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Volume 5, Issue 1, 2000, pp. 35-49

Analysis of libraries encoded with GC tags: Compound elution, tag decode analysis, and statistical sampling analysis

Roland E. Dolle
Pharmacopeia Inc., CN5350, Princeton, NJ 08540-5350, U.S.A.
(Author for correspondence, present address:
Adolor Corporation, 371 Phoenixville Pike, Malvern, PA 19355, U.S.A., E-mail: roland@adolor.com)

Joan Guo
Pharmacopeia Inc., CN5350, Princeton, NJ 08540-5350, U.S.A.

Wenni Li
Pharmacopeia Inc., CN5350, Princeton, NJ 08540-5350, U.S.A.

Ning Zhao
Bristol-Myers Squibb, P.O. Box 5400, Princeton, NJ 08543, U.S.A.

James A. Connelly
Selectide Corp., 1580 Hanley Blvd., Tucson, AZ 85737, U.S.A.

Libraries encoded with electrophoric tags present a unique challenge with respect to library quality control and characterization. Libraries are prepared on Tentagel resin in 200-fold redundancy wherein each resin particle contains one compound per one tag set. The amount of compound present on the bead is ca. 200-500 pmole while tag levels are estimated at 0.5-1 pmol/bead. Several quality control protocols have been developed in order to accurately estimate bead yield and purity for the entire library, ensure high tag fidelity, and to determine the overall performance of individual synthons. This review provides a unique, collective portrait of Pharmacopeia's approach in assessing the quality of libraries prepared using its molecular encoding technology.


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