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Faster Flow Rates for Sterile Filtration

New Millex® syringe filters with Millipore Express PLUS (PES) membrane

Billerica, Massachusetts—August 4, 2008—Millipore Corporation, a Life Science leader providing technologies, tools and services for bioscience research and biopharmaceutical manufacturing, today announced the expansion of its 33 mm Sterile Millex family of syringe filters, which includes the fastest filters on the market. Sterile syringe filters are used universally for sterilizing or clarifying solutions, and are frequently used for sterile cell culture and clinical pharmaceutical applications.

The 33 mm Millex syringe filters with Millipore Express® PLUS (PES) membrane are available in 0.22 µm (GP) and 0.45 µm (HP) pore sizes and deliver faster filtration rates with low protein-binding properties. These filters are the latest addition to Millipore’s expanding line of 33 mm syringe filters. With 20% more surface area than standard 25 mm devices, the new filters offer a higher process volume of 200 ml and a greater burst strength (150 psig), allowing for high operating pressure. Without the risk of filters bursting or clogging, researchers need not use multiple filters per sample or worry about incomplete filtration.

In addition to improving filtration throughput, the new Millex filters also increase experimental reproducibility. Because 33 mm filters have a low hold-up volume (less than 100 µL), there is minimal sample loss during filtration. Furthermore, the low-protein-binding Millipore Express PLUS (PES) membrane allows maximum recovery of soluble proteins, such as serum components typically added to cell culture media. Preserving these additives translates into consistently intact, sterile cell culture media, ensuring reproducible cell growth, behavior, and downstream results.

The integrated Millipore offers more innovative technologies and stronger application support to streamline processes and provide consistently reliable results. Our Laboratory Filtration portfolio includes thousands of membrane-based filtration tools for use in the laboratory to purify and separate samples prior to analysis to allow researchers to efficiently achieve consistent, high quality results. Millipore has evolved from a high performance filtration products and services company into a leading provider of tools and services and a key partner of choice for Life Science customers. We’ve transformed ourselves through R&D investment, organic growth, and acquisitions such as Chemicon, Upstate, Linco, Celliance, Newport Bio Systems, NovAseptic AB and MicroSafe.

About Millipore

Millipore (NYSE: MIL) is a Life Science leader providing cutting-edge technologies, tools, and services for bioscience research and biopharmaceutical manufacturing. As a strategic partner, we collaborate with customers to confront the world’s challenging human health issues. From research to development to production, our scientific expertise and innovative solutions help customers tackle their most complex problems and achieve their goals. Millipore Corporation is an S&P 500 company with 6,000 employees in 47 countries worldwide. For more information, please contact Millipore Tech Service at 1-800-548-7853 or 951-676-8080 or visit www.millipore.com.

ADVANCING LIFE SCIENCE TOGETHERTM
Research. Development. Production.

Millipore Media Contact:

Chandreyee Das
Bioscience Division
Millipore Corporation
978-762-5147
chandreyee_das@millipore.com

Millipore, Celliance, Chemicon, Upstate, Linco and NovAseptic are registered trademarks and the “M” logo, ADVANCING LIFE SCIENCE TOGETHER and MicroSafe are trademarks of Millipore Corporation.

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