Human IGFBP3 ELISA Kit KE00782 proteintech
$299.00
In stock
SKU
KE00782
| Product name | Human IGFBP3 ELISA Kit |
| Synonyms | BP 53, IBP 3, IBP3, IBP-3, IGF binding protein 3 |
| Reactivity | Human |
| Host / Isotype | United States |
| Tests | 1 X 96 well plate |
| Sample type | Serum, Plasma, Cell culture supernatant |
| Assay type | Sandwich |
| Sensitivity | 0.11 ng/mL |
| Range | 0.39-25 ng/mL |
| Tested applications | Sandwich ELISA |
| Gene ID (NCBI) | 3486 |
| Sample Type | Average Range |
| Human serum | 98% 94%-102% |
| Cell culture supernatant | 98% 79%-119% |
| Sample | n mean ( ng/mL ) SD CV% |
| 1 | 16 10.19 0.35 3.46 |
| 2 | 16 3.10 0.17 5.35 |
| 3 | 16 1.82 0.10 5.49 |
| Storage Instructions | All the reagents are stored at 2-8℃ for 6 months or -20℃ for 12 months. Refer to the protocol for further storage instructions. |
Insulin-like growth factor binding protein-3 (IGFBP-3) contains a 27 amino acid putative signal sequence followed by a mature protein of 264 amino acids with 18 cysteine residues clustered near the N- and C-terminus. Accordingly, expression of the cloned IGFBP-3 cDNA in mammalian tissue culture cells results in secretion of the protein into the culture medium. IGFBP-3 shares high homology (33% amino acid identity) including conservation of all 18 cysteine residues with a smaller human IGF-binding protein (BP-28) identified in amniotic fluid. IGFBP-3 has one or more glycosylation sites with a protein core of ∼30 kDa. Western blots revealed that the 39-45 kDa IGFBP-3 fragment is a glycoprotein. Properties Storage Instructions All the reagents are stored at 2-8℃ for 6 months or -20℃ for 12 months. Refer to the protocol for further storage instructions. Synonyms BP 53, IBP 3, IBP3, IBP-3, IGF binding protein 3 FAQ 1、I have limited sample diluent. How should I handle samples requiring high dilution factors? Answer: We recommend performing a serial dilution. For example, if human serum requires a 1,000,000-fold dilution, you can use a three-step 100× dilution method as follows: Step 1: Take 2 uL of human serum and add it to 198 uL of sample diluent, mix thoroughly to obtain a 100-fold diluted sample. Step 2: Take 2 uL of the 100-fold diluted sample and add it to 198 uL of sample diluent, mix thoroughly to obtain a 10,000-fold diluted sample. Step 3: Take 2 uL of the 10,000-fold diluted sample and add it to 198 uL of sample diluent, mix thoroughly to obtain a 1,000,000-fold diluted sample. If further dilution is required, additional serial steps can be used. We do not recommend using any other solutions or water for dilution, except for the sample diluent we suggest. If your sample diluent is still insufficient, please contact our customer service for more sample diluent.
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