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. Author manuscript; available in PMC: 2012 Aug 22.
Published in final edited form as: Anal Bioanal Chem. 2012 Apr 12;403(6):1491–1500. doi: 10.1007/s00216-012-5944-4

Scheme 5.

Scheme 5

Determination of ST activity by increase in MU fluorescence. A DHEA-ST and B SULT1A3 activity by regeneration of PAPS with auxiliary SULT1A1 enzyme reducing the fluorescence of MU