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I want to use Fish Igf-1 ELISA kit for fish's liver homogenate.
In the protocol of the kit, for tissue homogenates, after homogenizing, stored overnight at -20oC. After 2 freeze-thaw cycles, centrifuge the homogenates.I do not understand too much about this. It means I have wait for 2 days to homogenate 2 sample (homogenate-> store -20oC-> thaw-> store 20oC -> thaw-> centrifuge)? Can you explain for me. Thanks!
Can you let me know in which buffer the samples should be diluted?
This is not written in de manual!
In the current protocol nothing is mentioned about an extraction of IGF-1 from binding proteins. This is generally a necessary procedure to properly measure IGF-1. Is an extraction, and if so which, recommended by Cusabio? Is this procedure in the most recent protocol?