Beckman Coulter Reduces Sample Size Requirements for Particle Analysis System

(Nanowerk News) A new sample handling system from Beckman Coulter, Inc. reduces minimum volume requirements on the Multisizer 4 COULTER COUNTER Particle Characterization System from 10 mL to 4 mL.
The new adapter, available worldwide and immediately, accommodates Nalgene 5 mL polyethylene vials and will address the volume range important to customers who are sensitive to sample size and dilution effects. The ability to accept smaller volumes is critical in applications in which samples are rare, expensive -- or both.
"Customers using the Multisizer 4 for counting particles in protein formulations, in applications such as pharmaceutical development, needed to work with smaller sample volumes," said Elsa Burgess, director of Worldwide Operations for the Particle Characterization Business Center. "We're glad to have developed this new adapter and excited about the opportunities it presents to researchers."
"While the protein formulation market motivated us to begin this project, we quickly realized the new vials could be used by cell biologists, chemists and geologists -- any customers with precious samples," said Matthew Rhyner, Ph.D., Beckman Coulter technical marketing manager.
About the Beckman Coulter Particle Characterization Business Center
The Particle Characterization Business Center is based in Miami, Florida. The group develops, manufactures and markets products that are used to study, analyze, and quantify particles of many types. The group serves customers as diverse as cell biologists and cement manufacturers. Serving particle customers since 1960, the group specializes in the Coulter Principle, laser diffraction, dynamic light scattering, zeta potential determination, and BET analysis to understand all aspects of particulate samples.
About Beckman Coulter
Beckman Coulter, Inc., based in Orange County, California, develops, manufactures and markets products that simplify, automate and innovate complex biomedical tests. This year marks the company's 75th anniversary of advancing healthcare. More than 200,000 Beckman Coulter systems operate in laboratories around the world, supplying critical information for improving patient health and reducing the cost of care. Recurring revenue, consisting of consumable supplies (including reagent test kits), service and operating-type lease payments, represents about 80 percent of the company's 2009 revenue of $3.3 billion. For more information, visit or
Source: Beckman Coulter (press release)
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