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Oxidative Stress Detection
No decrease of the fluorescent signal after using a specific inhibitor
Inhibitor concentration is too low or too high. Very low doses of inhibitor may not affect ROS production by inducer.…
Tue, Jul 18, 2023
Low or no fluorescent signal in positive control
Species of interest may react with each other, thus attenuating the expected signal. ROS is a complex interacting system. Blocking…
Tue, Jul 18, 2023
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
Can I run cell lysates with the Nitric Oxide detection kits?
Yes. First remove the media from the cells. Pellet them and wash with PBS before lysing the cells in the…
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
Can I measure tissue NO with the Nitric Oxide detection kits?
Yes. Samples can be homogenized in the provided Reaction Buffer and then centrifuged. The supernatant should then be filtered through…
Tue, Jul 18, 2023
How do the ROS/RNS dyes work?
Nitric Oxide (Red dye): The strategy for fluorescence-based detection of NO employs an o-phenylenediamine scaffold, which in the presence of…
Tue, Jul 18, 2023
For the ROS/RNS detection kit, ENZ-51001, can samples be stored after the final wash buffer step in the protocol, and do the microscopy at a later date?
No, this is a vital stain. Live cells must be read immediately per the manual.
Tue, Jul 18, 2023