PromoCell’s Sialic Acid Assay Kit provides a simple and convenient means of measuring free Sialic Acid in a variety of biological samples. The kit utilizes an enzyme coupled reaction in which free sialic acid is oxidized resulting in development of the OxiRed probe to give fluorescence (Ex/Em=535/587 nm) and absorbance (OD=570 nm). The kit measures sialic acid in the linear range of 0.1 to 10 nmol with a detection sensitivity ~ µM concentration.
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