BIO-DL BIO-DL32 Automated Nucleic Acid Extraction System
| Brand | BIO-DL |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | BIO-DL32 |
| Pricing | Available Upon Request |
Overview
The BIO-DL BIO-DL32 Automated Nucleic Acid Extraction System is a benchtop magnetic bead-based purification platform engineered for high-throughput, reproducible isolation of genomic DNA, plasmid DNA, viral RNA, and total RNA from diverse biological matrices. It operates on the principle of solid-phase paramagnetic particle separation—where nucleic acids bind selectively to functionalized magnetic beads under controlled chaotropic salt and pH conditions, followed by sequential washing, elution, and magnetic capture steps—all executed in a fully automated, closed-tube workflow. Designed for routine use in public health laboratories, blood bank quality control units, food safety testing facilities, and environmental monitoring programs, the system delivers consistent yield and purity across sample types including whole blood, serum, saliva, swab eluates, tissue homogenates, and bacterial cultures—without manual pipetting or open-tube handling.
Key Features
- Fully automated 32-channel processing: Supports simultaneous extraction of up to 32 samples per run with independent tip disposal and liquid-level sensing to prevent cross-contamination.
- Magnetic bead handling architecture: Precision-controlled magnetic rods with programmable lift/dwell cycles ensure uniform bead aggregation and minimal loss during wash/elution steps.
- Integrated UV-C germicidal lamp (254 nm): Automatically activated between runs to decontaminate the deck surface and internal air path, reducing carryover risk in high-sensitivity applications such as pathogen detection.
- Dual-zone temperature control: Independent heating modules for lysis (up to 80 °C) and elution (up to 70 °C), with real-time monitoring and ±0.5 °C stability—critical for optimizing binding efficiency and minimizing RNase activity.
- Modular reagent rack design: Accommodates standard 96-well deep-well plates and 15/50 mL conical tubes; compatible with both proprietary Autogene series kits and third-party magnetic bead reagents meeting ISO 13485–certified manufacturing standards.
- Touchscreen HMI with preloaded protocols: Intuitive 7-inch color interface with password-protected user levels, audit trail logging, and firmware-upgradable method templates aligned with CLSI EP12-A2 validation guidelines.
Sample Compatibility & Compliance
The BIO-DL32 processes clinical, environmental, and food-derived specimens in accordance with internationally recognized nucleic acid isolation benchmarks. It supports input volumes ranging from 200 µL to 1000 µL and achieves typical recoveries of ≥90% for human genomic DNA (from 200 µL whole blood) and ≥85% for SARS-CoV-2 RNA (from nasopharyngeal swab transport media). The system meets essential requirements for diagnostic use under China’s NMPA Class II medical device regulations and aligns with ISO/IEC 17025:2017 clauses for testing laboratory competence. When operated with Autogene-certified reagents, workflows satisfy analytical validation criteria outlined in USP , CLSI MM18-A, and WHO guidance for molecular surveillance of infectious agents.
Software & Data Management
Control software includes built-in electronic record functionality compliant with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available). Each run generates a timestamped PDF report containing protocol ID, operator ID, cycle parameters, error logs, and thermal profile graphs. Data export options include CSV and XML formats compatible with LIMS integration via HL7 or ASTM E1384 interfaces. Audit trails are immutable and support 21 CFR Part 11-compliant electronic signatures when deployed in GxP environments—subject to local IT infrastructure validation.
Applications
- Public health surveillance: High-volume screening for HBV, HCV, HIV, influenza, and emerging RNA viruses in centralized CDC reference labs.
- Blood transfusion safety: Routine nucleic acid testing (NAT) of donated blood units per national transfusion medicine standards.
- Foodborne pathogen detection: Rapid isolation of Salmonella, Listeria monocytogenes, and Campylobacter DNA/RNA from enrichment broths prior to qPCR or sequencing.
- Environmental monitoring: Recovery of microbial nucleic acids from wastewater, soil extracts, and air filter eluates for metagenomic profiling.
- Academic and industrial research: Scalable prep for NGS library construction, CRISPR gRNA validation, and digital PCR quantification.
FAQ
Does the BIO-DL32 support custom protocol development?
Yes—advanced users can modify incubation times, mixing speeds, magnetic dwell durations, and temperature setpoints via the protocol editor, with version-controlled saving and backup to external USB storage.
Is the system validated for diagnostic use under FDA or CE-IVD regulations?
The BIO-DL32 itself is not CE-IVD marked or FDA 510(k)-cleared; however, when used with CE-marked Autogene extraction kits and validated SOPs, it supports IVD workflows in jurisdictions accepting kit-based system equivalence pathways.
What maintenance is required for long-term operational reliability?
Scheduled maintenance includes quarterly calibration of temperature sensors and magnetic rod alignment verification; consumables (tips, sealing films, UV lamp) follow defined service life indicators embedded in the software dashboard.
