Scientz SCIENTZ-20F/B Pilot-Scale Shelf Freeze Dryer with In-Situ Silicon Oil Heating and Stoppering Function

Overview

The Scientz SCIENTZ-20F/B is a pilot-scale, in-situ shelf freeze dryer engineered for precise, reproducible lyophilization of thermally sensitive biological and pharmaceutical materials. It operates on the principle of sublimation under deep vacuum—where frozen water transitions directly from solid to vapor without passing through the liquid phase—thereby preserving structural integrity, bioactivity, and chemical stability of labile compounds. Designed for process development and small-batch production, this unit integrates silicon oil–based shelf heating with a mechanical stoppering mechanism, enabling controlled primary and secondary drying, real-time thermal profiling, and sterile vial sealing post-drying. Its architecture supports Good Manufacturing Practice (GMP)-aligned workflows, including audit-trail-capable data logging, multi-level user permissions, and compliance-ready operational parameters—making it suitable for regulated environments such as QC laboratories, biopharmaceutical R&D, and academic translational research.

Key Features

• In-situ silicon oil heating system ensures ±1 °C shelf temperature uniformity and high-fidelity ramp/hold control across up to 40 programmable segments per recipe.
• Stoppering-compatible shelf design accommodates standard serum vials, glass bottles, and trays; enables post-drying hermetic sealing without chamber venting.
• Dual-stage cascade refrigeration system achieves cold trap temperatures ≤−70 °C (empty), with verified ice capacity of 4 kg per 24-hour cycle.
• Industrial-grade PLC controller with 7-inch true-color touchscreen interface displays real-time cold trap temperature, shelf temperature, chamber pressure, and vacuum rate.
• Preloaded PID-controlled heating profiles: linear ramp, slope-defined ramp, and hold-at-temperature timing—each automatically sequenced during drying cycles.
• Onboard data storage retains up to 40 complete freeze-drying protocols; all process data—including timestamps, alarms, and parameter deviations—is auto-saved and exportable via USB.
• Corrosion-resistant cold trap with external coil design facilitates rapid cleaning and minimizes cross-contamination risk between batches.
• Integrated vacuum safety logic prevents oil backstreaming; optional vacuum differential valve and oil mist filter available for extended pump life and ISO Class 5 compatibility.

Sample Compatibility & Compliance

The SCIENTZ-20F/B supports diverse sample formats—including serum vials (2–20 mL), Petri dishes, glass flasks, and custom trays—without requiring transfer between pre-freezing and drying stages. Its stainless steel chamber and electropolished shelves (surface roughness Ra ≤ 0.5 µm) meet material compatibility requirements for GMP-compliant processing of APIs, vaccines, monoclonal antibodies, enzymes, nucleic acids, and microbial cultures. The system adheres to core elements of FDA 21 CFR Part 11 (electronic records/signatures), supports GLP/GMP audit trails via timestamped event logs, and aligns with ISO 22000 and USP lyophilization guidance for validation readiness. Optional co-located coagulation point detection and nitrogen purge interfaces further extend its utility in formulation optimization and oxygen-sensitive applications.

Software & Data Management

The embedded control software provides full-cycle automation—from freezing through primary drying, secondary drying, and stoppering—with configurable alarm thresholds, deviation alerts, and automatic shutdown on critical fault conditions (e.g., excessive chamber pressure rise or compressor overload). All operational events—including setpoint changes, manual interventions, and system status transitions—are recorded with ISO 8601 timestamps and user IDs. Data exports comply with CSV and Excel-compatible formats for integration into LIMS or statistical process control (SPC) platforms. Remote monitoring is supported via optional Ethernet/Wi-Fi modules and mobile application access—enabling secure off-site review of ongoing cycles without compromising network security or data integrity.

Applications

This freeze dryer serves as a scalable platform for lyophilization process development across multiple domains: pharmaceutical formulation of injectables and oral disintegrating tablets; stabilization of diagnostic reagents and reference standards; preservation of clinical biospecimens (serum, plasma, tissue homogenates); preparation of nanomaterials and catalysts where particle agglomeration must be avoided; dehydration of botanical extracts and functional food ingredients; and archival drying of environmental samples (soil, sludge, plant tissues) for subsequent elemental or genomic analysis. Its versatility extends to regulatory submissions—supporting DOE-based cycle optimization, mapping of critical process parameters (CPPs), and generation of evidence for QbD (Quality by Design) frameworks.

FAQ

What is the maximum batch size supported by the SCIENTZ-20F/B?

The unit accommodates up to 0.21 m² of lyophilization surface area, typically corresponding to ~1,200 standard 5-mL serum vials or equivalent tray-based loading.

Does the system support validation documentation packages?

Yes—upon request, Scientz provides IQ/OQ documentation templates aligned with ASTM F2937-15 and ISO 13408-1, including sensor calibration certificates, vacuum leak test reports, and temperature mapping protocols.

Can the cold trap be cleaned without disassembly?

Yes—the externally wound cold trap coil allows wipe-down cleaning using ethanol or isopropanol without removing internal components.

Is remote operation possible without compromising data security?

Remote monitoring is implemented via TLS-encrypted HTTP(S) connections; no inbound ports are opened on the device’s firewall, ensuring compliance with institutional IT security policies.

What vacuum pump options are compatible with this model?

The system is optimized for use with corrosion-resistant dual-stage rotary vane pumps (e.g., Edwards RV8, Leybold DuraVac); optional oil mist filtration and automatic pressure-balancing valves are available to extend pump service intervals.