Catalog numberPDC04-0100
CategoriesColumn Based
Size100 Reactions
Sample4 rxns ($31.2)
Catalog numberPDC04-0100
CategoriesColumn Based
Size100 Reactions
Sample4 rxns ($31.2)
Note: PureDireX / Purification Kits / Extraction Kit / RNA
The Total RNA Isolation Kit provides a fast, simple, and cost-effective method for the isolation of total RNA from the whole blood, mammalian cells, and bacterial cells. Detergents and chaotropic salt are used to lyse cells and inactivate RNase. The specialized high-salt buffering system allows RNA species bases to bind to the glass fiber matrix of the spin column while contaminants pass through the column. Impurities are efficiently washed away, and the pure RNA is eluted with the REL Buffer without phenol extraction or alcohol precipitation. The RNA purified with the Total RNA Isolation Kit is suitable for a variety of routine applications, including the RT-PCR, cDNA Synthesis, Northern Blotting, Differential display, Primer Extension and mRNA selection. The entire procedure can be completed within 25-40 minutes.
Up to 300 μl of whole bloodUp to 107 mammalian cells
Up to 109 bacterial cellsUp to 108 fungus cells
Contents | PDC04-0100 | PDC04-0100S (Sample) |
Buffer RL | 110 ml | 4 ml |
Buffer RA | 45 ml | 2 ml |
Buffer RO | 25 ml | 1 ml |
Buffer W1 | 45 ml | 2 ml |
Buffer W2 (Add ethanol) | 15 ml (60 ml) | 300 µl × 2 (1.5 ml × 2) |
Buffer RE | 10 ml | 1 ml |
Column DR | 100 pcs | 4 pcs |
Collection Tubes | 100 pcs | 4 pcs |
Refer to the table below to troubleshoot problems that you may encounter when purifying total RNA.
Problem | Cause | Solution |
Degraded RNA/ low integrity | RNases contaminant | Clean everything, use barrier tips, wear gloves and a lab coat, and use RNase-free enzymes, EX: RNase inhibitor. |
Low yields of RNA | Incomplete lysis and homogenization | Use the appropriate method for the lysate preparation based on the amount of the starting materials immersed in the Buffer RA to achieve the optimal lysis. |
Incorrect elution conditions | Add 50 μl of the RE Buffer to the center of each Column DR, let it stand for 2 minutes, and centrifuge at 14,000 x g for 2 minutes. | |
Inhibition of downstream enzymatic reactions | Presence of ethanol in the purified RNA | Repeat the wash step: Centrifuge at 14,000 x g again for 2 minutes to remove the residual W2 Buffer. |
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