SKU: 42963761155

Human VIP (Vasoactive Intestinal Peptide) ELISA Kit

$289.80 $322.00
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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Description

Human VIP (Vasoactive Intestinal Peptide) ELISA KitThe Human VIP (Vasoactive Intestinal Peptide) ELISA kit uses the Competitive ELISA principle. The micro ELISA plate provided in this kit has been pre coated with Human VIP. During the reaction, Human VIP in the sample or standard competes with a fixed amount of Human VIP on the solid phase supporter for sites on the Biotinylated Detection Ab specific to Human VIP. Excess conjugate and unbound sample or standard are washed away, and Avidin Horseradish

The Human VIP (Vasoactive Intestinal Peptide) ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with Human VIP. During the reaction, Human VIP in the sample or standard competes with a fixed amount of Human VIP on the solid phase supporter for sites on the Biotinylated Detection Ab specific to Human VIP. Excess conjugate and unbound sample or standard are washed away, and Avidin-Horseradish Peroxidase (HRP) conjugate are added to each micro plate well and incubated. Then a TMB substrate solution is added to each well. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns from blue to yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The concentration of Human VIP in tested samples can be calculated by comparing the OD of the samples to the standard curve.

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SKU: 42963761155

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4.1 ★★★★★
Based on 21 reviews
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Verified Purchase
Hilary Alexander
Lake Worth, US
★★★★★ 5
Great dress
Size: X-Large, Color: Crimson, Size: X-Large, Color: Crimson
Perfect dress for many different occasions
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 29, 2025
K
Verified Purchase
Kate, NYC
Port Orchard, US
★★★★★ 5
My favorite this summer
Size: 9, Color: Red Leather, Size: 9, Color: Red Leather
These are very nice. I like this type of sandal with the "thong" feature while also having my foot gently hugged. These did not require much breaking in, seemed pretty comfortable from the first wear. I wore them to a high-end rooftop restaurant with a chiffon and silk maxi dress, and it worked really well, got compliments and all, though I have no good shots from there with these sandals visible. The red color definitely makes them pop, especially with black elements of the outfit. I also got them in black here, and in white from another store. Their shape is delicate, yet sharp and stylish, and they seem to be well-made. When I got these shoes, I took them to my artistic shoe repair guy, to promptly put protective layer on the front bottom of the soles. That way, it always looks like new, no scratched sole. That costs a bit, but worth it for me. I might buy a pair or two in some other colors, later. I am 5'10" tall, clothes size M, shoes - 9, 150lb. These shoes feel true to size.
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Reviewed in the United States on June 19, 2025
M
Verified Purchase
michelle
New York, US
★★★★★ 5
Size up! Super comfortable!
Size: 10, Color: Black Leather
Super comfortable, can walk al night in them. I size up in anything steve madden. I’m usually a 9, but a 9.5 in steve madden fits almost exact so I get a size 10 in any of their shoes. Sizing is consistent throughout styles but I def need to size up. If you’re in between sizes, I suggest a whole size up. Unless you like an exact fit, personally I think an exact fit looks off any slight movement of your foot and the shoe looks like it doesn’t fit. I would say they’re pricey but they’re def a classy and comfortable pair of heels!
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Reviewed in the United States on July 18, 2025
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Verified Purchase
valeria
Waukegan, US
★★★★★ 4
Good
Size: 7, Color: Black Leather
Cute , you’ll need to break them in. If you have wide feet theses probably aren’t for you Over all as shown , true to size
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Reviewed in the United States on October 31, 2025
E
Verified Purchase
Erin W.
Bozeman, US
★★★★★ 5
Perfect little kitten heel sandal
Size: 9, Color: Black Leather
Adorable! The perfect little kitten heel sandal. As cute with jeans as they are with dresses. Very comfortable, great heel height. True to size. I now own them in 3 colors!
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Reviewed in the United States on October 31, 2025

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