Beckman Coulter, Inc.

Lori A Charie

Ravinder K Gupta

John A Maples

Fabrice Malergue

Francisco Estevez-Labori

Meryl Forman

Richard Timmons

Joseph Wolfers

Emmanuel Gautherot

Daniel James Flagler

Rhonda Ann Mills

Meryl A Forman

Novel compositions containing (i) ligand conjugated phycobiliprotein tandem dyes and (ii) unconjugated phycobiliproteins are provided wherein the phycobiliproteins are derived from the same bacterial or eukaryotic algae species. The phycobiliproteins must be the same or different, but must contain some non-crosslinked subunits which exchange. Also provided are methods for preparing these compositions, kits containing these compositions or components of the same, and methods of using these compositions for cellular and non-cellular analysis.

Multicolor flow cytometry compositions containing unconjugated phycobiliproteins

A stabilization reagent composition, particularly desirable for stabilizing blood samples containing platelets, contains reactants that generate multiple species of formaldehyde-ammonium complexes; at least one inhibitor of phosphatase enzymatic activity; and at least one inhibitor of protease enzymatic activity. Blood samples and other tissues are stabilized by this composition. Such stabilized samples are produced by methods for stabilizing the tissue by contacting the sample with the composition.

Formaldehyde-ammonium salt complexes for the stabilization of blood cells

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Pembroke Pines, FL, United States of America

Lori A Charie