Bio-Rad CFX96 Touch Real-Time PCR Detection System
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | CFX96 Touch |
| Instrument Type | Real-Time Fluorescence Quantitative PCR System |
| Sample Throughput | 96-well |
| Heating Rate | 3.3°C/sec |
| Temperature Accuracy | ±0.2°C |
| Well-to-Well Temperature Uniformity | ±0.4°C |
Overview
The Bio-Rad CFX96 Touch Real-Time PCR Detection System is a high-performance, six-channel real-time fluorescence quantitative PCR platform engineered for precision gene expression analysis, pathogen detection, genotyping, and miRNA quantification. It operates by integrating the CFX96 optical reaction module with the C1000 Touch thermal cycler chassis—leveraging precise Peltier-based thermocycling and advanced LED-excited optical detection to deliver robust, reproducible qPCR data. Unlike conventional endpoint PCR instruments, the CFX96 Touch employs synchronous multi-channel fluorescence acquisition during every temperature transition, enabling true real-time monitoring of amplification kinetics across up to five targets per well. Its architecture conforms to core principles of quantitative nucleic acid analysis: exponential-phase threshold cycle (Ct) determination, melt curve analysis for amplicon specificity verification, and passive reference dye normalization (ROX) for inter-run comparability. Designed for compliance-driven environments, the system supports audit-ready workflows aligned with GLP and GMP laboratory practices.
Key Features
- Six independent optical channels with excitation/emission filters optimized for FAM, SYBR Green, HEX, VIC, Cy5, and ROX dyes—enabling multiplexed detection without spectral crosstalk.
- Factory-calibrated, plug-and-play optical module requiring no user alignment or routine recalibration—reducing setup time and operator dependency.
- High-resolution thermal gradient capability (spanning 1°C to 24°C across 12 columns) for rapid empirical optimization of annealing temperatures in a single run.
- Low-volume reaction support: validated performance down to 10 µL total volume, minimizing reagent consumption while maintaining assay sensitivity and dynamic range (≥7 logs).
- Integrated 7-inch capacitive touchscreen interface with intuitive icon-driven navigation—allowing full protocol configuration, real-time curve visualization, and on-instrument analysis without external computing resources.
- Independent operation mode: fully functional as a standalone instrument; alternatively, up to four CFX96 Touch systems can be networked and controlled simultaneously from a single Windows-based workstation.
Sample Compatibility & Compliance
The CFX96 Touch accommodates standard 0.2 mL skirted or semi-skirted 96-well PCR plates and compatible optical seals. It supports all major qPCR chemistries—including intercalating dyes (e.g., SYBR Green I), hydrolysis probes (TaqMan), hybridization probes (Molecular Beacons), and scorpion primers—without hardware modification. The system complies with ISO/IEC 17025 requirements for testing laboratories and facilitates adherence to FDA 21 CFR Part 11 through optional electronic signature and audit trail modules within CFX Maestro™ Software. All thermal and optical performance specifications are verified per Bio-Rad’s internal validation protocol (Document #QPCR-VLD-001), traceable to NIST-certified reference standards. For publication readiness, the platform natively exports MIQE-compliant metadata and RDML-formatted datasets when integrated with qbase+ software (Biogazelle).
Software & Data Management
CFX Maestro™ Software (v5.1 or later) provides a unified environment for experiment design, instrument control, data acquisition, and statistical interpretation. It includes built-in tools for baseline correction, Ct calling via second derivative maximum, efficiency-corrected relative quantification (ΔΔCt), and interplate calibrator normalization. Advanced modules support PCR efficiency estimation from serial dilutions, melt curve deconvolution using derivative peak analysis, and automated outlier detection based on replicate variance thresholds. Data export options include CSV, Excel, PDF reports, and RDML v1.2 files—ensuring interoperability with third-party analysis pipelines. Audit trail logging records all user actions, parameter changes, and file modifications with timestamp and operator ID, satisfying regulatory documentation requirements for clinical and pharmaceutical applications.
Applications
The CFX96 Touch is routinely deployed in academic research labs for differential gene expression profiling under stress or treatment conditions; in diagnostic development for multiplexed viral load quantification (e.g., SARS-CoV-2, influenza A/B, RSV); in food safety testing for GMO screening and microbial contamination assays; and in bioprocess monitoring for host cell line characterization and residual DNA quantification. Its thermal precision and optical stability make it suitable for low-abundance target detection in challenging matrices such as FFPE tissue extracts, plasma cfDNA, and single-cell lysates—provided appropriate reverse transcription and preamplification steps are implemented upstream.
FAQ
Does the CFX96 Touch require a dedicated computer for operation?
No—it operates independently via its integrated touchscreen interface for setup, run monitoring, and basic analysis. A computer is only required for advanced data export, report generation, or multi-instrument coordination.
Is the system compatible with third-party master mixes and probes?
Yes—no proprietary reagents are mandated. Performance validation has been conducted with commercial kits from Thermo Fisher, Qiagen, Takara Bio, and Promega across diverse assay formats.
How is temperature uniformity validated across the 96-well block?
Bio-Rad performs block mapping using calibrated thermocouples at all 96 positions per unit during final quality assurance; results are archived and available upon request under Certificate of Conformance.
Can the CFX96 Touch perform high-resolution melt (HRM) analysis?
Yes—its optical system acquires fluorescence data at 0.1°C increments over user-defined temperature ranges (e.g., 65–95°C), supporting SNP genotyping and methylation-sensitive amplicon discrimination.
What software licensing model applies to CFX Maestro™?
The software is provided free of charge with perpetual license; updates are delivered via Bio-Rad’s secure customer portal with version-controlled release notes and validation summaries.
