SKU: 24851886586

Human ECFR (Eosinophil Chemotactic Factor Receptor) ELISA Kit

Sale price$202.50 Regular price$225.00
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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

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Description

Human ECFR (Eosinophil Chemotactic Factor Receptor) ELISA KitThe Human ECFR (Eosinophil Chemotactic Factor Receptor) ELISA immunoassay kit uses the Sandwich ELISA principle. The micro ELISA plate provided in this kit has been pre coated with an antibody specific to Human ECFR. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human ECFR and Avidin Horseradish Peroxidase (HRP) conjugate are added successively

The Human ECFR (Eosinophil Chemotactic Factor Receptor) ELISA immunoassay kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human ECFR. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human ECFR and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human ECFR, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Human ECFR. You can calculate the concentration of Human ECFR in the samples by comparing the OD of the samples to the standard curve.

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SKU: 24851886586

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4.2 ★★★★★
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Lake Worth, US
★★★★★ 3
Noise, but Has Good Qualities as Well
I bought this for my German Shepherd (117lbs). He is interested and will play with it for at least 15 minutes before moving onto other toys. The movement is great. Quite sporadic which keeps my dog guessing which way it will roll. Drawback: The sounds made by the ball while enabled are quite loud and can get annoying to us humans after a while. Heaven forbid if it gets stuck when it was in a movement mode...Continues to Buzz loudly until "rescued". My Shepherd likes to chew like any other dog. The pressure on his mouth is tremendous. This ball takes it. The size is also key. Large enough to not be a choking hazard for big mouths. So safety is apparent. The material allows a lot of "slobber", but seems to either wick it away (to where - haven't a clue). If I handle it - it is miraculously dry. This would be the perfect toy if the noise level wasn't nearing "10".
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Reviewed in the United States on February 12, 2026
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Verified Purchase
Jeanne
Omaha, US
★★★★★ 5
Exciting vibrating ball
My dog loves the Lovkid Dog Ball. The bouncing and noises keep his attention, keep him active, and he invites me to share in the fun. He chases, watches it bounce, and hides it in the furniture. This has been an enjoyable and entertaining toy and I recommend it.
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Reviewed in the United States on May 2, 2026
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Verified Purchase
Jay Nan
Massapequa, US
★★★★★ 5
Literally a ball of fun!!
We have a multipoo and he is only about 14 pounds and let me tell.you he absolutely loves his new toy. It was so easy and quick to charge. Very rugged and chew resistant which is a must! Easy to grip and fun while on or off. It hops with a buzzing sound which keeps his attention. Very happy with this purchase!
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Reviewed in the United States on March 2, 2026
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jaelyn S smith
Houston, US
★★★★★ 5
Love this
This toy is the best dog toy ever! Keeps our 3 year old 50 pound girl very happy and busy and it's a very, very durable toy!
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Reviewed in the United States on April 19, 2026
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Lauren
Omaha, US
★★★★★ 4
Quiet/lightweight and good quality option toy
Lightweight and good quality foam outer shell that helps keep noise level down compared to other similar interactive toys. My herding rescue pup absolutely loves this and keeps him busy and mentally stimulated for 15-30 minutes at a time. I only docked a star because the shell replacements are so pricey; if you have an aggressive chewer, getting a silicone cage cover or sock might be helpful.
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Reviewed in the United States on December 22, 2025

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