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![Sandwich ELISA: CXCL12/SDF-1 Antibody (1E5) [H00006387-M01] - Detection limit for recombinant GST tagged CXCL12 is approximately 1ng/ml as a capture antibody.](http://images.novusbio.com/fullsize/CXCL12-SDF-1-Antibody-1E5-Sandwich-ELISA-H00006387-M01-img0002.jpg "Sandwich ELISA: CXCL12/SDF-1 Antibody (1E5) [H00006387-M01] - Detection limit for recombinant GST tagged CXCL12 is approximately 1ng/ml as a capture antibody.")