Methods Brainstem slices were prepared from postnatal 1~ 5 days mice and stained by RH155, an absorption voltage-sensitive dye, for 20 mi n.
方法自新生小鼠（1～ 5天）制备离体脑干切片，用吸光性电压敏感染料RH155染色2 0分钟。
They are important material in the preparation of fluorescent whitener and dye. They also play an important role in the synthesis of high sensitive chromogenic reagent.
苯并噻唑类化合物是制作荧光增白剂、荧光染料的重要原料，在高灵敏度显色剂的合成中也具有重要的地位。
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