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Merck

AMPD1

脱氧核糖核酸酶I

Amplification Grade

别名:

脱氧核糖核酸酶 I(DNA酶I)

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关于此项目

NACRES:
NA.55
UNSPSC Code:
41106300
Concentration:
1 unit/μL
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Quality Level

form

liquid

concentration

1 unit/μL

technique(s)

RT-PCR: suitable

color

colorless

shipped in

wet ice

storage temp.

−20°C

General description

当前没有任何 RNA 分离程序可以 100% 去除 DNA。 许多商业DNase I 制剂受到了残留RNase污染, 这种RNase污染会在逆转录以前破坏或分解有价值的RNA样品。实验室比较表明,Sigma′的扩增级 DNase I 的RNase活性低于几家领先的分子生物学产品供应商产品。
脱氧核糖核酸酶I(DNase I)是一种从牛胰腺中分离的内切核酸酶,可将双链和单链DNA消化成寡核苷酸和单核苷酸。 扩增级 DNase I 已纯化去除RNase活性,适于在 RT-PCR(逆转录酶 - 聚合酶链反应)等敏感应用之前去除 RNA 制剂中的DNA。

DNase I可将双链和单链DNA酶解成寡核苷酸和单核苷酸。采用提供的反应缓冲液,在室温下消化 15 分钟,可去除 RNA 制剂中的 DNA。然后随同终止液加热,使DNase I失活。加热还会使RNA中的发夹变性,可直接用于逆转录。

当前没有任何 RNA 分离程序可以 100% 去除 DNA。 许多商业DNase I 制剂受到了残留RNase污染。 这种RNase污染会在逆转录以前破坏或分解有价值的RNA样品。实验室比较表明,Sigma′的扩增级 DNase I 的RNase活性低于几家领先的分子生物学产品供应商产品。

Application

适用于去除 RNA 制剂中的 DNA。
扩增级脱氧核糖核酸酶I(DNase I)已用于:
  • 在 RNA 的分离和纯化过程中消化 DNA。纯化的 RNA 可用于通过RNA 逆转录酶合成 cDNA。
  • 水解细胞外基质 (ECM) 成分并增强光敏剂在生物膜中的渗透以确定抗菌光动力疗法 (aPDT) 对白色念珠菌生物膜的功效
  • 从牛血样中提取的总 RNA 中去除污染 DNA

Features and Benefits

  • 适用于去除 RNA 中的 DNA
  • 超低RNase活性
  • 经过优化的10×反应缓冲液和终止液,可使DNase I完全失活

Other Notes

在 37 °C 下,一个单位可在 10 min 内将 1μg 质粒DNA 消化为寡核苷酸。

Legal Information

购买本产品附带有限的许可,仅可用于研究用途聚合酶链式反应 (PCR) 过程,且应配合热循环仪使用。该热循环仪在 PCR 过程的自动执行中的使用由预先许可费涵盖,该费用通过向 Applied Biosystems 支付或购买的方式(即授权的热循环仪)支付。


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存储类别

10 - Combustible liquids

flash_point_f

Not applicable

flash_point_c

Not applicable



历史批次信息供参考:

分析证书(COA)

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实验方案

将RNA逆转录成DNA的方法。使用含有逆转录酶、dNTP、引物、RNase抑制剂和缓冲液的预混试剂。快速合成cDNA。

SeqPlex RNA扩增试剂盒可在进入常用深度测序平台工作流程之前为总RNA或分离后的mRNA提供一种扩增方法,

Method for reverse transcription of RNA into DNA. Uses a premixed reagent that contains reverse transcriptase, dNTPs, primers, RNase inhibitor and buffer. Fast generation of cDNA.

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