Pharmacia Biotech Inc.

Cristine J Dall

James F Jolly

Rama P Ramanujam

Suzanne B Treml

Connie A Draveling

A reagent sphere is disclosed comprising at least one biological reagent and a glass-forming filler material in a concentration sufficient to facilitate formation of a glassy, porous composition, wherein the reagent semi-sphere is water soluble and has a T.sub.g sufficient for room temperature stability. At least two carbohydrates are combined to create the reagent sphere. The first carbohydrate is a synthetic high molecular weight polymer. The second carbohydrate is different than the first carbohydrate. A method is provided for making the reagent sphere.

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Shorewood, WI, United States of America

Cristine J Dall