Porcine COL4 (Collagen Type Ⅳ) ELISA Kit
SKU: 45077890295

Porcine COL4 (Collagen Type Ⅳ) ELISA Kit

$202.50 $225.00
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  • CAN

Ships within 48 hours · Estimated delivery Jul 4 - Jul 9

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Description

Porcine COL4 (Collagen Type Ⅳ) ELISA KitThe Porcine COL4 (Collagen Type ) 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 Porcine COL4. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Porcine COL4 and Avidin Horseradish Peroxidase (HRP) conjugate are added successively to each micro

The Porcine COL4 (Collagen Type Ⅳ) 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 Porcine COL4. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Porcine COL4 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 Porcine COL4, 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 Porcine COL4. You can calculate the concentration of Porcine COL4 in the samples by comparing the OD of the samples to the standard curve.

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45077890295

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4.7 ★★★★★
Based on 1386 reviews
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Verified Purchase
Derek Mancuso
West Palm Beach, US
★★★★★ 4
Nice product
Color: 2-Speed Rechargeable Set with Charging Base
Edit: Customer service actually did offer to replace it. Received the new set and it works fine. Nice set. Only gripe is I think that the motor could be a little stronger. Sounds like it’s struggling at times. Received a defective item reached out to customer support for Circle joy and they’re basically saying that it’s user error and not a defect in their product, even though I explained to them that the other one works fine. When adjusting the coarseness on one of the grinders, the grinder ends up loosening up, which ends up with you spilling the pepper corns everywhere. It’s a nice set if it worked right but for $40 I expect her device to be a little more polished.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2025
T
Verified Purchase
Tomas
Battle Creek, US
★★★★★ 5
great for my bad hands, hygenic, easy to use.
Color: 2-Speed Rechargeable Set with Charging Base
so far so good. I cook a couple times a day. I also have bad RA in my joints. this product has really helped already. from the clean size adjustment to the ease of charging. Like i have owned it for years is how easy this product has entered my kitchen routine. strong product and hygenic because you adjust the grind from twisting the body, not messing inside the grinder.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 18, 2025
L
Verified Purchase
lisa holidays
Lake Worth, US
★★★★★ 5
Easy use and easy charge.
Color: 2-Speed Rechargeable Set with Charging Base
This is so easy to use and easy to charge. The set has made life so much easier.
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Reviewed in the United States on May 24, 2026
J
Verified Purchase
Just saying
Cuba, US
★★★★★ 5
Great product
Color: 2-Speed Rechargeable Set with Charging Base
Great product
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Reviewed in the United States on June 1, 2026
A
Verified Purchase
Able
Houston, US
★★★★★ 1
Good looker but terrible performance
Color: 2-Speed Rechargeable Set with Charging Base
I purchased the product and the base would not attach from the charging module. This is their big selling point. I requested a replacement and sadly the replacement was of the same batch run as the original soo…. Yeah that base would not detach. There are videos showing how easy it is to detach base from charging module. Not theses units. Circle Joy customer service is an @gmail.com. They said base is not designed to be removed frequently. I reminded them the separation feature is their highlighted feature. I was just looking for a base. Circle Joy said no…. If I do not like either unit just return them to Amazon.???? In the meantime, after maybe a dozen grinds, the original unit quit grinding normally and would barely grind at all. I shook it out and it worked again but doesn’t sound right. Two takeaways: 1) Poor product quality. 2) I am sooo done with trying to work with Amazon on replacement items. Save yourself a tone of aggravation and just return the order and reorder if you dare. Otherwise good looking and heavy feel and works great about 10 times. Too bad so sad. Now I have this huge return hassle with Amazon.
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Reviewed in the United States on February 6, 2026

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