catno : APTRR 001

Tri-RNA Reagent

APTRR 001 Components:100 ml / 1 bottle

At 4℃ in the brown glass bottle for routine use.

APTRR 001
100 applications
Components 100 ml

 

  • Add 1 ml of Tri-RNA Reagent to 100 mg tissue (or precipitated blood RNA viruses from up to 10 ml of blood or 106 cultured cells, or 10 cm2 of culture plate)
  • Homogenize tissue samples in Tri-RNA Reagent using a glass-Teflon or Polytron homogenizer (cultured cells can be lysed by repetitive pipetting; concentrated blood RNA viruses can be lysed by vigorous vortexing).
  •  Leave the homogenates for 5 minutes at room temperature.
  • Add 0.2 ml of chloroform (not provided) and mix vigorously.
  • Centrifuge at 12,000 rpm for 3 minutes to separate the phases, RNA is in the clear upper aqueous phase.
  • Transfer the RNA phase to a clean tube.
  • RNA is precipitated by adding 1x volume of isopropanol, vortex, leave at room temperature for 10 minutes, and then centrifuge at 12,000 rpm for 15 minutes.
  • Remove the supernatant.
  • Wash the RNA pellet with 0.5 ml ice cold 70% ethanol, centrifuge at 12,000 rpm for 1 minute, and carefully remove the supernatant.
  • A brief spin to make sure the RNA pellet is precipitated to the designated side wall of the tube and then carefully remove any residue supernatant without touching the RNA pellet.
  • Resuspend the RNA in a small volume of TE, pH8.0.

 

 

 

  • Single-step for the isolation of total RNA from tissues, cells, bacteria, plants, yeasts and biological fluids
  • The entire procedure for total RNA isolation is less than 1 hour.
  • he purified RNA can be applied in : RT-PCR, Northern hybridlation, RNase protection, Poly-A+RNA selection, Differential display, and Micro-array assay.

Tri-RNA Reagent

Tri-RNA Reagent is a reagent from the improved phenol and guanidine isothiocyanate (GSN) method for the single-step RNA isolation.During sample homogenization or lysis, Tri-RNA reagent maintains the integrity of the RNA, while disrupting cells and dissolving cell components.The composition of Tri-RNA reagent includes phenol and GSN in a mono-phase solution.A biological sample is homogenized or lysed in Tri-RNA reagent and homogenate is separated into the aqueous and organic phases by chloroform addition, vortexing, and centrifugation.RNA remains exclusively in the aqueous phase (clear upper phase), DNA in the interphase, and proteins remain in the organic phase (red color).RNA is precipitated from aqueous phase by addition of isopropanol and solubilized/concentrated.If needed, DNA and proteins can be sequentially precipitated from the interphase and organic phase with ethanol and isopropanol respectively, and solubilized/concentrated.

 

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