Creative diagnostics provides high quality zonulin elisa kits for the quantitative determination of human haptoglobin concentrations in serum-free cell culture supernates, serum, plasma, saliva, and urine. It is only for research use. You can also search for the ELISA kit you need by target name, species, etc. Should you need any assistance, our experienced scientists are more than happy to provide optimized protocols and helpful technical support to accelerate your research.