Sample Preparation
IndustriesOther
ManufacturerWatrex Prague
Significance of the topic
The brochure presents two compact benchtop laboratory automation platforms designed to streamline nucleic acid isolation, liquid handling and sample purification workflows. Automated solutions of this type are important in modern molecular biology, diagnostics, environmental and chemical laboratories because they increase throughput, reduce hands-on time and variability, and enable reproducible sample processing that supports downstream applications such as NGS, Sanger sequencing, PCR and SPE-based purification.
Objectives and overview
The material describes two complementary instruments from the same product family: xTrovert XT, focused on automated DNA/RNA isolation and paramagnetic bead workflows; and xTrovert FLEX, a modular multichannel liquid‑handling and pressure‑based purification workstation. The objective is to provide compact, affordable automation for laboratories of varying sizes with open programmability and compatibility with common lab consumables.
Methodology and principal design features
Key design principles and workflow elements described in the brochure include:
- Dual pipetting-head architecture (xTrovert XT) enabling simultaneous processing of up to two 96‑well plates and unattended extraction of 1–32 samples per run.
- Integrated magnetic-bead handling, including a patent‑pending approach that manipulates paramagnetic beads directly in pipette tips to minimize sample loss and simplify bead transfers.
- Positive pressure‑based solid phase extraction (SPE) for uniform flow and reproducible filtration outcomes (xTrovert FLEX).
- Thermal incubation capability (25–85 °C on XT) to support lysis, binding and elution steps within extraction protocols.
- On‑deck sterilization (UV‑C or UV LED options), internal illumination and optical calibration for broad consumable compatibility.
- Open, programmable architecture with a simple scripting language and support for custom protocols and USB or network‑based workflow transfer and remote monitoring.
Used instrumentation
Summaries of the two devices and their notable specifications:
- xTrovert XT — Automated DNA/RNA isolation workstation
- Capacity: 16 or 32 samples per run (configurable).
- Pipetting volume range: approximately 10–600 µL; interchangeable 300 µL and 1000 µL tips supported.
- Thermal range: 25–85 °C for on‑board incubations.
- Magnetic bead handling: two magnetic arms and patented bead handling in tips.
- Sterilization: integrated UV‑C; integrated LED illumination for deck visibility.
- User interface and connectivity: 3.5" TFT touch display, USB connectivity; open scripting for custom methods.
- Form factor: compact benchtop (approx. 59 × 65 × 50 cm), ~20 kg, 24 V adapter power.
- xTrovert FLEX — Modular multichannel liquid handling and purification workstation
- Capacity and throughput: handles standard 96‑well plates; can process parallel plates (up to 4 × 96‑well plates in some workflows) for high throughput ≈384 samples when protocols allow.
- Features: multichannel pipettor, plate gripper, integrated dispenser, ability to work with up to eight stock reagents, and positive‑pressure SPE filtration.
- Optional add‑ons: homogenization/pulverization, heating/incubation, UV LED sterilization.
- User interface and connectivity: 18.5" touchscreen (Raspberry Pi based on demo), USB and Wi‑Fi connectivity enabling remote access and monitoring.
- Form factor: benchtop (approx. 70 × 65 × 55 cm), ~30 kg, 100–240 V power range.
Key results and discussion
Although the brochure is a product summary rather than a formal validation study, several practical performance claims and expected outcomes are emphasized:
- High pipetting accuracy and reproducibility due to independent piston control and calibrated optics.
- Improved magnetic bead recovery and simplified bead workflows via tip‑integrated magnetic technology on the XT, which reduces manual bead transfers and potential sample loss.
- Consistent SPE results on FLEX enabled by controlled positive pressure, which helps achieve uniform flow across multiple columns or wells.
- Flexibility to run custom scripts and adapt protocols to diverse sample types and downstream applications (NGS library preparation, PCR cleanup, oligonucleotide purification, environmental analyses, diagnostics).
Practical considerations noted implicitly by the brochure include the need for method validation in each laboratory, confirmation of consumable compatibility despite optical calibration, and assessment of throughput versus instrument footprint and cost when choosing between the two models.
Benefits and practical applications
Primary advantages of the platforms as presented:
- Reduced hands‑on time and operator dependence for repetitive extraction and purification tasks.
- Compact footprint suitable for constrained bench space while enabling scalable throughput for small to medium laboratories.
- Open, programmable system architecture that supports method customization and integration into diverse workflows.
- Targeted application areas: nucleic acid extractions (DNA/RNA), NGS and Sanger sample prep, PCR cleanup/desalting, oligonucleotide purification, environmental testing, and clinical diagnostics.
Future trends and potential applications
Likely directions and opportunities to extend utility of such benchtop automation include:
- Tighter integration with laboratory information management systems (LIMS) and sample tracking to support regulatory and clinical workflows.
- Enhanced on‑deck QC (e.g., automated nucleic acid quantification or contamination checks) to produce more self‑contained sample‑to‑data workflows.
- Increased modularity and plug‑and‑play consumable standards to reduce validation effort and expand third‑party accessory compatibility.
- Application of machine learning to optimize pipetting, bead handling and pressure profiles for different matrices, improving yield and reducing failed runs.
- Adaptation to single‑cell, low‑input and high‑throughput sequencing library preparatory workflows as demand grows in genomics and diagnostics.
Conclusion
The xTrovert XT and FLEX platforms aim to deliver practical, bench‑scale automation for nucleic acid extraction, SPE purification and routine liquid‑handling tasks. Their distinguishing characteristics are compact form factor, open programmability, specialized bead and pressure‑based handling approaches, and modular expandability. These features make them suitable for laboratories seeking to increase reproducibility and throughput without investing in large, complex automation systems. As with any automation procurement, laboratories should perform task‑specific validation and confirm consumable and protocol compatibility prior to routine deployment.
Content was automatically generated from an orignal PDF document using AI and may contain inaccuracies.