Single Use Support Launches Next-Generation RoSS.BLST Blast Freezer with Recipe-Driven -80°C Protocols for Biopharmaceutical Cold Chain
核心洞察
Single Use Support (搜索) has launched the RoSS.BLST (搜索), a next-generation blast freezing and thawing platform with recipe-driven protocols reaching -80°C for high-value biologics.
The system features advanced airflow management circulating air every 2.5 seconds and offers up to 30% greater usable chamber capacity than comparable blast freezer technologies.
The platform supports up to 192 × 2 L bottles per batch and is designed as part of an integrated freeze-to-store workflow connecting filling, freezing, storage, and thawing.
Single Use Support (搜索) has announced the launch of RoSS.BLST (搜索), a next-generation blast freezing and thawing platform engineered to deliver maximum process consistency and product quality for high-value biologics. The upgraded system features enhanced performance, increased capacity, and recipe-driven freezing protocols capable of reaching temperatures down to -80°C, addressing one of the most critical steps in bioprocessing: cold chain management.
Markus Fürhapter, CTO of Single Use Support (搜索), described the motivation behind the innovation: "With our next-gen RoSS.BLST (搜索), we're transforming the freezing of bulk-packaged drug substances into an efficient, reproducible and scalable process."
Addressing Cold Chain Infrastructure Gaps
The development of RoSS.BLST (搜索) was driven by a growing disconnect between production volumes and cold storage infrastructure. According to Fürhapter, biopharmaceutical manufacturers and CDMOs are processing increasingly larger batches of bulk drug substance, yet freezer capacity and facility footprints often remain fixed. Expanding facility footprint to accommodate additional cold storage is expensive and frequently impractical.
"One challenge I often hear from biopharmaceutical manufacturers and CDMOs is that production volumes are growing faster than cold storage infrastructure," Fürhapter noted. Companies are also expected to handle a broader range of products, packaging formats, and customer requirements while maintaining quality and operational efficiency.
A key insight behind the platform's design was that freezing and ultra-low temperature storage are often treated as separate operations, leading to additional handling steps, fragmented material flow, batch splitting, and unnecessary workflow complexity. This misalignment creates higher costs, reduced throughput, and increased operational risk.
Advanced Freezing Performance and Process Consistency
The RoSS.BLST (搜索) platform incorporates several technological enhancements aimed at improving process consistency and batch reproducibility. The system features advanced airflow management that circulates air completely every 2.5 seconds, ensuring rapid and uniform temperature distribution throughout the chamber. This efficient direct cooling system, paired with a Siemens control system, accelerates pull-down to target temperature and shortens overall runtime, enabling faster batch freezing cycles with lower energy demand.
The platform is fully 21 CFR Part 11 compliant, with recipe-driven freezing protocols designed to minimize batch-to-batch variability. "Process consistency is critical for all types of therapies, such as biologics, cell therapies, gene therapies, and other advanced therapies. Even small process variations can impact product quality, which makes reproducibility a key requirement across the entire cold chain," Fürhapter explained.
High-Volume Loading and Facility Efficiency
Designed for high-volume loading, RoSS.BLST (搜索) supports up to 192 × 2 L bottles per batch. Single Use Support (搜索) reports that the system offers a high usable chamber volume-to-footprint ratio, delivering up to 30% greater usable chamber capacity than comparable blast freezer technologies. This allows manufacturers to scale freezing operations without increasing their facility footprint.
The blast freezer features hygienic stainless-steel construction to support cleaning and maintenance requirements in regulated manufacturing environments. The system also aligns with industry sustainability goals by using natural refrigerants that have a lower environmental impact than conventional alternatives.
Integrated Freeze-to-Store Workflow
RoSS.BLST (搜索) forms part of Single Use Support (搜索)'s broader cold chain portfolio, which includes the RoSS.ULTF ultra-low temperature storage freezer range and secondary packaging solutions for single-use bottles and 2D bioprocess containers. The vision extends beyond freezing alone, connecting automated aseptic filling, controlled-rate freezing, ultra-low temperature storage, and thawing within one harmonized process.
"Rather than looking at freezing as an isolated process step, we approached it as part of an integrated freeze-to-store workflow," said Fürhapter. "By aligning equipment capacities, container handling concepts, and material flow across these process steps, manufacturers can process increasingly large batches more efficiently while maintaining operational simplicity."
The workflow remains container-agnostic, supporting a wide range of bottle and bag formats without requiring different handling concepts for each product. This flexibility is particularly valuable for CDMOs, where container formats and customer requirements vary significantly from project to project.
Sustainability and Future Outlook
The platform addresses sustainability through multiple avenues. Beyond using natural refrigerants with a global warming potential approaching zero, the system's increased storage density allows manufacturers to store more product within the same footprint, reducing the need for additional infrastructure. Fürhapter emphasized that "sustainability is not only achieved through individual pieces of equipment alone. It comes from designing processes that use space, energy, and resources more effectively across the entire cold chain."
Looking ahead, Single Use Support (搜索) envisions a shift toward more automated and data-driven freeze-to-store workflows. Technologies such as recipe-driven freezing protocols, electronic batch records, and integrated process monitoring are expected to help maximize product quality, reduce manual intervention, and improve consistency and traceability across the entire bulk drug substance workflow.
