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Biospes

SKU(재고 관리 코드):BEK1194

Human RBP4 ELISA Kit

Human RBP4 ELISA Kit

Size
Application: For quantitative detection of RBP4 in human serum, plasma, body fluids, tissue lysates or cell culture supernatants.

Introduction: Retinol binding protein 4, plasma, also known as RBP4, is proteinthat in human s is encoded by the RBP4 gene. The RBP4 gene resides just centromeric of the cluster of CYP2C genes on 10q24. It belongs to the lipocalin family and is the specific carrier for retinol (vitamin A alcohol) in the blood. RBP4 has recently been described as an adipokine that contributes to insulin resistance in the AG4KO mouse model. It is secreted by adipocytes, and can act as a signal to other cells, when there is a decrease in plasma glucose concentration.

Principle of the Assay: This kit was based on sandwich enzyme-linked immune-sorbent assay technology. Anti-RBP4 polyclonal antibody was pre-coated onto 96-well plates. And the biotin conjugated anti-RBP4 polyclonal antibody was used as detection antibodies. The standards, test samples and biotin conjugated detection antibody were added to the wells subsequently, and wash with wash buffer. Avidin-Biotin-Peroxidase Complex was added and unbound conjugates were washed away with wash buffer. TMB substrates were used to visualize HRP enzymatic reaction. TMBwas catalyzed by HRP to produce a blue color product that changed into yellow after adding acidic stop solution. The density of yellow is proportional to the RBP4 amount of sample captured in plate. Read the O.D. absorbance at 450nm in a microplate reader, and then the concentration of RBP4 can be calculated.

Storage and Expiration: Store at 2-8℃ for 6 months, or at -20℃ for 12 months.

Range: 312 pg/ml - 20,000 pg/ml

Sensitivity: < 10 pg/ml
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