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Magnetic Beads Buccal Swabs Genomic DNA Extraction Kit
Magnetic Beads Buccal Swabs Genomic DNA Extraction Kit
Price:
450.00~750.00
Size:
购买数量:
产品详情
货号

CD0004

品名

磁珠法口腔拭子基因组 DNA 提取试剂盒

预期用途

本试剂盒适用于人唾液、口腔黏液、口腔拭子等样品中快速提取、纯化基因组DNA的试剂盒,样品经简单预处理后直接提取,提取产物纯度高,片段完整,可用于后续各种分子生物学实验,如酶切、PCR、荧光定量PCR、文库构建、Southern杂交等。本试剂盒仅用于科研用途,请勿用于临床诊断使用。

保存条件

室温保存(15-30℃),有效期为12个月

试剂盒组成

试剂名称                      规格

裂解液                        4 mL

蛋白酶混合液                                 400 μL

磁珠                                             200 μL

洗液一(需加乙醇)                                 6 mL

洗液二(需加乙醇)                                 6 mL

洗脱液                                    1.2 mL

注:使用前各加6 mL无水乙醇(分析纯)至洗液一和洗液二瓶中

操作步骤

核酸提取纯化准备:

1. 裂解液如有沉淀,请于 56℃ 温浴至沉淀完全溶解后使用。

2. 使用前,使用前各加 6 mL 无水乙醇(分析纯)至洗液一和洗液二瓶中,混匀,并做好标记(确保瓶盖拧紧,防止乙醇挥发)

提取纯化步骤:

1.取待检样本 200 μL,依次加入 20 μL蛋白酶混合液、200 μL 裂解液,漩涡振荡 10 s,56°C孵育 10 分钟。           

2.然后加入 300 μL 异丙醇和 10 μL 磁珠,漩涡振荡 10 s,上下颠倒离心管 10 次,使管内磁珠分布均匀。

3.静置离心管 10 分钟,每隔两分钟上下颠倒离心管 5 次,使管内磁珠分布均匀。

4.将离心管置于离心机上,8000 g 离心 1 min,用移液器吸去管内液体。

5.加入 600 μL 洗液一,用移液器枪头轻柔打散管壁磁珠,漩涡振荡 10 s,直至其分布均匀。

6.将离心管置于离心机上,8000 g 离心 1 min。用移液器吸去管内液体。

7.加入 600 μL 洗液二,用移液器枪头轻柔打散管壁磁珠,漩涡振荡 10 s,直至其分布均匀。

8.将离心管置于离心机上,8000 g 离心 1 min。用移液器吸去管内液体。

9.加入 600 μL 的 80% 乙醇,用移液器枪头轻柔打散管壁磁珠,漩涡振荡 10 s,直至其分布均匀。

10.将离心管置于离心机上,8000 g 离心 1 min。用移液器吸去管内液体。

11.将离心管置于离心机上,8000 g 离心 30 s。用移液器吸去管内残余液体。

12.打开管盖,室温干燥 2 分钟。

13.加入 60 μL 洗脱液,用移液器枪头打散管壁磁珠,直至其分布均匀。56°C 孵育 3 分钟。

14.将离心管置于离心机上,10000 g 离心 1 min。吸取上清至一个无核酶干净的离心管中,此即为纯化后的核酸溶液。

自备仪器和试剂

1.恒温水浴锅,Votex,高速离心机

2.无水乙醇,异丙醇

注意事项

1.所有吸弃上清的操作都不能将磁珠吸出。

2.每次洗涤都需要移液器枪头轻柔打散管壁磁珠,漩涡振荡 10 s,直至其分布均匀。

3.裂解液必须完全溶解为均一液体,如果出现浑浊或者沉淀,请将其置于 37-56℃ 孵育直至澄清。

4.本试剂盒涉及的检测样本应视为具有传染性物质,操作和处理均需符合卫生部《微生物生物医学实验室生物安全通用准则》和《医疗废物管理条例》相关要求。


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