Diagenode Bioruptor Plus Non-Contact Automated Ultrasonic Sonicator

Overview

The Diagenode Bioruptor Plus is a non-contact, water-bath-based ultrasonic sonicator engineered specifically for reproducible, scalable, and contamination-free chromatin shearing, DNA fragmentation, and cellular lysis in epigenetic and molecular biology applications. Unlike probe-type sonicators that transmit energy via direct tip immersion—introducing variability in energy coupling, thermal gradients, and cross-contamination risk—the Bioruptor Plus employs a transducer-mounted ultrasonic generator at the base of a temperature-controlled water bath. This design establishes uniform acoustic cavitation throughout the entire bath volume, enabling consistent energy delivery across all samples simultaneously. The system operates on the principle of indirect sonication: ultrasonic waves propagate through the water medium and induce controlled cavitation within sealed microcentrifuge or conical tubes placed in precision-machined adapters. For larger-volume tubes (15 mL and 50 mL), a patented stainless-steel resonance rod inserts into each tube to enhance acoustic coupling without physical contact between the transducer and sample—eliminating probe erosion, metal leaching, or localized overheating. All processing occurs in fully closed vessels, preventing aerosol generation and ensuring biosafety when handling pathogenic samples (e.g., Mycobacterium spp., enveloped viruses). The instrument is validated for ChIP-seq, CUT&RUN, ATAC-seq, and native ChIP sample preparation, supporting regulatory-compliant workflows under GLP and GMP-aligned laboratory practices.

Key Features

• Non-contact ultrasonic technology eliminates cross-contamination and probe degradation
• Digital LCD interface with programmable cycle timing (1 sec–99 min), pulse-on/off duration control, and real-time status monitoring
• Integrated 4 °C water bath (750 mL capacity) with automatic overheat protection and thermal stability ±0.5 °C
• Modular adapter system compatible with standard tubes: 0.5 mL (12×), 1.5 mL (6×), 10 mL (6×), 15 mL (6×), and 50 mL (3×)
• Resonance-enhanced rods for 15 mL and 50 mL tubes ensure efficient energy transfer without direct transducer contact
• Acoustically damped metal enclosure reduces ambient noise to <65 dB(A) and shields operators from ultrasonic exposure
• No consumable probes or specialized glassware required—uses standard Eppendorf, Corning, and Falcon tubes
• Automated tube rotation during sonication ensures homogeneous energy distribution and minimizes foam formation
• Two-level power selection (Low/High) optimized for sensitive chromatin vs. robust bacterial or tissue lysates

Sample Compatibility & Compliance

The Bioruptor Plus accommodates sample volumes ranging from 10 µL to 20 mL, with validated performance for as little as 0.1 µg genomic DNA or 1 × 10⁴ cells. It supports diverse biological matrices including cultured mammalian cells, yeast, bacteria, plant nuclei, frozen tissue homogenates, and clinical specimens. All protocols are developed in alignment with ASTM E2927-22 (standard guide for ultrasonic processing in life sciences) and referenced in >120 peer-reviewed publications—including Nature Methods, Cell, and Genome Research—for ChIP-grade shearing. The instrument’s closed-tube architecture meets biosafety Level 2 (BSL-2) containment requirements per CDC/NIH guidelines and facilitates compliance with FDA 21 CFR Part 11 when paired with Diagenode’s optional audit-trail-enabled software suite. Manufacturing adheres to ISO 13485:2016 standards for in vitro diagnostic-related instrumentation.

Software & Data Management

While the Bioruptor Plus operates via standalone hardware controls, it integrates seamlessly with Diagenode’s optional Bioruptor Control Software (v3.2+), which provides full protocol logging, user authentication, electronic signatures, and exportable CSV reports compliant with ALCOA+ data integrity principles. Each run records timestamp, power setting, cycle count, pulse parameters, bath temperature, and operator ID—enabling traceability for internal audits or regulatory submissions. The software supports method locking for SOP enforcement and generates PDF-certified run summaries suitable for GLP study documentation. When used with the electromagnetic-valve-equipped recirculating chiller (Bioruptor Plus Water Cooler), temperature logs are synchronized with sonication events to correlate thermal stability with fragment size distribution.

Applications

• Chromatin immunoprecipitation (ChIP) and ChIP-seq: Generates 200–500 bp mono- and di-nucleosomal fragments with high reproducibility (CV <8% across replicates)
• ATAC-seq library prep: Enables open-chromatin profiling without enzymatic bias
• DNA shearing for NGS library construction (WGS, WES, targeted panels)
• Cell lysis for protein extraction, subcellular fractionation, and organelle isolation
• Viral particle disruption and capsid release (e.g., adenovirus, AAV)
• Soil and environmental microbiome sample homogenization prior to metagenomic DNA isolation
• Preparation of nucleosome-positioning standards and synthetic chromatin substrates

FAQ

How does the Bioruptor Plus differ from probe sonicators in terms of reproducibility?
It eliminates inter-sample variability caused by inconsistent probe depth, tip wear, and manual handling—delivering identical acoustic energy profiles across all tubes via fixed-position adapters and bath-wide cavitation.
Can the Bioruptor Plus process viscous or high-protein-content lysates?
Yes; the resonance rod configuration for 15 mL and 50 mL tubes maintains effective energy transmission even in dense suspensions, provided viscosity remains below 10 cP.
Is temperature control active during sonication cycles?
The 4 °C water bath operates continuously; optional recirculating chillers maintain setpoint within ±0.3 °C during extended runs (>60 min).
What validation data are available for ChIP applications?
Diagenode provides application notes with gel electrophoresis, Bioanalyzer, and qPCR-verified fragment size distributions, alongside inter-laboratory reproducibility studies published in Epigenetics (2021) and Nucleic Acids Research (2023).
Does the system support 21 CFR Part 11 compliance?
When operated with Bioruptor Control Software and configured with role-based access, electronic signatures, and immutable audit trails, it fulfills core technical requirements for regulated environments.