Human IGFBP-3 ELISA Kit

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Human IGFBP-3 ELISA Kit
Human IGFBP-3 ELISA Kit Standard Curve

Human IGFBP-3 ELISA Kit

Catalog No : 3010084


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Human IGFBP-3 ELISA Kit Features

Product Name           Human IGFBP-3 ELISA Kit
Assay Type                   Solid Phase Sandwich ELISA
Format                           96-well strip plate
Assay Length              4.5 hours
Sample Volume         Serum ,Plasma, cell culture media , 100ul
Detection Method    Colorimetric
Sensitivity                   15 pg/ml
Assay Range               24.7-18000 pg/ml
Reactivity                     Human
Cross-Reactivity       No cross-reactivity observed with available related molecules
Gene Names               IGFBP3, IBP3
Gene ID                        3486
Swissprot ID              P17936

Recovery

Sample Type    Average % RecoveryRange %
Serum 9786-107
Plasma 9685-106
cell culture media 9888-107

Linearity

Sample TypeDilution% of Expected
Serum1:296
1:492
1:890
Plasma1:294
1:496
1:889
cell culture media1:289
1:495
1:893

Standard Curve: Human IGFBP-3 ELISA Kit

Human IGFBP-3 ELISA Kit Standard Curve

Kit Components

• Pre-Coated 96-well Strip Microplate
• Wash Buffer
• Stop Solution
• Assay Diluent
• Standards
• Biotinylated Detection Antibody
• Streptavidin-Conjugated HRP
• TMB One-Step Substrate

Protocol Outline

1. Prepare all reagents, samples and standards as instructed in the manual.
2. Add 100 µl of standard or sample to each well.
3. Incubate 2.5 h at RT or O/N at 4°C.
4. Wash and add 100 µl of prepared biotin antibody to each well.
5. Incubate 1 h at RT.
6. Wash and add 100 µl of prepared Streptavidin solution to each well.
7. Incubate 45 min at RT.
8. Wash and add 100 µl of TMB One-Step Substrate Reagent to each well.
9. Incubate 30 min at RT.
10. Add 50 µl of Stop Solution to each well.
11. Read at 450 nm/570 nm.

Background

The superfamily of insulin-like growth factor (IGF) binding proteins include the six high-affinity IGF binding proteins (IGFBP) and at least four additional low-affinity binding proteins referred to as IGFBP related proteins (IGFBP-rP). All IGFBP superfamily members are cysteine-rich proteins with conserved cysteine residues, which are clustered in the amino- and carboxy-terminal thirds of the molecule. IGFBPs modulate the biological activities of IGF proteins. Some IGFBPs may also have intrinsic bioactivity that is independent of their ability to bind IGF proteins. Post-translational modifications of IGFBP, including glycosylation, phosphorylation and proteolysis, have been shown to modify the affinities of the binding proteins to IGF. ALS (Acid Labile Subunit) is a liver-derived protein that exists in a ternary complex with Insulin-like Growth Factor (IGF)-binding Protein-3 (IGFBP-3) or IGFBP-5, and either IGF-I or IGF-II.

Related Products

Human IGFBP-1 ELISA Kit

Human IGFBP-2 ELISA Kit

Human IGFBP-4 ELISA Kit

Human IGFBP-6 ELISA Kit

Storage

The entire kit may be stored at -20°C for up to 1 year from the date of shipment. Avoid repeated freeze-thaw cycles. The kit may be stored at 4°C for up to 6 months. For extended storage, it is recommended to store at -80°C.

Regulatory Status      

Human IGFBP-3 ELISA Kit is for Research Use Only.

Sizes

1 Plate Kit, 2 Plate Kit, 5 Plate Kit

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