人体内部分硫酸根在消耗ATP的条件下被活化成“活性硫酸根”即“3′—磷酸腺苷—5′—磷酸硫酸（phosphoadenosine—5′—phosphosulfate，PAPS）
结论：褐藻多糖硫酸酯各组分均有一定的抗PAF活性，其作用随葡萄糖醛酸含量降低、硫酸根含量升高而增强。
Conclusion The ingredients from APS had definite anti-PAF activities which was increased along with the decrease of the glucuronate level and the increase of the sulfate contents.
在阳离子表面活性剂——十六烷基三甲基溴化铵（CTMAB）的存在下，用比浊法对铝箔蚀腐液中微量硫酸根离子进行测定。
Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).
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