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Results 76 - 87 of 87 for FAQ

FAQ	Category
Which diluent should I use for CSF samples? Diluent 35 is the best option as it closely mimics the sample matrix (it is esse...	Assays
Why are the lot numbers for my controls different from the ones shown in the certificate of analysis (COA) for my V-PLEX kit? The MSD control packs are not specific to a particular V-PLEX kit lot. Thi...	Assays
Why are the singleplex validated assays on a 4-spot plate? The performance of a small-spot plate and 4-spot plate are equivalent. We are wo...	Assays
Why do I need to dilute my CSF samples for Aß42, I usually use undiluted CSF? Other kits also use undiluted samples. We determined that a 1:8 dilution of CSF provided the best combination of matrix...	Assays
Why do I not see the same dynamic range as I see with cytokine assays? Non-specific binding of antibodies, especially phospho-specific antibodies, limi...	Assays
Why do only some of the V-PLEX assays have NIBSC/WHO reference information? NIBSC/WHO standards are not available for all analytes. Results are included in ...	Assays
Why do the calibrator curve concentrations change from one lot to the next for V-PLEX assays? Calibrators are re-evaluated with each new V-PLEX production lot to provide opti...	Assays
Why do the concentrations of the highest calibrators in the certificate of analysis (COA) for validated kits vary between kit lots? As part of the kit lot verification process, we compare the calibrator for the n...	Assays
Why is the Human Aß42 Kit LLOD given as a range? Should I expect a mid-range LLOD value? The LLOD was calculated across many runs. Since the LLOD is computed as 2.5 stan...	Assays
Why was Wash Buffer not included in my V-PLEX assay kit? Wash Buffer is only included with the “V-PLEX Plus” version of the k...	Assays Reagents Diluents Buffers
Will the new tau calibrator be incorporated into the other Tau assays? MSD is currently working on new calibrators for our existing Total Tau and phosp...	Assays
Will the validated Alzheimer's kits be provided with controls? MSD sells quality controls as a separate package (Neurodegeneration Control Pack...	Assays

Results 76 - 87 of 87 for FAQ