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TribioScience  |  SKU: 325-150

Hybrid-R miRNA (miRNA isolation)

$300.00
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TribioScience

Hybrid-R miRNA (miRNA isolation)

$300.00

Description

In recent years, interest in small RNA, such as siRNA and miRNA which are related to research on gene regulation, has expanded. There are many commercial kits for total RNA preparation, but most of these are focused on the preparation of large RNA longer than 200 nucleotides. Because both siRNA and miRNA are between 15 ~ 30 nucleotides in length, the need for a specially optimized kit for small RNA (<200 nucleotides) is growing rapidly. Hybrid-R™ miRNA is designed for purification of large and small RNA separately from culture cells or animal tissues and co-purification in a single tube is also available by modified protocol. This kit utilizes the lysis method of RiboEx™ which has a powerful ability of lysis and the purification method based on glass fiber membrane technology. Samples are homogenized in RiboEx™, a monophasic solution containing phenol and guanidium salt, which rapidly lyse cells and inactivates nucleases. The addition of chloroform brings about a separation of the lysate into aqueous and organic phases. Total RNA is located in the aqueous phase while DNA and protein remain in the interphase and organic phase. Large and small RNA in the aqueous phase is selectively bound to column type B and type W respectively. Column type B selectively adsorbs the RNA larger than 200 nucleotides in length, while column type W specifically holds the RNA smaller than 200 nucleotides in length. To purify large RNA, the aqueous phase is mixed with ethanol, and the mixture is applied to a column type B. After centrifugation, large RNA is bound to the membrane and the mixture containing small RNA goes into a collection tube through the membrane. The membrane is washed away by two wash buffers (SW1 and RNW) and purified large RNA is eluted from the membrane by RNase-free water. To purify small RNA, the pass-through comes from the binding of large RNA and is mixed with ethanol and then applied to a column type W. After washing with buffer RBW and RNW, small RNA is eluted by RNase-free water. The procedure of Hybrid-R™ miRNA takes only 30 minutes for complete preparations of pure RNA. The purified RNA is suitable for the isolation of Poly A+ RNA, northern blotting, dot blotting, in vitro translation, cloning, RT-PCR, RPA, and other analytical procedures.

Kit Sizes

325-150: 50 Samples

Applications

Purification of small RNA from culture cells or animal tissues and co-purification in a single tube is also available by modified protocol.

Key Features

  • Preparation time: ~30 minutes.
  • Stable and consistent yield.
  • High purity and yield.
  • Perfect separation of small RNA fragments.
  • Sample size: Up to 50 mg tissue or up to 1 x 107 cultured cells.
  • Recovery range: Large RNA : >200 nucleotides; Small RNA: <200 nucleotides.
  • Instant use: No need for additional materials.
  • No ethanol precipitation.
  • No Genomic DNA contamination.
  • Ready for use in northern blotting, dot blotting, in vitro translation, cloning, RT-PCR, RPA, and other analytical procedures.

Storage Conditions

Hybrid-R™ miRNA kit except RiboEx™ solution should be stored at room temperature. RiboEx™ solution should be stored at 4℃ for optimal performance. All components are stable for 1 year.

Size

  • 50 Samples
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