Based on the user guide of Trizol reagent by Invitrogen.


Contents and storage
Contents Cat. No. 15596026 (100 reactions) Cat. No. 15596018 (200 reactions) Storage
TRIzolTM Reagent 100 mL 200 mL 15–30°C
Required items which is not supplied.
Item Memo
Water bath or heat block at 55–60°C
Ethanol, 75%
RNase-free water of 0.5% SDS
(Optional) RNase-free glycogen

Input sample requirements


Perform RNA isolation immediately after sample collection or quick-freeze samples immediately after collection and store at –80°C or in liquid nitrogen until RNA isolation.
Sample type Starting material per 1 mL of TRIzolTM Reagent
Tissues[1] 50 ー 100 mg of tissue
Cells grown in monolayer 1 × 10xx5 ー 1 × 10xx7 cells grown in monolayer in a 3.5–cm culture dish (10 cm2)
Cells grown in suspension 5 ー 10 × 10xx6 cells from animal, plant, or yeasty origin or 1 × 10xx7 cells of bacterial origin
[1] Fresh tissues or tissues stored in RNAlaterTM Stabilization Solution (Cat. No. AM7020).

Procedural guidelines

  • Perform all steps at room temperature (20–25°C) unless otherwise noted.
  • Use cold TRIzolTM Reagent if the starting material contains high levels of RNase, such as spleen or pancreas samples.
  • Use disposable, individually wrapped, sterile plastic ware and sterile, disposable RNase-free pipettes, pipette tips, and tubes.
  • Wear disposable gloves while handling reagents and RNA samples to prevent RNase contamination from the surface of the skin; change gloves frequently, particularly as the protocol progresses from crude extracts to more purified materials.
  • Always use proper microbiological aseptic techniques when working with RNA.
  • Use RNaseZapTM RNase Decontamination Solution ( AM9780) to remove RNase contamination from work surfaces and non-disposable items such as centrifuges and pipettes used during purification.


1 Lyse samples and separate phases
  • Lyse and homogenize samples in TRIzolTM Reagent according to your starting material.


  • Add 1 mL of TRIzolTM Reagent per 50–100 mg of tissue to the sample and homogenize using a homogenizer.

Cell grown in monolayer:

  • Remove growth media.
  • Add 0.3–0.4 mL of TRIzolTM Reagent per 1 × 105—107 cells directly to the culture dish to lyse the cells.
  • Pipet the lysate up and down several times to homogenize.

Cells grown in suspension:

  • Pellet the cells by centrifugation and discard the supernatant.
  • Add 0.75 mL of TRIzolTM Reagent per 0.25 mL of sample (5– 10 × 106 cells from animal, plant, or yeasty origin or 1 ×107 cells of bacterial origin) to the pellet.\\Note: Do not wash cells before addition of TRIzolTM Reagent to avoid mRNA degradation.
  • Pipet the lysate up and down several times to homogenize.

Note: The sample volume should not exceed 10% of the volume of TRIzolTM Reagent used for lysis.

  • interactome/trizol.1575513101.txt.gz
  • Last modified: 2019/12/05 11:31
  • by dan