0.25%胰酶&0.02%EDTA(无酚红)
2分钟快速消化,高纯度高活性
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Instruction manual- Product Description
- Composition
- Precautions
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一、产品简介
胰蛋白酶-EDTA 消化液(Trypsin-EDTA Solution)含 0.25%胰酶和 0.02%EDTA(0.53mM) ,溶于无钙无镁的 HBSS 溶液中 ,0.1 μm 滤膜两次过滤除菌 ,可以直接用 于培养细胞和组织的消化。本产品具有方便快速、稳定安全、细胞状态好等特点。通常室温消化 2 分钟左右就可以消化下大多数贴壁细胞。
二、保存条件
-20℃保存。冰袋运输。
三、使用说明
对于贴壁细胞
1. 吸去培养液 ,用无菌的 PBS、Hanks 液或无血清培养液洗涤细胞一次 ,以去除残余的血清。
2. 加入少量胰蛋白酶-EDTA 消化液 ,盖过细胞即可 ,室温放置 1-2 分钟。不同的细胞消化时间有所不同 ,对于贴壁牢固的细胞可适当延长消化时间。
3. 显微镜下观察 ,细胞明显收缩 ,并且肉眼观察培养器皿底部发现细胞的形态发生明显的变化;或者
用枪吹打细胞发现细胞刚好可以被吹打下来。此时吸除消化液 ,加入含血清的细胞培养液 ,吹打下细胞,即可直接用于后续实验。
4. 如果发现消化不足 ,可加入胰蛋白酶-EDTA 消化液重新消化。
5. 如果发现细胞消化时间过长 ,未及时吹打细胞 ,细胞已经有部分直接从培养器皿底部脱落 ,直接加入含血清的细胞培养液把细胞全部吹打下来。 1000-2000g 离心 1 分钟 ,沉淀细胞,尽量去除胰酶细胞消化液后 ,加入含血清的完全培养液重新悬浮细胞 ,即可用于后续实验。
对于组织的消化
不同的组织需要消化的时间相差很大 ,通常以消化后可以充分打散组织为宜。
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四、注意事项
1. 由于组织或细胞性质不同 ,实验人员应依据具体情况 ,确定最佳消化时间;消化细胞时间不宜过长,否则会影响细胞贴壁和生长状况。
2.本产品不含抑菌剂 ,在使用过程中要特别注意无菌操作 ,避免消化液被微生物 污染。
3.不宜 4℃长期保存 ,切忌反复冻融 ,小量使用时建议分装冻存。
4. 为了您的安全和健康 ,请穿实验服并戴一次性手套操作。
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Goonie Biotechnology (Guangzhou) Co., Ltd.
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