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Título: | Synthesis of site-heterologous haptens for high-affinity anti-pyraclostrobin antibody generation |
Autor: | Mercader Badia, Josep Vicent CSIC ORCID; Agulló, Consuelo; Abad Somovilla, Antonio; Abad Fuentes, Antonio CSIC ORCID | Palabras clave: | Immunoassays Antibody generation Computer assisted molecular modeling |
Fecha de publicación: | 2011 | Editor: | Royal Society of Chemistry (UK) | Citación: | Organic and Biomolecular Chemistry 9: 1443- 1453 (2011) | Resumen: | The design and synthesis of functional chemical derivatives of small organic molecules is usually a key step for the intricate production of a variety of bioconjugates. In this respect, the derivatization site at which the spacer arm is introduced in immunizing conjugates constitutes a highly critical parameter for the generation of high-affinity and selective antibodies. However, due to the usual complexity of the required synthetic procedures, the appropriate comparison of alternative tethering positions has often been neglected. In the present study, meticulous strategies were followed to prepare synthetic derivatives of pyraclostrobin with the same linkers located at diverse rationally-chosen sites. Activity appraisal of antibodies and bioconjugates was carried out by bidimensional competitive direct and indirect immunoassays, and a superior performance of two of the three synthesized haptens was found. Finally, a detailed analysis of the conformations of the target molecule and the synthesized haptens in aqueous solution was done using computer assisted molecular modeling techniques. This study suggested that the lower titers and affinities of one set of antibodies are most probably due to conformational effects of the spacer arm in the immunizing bioconjugate. | URI: | http://hdl.handle.net/10261/112245 | DOI: | 10.1039/c0ob00686f | Identificadores: | doi: 10.1039/c0ob00686f issn: 1477-0520 |
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Org Biomol Chem-2011-Mercader.pdf | 858,73 kB | Adobe PDF | Visualizar/Abrir |
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