SKU: 94612200429

Mouse E3 (Estriol) ELISA Kit

Sale price$304.20 Regular price$338.00
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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1

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Description

Mouse E3 (Estriol) ELISA KitThis Mouse E3 (Estriol) ELISA Kit uses the competitive ELISA principle. The micro ELISA plate provided in this kit has been pre coated with Mouse E3. Samples (or Standards) and Horseradish Peroxidase (HRP) linked antibody specific for Mouse E3 are added to the micro ELISA plate wells. Mouse E3 in samples (or standards) competes with a fixed amount of E3 on the solid phase supporter for sites on the HRP linked detection antibody specific to E3. Excess

This Mouse E3 (Estriol) ELISA Kit uses the competitive ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with Mouse E3. Samples (or Standards) and Horseradish Peroxidase (HRP) linked antibody specific for Mouse E3 are added to the micro ELISA plate wells. Mouse E3 in samples (or standards) competes with a fixed amount of E3 on the solid phase supporter for sites on the HRP linked detection antibody specific to E3. Excess conjugate and unbound sample or standard are washed from the plate. The substrate solution is added to each well. 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+/-2 nm. The concentration of Mouse E3 in the samples is then determined by comparing the OD of the samples to the standard curve.

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SKU: 94612200429

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4.3 ★★★★★
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Christine
Cuba, US
★★★★★ 5
Happy pup
Color: Four colors, Size: 5cm (ball only)
Small but bouncy. Pupper loves them.
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Reviewed in the United States on May 3, 2026
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Alex Prepsky
Fort Morgan, US
★★★★★ 5
Awesome price for quality balls
Color: Four colors, Size: 5cm (ball only)
These balls are super bouncy and durable. My dog loves them and for the price these are totally worth it! I think they are as durable as nerf balls and equal in size, and much cheaper!
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Reviewed in the United States on November 19, 2025
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Random shopper
Omaha, US
★★★★★ 1
Rope comes out at the slightest force. Pointless tug toy!
Color: Four colors, Size: 6cm (with rope)
If your dog pulls on these (and why wouldn’t he?), the rope immediately comes out. Turns out they just fuse the ends of the nylon rope together, which is no match for a dog playing tug. Any dog, any level of pulling will dismantle these. We’ve managed to reinsert the rope to a couple of these and KNOT it, which gives you a shorter rope but a toy that can withstand some play. But if I had wanted a DIY toy, I’d have used the balls and rope I already own.
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Reviewed in the United States on December 11, 2025
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Verified Purchase
Lesly
Pawtucket, US
★★★★★ 3
Not for super chewers!
Color: Four colors, Size: 5cm (with rope), Color: Four colors, Size: 5cm (with rope)
These rope ball toys arrived today. My poodle puppy loves rope ball toys and playing tug of war. These didn’t last 10 minutes. For context, she is 1 y.o., 30 lbs., is not teething & has her adult teeth. She did this on her own- we were not playing tug of war at the time the toy fell apart. At least there are 3 more in the package & when the rope is done, we’ll still have the balls to play with.
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Reviewed in the United States on April 15, 2026
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Kimberly Farnham
Fort Morgan, US
★★★★★ 4
Great for small dogs
Color: Four colors, Size: 5cm (ball only)
Durability
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Reviewed in the United States on February 28, 2026

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