Agilent BIO-DIS Reciprocating Cylinder Dissolution Tester
| Brand | Agilent Technologies |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Instrument Type | Online Dissolution Tester |
| Vessel Capacity | 7-position |
| Temperature Range | Ambient +5 °C to 55 °C |
| Temperature Accuracy | ±0.1 °C |
| Stroke Rate | 5–60 DPM (Double Strokes per Minute) |
| Bath Volume | 25 L |
Overview
The Agilent BIO-DIS Reciprocating Cylinder Dissolution Tester is an advanced, online-capable dissolution system engineered specifically for USP Method 3 (Reciprocating Cylinder) and European Pharmacopoeia (Ph. Eur.) harmonized reciprocating cylinder testing. Unlike conventional paddle or basket apparatuses, the BIO-DIS employs a vertically oscillating cylindrical vessel immersed in multiple dissolution media—enabling dynamic simulation of gastrointestinal transit, pH shifts, and regional residence times. This principle supports biorelevant dissolution profiling critical for modified-release dosage forms, including extended-release tablets, multiparticulates, microspheres, chewables, and suspensions. Its robust architecture supports unattended operation for up to 144 hours (6 days), making it suitable for long-duration release kinetics studies required under ICH Q5C and Q8(R2) guidelines.
Key Features
- Biorelevant Fluid Transit Simulation: Programmable stroke rate (5–60 DPM), dwell time per medium, and sequential media exchange replicate gastric emptying, duodenal transit, and colonic exposure—supporting IVIVC development per FDA guidance on extended-release products.
- Seven-Position Vessel Configuration: Accommodates standardized 10–25 mL cylindrical vessels with precision-matched plungers; optional small-volume (5 mL) and large-volume (50 mL) configurations available for low-dose or poorly soluble compounds.
- High-Stability Thermal Control: Integrated 25 L water bath with PID-controlled heater/circulator maintains temperature uniformity across all positions within ±0.1 °C (at setpoints from ambient +5 °C to 55 °C), compliant with USP <711> thermal validation requirements.
- Automated Media Switching & Positioning: Motorized X-Y stage moves vessels between up to seven independent dissolution media reservoirs without operator intervention—eliminating manual transfer errors and enabling multi-pH dissolution profiles.
- 21 CFR Part 11–Compliant Software Integration: Fully interoperable with Agilent’s validated Dissolution Workstation software for electronic audit trails, user access control, electronic signatures, and secure method storage—meeting GLP/GMP data integrity standards.
Sample Compatibility & Compliance
The BIO-DIS is validated for use with solid oral dosage forms exhibiting complex release mechanisms, including osmotic pumps, matrix tablets, coated beads, and lipid-based formulations. It meets performance verification criteria defined in USP <724> for reciprocating cylinder apparatus and Ph. Eur. 2.9.3. All mechanical and thermal parameters are traceable to NIST-certified references. System qualification includes mechanical calibration (stroke amplitude, dwell time accuracy), temperature mapping (per ICH Q5C Annex 3), and fluid dynamics verification using calibrated tracer dyes. Documentation packages support regulatory submissions under FDA, EMA, PMDA, and Health Canada requirements.
Software & Data Management
Control and data acquisition are managed through Agilent’s Dissolution Workstation software—a 21 CFR Part 11–validated platform supporting full lifecycle management of dissolution methods, instrument logs, and raw data files (.csv, .pdf, .xml). The software enables synchronized control of the BIO-DIS and optional Agilent 850-DS autosampler—including filter changer actuation, pump priming, and fraction collection timing. Audit trail functionality records all parameter changes, user logins, and report generation events with immutable timestamps. Exported datasets conform to CDISC SDTM and WHO TRS 992 Annex 6 metadata structures for seamless integration into CMC modules and regulatory eCTD submissions.
Applications
- Development and validation of biorelevant dissolution methods for BCS Class II/IV compounds
- Comparative dissolution testing of generic extended-release products against reference listed drugs (RLDs)
- In vitro-in vivo correlation (IVIVC) modeling for pharmacokinetic prediction
- Stability-indicating dissolution assessment under stressed conditions (e.g., varying pH, surfactant concentrations)
- Quality-by-Design (QbD) studies supporting design space definition per ICH Q8(R2)
- Regulatory filing support for ANDA, NDA, and MAA submissions requiring USP Method 3 compliance
FAQ
Is the BIO-DIS compatible with existing Agilent dissolution infrastructure?
Yes—it integrates natively with Agilent 850-DS autosamplers, UV/Vis spectrophotometers, and HPLC systems via RS-232, Ethernet, and OPC UA protocols.
Can the system perform dissolution testing across multiple pH environments without manual intervention?
Yes—its programmable X-Y positioning system automatically transports cylinders between up to seven independently thermostatted media baths.
Does the instrument support IQ/OQ/PQ documentation packages?
Agilent provides comprehensive qualification templates aligned with ASTM E2503, USP <1058>, and GAMP 5, including protocol templates, test scripts, and summary reports.
What is the maximum unattended runtime for a single method sequence?
The system supports continuous operation for up to 144 hours (6 days) with pre-loaded programs, automatic media switching, and real-time error logging.
Are small-volume cylinder options available for low-dose or pediatric formulations?
Yes—5 mL and 10 mL cylinder kits are available as factory-installed options, each qualified per USP <724> mechanical verification protocols.
