Hanuo JJ-2B Visual Tissue Homogenizer

Overview

The Hanuo JJ-2B Visual Tissue Homogenizer is a benchtop mechanical homogenization system engineered for rapid, reproducible disruption of soft biological tissues, cultured cells, plant materials, and suspension-based samples in life science, pharmaceutical, and food research laboratories. It operates on the principle of high-shear rotor-stator homogenization: a precisely balanced stainless steel blade assembly rotates at controlled speeds within a transparent borosilicate glass cup, generating intense hydrodynamic forces—including cavitation, turbulent shear, and impact—to achieve uniform particle size reduction and cellular lysis. Unlike ultrasonic or bead-beating methods, this device delivers consistent mechanical energy input without introducing exogenous contamination or thermal artifacts, making it particularly suitable for downstream applications requiring intact biomolecules (e.g., RNA extraction, enzyme activity assays, or protein solubilization). Its open-cup configuration enables real-time visual monitoring of homogenization progress—critical for optimizing protocol parameters and avoiding over-processing.

Key Features

• Optically transparent borosilicate glass homogenizing cup (1000 mL capacity) for direct observation of sample consistency, foam formation, and homogenization endpoint.
• Robust 304 stainless steel housing with corrosion-resistant surface finish, designed for long-term stability under routine laboratory use and compatible with common disinfectants and cleaning agents.
• Infinitely variable speed control (0–12,000 rpm) via analog dial interface, enabling precise adaptation to diverse sample viscosities and structural integrity requirements—from delicate embryonic tissue to fibrous plant roots.
• Quick-release coupling mechanism between motor shaft and stainless steel blade shaft ensures tool-free disassembly for thorough cleaning and validation; blade geometry optimized for axial flow and minimal vortexing.
• Compact footprint (48 × 24 × 24 cm) and low power consumption (200 W) support integration into biosafety cabinets, cold rooms, or shared instrumentation suites without electrical load concerns.

Sample Compatibility & Compliance

The JJ-2B accommodates a broad range of sample types including mammalian organ tissues (liver, spleen, brain), cell pellets (adherent and suspension), bacterial cultures, yeast suspensions, leaf homogenates, and soft food matrices (e.g., fruits, dairy emulsions). It is not intended for hard, mineralized, or highly abrasive samples. All wetted components comply with USP Class VI biocompatibility standards for glass and 304 stainless steel. The unit meets IEC 61010-1 safety requirements for laboratory electrical equipment and is CE-marked for operation in EU-regulated environments. While not inherently compliant with 21 CFR Part 11, its manual operation and lack of embedded data logging make it suitable for GLP-aligned workflows where operator documentation and procedural traceability are maintained externally.

Software & Data Management

The JJ-2B is a standalone analog instrument with no integrated software, firmware, or digital connectivity. Speed settings are manually selected and maintained via mechanical potentiometer feedback; no calibration certificates or electronic audit trails are generated. This architecture eliminates cybersecurity vulnerabilities and reduces validation burden in regulated QC/QA environments where simplicity, reliability, and user-controlled repeatability are prioritized over automated data capture. Users are advised to record operational parameters (speed, duration, sample mass/volume, ambient temperature) in laboratory notebooks or LIMS-compatible spreadsheets per internal SOPs.

Applications

• Pre-analytical sample preparation for nucleic acid isolation (DNA/RNA), especially when minimizing shearing is critical for long-read sequencing library construction.
• Routine homogenization of tissue biopsies prior to ELISA, Western blot, or enzymatic activity assays where protein conformational integrity must be preserved.
• Dispersion of insoluble drug candidates in preformulation studies for dissolution testing and bioavailability assessment.
• Standardized comminution of food-grade botanicals and functional ingredients for sensory evaluation or extract yield optimization.
• Teaching laboratories demonstrating fundamental principles of mechanical energy transfer in biological matrix disruption.

FAQ

Is the glass homogenizing cup autoclavable?
Yes—the borosilicate glass cup and stainless steel blade assembly are autoclavable at 121 °C for 20 minutes. Verify full drying before reassembly to prevent thermal shock during operation.
Can the JJ-2B be used with ice-cooled samples?
Yes. The open-cup design allows placement of the glass vessel in an ice-water bath during operation to maintain sample temperature below 4 °C, essential for thermolabile analytes.
What maintenance is required for long-term performance?
Routine cleaning with 70% ethanol or mild alkaline detergent after each use; periodic inspection of blade sharpness and coupling alignment every 200 operating hours.
Does this model support external timer integration?
No. Timing must be managed manually using a stopwatch or external programmable timer; no auxiliary control ports or relay outputs are provided.
Is technical support available outside China?
Hanuo provides English-language technical documentation and application notes. International end-users should coordinate service requests through authorized regional distributors listed on the official Hanuo website.