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ELISA Immunoassays
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
What is the best way to analyze my data? What is 4-PL curve-fitting?
For the most accurate results we recommend that 4 parameter logistic (4-PL) curve fitting software be used. The object of…
Tue, Jul 18, 2023
What kind of instrumentation is required to read a CLIA assay?
A plate luminometer is necessary to read the RLU (relative light units) generated by these assays. It is not necessary…
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
High Background
How was the plate washed? It is important that the plate is washed thoroughly. If plate washing is troublesome, a…
Tue, Jul 18, 2023
Poor Standard Curve
What was used as the standard diluent? Diluents other than the supplied assay buffer may contain interfering substances that can…
Tue, Jul 18, 2023
Edge Effects
Where was the plate incubated? Often times the conditions for ambient incubations can be less than ideal. If there is…
Tue, Jul 18, 2023
Is extraction of vasopressin necessary prior to using the Vasopressin ELISA kit?
Enzo Vasopressin ELISA kit does require extraction of vasopressin from all sample types for accurate determination.
Tue, Jul 18, 2023