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Addgene/pAAV.CMV.PI.EGFP.WPRE.bGH/1unit/105530-AAV5
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Addgene/pAAV.CMV.PI.EGFP.WPRE.bGH/1unit/105530-AAV5
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105530-AAV5
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Ordering

ItemCatalog #DescriptionQuantityPrice (USD)
Plasmid105530Standard format: Plasmid sent in bacteria as agar stab1$75
Add to Cart
AAV1105530-AAV1Virus (100 µL at titer ≥ 1×10¹³ vg/mL)and Plasmid.More Information
$380
Add to Cart
AAV2105530-AAV2Virus (100 µL at titer ≥ 7×10¹² vg/mL)and Plasmid.More Information
$380
Add to Cart
AAV5105530-AAV5Virus (100 µL at titer ≥ 7×10¹² vg/mL)and Plasmid.More Information
$380
Add to Cart
AAV8105530-AAV8Virus (100 µL at titer ≥ 1×10¹³ vg/mL)and Plasmid.More Information
$380
Add to Cart
AAV9105530-AAV9Virus (100 µL at titer ≥ 1×10¹³ vg/mL)and Plasmid.More Information
$380
Add to Cart
AAV rh10 (similar to AAV10)105530-rh10Virus (100 µL at titer ≥ 1×10¹³ vg/mL)and Plasmid.More Information
$380
Add to Cart

This material is available to academics and nonprofits only.

Backbone

  • Vector backbone
    pAAV
    (Search Vector Database)
  • Vector type
    Mammalian Expression, AAV

Growth in Bacteria

  • Bacterial Resistance(s)
    Ampicillin
  • Growth Temperature
    37°C
  • Growth Strain(s)
    NEB Stable
  • Copy number
    Unknown

Gene/Insert

  • Gene/Insert name
    EGFP
  • PromoterCMV

Cloning Information

  • Cloning methodUnknown
  • 5′ sequencing primerCMV-F
  • (Common Sequencing Primers)

Resource Information

  • Supplemental Documents
    • pAAV.CMV.PI.EGFP.WPRE.bGH (p0101).gb
  • Terms and Licenses
    • UBMTA
    • Ancillary Agreement for Plasmids Containing FP Materials
  • Industry Terms
    • Not Available to Industry
  • Article Citing this Plasmid
    • 1 Reference

Depositor Comments

Penn Vector Core number p0101

Information for AAV1 (Catalog # 105530-AAV1)(Back to top)

Purpose

Ready-to-use AAV1 particles produced from pAAV.CMV.PI.EGFP.WPRE.bGH (#105530). In addition to the viral particles, you will also receive purified pAAV.CMV.PI.EGFP.WPRE.bGH plasmid DNA.

CMV-driven EGFP control. These AAV preparations are suitable purity for injection into animals.

Delivery

  • Volume100 µL
  • Titer≥ 1×10¹³ vg/mL
  • Pricing$350 USD for preparation of 100 µL virus + $30 USD for plasmid.
  • StorageStore at -80℃. Thaw just before use and keep on ice.
  • ShipmentViral particles are shipped frozen on dry ice. Plasmid DNA (≥ 200ng) will also be included in the shipment.

Viral Production & Use

  • Packaging Plasmidsencode adenoviral helper sequences and AAV rep gene, AAV1 cap gene
  • BufferPBS + 0.001% Pluronic F-68
  • SerotypeAAV1
  • PurificationIodixanol gradient ultracentrifugation
  • Reporter GeneEGFP

Biosafety

Requestor is responsible for compliance withtheir institution"s biosafety regulations.Lentivirus is generally considered BSL-2. AAV isgenerally considered BSL-1, but may requireBSL-2 handling depending on the insert.Biosafety Guide

Resource Information

  • Terms and Licenses
    • Ancillary Agreement for Penn Vectors
    • Terms of Use for Viral Vectors
  • Industry Terms
    • Not Available to Industry

Viral Quality Control

Quality Control:
  • Addgene ensures high quality viral vectors by optimizing and standardizing production protocols and performing rigorous quality control (QC) (see a list of our QC assays). Thespecific QC assays performed varies for each viral lot. To learn which specific QC assays were performed on your lot, please contact us.
  • Titer: the exact titer of your sample will be reported on the tube. The titer you see listed on this page is the guaranteed minimum titer. See how titers are measured.

Visit our viral production page for moreinformation.

Information for AAV2 (Catalog # 105530-AAV2)(Back to top)

Purpose

Ready-to-use AAV2 particles produced from pAAV.CMV.PI.EGFP.WPRE.bGH (#105530). In addition to the viral particles, you will also receive purified pAAV.CMV.PI.EGFP.WPRE.bGH plasmid DNA.

CMV-driven EGFP control. These AAV preparations are suitable purity for injection into animals.

Delivery

  • Volume100 µL
  • Titer≥ 7×10¹² vg/mL
  • Pricing$350 USD for preparation of 100 µL virus + $30 USD for plasmid.
  • StorageStore at -80℃. Thaw just before use and keep on ice.
  • ShipmentViral particles are shipped frozen on dry ice. Plasmid DNA (≥ 200ng) will also be included in the shipment.

Viral Production & Use

  • Packaging Plasmidsencode adenoviral helper sequences and AAV rep gene, AAV2 cap gene
  • BufferPBS + 0.001% Pluronic F-68
  • SerotypeAAV2
  • PurificationIodixanol gradient ultracentrifugation
  • Reporter GeneEGFP

Biosafety

Requestor is responsible for compliance withtheir institution"s biosafety regulations.Lentivirus is generally considered BSL-2. AAV isgenerally considered BSL-1, but may requireBSL-2 handling depending on the insert.Biosafety Guide

Resource Information

  • Terms and Licenses
    • Terms of Use for Viral Vectors
  • Industry Terms
    • Not Available to Industry

Viral Quality Control

Quality Control:
  • Addgene ensures high quality viral vectors by optimizing and standardizing production protocols and performing rigorous quality control (QC) (see a list of our QC assays). Thespecific QC assays performed varies for each viral lot. To learn which specific QC assays were performed on your lot, please contact us.
  • Titer: the exact titer of your sample will be reported on the tube. The titer you see listed on this page is the guaranteed minimum titer. See how titers are measured.

Visit our viral production page for moreinformation.

Information for AAV5 (Catalog # 105530-AAV5)(Back to top)

Purpose

Ready-to-use AAV5 particles produced from pAAV.CMV.PI.EGFP.WPRE.bGH (#105530). In addition to the viral particles, you will also receive purified pAAV.CMV.PI.EGFP.WPRE.bGH plasmid DNA.

CMV-driven EGFP control. These AAV preparations are suitable purity for injection into animals.

Delivery

  • Volume100 µL
  • Titer≥ 7×10¹² vg/mL
  • Pricing$350 USD for preparation of 100 µL virus + $30 USD for plasmid.
  • StorageStore at -80℃. Thaw just before use and keep on ice.
  • ShipmentViral particles are shipped frozen on dry ice. Plasmid DNA (≥ 200ng) will also be included in the shipment.

Viral Production & Use

  • Packaging Plasmidsencode adenoviral helper sequences and AAV rep gene, AAV5 cap gene
  • BufferPBS + 0.001% Pluronic F-68 + 200 mM NaCl
  • SerotypeAAV5
  • PurificationIodixanol gradient ultracentrifugation
  • Reporter GeneEGFP

Biosafety

Requestor is responsible for compliance withtheir institution"s biosafety regulations.Lentivirus is generally considered BSL-2. AAV isgenerally considered BSL-1, but may requireBSL-2 handling depending on the insert.Biosafety Guide

Resource Information

  • Terms and Licenses
    • Terms of Use for Viral Vectors
  • Industry Terms
    • Not Available to Industry

Viral Quality Control

Quality Control:
  • Addgene ensures high quality viral vectors by optimizing and standardizing production protocols and performing rigorous quality control (QC) (see a list of our QC assays). Thespecific QC assays performed varies for each viral lot. To learn which specific QC assays were performed on your lot, please contact us.
  • Titer: the exact titer of your sample will be reported on the tube. The titer you see listed on this page is the guaranteed minimum titer. See how titers are measured.

Visit our viral production page for moreinformation.

Information for AAV8 (Catalog # 105530-AAV8)(Back to top)

Purpose

Ready-to-use AAV8 particles produced from pAAV.CMV.PI.EGFP.WPRE.bGH (#105530). In addition to the viral particles, you will also receive purified pAAV.CMV.PI.EGFP.WPRE.bGH plasmid DNA.

CMV-driven EGFP control. These AAV preparations are suitable purity for injection into animals.

Delivery

  • Volume100 µL
  • Titer≥ 1×10¹³ vg/mL
  • Pricing$350 USD for preparation of 100 µL virus + $30 USD for plasmid.
  • StorageStore at -80℃. Thaw just before use and keep on ice.
  • ShipmentViral particles are shipped frozen on dry ice. Plasmid DNA (≥ 200ng) will also be included in the shipment.

Viral Production & Use

  • Packaging Plasmidsencode adenoviral helper sequences and AAV rep gene, AAV8 cap gene
  • BufferPBS + 0.001% Pluronic F-68
  • SerotypeAAV8
  • PurificationIodixanol gradient ultracentrifugation
  • Reporter GeneEGFP

Biosafety

Requestor is responsible for compliance withtheir institution"s biosafety regulations.Lentivirus is generally considered BSL-2. AAV isgenerally considered BSL-1, but may requireBSL-2 handling depending on the insert.Biosafety Guide

Resource Information

  • Terms and Licenses
    • Ancillary Agreement for Penn Vectors
    • Terms of Use for Viral Vectors
  • Industry Terms
    • Not Available to Industry

Viral Quality Control

Quality Control:
  • Addgene ensures high quality viral vectors by optimizing and standardizing production protocols and performing rigorous quality control (QC) (see a list of our QC assays). Thespecific QC assays performed varies for each viral lot. To learn which specific QC assays were performed on your lot, please contact us.
  • Titer: the exact titer of your sample will be reported on the tube. The titer you see listed on this page is the guaranteed minimum titer. See how titers are measured.

Visit our viral production page for moreinformation.

Information for AAV9 (Catalog # 105530-AAV9)(Back to top)

Purpose

Ready-to-use AAV9 particles produced from pAAV.CMV.PI.EGFP.WPRE.bGH (#105530). In addition to the viral particles, you will also receive purified pAAV.CMV.PI.EGFP.WPRE.bGH plasmid DNA.

CMV-driven EGFP control. These AAV preparations are suitable purity for injection into animals.

Delivery

  • Volume100 µL
  • Titer≥ 1×10¹³ vg/mL
  • Pricing$350 USD for preparation of 100 µL virus + $30 USD for plasmid.
  • StorageStore at -80℃. Thaw just before use and keep on ice.
  • ShipmentViral particles are shipped frozen on dry ice. Plasmid DNA (≥ 200ng) will also be included in the shipment.

Viral Production & Use

  • Packaging Plasmidsencode adenoviral helper sequences and AAV rep gene, AAV9 cap gene
  • BufferPBS + 0.001% Pluronic F-68
  • SerotypeAAV9
  • PurificationIodixanol gradient ultracentrifugation
  • Reporter GeneEGFP

Biosafety

Requestor is responsible for compliance withtheir institution"s biosafety regulations.Lentivirus is generally considered BSL-2. AAV isgenerally considered BSL-1, but may requireBSL-2 handling depending on the insert.Biosafety Guide

Resource Information

  • Terms and Licenses
    • Ancillary Agreement for Penn Vectors
    • Terms of Use for Viral Vectors
  • Industry Terms
    • Not Available to Industry

Viral Quality Control

Quality Control:
  • Addgene ensures high quality viral vectors by optimizing and standardizing production protocols and performing rigorous quality control (QC) (see a list of our QC assays). Thespecific QC assays performed varies for each viral lot. To learn which specific QC assays were performed on your lot, please contact us.
  • Titer: the exact titer of your sample will be reported on the tube. The titer you see listed on this page is the guaranteed minimum titer. See how titers are measured.

Visit our viral production page for moreinformation.

Information for AAV rh10 (similar to AAV10) (Catalog # 105530-rh10)(Back to top)

Purpose

Ready-to-use AAV rh10 (similar to AAV10) particles produced from pAAV.CMV.PI.EGFP.WPRE.bGH (#105530). In addition to the viral particles, you will also receive purified pAAV.CMV.PI.EGFP.WPRE.bGH plasmid DNA.

CMV-driven EGFP control. These AAV preparations are suitable purity for injection into animals.

Delivery

  • Volume100 µL
  • Titer≥ 1×10¹³ vg/mL
  • Pricing$350 USD for preparation of 100 µL virus + $30 USD for plasmid.
  • StorageStore at -80℃. Thaw just before use and keep on ice.
  • ShipmentViral particles are shipped frozen on dry ice. Plasmid DNA (≥ 200ng) will also be included in the shipment.

Viral Production & Use

  • Packaging Plasmidsencode adenoviral helper sequences and AAV rep gene, AAVrh10 cap gene
  • BufferPBS + 0.001% Pluronic F-68
  • SerotypeAAVrh10
  • PurificationIodixanol gradient ultracentrifugation
  • Reporter GeneEGFP

Biosafety

Requestor is responsible for compliance withtheir institution"s biosafety regulations.Lentivirus is generally considered BSL-2. AAV isgenerally considered BSL-1, but may requireBSL-2 handling depending on the insert.Biosafety Guide

Resource Information

  • Terms and Licenses
    • Ancillary Agreement for Penn Vectors
    • Terms of Use for Viral Vectors
  • Industry Terms
    • Not Available to Industry

Viral Quality Control

Quality Control:
  • Addgene ensures high quality viral vectors by optimizing and standardizing production protocols and performing rigorous quality control (QC) (see a list of our QC assays). Thespecific QC assays performed varies for each viral lot. To learn which specific QC assays were performed on your lot, please contact us.
  • Titer: the exact titer of your sample will be reported on the tube. The titer you see listed on this page is the guaranteed minimum titer. See how titers are measured.

Visit our viral production page for moreinformation.

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与 rRNA, 5SRNA, 5.8 SRNA 和 tRNA 相比,大多数真核生物的 mRNA 在其 3' 端带有 poly(A) 尾巴。因此,mRNA 能用 oligo(dT)-纤维素亲和层析法从细胞总 RNA 中分离 (Edmonds et al. 1971; Aviv and Leder 1972)。本实验来源「分子克隆实验指南第三版」黄培堂等译。 查看更多>
Roche公司的RNase Protection Assay (RPA) Using DIG-Labeled RNA Probes下载网址:http://www.roche-applied-science.com/PROD_INF/BIOCHEMI/no1_03/PDF/p22_23.pdf还有一份protocolh 查看更多>
SomaGenics, Inc品牌介绍/产品分类/厂家直采/代理 查看更多>
蛋白质的性质是多种多样的,这使得使用平行方法表达和纯化蛋白质具有挑战性。平行方法尤其可以应用在需要一种目标蛋白质的多种衍生物,以及需要多个同系物时。典 型的方案包括对目标的评价、目标的克隆和诱变、表达筛选、大规模的表达和纯化,以及对所产生蛋白质的分析和生物物理测试。本章介绍了一些用于平行蛋白质表达和纯化的策略及方法。作者: 伯吉斯等,主译:陈薇,本实验来自「蛋白质纯化指南」 查看更多>
在提取过程的第一阶段细胞的 RNA 酶应尽快灭活。一旦内源的 RNA 酶被破坏,RNA 受损的可能就大大降低,而纯化的过程就可以按合适的速度进行。本实验来源「分子克隆实验指南第三版」黄培堂等译。 查看更多>
DNA ultrapurificationThe success of DNA purification can have profound consequences on the success or failure of any injection effort. This summary of techniqu 查看更多>
噬菌体是感染细菌、真菌、放线菌或螺旋体等微生物的细菌病毒的总称,作为病毒的一种,噬菌体具有病毒特有的一些特性:个体微小;不具有完整细胞结构;只含有单一核酸。噬菌体基因组含有许多个基因,但所有已知的噬菌体都是在细菌细胞中利用细菌的核糖体、蛋白质合成时所需的各种因子、各种氨基酸和能量产生系统来实现其自身的生长和增殖。 查看更多>
Preparation of Poly A+ RNA and Northern AnalysisProcedure (Pharmacia #27-9255-01) Use RNase-free tips and reagents and wear gloves1) Remove organs from six C57 查看更多>
Source: Protocol OnlineAbstract: Simple precipitation method of concentrating poly(A)+ mRNA.ProcedureAdd 1/10 volume 3 M NaAc, pH 5.2, and 2.5 volumes 100% eth 查看更多>
基因(遗传因子)是产生一条多肽链或功能RNA所需的全部核苷酸序列。基因支持着生命的基本构造和性能。储存着生命的种族、血型、孕育、生长、凋亡等过程的全部信息。环境和遗传的互相依赖,演绎着生命的繁衍、细胞分裂和蛋白质合成等重要生理过程。生物体的生、长、衰、病、老、死等一切生... 查看更多>
原理酵母核酸中RNA含量较多,DNA含量则少于2%。RNA可溶于碱性溶液,当碱被中和后,可加乙醇使其沉淀,有此可得粗RNA制品。 查看更多>
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RNA干扰的成功与困惑123
到处游走的雨2017-10-03
http://www.bioon.com/biology/Special/RNAi/Index.shtml
这里有关于miRNA专题报道,可以看看
E.Z.N.A. Total RNA Kit I
步骤
A. 真核细胞和组织
自己需要的材料:
β-巯基乙醇、70%乙醇(DEPC水配置)、除RNase的枪头和EP管。
材料的最佳量
想得到最佳的产量和好的Hibind RNA柱的纯化效果,选用正确的细胞和组织量是最重要的。Hibind RNA柱的最大处理量是可变的,根据细胞和组织的类型。最大的结合能力是100ug的RNA。TRK裂解缓冲液的最大裂解能力是1*107个细胞或30mg的组织。
细胞的步骤
1. 用500ul的TRK裂解缓冲液裂解细胞(≤1*107),使细胞团松散,轻轻弹EP管或者用枪头吹旋,再用漩涡振荡混匀。
a) 使用前每1ml TRK裂解缓冲液加入20ul的β-巯基乙醇。
b) 如果是单层的组织培养细胞(成纤维细胞,内皮细胞等),可以直接在细胞培养器里裂解细胞。完全吸去培养基后直接加TRK裂解缓冲液至细胞中。加700ul的TRK到T35细颈瓶或250px的培养皿中,更小的培养器加500ul的TRK。将液体布满整个器皿表面,确保细胞裂解完全。将裂解产物转移至1.5mlEP管中。
c) 如果细胞是悬液培养,收集细胞(≤1,500rpm or 400*g)*5min,弃上清,加入TRK裂解液,漩涡振荡混匀,转移到1.5ml EP管中,进行步骤2。
2. 匀浆化裂解产物
“裂解和匀浆化样品”-第四页有详细的说明,如果细胞≤1*105,漩涡振荡1min。不完全使样品匀浆化会显著的减少RNA的产量还容易造成柱子堵塞。
a) 用匀浆器30 s,使样品匀浆化。
b) 用钝的针头的注射器(0.9mm直径),至少吹打5次是样品匀浆化。注射器要除RNase。
3. 将匀浆后的裂解产物转移至Homogenization Spin Column中,离心,≥1,4000*g, 3min,室温。将离心收集的流出液转移到新的EP管中。转到总RNA分离中第4步。
组织的步骤:
1. 用500ul的TRK裂解缓冲液裂解细胞(≤30mg),使用前每1ml TRK裂解缓冲液加入20ul的β-巯基乙醇。
500ulTRK裂解液最大裂解能力30mg,难破碎的组织大于20mg就用700ul的TRK裂解液。当组织量超出建议的最大量时,也不要超过40mg。
组织样品匀浆化参照第四页选择一种方法只用,除非是使用液氮,
2. 离心,≥1,5000*g, 5min, 室温。
3. 转移上清至,Homogenization Spin Column中,离心,≥1,3000*g, 3min,室温。将离心收集的流出液转移到新的EP管中。
总RNA分离:
4. 在裂解产物中加入50%体积(250ul-350ul)的无水乙醇(96%-100%)混匀,漩涡振荡20s。
5. 样品转移到Hibind RNA Mini column上,离心管的最大容量为750ul,加完乙醇后可能会形成沉淀。所以要充分振荡将所有的混合液加入到柱子上。室温离心,10,000*g,0.5-1min。弃去流出液(透过柱子流出到离心管里的液体)。
6. 将柱子放在一个新的2ml收集管中,加上300ul RNA wash buffer I。室温离心,10,000*g, 0.5-1min。同样弃掉流出液。
7. DNase I 消化(选择性)
在我的实验中没有做这一步。
8. 将柱子再放到一个新的2ml收集管中,加入400ul RNA wash buffer I, 室温离心,10,000*g, 30s,弃流出液。
9. 将柱子放到2ml收集管中,加入500ul RNA wash buffer II(乙醇稀释过的),室温离心,10,000*g, 30s,弃流出液。注意:使用前RNA wash buffer II 必须要用无水乙醇稀释(48ml),按照标签上的说明。
10. 用500ul RNA wash buffer II洗涤一次柱子,同上一步骤一样。室温离心,10,000*g, 30s,弃流出液。然后在空收集管中,以最大转速离心柱子,≥12,000*g, 2min, 室温,使的HiBind 基质完全干燥。
11. 转移柱子到一个新的1.5ml的Ep管中,(试剂盒中没有提供),加入50-100ul的DEPC水洗脱柱子(试剂盒中提供)。确保水直接加到了柱子的基质上。10,000*, 1min, 室温。如果RNA的总量大于30ug,可以进行二次洗脱。
注意:可以选择性地,用大一点的体积洗脱RNA。如果进行二次洗脱,总RNA的量会增加,但是浓度会降低,因为80%以上的RNA会在第一次时被回收。在加柱子前将水加热到65℃并室温孵育柱子5min会增加产量。
前段时间做了一批大鼠模型,提了大鼠血液和淋巴细胞还有肺组织的RNA。量太大了只能选择试剂盒,方便,速度快。Qiagen的效果的确好可是太太贵了,要是像我这样提上百分样品的RNA估计老板不大破产,也得小破产了。比较一下后选择了OMEGA公司得RNA提取试剂盒。
下面是我自己翻译得中文说明书,大家批判着看吧,起码起个借鉴作用。有需要的就看看吧。版主也给加点分哦!:D:I
还有一些具体实验操作中自己总结的经验,不要着急整理好了就会发上来和大家一起分享。:D:D

OMEGArna提取试剂盒中文说明.doc(34.0k)

RNA提取对于科研人员来说并不陌生,但是要得到好的结果却不是一件很容易的事情。事实上,现在市面上的丰富的RNA提取试剂基本上可以满足科研人员的需要,为什么往往提取的RNA却容易失败呢?

RNA提取失败的主要现象有三个:提取的RNA降解、提取的RNA量偏低以及提取的RNA纯度低。究竟怎样才能确保RNA提取的成功率呢?

首先,要确定材料的可用性。尽管现有的RNA提取试剂都用抑制RNase的成分,但提取的材料仍需谨慎处理。提取的材料的新鲜度是获取完整RNA的关键,但是由于种种原因无法立即从新鲜材料中提取RNA时,使用Takara公司的样品保护剂SampleProtectorforRNA/DNA可以免去使用液氮或超低温冰箱的不便,同时也可以有效解决组织、细胞样品的短时间保存及运输问题。此外,如果将不同时期收集的样品都预先存放于本试剂中,可以做到立即终止并固定RNA表达的时序变化,减少实验组间的误差。

其次,选择合适的提取试剂是最重要的一步。好的提取试剂在确保成功的同时,操作方便且经济实用。对于动物组织、简单的植物材料、各种微生物、培养细胞的totalRNA提取,Takara公司的RNAisoPlus具有诸多的成功案例。随着2013年7月柱型提取试剂TaKaRaMiniBESTUniversalTotalRNAExtractionKit的成功上市,进一步丰富了TakaraRNA提取的产品线。该产品采用了独特的细胞裂解系统,无需苯酚氯仿抽提等步骤,简单快捷。组织或细胞裂解后,提取操作仅需20分钟便可完成。

对于富含多糖多酚的植物类组织提取是个难点,Takara精心研发的柱型提取试剂TaKaRaMiniBESTPlantRNAExtractionKit可以轻松解决这个问题。TaKaRaMiniBESTPlantRNAExtractionKit可以高效地从各种简单的植物组织材料(叶片、茎、幼苗等)、富含多糖多酚的植物组织材料(果实、种子等)、真菌提取高纯度的TotalRNA,适用范围广泛。按照标准流程,本试剂盒可以有效地提取分子量大于200nt的RNA,也可以按照可选步骤提取得到包含SmallRNA(<200nt)的TotalRNA。试剂盒中包含了RNA提取所需的全部试剂,无需额外购买其它试剂


dna提取试剂盒说明书123
ewen71172021-07-23
**推荐性价比高的DNA提取试剂盒,提取分选后的细胞,细胞量不大。

动物体内RNA转染试剂,核酸和转染试剂混合后注射,轻松进行RNA干扰,基因敲除、沉默实验,3天可得出结果。下面以50μg的核酸与25μl转染试剂,总注射体积200μl,20g小鼠尾静脉注射为例说明。局部注射不用稀释,直接根据需要把核酸和转染试剂混合即可使用。

1.核酸的稀释。将50μg核酸用适量无内毒素纯水稀释成1μg/μl,加入10%葡萄糖溶液(w/v)50μl,使葡萄糖终浓度为5%,终体积为100μl,充分混匀。

2.转染试剂的稀释。取25μl的Entranster-invivo试剂用50μl的10%葡萄糖溶液稀释,并用纯水25μl补足,得到葡萄糖终浓度为5%,终体积为100μl液体,充分混匀。

3.转染复合物形成。立即将稀释后的转染试剂加入到稀释后的核酸溶液中,立即充分振荡混匀。

4.室温静置15分钟。配制好的转染复合物请即配即用,不宜长期存放。

5.动物注射。

说明:1).尾静脉注射时请掌握注射技巧,一般选用远端1/3处静脉注射,如感觉到阻力和轻微隆起,请停止注射,重新寻找静脉进行操作,不要强力推注,否则容易将药液注射在尾部,导致尾部溃烂。注射完成后移去针头,按压针孔10秒以上,防止药液流出。2).2.5mg/kg的给药剂量是起始给药剂量,如果动物可以耐受,可以按比例增加剂量,这样效果更好。3).局部注射,尽可能多注射药液,有利于提高转染效果。

6.基因表达检测。一般来说,根据注射方法和靶器官的差异,12-48小时后基因表达效果较好。

7.长期给药。一次给药检测的最佳时间是注射后12-48小时。如果需要维持长期效果,可以采用多次注射的方法,注射频度一般为每间隔2-3天一次,也可以根据实验情况适当延长至每7天一次。


哪个正规生物公司DNA提取试剂好用,纯,效果好

RNA干扰(RNA interference, RNAi)是指在进化过程中高度保守的、由双链RNA(double-stranded RNA,dsRNA)诱发的、同源mRNA高效特异性降解的现象。基因沉默,主要有转录前水平的基因沉默(TGS)和转录后水平的基因沉默(PTGS)两类:TGS是指由于DNA修饰或染色体异染色质化等原因使基因不能正常转录;PTGS是启动了细胞质内靶mRNA序列特异性的降解机制。有时转基因会同时导致TGS和PTGS。由于使用RNAi技术可以特异性剔除或关闭特定基因的表达,(长度超过三十的dsRNA会引起干扰素毒性)所以该技术已被广泛用于探索基因功能和传染性疾病及恶性肿瘤的治疗领域。
CTAB法提取DNA中各试剂的用途
buffer P1:除去RNA
buffer P2:裂解细胞
buffer P3:沉淀DNA
buffer WA、buffer WB:都是洗涤液(这两个之间有什么区别我也不清楚)
TE:溶解DNA.
想获得高纯度的组织基因组DNA用于做定量PCR。先将小鼠脚趾放入组织裂解液(10mMTris-Hcl(pH7.5),100mMNaCl,10mMEDTA,and0.5%SDSwith0.4mg/mlproteinaseK)56°过夜,买了生工的:氯仿:异戊醇(25:24:1)溶液PH8.0,接下来该怎么做呀?感谢各位老师帮忙
我在提一种植物的RNA用的是上海华舜生物公司的TRIZOL按照他上面的说明书,我应该用System4那种方法,可是里面要用到RNA沉淀试剂,不知道是什么东西,试剂盒只有一瓶,是RNAexReagent。其它的就没有了。不知道那东西是什么,要自己配吗?RNA沉淀试剂是什么东西?
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