Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jbiosc.2011.01.001
Title: PEGylated antibody in organic media
Authors: Liu, M.
Xu, M.
Loh, X.J.
Abe, H.
Tsumuraya, T.
Fujii, I.
Li, J. 
Son, T.I.
Ito, Y.
Keywords: Antibody
Catalytic antibody
Immunoassay
Organic solvents
Poly(ethylene glycol)
Issue Date: May-2011
Source: Liu, M., Xu, M., Loh, X.J., Abe, H., Tsumuraya, T., Fujii, I., Li, J., Son, T.I., Ito, Y. (2011-05). PEGylated antibody in organic media. Journal of Bioscience and Bioengineering 111 (5) : 564-568. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jbiosc.2011.01.001
Abstract: Antibodies were covalently conjugated with poly(ethylene glycol) (PEG) and the properties of the PEGylated antibodies in organic media were investigated. Two types of monoclonal antibody were used in this study. One was a monoclonal antibody (abzyme) that was prepared against a hapten mimicking a transition state of hydrolysis. Another was a monoclonal antibody against estrogen, which is not soluble in water. By electrophoresis and mass spectral analysis, the covalent conjugation with PEG chains was confirmed. The PEGylated antibodies bound to antigens and the PEGylated abzyme catalyzed a hydrolysis reaction in an aqueous solution. The PEGylated antibodies were soluble in dichloromethane and acetone and interacted with antigen either in dichloromethane or in acetone. In conclusion, PEGylated antibodies can be employed as analytical tools for water-insoluble analytes. © 2011 The Society for Biotechnology, Japan.
Source Title: Journal of Bioscience and Bioengineering
URI: http://scholarbank.nus.edu.sg/handle/10635/67213
ISSN: 13891723
DOI: 10.1016/j.jbiosc.2011.01.001
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