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IFN beta |
All interferon beta products and related technical information (e.g. technical notes) |
Human IFN beta |
All human interferon products related technical information (e.g. technical notes) |
IL-2 |
All products contain the term “IL-2”, including IL-23 |
IL 2 |
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All EPO products and technical information |
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Interferons (IFNs) are pleiotropic cytokines with antiviral, antiproliferative, and immunomodulatory activities. The biological activities of IFNs can be assessed by bioassay methods that quantify any of these characteristics. However, the standard IFN bioassay has been the protection of cells from cytopathic effect (CPE) of certain viruses, since this was the initial activity which defined these molecules.
In the IFN bioassay illustrated in Figure 1, IFN-beta was titrated in a cytopathic effect inhibition (CPE) assay on A549 human lung carcinoma cells with encephalomyocarditis virus (EMCV). In this antiviral assay, approximately 1 unit/ml of interferon is the quantity necessary to produce an inhibition of the cytopathic effect of 50% (EC50). The units of IFN activity were determined colorimetrically with respect to the international reference standard for human interferon.
For a brief introduction on Cytopathic Effect Inhibition Assay click here.
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PBL works hand in hand with researchers to help solve difficult assay development and protein quantification problems. Known as a trusted source for high quality, high sensitivity ELISAs as well as interferon proteins and antibodies, PBL employs state-of-the-art technology in conducting assay services and manufacturing world-class products for scientists around the globe. Let us help you solve your most difficult problems... read more
Quick Search
PBL’s improved site search function is defaulted to an exact match.
Search Term Results |
|
IFN beta |
All interferon beta products and related technical information (e.g. technical notes) |
Human IFN beta |
All human interferon products related technical information (e.g. technical notes) |
IL-2 |
All products contain the term “IL-2”, including IL-23 |
IL 2 |
All products contain the term “IL 2”, including IL-23 |
Erythropoietin |
All EPO products and technical information |
Eryth |
All EPO products and technical information |
The results are displayed in best match products grouped in the following product category filters:
Each filter contains sub-categories for further narrowing of your search results
Other web content such as technical notes that contain the Search Term can be displayed by checking the box next to the corresponding filter on the left side of the Search Results Page.