SKU: 86576843488

HA (Histamine) ELISA Kit

Sale price$202.50 Regular price$225.00
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

HA (Histamine) ELISA KitThe HA (Histamine) ELISA immunoassay kit uses the Competitive ELISA principle. The micro ELISA plate provided in this kit has been pre coated with HA. Standards or samples are added to the appropriate micro ELISA plate wells then with a biotin conjugated antibody specific to HA. Next,Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. The enzyme substrate reaction is

The HA (Histamine) ELISA immunoassay kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with HA. Standards or samples are added to the appropriate micro ELISA plate wells then with a biotin-conjugated antibody specific to HA. Next,Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of HA in the samples is then determined by comparing the OD of the samples to the standard curve.

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SKU: 86576843488

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4.2 ★★★★★
Based on 13 reviews
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Kaitlyn Jacobson
Alexandria, US
★★★★★ 1
Would not recommend
Style: SPF 50
I literally never write reviews but felt compelled to write one for this sunscreen because I was very caught off guard by all the positive reviews. This sunscreen leaves the most insane white sheen that never soaks in and gets on EVERYTHING. I put this on and drove to the beach and had sunscreen on my car seat, the steering wheel, the center console, the door, EVERYWHERE! It took forever to clean up and was such a hassle and that was after having let the sunscreen soak into my skin for an hour. Also the sunscreen is really thick and difficult to spread and makes you look ghostly white. Plus, the sunscreen has a really odd odor that reminded me of play dough? That might not be a negative thing for everyone but I found it unpleasant. There are definitely better mineral sunscreens out there. For the price I expected a much better product.
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Reviewed in the United States on June 11, 2025
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Verified Purchase
John Reid
Louisville, US
★★★★★ 3
Sticky and white
Style: SPF 50
The sunscreen has a very sticky and thick texture. It will keep you from getting sunburnt, but it will also leave you with a white color.
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Reviewed in the United States on July 22, 2024
B
Verified Purchase
Brona Buys
New York, US
★★★★★ 4
Good sunscreen
Style: SPF 50
Super good coverage and it lasts a long time in the sun and even through water activities. The only negative is the white cast. Not as bad as others but just be aware it doesn’t fully rub in.
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Reviewed in the United States on May 1, 2025
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Verified Purchase
Becky
Louisville, US
★★★★★ 5
Great sunscreen & works for kids - even used in resorts!
Style: SPF 50
Terrific! I don’t feel it is as good as chemical ones but my favorite non-chemical one. Used on a long vacation and it did the job! Also didn’t cause pimples like other thick versions of this.
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Reviewed in the United States on August 9, 2025
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Verified Purchase
daina o'callaghan
Phoenix, US
★★★★★ 5
Protection
Style: SPF 50
I love this product, especially my husband because it’s all-natural. It contains minerals that leave a slight white residue on the face. While it would be nice to have a clearer texture, it does a beautiful job of protecting you from the sun.
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Reviewed in the United States on April 22, 2025

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