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Catalog No. | Product Name | Size | List Price (US$) | Quantity |
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Conditions of optimal hCG Protein performance should be determined experimentally by the investigator.
Price/availability/specifications subject to change without notice. Unless otherwise indicated, our catalog and customized products are for research use only and not intended for human or animal diagnostic or therapeutic use.
Phone: 1-617-401-8149
Fax: 1-617-606-5019
Email: message@sydlabs.com
Or leave a message with a formal purchase
order (PO) Or credit card.
Introduction
Human chorionic gonadotropin (hCG) is a peptide hormone produced in pregnancy, that is made by the embryosoon after conception and later by the syncytiotrophoblast(part of the placenta). Its role is to prevent the disintegration of the corpus luteumof the ovaryand thereby maintain progesterone production that is critical for a pregnancy in humans. hCG may have additional functions, for instance it is thought that it affects the immune tolerance of the pregnancy. Early pregnancy testing generally is based on the detection or measurement of hCG.
BP000339-GD15: Recombinant Human Chorionic Gonadotropin (hCG)
Source: CHO-derived.
hCG α (Ala25-Ser116), Accession # P01215.
hCG β (Ser21-Gln165), Accession # P01233
N-terminal sequence analysis: Ala25 (hCG α) & Ser21 (hCG β).
Predicted molecular mass: 10 kDa (hCG α) & 15 kDa (hCG β).
SDS-PAGE: about 25 kDa, reducing conditions
Quality control: The hCG α/β activity was found to be 25,000 IU/mg.
Formulation: Lyophilized from a 0.2 um filtered solution in PBS, pH 7.4.
Endotoxin Level: <1.0 EU per 1 ug of the protein by the LAL method.
Purity: > 97% by SDS-PAGE under reducing conditions and visualized by silver stain, and 97% by SEC-HPLC.
Reconstitution: Reconstitute at 100 ug/ml in sterile PBS containing at least 0.1% human or bovine serum albumin.
Shipping: The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70°C as supplied.
1 month, 2 to 8°C under sterile conditions after reconstitution.
3 months, -20 to -70°C under sterile conditions after reconstitution.
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