biovisionK385-100magnesium assay kit, magnesium assay, magnesium kit, assay magnesium, measure magnesium level, quantitate magnesium level, magnesium quantitation kit, magnesium, magnesium colorimetric assay kit? Detection method- Absorbance (450 nm) ? Species reactivity- Mammalian ? Applications- The linear range of the assay is 2-15 nmoles with detection sensitivity~ 40 μM. Cell and tissue lysates, culture media, urine, plasma and serum, as well as many other biological fluids