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What is the minimum recommended dilution for samples? Can I dilute less?
This is the minimum dilution required to eliminate matrix interference in the assay. In general, this data is collected using…
Tue, Jul 18, 2023
Why are my ODs different than those shown in the instruction manual?
It is normal to see a small variation in OD values between experiments. OD values can be affected by small…
Tue, Jul 18, 2023
What is actually being stained in the nucleolus by the Nucleolar-ID™ Green Detection Reagent?
We use an RNA binding dye and this has been validated. However, in the context of live cells we cannot…
Tue, Jul 18, 2023
Poor Precision
Were the wells washed properly? All wells receive the same treatment during the wash step. If some are washed less…
Tue, Jul 18, 2023
Drift
Were reagents brought to room temperature prior to use? If the reagents are not at a constant temperature prior to…
Tue, Jul 18, 2023
Weak Color Development
Was substrate added at the correct point in the assay? See the assay procedure provided in the instruction manual. Were…
Tue, Jul 18, 2023
What is the Kd and quantum yield of FluoForte® Calcium Assay kit?
Kd is estimated to be 389 nM (22°C, pH 7.0 –7.5). Maximum quantum yield is 0.18 at pH 7.2.
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
How soon after incubation with Cyto-ID® autophagy dye would the samples need to be analyzed by flow cytometry? The user manual recommends following 30 minutes incubation. Is it advisable to temporarily store samples on ice before they are analyzed?
One can store the samples on ice for a short period of time to extend the period of optimal staining.…
Tue, Jul 18, 2023
How long can the fluorescence signal be detected in live cells?
Typically, cells are induced to undergo autophagy and then stained just prior to analysis. Induction can be as little as…
Tue, Jul 18, 2023