotein CD3 zeta chain; T cell receptor T3 zeta chain; Cd3z; Tcrz; Cd247 Location Cell membrane Accession P24161 Clone Number S R491 Antibody Type Recombinant mAb Isotype IgG Application FCM Reactivity Ms Positive Sample BALB c mouse splenocytes Purification Protein G Concentration 0. 2 mg ml Conjugation Alexa Fluor 647 Physical Appearance Liquid Storage Buffer PBS,

Product Specification


Host Armenian hamster
Antigen CD3
Synonyms T-cell surface glycoprotein CD3 zeta chain; T-cell receptor T3 zeta chain; Cd3z; Tcrz; Cd247
Location Cell membrane
Accession P24161
Clone Number S-R491
Antibody Type Recombinant mAb
Isotype IgG
Application FCM
Reactivity Ms
Positive Sample BALB/c mouse splenocytes
Purification Protein G
Concentration 0.2 mg/ml
Conjugation Alexa Fluor® 647
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 Ms

Background

CD3, also known as the cluster of differentiation 3, is a protein complex found on the surface of T cells, playing a crucial role in the immune system. It consists of four distinct chains: CD3γ, CD3δ, CD3ε, and CD3ζ. These chains form a complex that associates noncovalently with the T-cell receptor (TCR) to form the TCR complex, which is essential for recognizing antigens presented by major histocompatibility complex (MHC) molecules. When the TCR binds to an antigen-MHC complex, the CD3 complex transmits signals into the T cell, initiating a cascade of intracellular events that lead to T cell activation, proliferation, and differentiation. This process is vital for the immune response against pathogens and abnormal cells. CD3 is also involved in T cell development and maturation in the thymus. Given its central role in T cell function, CD3 is a key target in immunotherapy for diseases such as cancer and autoimmune disorders.

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SKU: 98508202259

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4.2 ★★★★★
Based on 13 reviews
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lesserof2weevils
Lake Worth, US
★★★★★ 5
Super easy to use and takes the guess-work out of getting even pressure on the grounds
Size: 58.3mm, Color: Black, Size: 58.3mm, Color: Black
I have been using a hand tamper for many years and have a good idea of the pressure I am applying to the grounds in the portafilter. I honestly considered spring tampers to be a bit silly. But this tamper really does take the guess-work out of pressing the coffee grounds. The shroud helps guide the press so that pressure is applied even and flat across the surface. With the manual tamper, there will be some play when pressing, or some unevenness in pressure. This is especially true when cranking out many espressos during a breakfast party with friends. Having the spring tamper makes quick work of turning out a lot of coffees with consistency. There are no instructions for taking this tamper apart to clean inside, and you may not really need to do that very often. After each use, just pull back the shroud (the black piece that moves up and down) and wipe off the tamper (the shiny steel part). This will help prevent grounds from working their way inside. If you do want to take it apart, it’s easy. Pull back the shroud and unscrew the tamper. It will come apart into three pieces. Wipe the pieces off and reassemble. Super quick and easy. This tamper is very heavy. My scale shows 656 g (about a pound and a half). It fits the portafilter exactly, with no slop. Just place on top of grounds and press!. Don’t even worry about pressure, just push down all the way. Overall I had fun using this tamper versus my manual one. And since I make myself a cappuccino very early in the morning, I don’t have to be very awake to get a good pack on the grounds and get my coffee fast!
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Reviewed in the United States on January 10, 2024
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Verified Purchase
Mike Steven
San Leandro, US
★★★★★ 5
Quality and Function
Looks like a silly little thing, I am not a coffee enthusiast. But it does exactly what it is supposed to do and with high quality. The device (a stretch to call it that) is made of sturdy materials including the needles. They give you two different thicknesses of needles, one for expressi (0.3) and one set for coffee grinds (0.4). Each comes wth some spares. The stand is well designed and keeps grinds from spreading all over. It is very elegant design. I use this with a dosing funnel on my portafilter. Not the cheapest one could buy but well worth the money.
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Reviewed in the United States on March 16, 2025
S
Verified Purchase
Sunny
Louisville, US
★★★★★ 5
Well made, high quality product.
This product demonstrates excellent quality, featuring a robust construction and intuitive design for ease of use. It includes two distinct wire sizes and offers straightforward assembly. Its superior durability and strong magnetic properties ensure effortless reattachment to its stand.
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Reviewed in the United States on June 30, 2025
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Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
Perfect WDT tool
Best WDT I’ve found. Love that it includes 0.3mm needles (as I’ve found that 0.4mm needles push the grounds around too much), and the stand is very clever. It knocks off the residual grounds on the needles and is easy to use. As far as WDT tools go, I can’t imagine anything better.
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Reviewed in the United States on April 13, 2025
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Verified Purchase
MrEdmonds
Bozeman, US
★★★★★ 5
Amazing quality build
This WDT tool is solid and well-made. Definitely worth having!
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Reviewed in the United States on June 26, 2025

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