BEC » Topics » Centrifugation

These excerpts taken from the BEC 10-K filed Feb 29, 2008.

Centrifugation

Centrifuges separate liquid samples based on the density of the components. Samples are rotated at up to 130,000 revolutions per minute to create forces that exceed 1,000,000 times the force of gravity. These forces result in a nondestructive separation that allows proteins, DNA, viruses, and other cellular components to retain their biological activity. Centrifugation also reduces the possibility of sample loss or information degradation that may occur in other forms of sample separation. Our centrifuges are routinely used in cellular, genomic and proteomic research, where the instruments increase productivity in the sample preparation process. Centrifuge models range from small table top units, such as the Microfuge® and Allegra™ line of products to larger, free-standing units, such as the Avanti® J high performance series and the Optima™ ultra series of centrifugation systems. In 2007, we introduced the Optima™ MAX-MP and the Microfuge® 16 bench top centrifuges. The Optima MAX-MP is a next generation ultracentrifuge that provides quieter operation, updated and enhanced software, and features that offer biosafety enhancements. The Microfuge® 16 is a general purpose bench top centrifuge that has a smaller footprint and more compact design than previous models.

Centrifugation

STYLE="margin-top:6px;margin-bottom:0px; text-indent:4%;padding-bottom:3px;line-Height:95%; vertical-align:top">Centrifuges separate liquid samples based on the density of the components. Samples are rotated at
up to 130,000 revolutions per minute to create forces that exceed 1,000,000 times the force of gravity. These forces result in a nondestructive separation that allows proteins, DNA, viruses, and other cellular components to retain their biological
activity. Centrifugation also reduces the possibility of sample loss or information degradation that may occur in other forms of sample separation. Our centrifuges are routinely used in cellular, genomic and proteomic research, where the instruments
increase productivity in the sample preparation process. Centrifuge models range from small table top units, such as the Microfuge® and Allegra™ line of products to larger,
free-standing units, such as the Avanti® J high performance series and the Optima™ ultra series of centrifugation systems. In 2007, we introduced the Optima™ MAX-MP and the
Microfuge® 16 bench top centrifuges. The Optima MAX-MP is a next generation ultracentrifuge that provides quieter operation, updated and enhanced software, and features that offer biosafety
enhancements. The Microfuge® 16 is a general purpose bench top centrifuge that has a smaller footprint and more compact design than previous models.

STYLE="margin-top:18px;margin-bottom:0px; margin-left:4%">Particle Characterization

We offer a
spectrum of products that are used in applications focused on the basic characterization of cells and raw materials. These “Coulter Counter”-based instruments count, size and perform other analyses on a large number of different types of
particles and are commonly used in areas such as platelet cell counting research for body fluids. Products in this area include the Vi-CELL™ cell viability analyzer, a small analyzer that automates the labor intensive, manual process widely
used in tissue culture studies and cell yields from fermentation processes and the LS series of particle counting and sizing systems, which play a key role in product development and quality control applications for the pharmaceutical,
biotechnology, food, beverage and other industries requiring particulate analysis.

 


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This excerpt taken from the BEC 10-K filed Feb 26, 2007.

Centrifugation

Centrifuges separate liquid samples based on the density of the components. Samples are rotated at up to 130,000 revolutions per minute to create forces that exceed 1,000,000 times the force of gravity. These forces result in a nondestructive separation that allows proteins, DNA, viruses, and other cellular components to retain their biological activity. There is also no possibility of the sample loss or information degradation that may occur in other forms of sample separation. Our centrifuges are routinely used in cellular, genomic and proteomic research, where the instruments increase productivity in the sample preparation process. Centrifuge models range from small table top units, such as the Microfuge® and Allegra™ line of products to larger, free-standing units, such as the Avanti® J high performance series and the Optima™ ultra series of centrifugation systems.

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