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Methods to Characterize Ricin for the Development of Reference Materials.


ABSTRACT: Ricin is an abundant protein from the castor bean plant Ricinus communis. Because of its high toxicity and the simplicity of producing mass quantities, ricin is considered a biological terrorism agent. We have characterized ricin extensively with a view to develop Reference Materials that could be used to test and calibrate detection devices. The characterization of ricin includes: 1) purity test of a commercial batch of ricin using electrophoresis in polyacrylamide gels, 2) biological activity assay by measuring its ability to inhibit protein synthesis, 3) quantitation of protein concentration by amino acid analysis, 4) detection of ricin by an immunoassay using a flow cytometer, and 5) detection of ricin genomic DNA by polymerase chain reaction using nine different primer sets. By implementing these five methods of characterization, we are in a position to develop a reference material for ricin.

SUBMITTER: Kim SK 

PROVIDER: S-EPMC4659454 | biostudies-literature | 2006 Jul-Aug

REPOSITORIES: biostudies-literature

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Methods to Characterize Ricin for the Development of Reference Materials.

Kim Sook-Kyung SK   Hancock Diane K DK   Wang Lili L   Cole Kenneth D KD   Reddy Prasad T PT  

Journal of research of the National Institute of Standards and Technology 20060701 4


Ricin is an abundant protein from the castor bean plant Ricinus communis. Because of its high toxicity and the simplicity of producing mass quantities, ricin is considered a biological terrorism agent. We have characterized ricin extensively with a view to develop Reference Materials that could be used to test and calibrate detection devices. The characterization of ricin includes: 1) purity test of a commercial batch of ricin using electrophoresis in polyacrylamide gels, 2) biological activity  ...[more]

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