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1.早期切除法:当杂菌出现在表面而尚未形成孢子时,按照无菌操作技术要求,左手持瓶子倒置,右手拿切除铲轻轻拔掉瓶塞,用铲将杂菌连同周围部分培养基切除,使其自然脱落于瓶外,并注意不要让碎屑贴附瓶内壁,然后瓶塞经火焰杀菌,成功率可达90％左右。 2.石灰覆盖法:杂菌串塞感染,来势猛,传播迅速,主要因培养室通风不良,空
1. Early excision method: When the bacteria appear on the surface and not yet formed spores, in accordance with the requirements of aseptic technique, the left hand holding the bottle upside down, remove the cork with a right shovel gently unplug the cork, shovel with the surrounding parts of bacteria culture Base excision, so that it naturally off the bottle, and be careful not to let the debris attached to the bottle wall, then the bottle stopper flame sterilization, the success rate of up to 90%. 2. Lime cover method: bacteria string infection, fierce Meng, spread rapidly, mainly due to poor ventilation training room, empty