Can someone please recommend an antibody specific to Hsp70 only?

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Russell Linscott

Try contacting StressMarq Biosciences ( http://www.stressmarq.com ). They are something of specialists and should be able to tell you which (if any) of their anti-Hsp70 Abs don't react with the isoforms.

Theventhiran Mahandaran

https://www.enzolifesciences.com/ADI-SPA-810/hsp70-hsp72-monoclonal-antibody-c92f3a-5/

This is an excellent HSP70/ HSP72 antibody that I use. This antibody specifically detects HSP70/ HSP72 (HSPA1A) instead of HSP73/ HSC70 (HSPA8) & GRP78/ BiP (HSPA5).