Biological Standards


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Browse Biological Standards based on alphabetical listing:

ALLABCDEGHILMNOPSTV

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Cat# Product Name Price
CPIL221588ent-8-iso Prostaglandin F2α-d9INQUIRY
CPIL103346ESTRIOL (16 ALPHA-HYDROXYESTRADIOL) (2,3,4-13C3, 99%) 50 UG/ML IN METHANOLINQUIRY
CPIL103257ESTRIOL (16 ALPHA-HYDROXYESTRADIOL) (2,3,4-13C3,99%)INQUIRY
CPIL103348ESTRONE (2,3,4-13C3,99%) 50 UG/ML IN METHANOLINQUIRY
CPIL103446ETHANOLAMINE (D4, 98%)INQUIRY

A ‘biological’ in WHO documents is defined as “a substance which cannot be fully characterized by physico-chemical means alone, and which therefore requires the use of some form of bioassay”. In essence, a biological standard is a positive reference sample that is included in a biological assay to ensure that it is functioning correctly. For vaccine evaluation, this would usually be an antibody. Biological standards are used in assays that determine the purity, potency and identity of complex biological materials such as vaccines. They also have important applications in the standardization of nucleic acid-based tests, including real-time PCR, and serology assays used in epidemiology and clinical trials to evaluate vaccine efficacy. A biological standard that is common to all assays allows for calibration and harmonization of assay data.

As a supplier of isotope labeled products in the industry, Creative Proteomics offers more than 10,000 products labeled with different isotopes of carbon, hydrogen, nitrogen and oxygen. Creative Proteomics supplies stable isotope labeled and unlabeled beta-Agonists such as 5-Fluorouracil-13C4-15N2, Testosterone-1,2-D2, Cortisol-9,11,12,12-D4 and Progesterone-2,3,4-13C3. Custom synthesis of isotope labeled biological standards is also available to meet our customers’ research needs.


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