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1, 样品可for新鲜tissue, cell爬片, 4%多聚甲醛固定oftissue/cell, 蜡块或OCT包埋包埋剂包好ofcell/tissue, as well asalready做好切片oftissue.
2, Sample Type不一样, 价格have所差异. (need进行前process, such as需包埋, 切片, 则需收取前process费用)
Q1, 切片in脱蜡后出现大量白色斑点
(1) 烤 (烘) 片温度太低, 玻片in脱蜡前没have充分烤 (烘) 干 - 先用无水乙醇去除玻片上of水分, 然后重新用二甲苯进行脱蜡process.
(2) 切片in二甲苯停留时间不足 或停留时间过久 - 切片需退回到二甲苯Operating Steps, 使其停留时间相对长些, 或更换二甲苯, 进行重新stain.
Q2, cell核stain暗淡, 即苏木精stain太淡
(1) 切片in苏木精stain液停留时间太短
(2) 苏木精stain液过度氧化, 失去stain能力, 不能再继续using
(3) 分化步骤时间过长. such as果is骨tissuecell核暗淡, 则多数is由于脱钙过度造成.
改善方法: 切片需重新stain, such as果tissuein固定液固定时间过长, cell核stain能力将减弱, 需增加其in苏木精stain液of时间, 或用一些方法增加tissueof嗜碱性, 以改善cell核of着色.
Q3, cell核过染, 即苏木精颜色过深, 甚至苏木精颜色of分布占据了cell质of位置
(1) 切片in苏木精stain液停留时间过长
(2) 切片太厚
(3) 分化步骤时间过短
改善方式: such as果切片不is因for太厚, 对切片进行重新stain, 对于stainand分化时间做出适当地调整; such as果确定is由于切片太厚导致cell核过染, 则need重新切片.
Q4, cell核呈红, 棕色改变
苏木精stain液过度氧化and切片in苏木精染液stain后返蓝不足- 每timesstain之前检查苏木精stain液ofstain能力, 发现氧化过度及时更换. 其times, 可用流水, 温水或弱碱性溶液such as稀氨水, 0.2%碳酸氢钠etc., in苏木精stain后, 给切片足够of蓝化时间.
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