Human PER2 (Period Circadian Protein Homolog 2) ELISA Kit
SKU: 46299954818

Human PER2 (Period Circadian Protein Homolog 2) ELISA Kit

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Description

Human PER2 (Period Circadian Protein Homolog 2) ELISA KitThe Human (PER2) Period Circadian Protein Homolog 2 ELISA Kit measures Period Circadian Protein Homolog 2 in samples. The plate has been pre coated with Human PER2 antibody. PER2 present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human PER2 Antibody is added and binds to PER2 in the sample. Then Streptavidin HRP is added and binds to the Biotinylated PER2 antibody. After incubation unbound Streptavidin

The Human (PER2) Period Circadian Protein Homolog 2 ELISA Kit measures Period Circadian Protein Homolog 2 in samples. The plate has been pre-coated with Human PER2 antibody. PER2 present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human PER2 Antibody is added and binds to PER2 in the sample. Then Streptavidin-HRP is added and binds to the Biotinylated PER2 antibody. After incubation unbound Streptavidin-HRP is washed away during a washing step. Substrate solution is then added and color develops in proportion to the amount of Human PER2. The reaction is terminated by addition of acidic stop solution and absorbance is measured at 450 nm.

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SKU: 46299954818

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Erin
Boise, US
★★★★★ 5
A must for summer!
Size: 5 Fl Oz (Pack of 1)
My go-to sunscreen. It’s clean, lightweight, and doesn’t leave that white cast like a lot of mineral formulas. I have blonde extensions and this is one of the only ones I’ve found that doesn’t turn them pink, which is huge. Wears really nicely on the skin and layers well—definitely a staple for me.
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Reviewed in the United States on May 2, 2026
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Jennifer Kinzer
Boise, US
★★★★★ 4
Overall good basic
Size: 3 Fl Oz (Pack of 1)
I was looking at mineral sunscreens because they are more natural, but I found the chalky film they leave on the skin to be undesireable. Still, I did not want a fully chemical formula. I was able to find this hybrid that also has hydrating ingredients and ceramides for the skin. It goes on light and provides great coverage. It is a little shiny/greasy however which is why I dropped a star.
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Reviewed in the United States on January 31, 2026
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Xavier Vivenes
Alexandria, US
★★★★★ 5
Great sunscreen for travel
Size: 3 Fl Oz (Pack of 1)
I’ve tried several sunblocks and this one is the one. CeraVe never disappoints. I took it with me to Cancun this past weekend and with plenty of sunshine my face and body stayed well protected. No sunburn at all. It also absorbs nicely and doesn’t leave white marks on the skin. The size is perfect for traveling with just a carry-on.
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Reviewed in the United States on March 12, 2026
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Jill P
Carnegie, US
★★★★★ 5
No white cast.
Size: 3 Fl Oz (Pack of 1)
I would prefer a 100% mineral sunscreen that is this sheer, but at least it's a hybrid. It goes on smoothly, no white or blue cast, and protects well. Very happy with this product.
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Reviewed in the United States on May 6, 2026
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Oldme
Cuba, US
★★★★★ 3
Generous amount and is a good sunscreen
Size: 3 Fl Oz (Pack of 1)
Goes on with a slightly white cast, but it’s cost effective. If they could only get rid of the white cast! Doesn’t pill under makeup, or over. can try mixing together with liquid foundation to eliminate white.
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Reviewed in the United States on December 19, 2025

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