预过滤器与生物负荷控制

预过滤器是一种经济高效且经过验证的技术,广泛应用于生物加工领域,用于去除颗粒物、降低生物负荷并提高加工效率。我们的预过滤器产品组合包括:
- Milligard® PES 膜预过滤器:符合伽马射线灭菌标准,可降低生物负荷,并由 Emprove® 计划提供支持,是大多数制药和生物制药应用的最佳选择。
- PolySep™ II 或 Milligard® 预过滤器:可高压灭菌,能满足您在更具挑战性的应用场景中的性能需求。
所有预过滤器均具备以下特点:
- 提供多种孔径规格,可高效过滤不同工艺流
- 提供 OptiScale® 规格,便于高效筛选和规模放大
- 提供胶囊和滤芯两种规格,并配备多种连接选项,可实现从实验室到生产规模的可靠放大
如需帮助确定适合您工艺的过滤器,请阅读我们的产品选型指南。

Milligard® PES 过滤器
Milligard® PES 过滤器提供三种孔径规格的聚醚砜 (PES) 膜。这些预过滤器可提高灭菌过滤器的处理能力,或保护单元操作免受颗粒杂质的影响。在无需使用灭菌过滤器的加工步骤中,它们也可作为独立的生物负荷降低过滤器使用。
主要优势
- 经验证的生物负荷降低效果(仅限 1.2/0.2 µm 标称孔径及 1.2/0.45 µm 规格)
- 流速快,通量高
- 提供γ射线灭菌兼容规格,可集成至Mobius®一次性组件
- 提供胶囊和滤芯两种规格
- 由 Emprove® 计划提供支持

Products
如需了解有关 Milligard® PES 滤芯如何提高加工效率的更多详细信息:
- Prefilter Family Guide
Discover cost-effective membrane-based prefilters that protect downstream operations, improve sterilizing-grade filter capacity, and reduce area requirements for enhanced process economics.
- Millipore Express® Sterilizing-Grade Membrane Filters Selection Guide
Discover various Millipore Express® sterilizing-grade membrane filters for liquid filtration in aseptic drug production.
- How Membrane Prefilters Enhance Bioprocessing Efficiency
Milligard® PES filters improve sterilizing-grade filter capacity and process economics
- Bioburden Reduction and Particulate Retention Using Milligard® PES Filters
Learn how Milligard® PES filters can be used as standalone filters in less critical process steps to remove particulates, reduce bioburden and provide high throughput.
- Processing mAb streams. How a bioburden reduction filter can improve process efficiency
For downstream processing steps that require bioburden control, rather than sterilizing-grade filtration, Milligard® PES filters are an attractive option.
- Membrane Prefilters Improve Sterilizing Filter Capacity and Process Economics in Bioprocessing
This technical article focuses on capacity performance improvements in sterilizing filters when Milligard® PES prefilters are upstream.
- Membrane Filtration: Efficient Particle Retention and Bioburden Reduction in Bioprocessing Fluid Streams
Some prefilters reduce bioburden and can be used as a cost-effective alternative to sterilizing filters for bioburden control in bioprocessing.


