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Real-time PCR

RealMOD™ Green T² 2X qRT-PCR mix

Cat.No Capacity Inquire
25365.100 100 rxns Inquire
25365.300 300 rxns Inquire
PRODUCT INFORMATION
Description

Comprehensive one-step qRT-PCR premix for ultra-sensitive RNA quantification with integrated contamination control.

  • • Combines reverse transcription and qPCR in a single-tube reaction for streamlined workflow
  • • Includes 5X gDNA Eraser for rapid genomic DNA removal within 2 minutes
  • • Built-in dUTP/UDG system ensures 99.99% prevention of carryover contamination
  • • Pre-mixed Universal ROX enables compatibility with all qPCR instruments
  • • Blue tracking dye allows visual confirmation of pipetting accuracy
  • • Dual-lock enzyme system ensures high specificity and reproducibility

RealMOD™ Green T² 2X qRT-PCR mix is a comprehensive premix designed for ultra-sensitive one-step RNA quantification. By integrating reverse transcription and qPCR into a single reaction, it simplifies the workflow while maintaining high data reliability. The included 5X gDNA Eraser efficiently removes contaminating genomic DNA within 2 minutes without affecting RNA integrity, eliminating false-positive signals. Additionally, the dUTP/UDG system prevents carryover contamination with 99.99% efficiency, ensuring accurate and reproducible results. Universal ROX and a blue tracking dye provide instrument compatibility and visual pipetting verification.

Applications
  • 01One-step detection and quantification of cellular and viral RNA
  • 02Gene expression analysis with integrated gDNA removal
  • 03High-throughput diagnostic research requiring strict contamination control
Kit Contents
Contents Volumes
RealMOD™ Green T² 2X qRT-PCR mix 1.0 ml (1.0 ml × 1 vial, 100 rxns)
3.0 ml (1.0 ml × 3 vial, 300 rxns)
5X gDNA Eraser Included
Nuclease-Free Water Included
Technical Data

Superior Amplification Efficiency, High Sensitivity, and Broad Versatility

RealMOD™ Green T² 2X qRT-PCR mix delivers unmatched amplification efficiency, exceptional sensitivity, and reliable performance across diverse RNA templates, including both cellular and viral targets.



Performance Comparison against Competitor (GAPDH Target)


​ Experimental Assay Criteria: Amplification curves and melt peaks of the house-keeping GAPDH gene from K562 cellular total RNA.

​ Dilution Matrix Parameters: The RNA template was 10-fold serially diluted from 20 ng down to 200 pg (executed in duplicate).

​ Performance Validation: The RealMOD™ Green T² 2X qRT-PCR mix demonstrates significantly earlier Ct values, higher final fluorescence intensities, and specific single-target amplification profile compared to Supplier A.

 

 

 

Linear Dynamic Range for Viral Copy Targets (CPIV RNA)


​Verification of the broad linear dynamic range and high-sensitivity quantification matrix utilizing 10- fold serially diluted CPIV viral RNA samples (6 ng down to 6 pg) in duplicate amplification kinetics.

​Experimental Assay Criteria: Amplification curves of viral CPIV RNA targets.

​Dilution Matrix Parameters: The viral template architecture was 10-fold serially diluted from 6 ng down to 6 pg (executed in duplicate).

​Performance Validation: The evenly spaced amplification curves demonstrate excellent amplification efficiency and highly sensitive detection capability even at ultra-low RNA concentration thresholds, validating the kit's broad compatibility and performance stability with diverse, low-copy RNA types.

 


 

Exceptional Carryover Contamination Control for Absolute Accuracy

To evaluate the anti-contamination performance of the active dUTP/UDG system in the RealMOD™ Green T² 2X qRT-PCR mix.

Amplification was performed using templates completely substituted with Uracil (all-U) to simulate aerosol carryover contaminants, alongside normal Thymine (all-T) templates representing true targets.

The test was conducted across a dynamic template input range of 4 pg, 40 pg, and 400 pg. 


 

TroubleShooting Guide
Q
What factors lead to a lack of an amplification curve or delayed Ct values in one-step qRT-PCR?
A
Check for pipetting errors and verify reagent expiration. Use high-quality, intact RNA, as degraded templates or insufficient amounts will significantly delay detection. Optimize primer concentrations to 0.2–0.4 µM and confirm that the reverse transcription (RT) and initial denaturation temperatures follow the standard specifications. If inhibitors are present, dilute the RNA matrix (1:10 or 1:100). For complex secondary structures or high GC content, extend the RT reaction duration up to 15 minutes.
Q
How do I eliminate multiple melt peaks, primer-dimers, or unexpected amplification in the NTC?
A
Replace the master mix and reagent aliquots with fresh stocks to rule out contamination. Use aerosol-barrier filter tips and thoroughly decontaminate your workstation. Redesign primers to avoid self-complementarity and increase the programmed annealing temperature by 1°C to 2°C to enhance stringency. Decreasing the final primer concentration to 0.1–0.2 µM can also help suppress non-specific background signals.
Q
Why am I seeing poor amplification efficiency or low R² values on my standard curve?
A
This is often caused by inaccurate pipetting during serial dilutions. Use calibrated high-precision pipettes and mix thoroughly before each subsequent dilution step to ensure linear homogeneity. If amplification inhibition occurs at high template concentrations, discard the highest data point or further dilute the starting sample template before loading the plate.
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