biotechrabbit™ CAPITAL™ 1-Step qRT-PCR Probe Master Mix Plus is a ready-to-use, four-times-concentrated formulation that includes an adjusted concentration of heat-labile Uracil-DNA Glycosylase (HL-UDG), minimizing the risk of carryover contamination.
The master mix is optimized for one-step real-time RT-PCR quantification of RNA templates, including mRNA, total RNA and viral RNA from a wide range of targets. The mix ensures high specificity and sensitivity in single and multiplex amplification, making it the best choice for extremely low-copy-number targets in pathogen detection.
4X CAPITAL™ qPCR Probe Master Mix Plus uses a proprietary enzyme and buffer formulation for efficient cDNA synthesis and qPCR in a single tube.
|
Component |
Composition |
|
CAPITAL™ 1-Step qRT-PCR Probe Master Mix Plus |
4X concentrated formulation of a CAPITAL™ 1-Step qRT-PCR Probe Master Mix Plus |
|
RTase with RNase Inhibitor |
Proprietary 20× Reverse Transcriptase in a mix with efficient Ribonuclease Inhibitor |
|
Storage |
Store at −20 °C until expiry date. |
Handling
Prevention of contamination
RNase contamination is a concern when handling RNA. To minimize the risk of contamination and prevent RNA degradation, follow the guidelines below:
- Wear disposable gloves when handling the solutions.
- Dedicate separate sterile areas for the preparation of samples and reaction mixtures.
- Use molecular-grade nuclease-free water and reagents.
- Include a non-template control reaction in every PCR assay.
Basic Protocol
- Calculate the required volume for the desired number of reactions and include one additional reaction.
- Use high-quality PCR plates and seals designed for fluorescence applications.
- Reserve plate positions for positive controls (control RNA) and negative controls (water or buffer).
- For better correlation, run the reactions in triplicate.
|
Component |
Volume |
Final concentration |
|
CAPITAL™ 1-Step qRT-PCR Probe Master Mix Plus, 4× |
5 µl |
1× |
|
Primer Mix (Reverse and Forward) |
Variable |
100–400 nM |
|
Specific Probe |
Variable |
200 nM |
|
Template RNA |
Variable |
0.01 pg–1 µg |
|
Use 1 pg–1 µg total RNA or more than 0.01 pg mRNA. |
||
|
RTase with RNase Inhibitor, 20× |
1 µl |
1× |
|
Nuclease-free water |
Variable |
|
|
Total volume |
20 µl |
|
- Mix and centrifuge briefly to collect the liquid at the bottom of the tube.
- Place the reaction into the PCR cycler.
Cycling program
|
Step |
Temperature |
Time |
Cycles |
|
Reverse Transcription |
50 °C |
10 min |
1 |
|
Initial activation |
95 °C |
3 min |
1 |
|
Denaturation |
95 °C |
30 s |
40–45 |
|
Annealing/Extension* |
60–68 °C* |
30 s |
*The recommended annealing/extension temperature is primer Tm +2 °C. Use gradient PCR to optimize the annealing temperature. Do not use annealing temperatures below 60 °C.
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