利用2'，7'二氯双氢荧光素二乙酸酯在共聚焦显微镜下测定内皮中的氧自由基生成量。
The production of oxygen-derived free radicals in the endothelium was measured with 2', 7'-dichlorodihydrofluorescein diacetate using confocal microscopy.
结果表明，椰壳聚糖及其配合物对氧自由基均具有较好的清除活性，而且成量效关系。
The results demonstrated that the complexes showed good ability for scavenging the superoxide anion radical, and the ability was increased as the amount of the complexes increased.
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