Beckman
Coulter, Inc.
Brookhaven
Instruments Corporation
Colloidal
Dynamics, Inc.
Duke
Scientific Corporation
Horiba
Instruments, Inc.
Malvern
Instruments, Inc.
Micromeritics
Microtrac
Molecular
Science
Nanoscale
Materials, Inc.
Ocean
Optics, Inc.
Particle
Sizing Systems
Polysciences,
Inc.
Protein
Solutions, Incorporated
Quantachrome
Corporation
Sci-Tec,
Inc.
TSI
Incorporated
Whitehouse
Scientific
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(C) 2000 Particles 2001
Last update: December 29, 2000