Millipore Corporation Release: New Assembly Provides Greater Convenience for Growing and Studying Cells In Vitro

Billerica, Massachusetts—January 15, 2008— Millipore Corporation today announced the availability of Hanging Millicell® Cell Culture Inserts pre-loaded into 24-well receiver trays. The new pre-loaded assembly saves time and labor across a range of experimental protocols.

Millicell inserts are plastic cell culture wells with membrane bottoms designed to promote more natural cell behavior than plastic plates. The porous membrane allows cells to be “fed” (by adding nutrients to the medium) from both the apical and basolateral sides. As a result, the cells form high integrity monolayers and studies have shown that cell growth and function more closely resemble cells grown in vivo.

The hanging, pre-loaded inserts are available with a polyethylene terephthalate (PET) membrane in two common pore sizes (0.4 and 8.0 micron). The inserts’ unique design allows easier basolateral access than other hanging inserts with less risk of contamination. The units are sterile and tissue culture treated.

Hanging Millicell inserts are recommended for co-culture and permeability assays including angiogenesis, chemotaxis, invasion, feeder layers, immunohistochemistry, tumor cell metastasis and invasion assays.

In addition to the hanging inserts, Millicell inserts are also available as standing inserts or as 24-well or 96-well plate formats. The family of Millicell products is available with a variety of microporous membranes, including PTFE, polycarbonate, and mixed cellulose esters.

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 more than 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: Greg Hoff Millipore Corporation 978-762-5170 Greg_Hoff@millipore.com

Links in This Release www.millipore.com www.millipore.com/catalogue/module/C10504

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