SKU: 7224925261

Human IgG4 (Immunoglobulin G4) ELISA Kit

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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Human IgG4 (Immunoglobulin G4) ELISA KitThe Human IgG4 (Immunoglobulin G4) ELISA kit uses the Competitive ELISA principle. The micro ELISA plate provided in this kit has been pre coated with Human IgG4. During the reaction, Human IgG4 in the sample or standard competes with a fixed amount of Human IgG4 on the solid phase supporter for sites on the Biotinylated Detection Ab specific to Human IgG4. Excess conjugate and unbound sample or standard are washed away, and Avidin Horseradish

The Human IgG4 (Immunoglobulin G4) ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with Human IgG4. During the reaction, Human IgG4 in the sample or standard competes with a fixed amount of Human IgG4 on the solid phase supporter for sites on the Biotinylated Detection Ab specific to Human IgG4. 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 IgG4 in tested samples can be calculated by comparing the OD of the samples to the standard curve.

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SKU: 7224925261

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Amazon Customer
Chelsea, US
★★★★★ 5
Very comfortable women's cotton boxers
Size: 12, Color: White Pack
These Comfort Choice women's boxers are comfortable and made of soft cotton. They are not bulky. On me, I,'m 5'2", they come down to about 2" from my knee. I wear them from fall through the winter. They give that little extra layered feeling. The legs stay down.I weigh 259 and wear size 13.
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Reviewed in the United States on January 17, 2026
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Neicy
Louisville, US
★★★★★ 1
Product quality unpredictable.
Size: 12, Color: Vibrant Blue Pack
Disappointed in this purchase. I have purchased this type of shorts for sleep wear in the past and enjoyed them but the quality, fit and sizing has become increasingly unpredictable. This batch is so bad they fall off while I am sleeping anytime I turn in the bed the item slips off of my body. The elastic is so tiny it can't adhere to my shape. It cost too much to return the item so I am using it till I find a replacement.
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Reviewed in the United States on September 2, 2025
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Amazon Customer
Natrona Heights, US
★★★★★ 5
ladies' boxers are great
Size: 11, Color: Floral Hearts Pack
Practical and comfortable!
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Reviewed in the United States on April 4, 2025
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Cindy B.
Bozeman, US
★★★★★ 3
Soft, but too short for my long legs
Size: 10, Color: Basic Pack
These are soft, but much too short in the legs, so that I have to continuously pull the legs back down out of the crease between my upper thighs where it creeps up into the crease btwn the thigh and stomach. If they were about 4-5" longer they would be a 5☆ rating for me.
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Reviewed in the United States on August 23, 2025
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sandy
Alexandria, US
★★★★★ 5
Great for my mom
Size: 11, Color: White Pack
Fits well. Mom loved them
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Reviewed in the United States on March 7, 2024

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