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Agricultural Research Service United States Department of Agriculture
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Luisa Wai Wai Cheng
Foodborne Contaminants Research
Research Biologist

Phone: (510) 559-6337
Fax: (510) 559-6429
Room WAB409
USDA, ARS, PWA, WRRC-FCR
800 BUCHANAN STREET
ALBANY, CA, 94710

Projects
Development of Detection Technologies for Toxins and Their Validation in Food Matrices
Appropriated (D)
  Accession Number: 410156

Publications
Influence of Gene Expression on Variable Aflatoxin Production by Different Strains of Aspergillus flavus - (Abstract) - (01-Feb-09)
Botox and Our Tax Dollars at Work - (Other) - (06-Oct-08)
Immunochemical technologies for replacement of rodent bioassays in sensitive detection of toxins in foods - (Abstract) - (01-Oct-08)
Effect of food matrices on the biological activity of ricin - (Peer Reviewed Journal)
He, X., Lu, S.S., Cheng, L.W., Rasooly, R., Carter, J.M. 2008. Effect of food matrices on the biological activity of ricin. Journal of Food Protection 71(10):2053-2058.
Detection of botulinum neurotoxin-A activity in food by peptide cleavage assay - (Peer Reviewed Journal)
Rasooly, R., Stanker, L.H., Carter, J.M., Do, P.M., Cheng, L.W., He, X., Brandon, D.L. 2008. In vitro peptide cleavage assay for detection of Botulinum Neurotoxin-A activity in food. International Journal of Food Microbiiology. 126 (2008):135-139
Effects of purification on the bioavailability of botulinum neurotoxin type A - (Peer Reviewed Journal)
Cheng, L.W., Onisko, B.C., Johnson, E.A., Reader, J.R., Griffey, S.M., Larson, A.E., Tepp, W.H., Stanker, L.H., Brandon, D.L., Carter, J.M. 2008. Effects of purification on the bioavailability of botulinum neurotoxin type A. Toxicology. 249(2008):123-129.
Development and Partial Characterization of High-affinity Monoclonal Antibodies for Botulinum Toxin Type A and their use in Analysis of Milk by Sandwich ELISA - (Peer Reviewed Journal)
Stanker, L.H., Merrill, P.A., Scotcher, M.C., Cheng, L.W. 2008. Development and Partial Characterization of High-affinity Monoclonal Antibodies for Botulinum Toxin Type A and their use in Analysis of Milk by Sandwich ELISA. Journal of Immunological Methods, 336:1-8.
Application of a real time PCR method to detect castor toxin contamination in fluid milk and eggs - (Peer Reviewed Journal)
He, X., Carter, J.M., Brandon, D.L., Cheng, L.W., Mckeon, T.A. 2007. Application of a real time PCR method to detect castor toxin contamination in fluid milk and eggs. Journal of Agricultural and Food Chemistry. 55:6897-6902
Molecular Approaches for the Identification of Toxin in Foods - (Abstract) - (23-Feb-07)
Bioavailability of Crude Ricin in Food Matrices - (Abstract)
Cheng, L.W., Brandon, D.L., He, X., Chen, G.Q., Carter, J.M. 2006. Bioavailability of crude ricin in food matrices. [Abstract]. ACS National Meeting and Exposition. Poster AGFD 64
Development of Monoclonal Antibodies Specific for Ricin - (Abstract)
Brandon, D.L., Cheng, L.W., He, X., Carter, J.M. 2006. Development of monoclonal antibodies specific for ricin. [Abstract]. ACS National Meeting and Exposition. Oral Presentation AGRO 234
Development of New Monoclonal Antibodies Specific for Botulinum Neurotoxin Type A - (Abstract)
Stanker, L.H., Merrill, P.A., Cheng, L.W., Carter, J.M., Brandon, D.L. 2006. Development of new monoclonal antibodies specific for botulinum neurotoxin type a. [Abstract]. ACS National Meeting. Oral Presentation AGRO 235.

   
 
Last Modified: 05/08/2009
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