Scientz SCIENTZ-100F/B Pilot-Scale In-Situ Freeze Dryer with Hydraulic Stoppering and Silicone Oil Heating

Overview

The Scientz SCIENTZ-100F/B is a pilot-scale, in-situ freeze dryer engineered for precise, reproducible lyophilization of thermally sensitive biologicals, pharmaceuticals, and high-value research materials. It operates on the principle of sublimation under deep vacuum: frozen aqueous samples are dried without passing through the liquid phase, preserving structural integrity, bioactivity, and chemical fidelity. The system integrates a silicone oil-heated shelf stack with hydraulic stoppering capability, enabling full-cycle processing—including freezing, primary drying, secondary drying, and sterile vial sealing—within a single chamber. Unlike resistance-heated systems, silicone oil provides superior thermal uniformity (±1 °C shelf temperature distribution) and programmable ramp/soak profiles critical for optimizing complex drying protocols, such as those required for monoclonal antibodies, viral vectors, or botanical extracts. Its −70 °C cold trap (achievable with optional −80 °C configuration), 1.08 m² drying area, and 15 kg/24 h ice capture capacity position it between laboratory and production-scale equipment—ideal for process development, formulation screening, and small-batch GMP-compliant manufacturing.

Key Features

• In-situ freezing and drying with hydraulic stoppering for vial-based product stabilization under controlled vacuum conditions
• Silicone oil heating system with PID-controlled temperature modulation across 40 programmable segments per recipe (up to 40 stored protocols)
• Industrial-grade PLC controller with 7-inch color touchscreen interface; real-time display of shelf temperature, product temperature (via optional Pt100 probes), vacuum pressure, and cold trap temperature
• Compliance-ready architecture: audit trail logging, multi-level user permissions, automatic data backup upon power interruption, and optional UPS integration
• Dual-chamber design with corrosion-resistant cold trap (external coil geometry), easy-clean surface finish (Ra ≤ 0.5 µm), and aviation-grade transparent acrylic door for visual process monitoring
• Customized vacuum system featuring Scientz-engineered corrosion-resistant vacuum pump, optional oil mist filter, and automated differential-pressure valve to prevent backstreaming
• Refrigeration subsystem powered by imported compressors; achieves ≤−70 °C cold trap temperature under no-load conditions, extendable to ≤−80 °C with cascade configuration

Sample Compatibility & Compliance

The SCIENTZ-100F/B accommodates diverse sample formats including serum vials (2–30 mL), glass flasks, Petri dishes, and custom trays—compatible with both bulk and containerized loading. Its shelf flatness (±0.5 µm) and thermal homogeneity ensure consistent drying performance across heterogeneous batches. From a regulatory standpoint, the system supports GLP and GMP-aligned workflows: electronic records meet FDA 21 CFR Part 11 requirements when paired with validated software configurations; traceable parameter logging enables full process reconstruction; and configurable alarm thresholds (e.g., ambient temperature exceedance, vacuum deviation) facilitate IQ/OQ/PQ documentation. It conforms to ISO 22033 (lyophilization terminology), ASTM F2375 (pharmaceutical freeze-drying standards), and EU Annex 1 (sterile processing guidance) when operated with appropriate environmental controls and sterilization validation.

Software & Data Management

The embedded control software provides full-cycle automation—from pre-freeze nucleation control to endpoint determination via pressure rise test (PRT) or product temperature plateau detection. All operational parameters are timestamped and saved internally; historical cycles can be exported via USB to external PCs for statistical analysis (e.g., JMP, MATLAB). The system supports optional remote monitoring through secure web interface or mobile application (iOS/Android), enabling off-site supervision without compromising data security. Audit trails include operator ID, parameter changes, alarm events, and manual interventions—structured to satisfy internal quality audits and external regulatory inspections. Data encryption, role-based access control, and configurable retention policies further reinforce compliance with GDPR and HIPAA-associated data governance frameworks.

Applications

This freeze dryer serves cross-disciplinary applications requiring structural preservation and functional recovery post-drying. In biopharmaceutical R&D, it supports lyophilization of vaccine candidates, therapeutic proteins, and cell lysates while maintaining conformational stability. Academic labs use it for cryopreservation of microbial cultures, insect tissues, and plant metabolites; environmental researchers apply it to soil and sediment matrices prior to elemental or metagenomic analysis. Food science departments employ it for nutrient retention studies in functional ingredients, while materials scientists utilize its low-temperature desiccation for nanoparticle dispersion and catalyst synthesis. Government agencies—including CDC, EPA, and customs laboratories—leverage its reliability for forensic sample stabilization, pesticide residue analysis, and pathogen archiving.

FAQ

What is the maximum batch size supported by the SCIENTZ-100F/B?

Standard configuration supports up to 1,200 × 5 mL vials or equivalent surface area (1.08 m²); total ice load capacity is 15 kg per 24-hour cycle.

Does the system support real-time product temperature monitoring?

Yes—optional calibrated Pt100 sensors can be inserted into representative vials or placed directly on shelves for direct thermal profiling during drying.

Can the freeze dryer be integrated into a cleanroom environment?

It is compatible with ISO Class 5–8 environments; optional穿墙 (wall-mount) configuration and HEPA-filtered nitrogen purge interface facilitate seamless integration.

Is GMP compliance documentation available?

Scientz provides DQ/IQ/OQ templates, FAT/SAT reports, and 21 CFR Part 11 readiness assessment upon request—subject to site-specific validation protocols.

What refrigerant and compressor types are used in the cooling system?

The system employs environmentally compliant R404A/R23 cascade refrigerants and industrial-grade compressors from internationally certified suppliers (e.g., Tecumseh, Danfoss).