What if I don't read the plate immediately, what should I do and how do I preserve the plate? in the fridge or on the bench? and is it reliable to do so?
I don't think it's a good idea to wait long time before you measure the OD.
Still the color is stable for a few hours at room temperature.
Check that:
http://www.ncbi.nlm.nih.gov/pubmed/?term=Rapid+Colorimetric+Assay+for+Cellular+Growth+and++Survival%3A+Application+to+Proliferation+and++Cytotoxicity+Assays
I hope it'll help you
Thanks a lot, fortunately I didn't have to do that at the end, it was an emergency.
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