My cell culture samples are in DMEM. Will this interfere with the Nitric Oxide assay?
Yes. The nitrate salt used in this particular media will cause interference. It is important to check the published media…
Tue, Jul 18, 2023
I am using the Direct 8-iso PGF<sub><span style="font-size: 10pt;">2a</span></sub> ELISA kit. After I add the HCl to neutralize my samples, it is not reading in the range of pH 6-8. What should I do?
At this point, you have added HCl to NaOH which will yield NaCl + H2O. There is little buffering capacity…
Tue, Jul 18, 2023
If I have 2N NaOH hydrolyzed samples for an 8-iso-PGF<sub><span style="font-size: 10pt;">2a</span></sub> determination, do I need to extract these samples?
No, the Direct 8-iso-PGF2a kit is specifically designed to help you obtain results as quickly and easily as possible. The…
Tue, Jul 18, 2023
Do eicosanoid assays require an extraction?
The majority of samples do not require an extraction. However, in some situations, an extraction will be required when the…
Tue, Jul 18, 2023
When using an eicosanoid ELISA kit, how much indomethacin should I use in my samples?
You should follow the suggestion in the product specific manual, and add up to 10µg per ml of liquid sample.…
Tue, Jul 18, 2023
What species can the eicosanoid ELISA kits be used for?
Eicosanoids are not species-specific. However, the antisera used in a particular assay may present an interference effect due to the…
Tue, Jul 18, 2023
What antibody pairs are used in the kit?
This varies from kit to kit. Refer to the product specific instruction manual for more information.
Tue, Jul 18, 2023
When using an IMMUNOSET® ELISA development set, can I use other Streptavidin-HRP solutions?
Yes, however the reagent should be optimized (titered) to assure acceptable signal intensity and background are achieved.
Tue, Jul 18, 2023
When using an IMMUNOSET® ELISA development set, is it really necessary to add stop solution before reading the plate?
While most plate readers have the ability to read optical density in the blue spectrum, they are usually more sensitive…
Tue, Jul 18, 2023
How do I know whether to use the Nitric Oxide (NO<sub>2-</sub>/NO<sub>3-</sub>) detection kit or the Nitric Oxide (total) detection kit?
The regular kit measures both major metabolic products of NO — nitrate and nitrite. The Total kit measures these metabolites…
Tue, Jul 18, 2023
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