What is considered an acceptable correlation coefficient, r value for the Quant-iT Endotoxin Detection Assay?
The US Pharmacopeia recommends performing this analysis using log transformed concentration and RFU data and then performing a linear regression fit to verify that the correlation coefficient, r, is greater than or equal to 0.980.
How do I store the Quant-iT Endotoxin Detection Assay Kit?
The entire kit can be stored at 2-8 degrees C for 6 months. Reconstituted Endotoxin standard solutions are stable for 4 weeks at 2-8 degrees C and reconstituted dye can be stored for 4 weeks at 2-8 degrees C. Reconstituted amebocyte lysate solution is stable for 1 week at -20 degrees C or colder if frozen immediately after reconstitution.