biovisionK633-100fumarate assay, fumarate assay kit, fumarate quantification kit, assay fumarate, measure fumarate, quantitate fumarate, fumarate kit, fumarate measurement kit, fumarate quantitation kit, fumarate colorimetric assay kit, fumarate, glyoxylate, glyoxylate pathway? Detection method- Absorbance (450 nm) ? Species reactivity- Mammalian ? Application- Kit can detect as low as 1 nmol of fumarate per well (20 μM). Cell and tissue culture supernatants, urine, plasma and serum, as well as many other biological fluids