GENE SCIENCE Quickprepare Spiral Inoculator
| Brand | GENE SCIENCE |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | Quickprepare |
| Price Range | USD 14,000 – 28,000 |
Overview
The GENE SCIENCE Quickprepare Spiral Inoculator is a precision-engineered, microprocessor-controlled automated spiral plater designed for quantitative microbial enumeration in compliance with internationally recognized standard methods—including FDA-BAM, AOAC Official Methods of Analysis®, and AFNOR NF U 44-300. It implements the spiral plating principle based on controlled volumetric deposition along an Archimedean spiral trajectory across rotating agar plates. Unlike conventional pour plate or spread plate techniques, the Quickprepare delivers reproducible, gradient-free inoculation by combining synchronized radial needle motion (driven by a stepper motor), precise syringe-based fluid delivery (500 µL capacity), and programmable plate rotation. This enables continuous logarithmic or linear dilution directly on a single agar surface—eliminating manual serial dilutions, reducing consumables, and minimizing operator variability. The system is optimized for colony-forming unit (CFU) quantification across a broad dynamic range: 30–4 × 10⁵ CFU/mL on 90 mm plates and 30–4 × 10⁶ CFU/mL on 150 mm plates, with theoretical detection limits as low as 2.5 CFU/mL under linear 400 µL mode.
Key Features
- Fully automated operation: One-touch initiation covers sample aspiration, spiral inoculation, disinfectant aspiration, and dual sterile water wash cycles—no manual intervention required.
- Dual dispensing modes: Selectable logarithmic or linear spiral patterns with configurable volumes (10–400 µL) to match sample concentration and regulatory requirements.
- Teflon-coated inoculation needle: Chemically inert, non-retentive, and self-balancing—ensures consistent contact pressure across variable agar thicknesses without scratching or deformation.
- Intelligent vacuum-assisted aspiration: Dual-mode sampling—valve-controlled vacuum suction (for volumes >1.5 mL or low-viscosity samples) and precision syringe-driven aspiration (75/140/400 µL presets for viscous or limited-volume samples).
- Integrated safety & maintenance systems: Built-in liquid-level sensor prevents overflow; chemical-resistant reservoirs; reverse-flush capability for needle unclogging; auto-cleaning protocol triggered after 2 minutes of idle aspiration.
- Ergonomic human-machine interface: Color-coded waterproof touch keys with ISO-standard icons; high-brightness LED display showing real-time vacuum pressure (0 to −20 cmHg); intuitive navigation without language dependency.
- Modular platform design: Adjustable petri dish stage accommodates both 90 mm and 150 mm plates; optional adapters available for non-standard containers.
Sample Compatibility & Compliance
The Quickprepare supports direct sampling from standard test tubes, bottles, filtration units, and membrane filters—enabling seamless integration into existing microbiological workflows. Its validated performance meets critical regulatory expectations for method equivalence under ISO 7218:2017 (Microbiology of food and animal feeding stuffs), USP and , and EU Pharmacopoeia 2.6.12. The logarithmic spiral mode achieves up to 10⁴-fold dilution on 150 mm plates—making it suitable for raw material screening, environmental monitoring, and culture media quality control where trace-level detection and morphological assessment are essential. All internal wetted components comply with USP Class VI biocompatibility standards, and the instrument’s architecture supports audit-ready documentation when paired with compliant laboratory information management systems (LIMS).
Software & Data Management
While the Quickprepare operates as a standalone benchtop instrument with embedded firmware, its operational parameters—including selected mode, volume, plate size, and cycle timestamp—are logged internally with non-volatile memory retention. Optional RS-232 or USB connectivity enables export of run logs for GLP/GMP traceability. Firmware includes built-in calibration and diagnostic routines (e.g., syringe volume verification, vacuum integrity test, needle position homing), supporting routine IQ/OQ validation per FDA 21 CFR Part 11 guidelines when deployed in regulated environments. No proprietary software installation is required for basic operation; however, CSV-formatted output facilitates integration with third-party data analysis platforms used in QC laboratories.
Applications
- Regulatory microbiological testing in food, pharmaceutical, and cosmetic manufacturing facilities—particularly for total aerobic count, yeast/mold enumeration, and indicator organism detection.
- Media performance qualification (MPQ) and lot-release testing by culture medium suppliers—leveraging uniform surface inoculation for colony isolation and morphology evaluation.
- Environmental monitoring programs requiring rapid turnaround of surface swab or air sampler eluates.
- Research laboratories conducting antibiotic susceptibility assays, biofilm studies, or strain stability assessments where consistent colony distribution is critical.
- Reference laboratories performing method validation and inter-laboratory comparison studies aligned with ISO/IEC 17025 accreditation criteria.
FAQ
What regulatory standards does the Quickprepare comply with?
It is validated for use in accordance with FDA-BAM Chapter 3, AOAC 977.27, and AFNOR NF U 44-300 for spiral plating methodology.
Can the instrument handle viscous or particulate-containing samples?
Yes—via syringe-mode aspiration with selectable volumes (75/140/400 µL) and Teflon needle design that minimizes clogging; reverse-flush functionality further enhances reliability.
Is the vacuum pump integrated or external?
The vacuum pump is externally mounted for serviceability and noise reduction, connected via standardized pneumatic tubing.
How is calibration verified?
Built-in self-test routines include syringe volume accuracy checks, vacuum pressure linearity validation, and needle positioning repeatability assessment—all accessible via service menu.
Does the system support electronic record retention for FDA 21 CFR Part 11 compliance?
Raw event logs are stored onboard and exportable; full Part 11 compliance requires integration with a validated LIMS or ELN that provides electronic signatures, audit trails, and role-based access control.
