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FOR IMMEDIATE RELEASE

December 11, 2003

Guava Technologies: Rapid screening of individual cells for green fluorescent proteins.

The new Guava PCA-96 AFP (Auto-Fluorescing Protein) system allows researchers to determine the relative levels of fluorescing proteins produced by individual cells in a culture and to screen 96 such cultures in a single instrument run.

The compact Guava PCA-96 AFP system is the only blue-laser, micro-volume cell analysis system capable of screening single cells for GFP expression in an automated 96-well plate format at the research benchtop. With the new Guava PCA-96 AFP system screening individual cells for green fluorescent proteins is now easier and quicker than ever.

"The Guava PCA-96 AFP's fluorescence sensitivity, ease of use, and ability to analyse only microliter volumes [without sample carryover] makes the new Guava quite versatile as a research instrument and a terrific addition to the Guava product line," said Dr. Lewis Lanier, professor of microbiology and immunology at the University of California, San Francisco, USA. "The Guava PCA-96 AFP system is really useful for analysing transformed cells that express GFP and detecting cells stained with both FITC-conjugated and PE-conjugated antibodies."

Like other Guava PCA systems, the Guava PCA-96 AFP is compact, affordable and easy to use, requiring only microvolumes of cells and reagents and less than a day's training.


CONTACTS:

Worldwide Headquarters

Guava Technologies
25801, Industrial Boulevard
Hayward, CA 94545-2991
USA

www.guavatechnologies.com


EUROPE:
Dr Bill Bradbury
tel.: 44-208-546-0869
email: wbprimetek@aol.com

N.AMERICA:
Marie Martin
tel.: +1-510-576-1427
email: mmartin@guavatechnologies.com

Joan Kureczka
tel.: +1-415-821-2413
email: jkureczka@aol.com