VMA (Vanillylmandelic Acid) ELISA Kit
SKU: 3116121809

VMA (Vanillylmandelic Acid) ELISA Kit

Sale price$202.50 Regular price$225.00
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

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

The VMA (Vanillylmandelic Acid) ELISA immunoassay kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with VMA. Standards or samples are added to the appropriate micro ELISA plate wells then with a biotin-conjugated antibody specific to VMA. 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 VMA in the samples is then determined by comparing the OD of the samples to the standard curve.

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SKU: 3116121809

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B.J. G
Lexington, US
★★★★★ 3
Decent Shoes with Misleading Description (Not Leather)
Size: 12 Wide, Color: Black, Size: 12 Wide, Color: Black
I only look for leather when I’m purchasing dress shoes. Under the description “details” on this item it lists the shoe as leather upper and inner lining. A photo shows “genuine Napa leather lining”. If you keep reading (which I have now that I’ve received the shoes) it shows “faux leather” in the small print and that is not “leather”. I run a small leather business and this irks me because it’s clearly false advertising. The details also show the product is made in Brazil but when they arrived today, the shoe tag shows “Made in China” and “Man Made upper and lower”. I don’t hate the shoes. They look nice. What I know is they won’t hold up over time like leather, which is why the description should be accurate and not misleading.
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Reviewed in the United States on March 28, 2026
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Dianne
Cuba, US
★★★★★ 5
Men’s oxfords
Size: 10.5, Color: Black
Good quality and perfect fit
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Reviewed in the United States on March 22, 2026
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Lisaura
West Palm Beach, US
★★★★★ 1
Low quality
Size: 8.5 Wide, Color: Cognac, Size: 8.5 Wide, Color: Cognac
Starting to peel after a few uses
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Reviewed in the United States on June 3, 2026
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Amazon Customer
Charlottesville, US
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
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Reviewed in the United States on May 20, 2026
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Amazon Customer
Houston, US
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
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Reviewed in the United States on May 24, 2026

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