biovisionK556-100glutamine assay kit, glutamine assay, glutamine kit, assay glutamine, measure glutamine level, quantitate glutamine level, glutamine quantitation kit, glutamine, glutamine colorimetric assay kit, gln assay kit, gln assay, gln kit, assay gln, measure gln level, quantitate gln level, gln quantitation kit, gln colorimetric assay kit? Detection method- Absorbance (450 nm) ? Applications- Measurement of Glutamine in various biological samplesMeasurement of Glutamine in various biological samples? Serum, plasma, urine or other biological fluids ? Mammalian tissues: kidney, liver, brain samples etc.