conditions for assay of alpha-n-acetylglucosaminidase activity in human cultured fibroblasts , cultured amniotic fluid cells , leucocytes , serum , plasma and chorionic villi were studied using the fluorogenic substrate 4-methylumbelliferyl-2-acetamido-2-deoxy-alpha-d-glucopyranoside .
C0229671
serum
C0032105
plasma