I need to measure the plasma levels of IL-6 in C57BL/6 mice that have undergone unpredictable chronic mild stress (a stress protocol) for 4 weeks.

Can anyone suggest a good ELISA kit for this? I have low plasma volumes available, and it seems like many kits require 50 ul sample per reaction (in duplicate).

I am wondering if by diluting the samples I risk not being able to detect IL-6? 

Any help/suggestions would be much appreciated

Cheers

Antonio

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