SKU: 2537602576

Human RB1 (Retinoblastoma Protein 1) ELISA Kit

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Description

Human RB1 (Retinoblastoma Protein 1) ELISA KitThe Human RB1 (Retinoblastoma Protein 1) 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 RB1. 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 RB1 and Avidin Horseradish Peroxidase (HRP) conjugate are added successively to each micro

The Human RB1 (Retinoblastoma Protein 1) 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 RB1. 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 RB1 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 RB1, 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 RB1. You can calculate the concentration of Human RB1 in the samples by comparing the OD of the samples to the standard curve.

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SKU: 2537602576

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Sean Bozarth
Chelsea, US
★★★★★ 5
Helped Clear My Skin Fast
This cleanser really surprised me. The 2% salicylic acid works well without drying my skin out. My breakouts started calming down after a few days, and the redness around my chin went down a lot. It feels gentle but still effective.
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Reviewed in the United States on December 4, 2025
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eileen
Chelsea, US
★★★★★ 5
Best product and brand for my sensitive skin
Works great… this brand is great for acne, white head, dark head and all types of skin condition. I love all their products. This product in particular doesn’t make my skin dry or irritated. Eventho my skin is very sensitive to most products I haven’t had any skin issue with any of their products.
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Reviewed in the United States on June 7, 2026
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Jaci
Waukegan, US
★★★★★ 4
okay so far...
I was wondering how my skin would react from this since I've been the cerave SA cleanser for a while now and didn't notice any dryness whatsoever with that. But, I've always wondered the strength or percentage of SA in the cerave (which is impossible to find out I guess...) I'm guessing it's less than 2% so I wanted to try out a cleanser with a higher % to see if there was a different. After a few days I did notice some dryness, which I suppose could be due to wintertime, but I think it's the cleanser. Not surprising, I was bracing myself for dry skin. I will probably take a break until my skin returns to normal and reintroduce this to a few times a week or something, or I may save it for the humid summers. Other than that, I like the formula, it has a very subtle scent I don't mind at all.
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Reviewed in the United States on December 17, 2021
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Paulajade
Cuba, US
★★★★★ 5
Smooth and oil free skin
At first I was scepticle, losing hope that anything would help my oily acne prone skin. But then I ordered this, and it's magic. Now my skin is smooth, balanced, and the acne is slowly going away. Best thing of all, no more oily skin! Will be ordering again!
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Reviewed in the United States on November 8, 2025
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Jada
Birmingham, US
★★★★★ 5
BUY THIS!
I WISH i took a before and after photo of my results because the speed of which this worked was insane. Although I encourage to use the product as the package instructs you to, I just needed to share how well it worked for me and how I used it. I began applying the cleanser specifically to my acne prone areas on my face (between my eyebrows, above my lips etc) and allowing it to sit for 15-30 minutes before washing it off then moisturizing immediately after during the night time. in the morning, i cleansed those same areas once more and moisturized with spf 25 sun protection to protect my skin from dryness and repeated those steps each night for the next 3 days. 1 night i decided to just leave the cleanser on my acne prone/scarring areas and the morning after, the most stubborn scar on my face was literally GONE. it was insane. needles to say, this product worked so well for me. instantly cleared up my acne, by scarring, and stubborn bumps on my face. don’t forget to moisturize and use sun protection though because salicylic acid is in fact very drying for your skin. love this product. highly highly highly recommend.
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Reviewed in the United States on March 2, 2023

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