SKU: 36554431577

Retinol Binding Protein 4 (RBP4) ELISA

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Description

Retinol Binding Protein 4 (RBP4) ELISAThe Retinol Binding Protein 4 (RBP4) ELISA is an enzyme immunoassay for the quantitative determination of Retinol Binding Protein 4 (RBP4) in human serum and plasma. The microtiter plate is coated with the antibody specifically binding the Retinol binding Protein 4. The human serum or plasma is incubated in the plate with the capture antibody. The specimen is washed out and the specifically bound protein is incubated with biotin labelled detection

The Retinol-Binding Protein 4 (RBP4) ELISA is an enzyme immunoassay for the quantitative determination of Retinol-Binding Protein 4 (RBP4) in human serum and plasma.

The microtiter plate is coated with the antibody specifically binding the Retinol-binding Protein 4. The human serum or plasma is incubated in the plate with the capture antibody. The specimen is washed out and the specifically bound protein is incubated with biotin-labelled detection antibody. Following another washing step, Streptavidin-HRP conjugate is added into the well. Unbound reagent is then washed out. Horseradish peroxidase (HRP) bound in the complex reacts with the chromogenic substrate (TMB) creating the blue colour. The reaction is stopped by addition of STOP solution (H2SO4). The absorbance values are measured at 450 nm (optionally 450/630 nm) and are proportional to the concentration of RBP4 in the specimen. The concentration of RBP4 in unknown samples is determined from the calibration curve which is created by plotting the absorbance values against the standard concentration values.

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SKU: 36554431577

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saintiva paul
New York, US
★★★★★ 5
Nice evening clutch
Size: One Size, Color: Pale Gold
Nice and elegant
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Reviewed in the United States on January 16, 2026
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Elsa Sigua
Grantham, US
★★★★★ 5
Perfect and good quality
Size: One Size, Color: Silver-tone Hardware/Black
I liked it so much😍
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Reviewed in the United States on December 29, 2025
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Felicia Gardner
Battle Creek, US
★★★★★ 5
Comfortable
Size: 8, Color: Natural Snake
These shoes are cute, and go with most everything. They are comfortable and can be work for while without having any issues. I was a bit worried they might rub blisters but have not had that problem with these. The heel and fit of them are perfect. And they are versatile. Worth the price.
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Reviewed in the United States on May 11, 2026
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Shelby Ann Sampson
Port Orchard, US
★★★★★ 5
Small toe box BUT SOO cute
Size: 8.5, Color: Natural Snake
Very cute but if you have wide toes and typically require a wider toe box you’ll end up with blisters if you walk a lot in them.
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Reviewed in the United States on May 16, 2026
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KRYSTAL PETTUS
Waukegan, US
★★★★★ 3
Cute but uncomfortable
Size: 6.5, Color: Black Leather
I’m usually a size 6. I got a 6.5, they fit perfect. Super cute, but just from trying them on and walking around my fit we’re already turned red. Still going to wear them to my event but I’m in for one lol
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Reviewed in the United States on November 23, 2025

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