The microfluidic system subjects nanoliter volumes of liquids taken from the initial feedstock to reactive chemicals in various mixing ratios to determine the best conditions for growing protein crystals.

• 从最初原料中只取1奈升的液体，跟不同比例化学试剂混合反应，就可以用微流体系统决定出培养蛋白质晶体的最佳条件。