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Knowledge Base
My sample type is not listed in your insert. Can the kit be used anyway?
All sample types that have been positively tested are indicated on our website in the field “Application” and in the…
Tue, Jul 18, 2023
Should I multiply the results obtained by the dilution factor?
Yes, the dilution factor must be applied to the calculated data to get the correct amount of biological marker present…
Tue, Jul 18, 2023
What is the minimum sample volume for using the kit?
The assay requires 100 µL of diluted sample per well. The amount needed, therefore, depends on the samples themselves and…
Tue, Jul 18, 2023
Do you check for cross-reactivity with other steroids?
Yes, cross-reactivities for a number of related steroid compounds were determined and are listed in the kit insert.
Tue, Jul 18, 2023
Do you sell positive controls that can be run with your steroid ELISA kits?
We do not provide positive control samples with our kits. If you need to ensure accurate recovery of any analyte…
Tue, Jul 18, 2023
How can I overcome sample matrix interference?
The easiest way to overcome sample matrix interference is by diluting your sample with assay buffer. In order to determine…
Tue, Jul 18, 2023
How should I test for possible matrix interference with my samples?
Matrix interference describes the situation where the sample matrix (buffer salts, pH, additives like detergents or solvents, proteins, …) interferes…
Tue, Jul 18, 2023
Which is the best dilution for my sample type?
In the manual, section “Sample recoveries”, we provide a list of recommended dilutions. Those are the dilutions our development scientists…
Tue, Jul 18, 2023
Why is there sample dilution necessary in this ELISA Kit?
There are several reasons for dilutions. In some cases samples might read above the standard curve, thus requiring a dilution…
Tue, Jul 18, 2023
How does the steroid displacement reagent (SDR) work?
Steroids in circulation are almost all ionically bound to carrier proteins such as albumin or more specific binding proteins. Treating…
Tue, Jul 18, 2023