吉氏、皂素混合液快速湿片染色检查疟原虫,具有染色迅速、操作简便、阳性检出率较高等优点.但该法所用皂素液配制后,极易生长细菌而变浑,对应用颇有影响。为此,笔者用新洁尔灭、尼泊金,石炭酸、甲醛等作防腐效果观察,发现在皂素液内加入适量甲醛有明显防腐作用,实际应用良好,有 Kyrgyzstan, saponin mixture wet fast staining of Plasmodium, has the advantages of rapid staining, easy operation, positive detection rate, etc. However, the method used in the preparation of saponin solution, easy to grow bacteria and become muddy, the application Quite influential. To this end, the author with benzalkonium bromide, nipagin, carbolic acid, formaldehyde and other anti-corrosion effect for the observation and found that adding appropriate amount of formaldehyde in saponin liquid has obvious anti-corrosion effect, the practical application of good, there