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by Keyword: Anti β-casein antibody


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Baccar, Z. M., Hidouri, S., El Bari, N., Jaffrezic-Renault, N., Errachid, A., Zine, N., (2009). Stable immobilization of anti-beta casein antibody onto layered double hydroxides materials for biosensor applications Sensor Letters 6th Maghreb-Europe Meeting on Materials and Their Applications for Devices and Physical, Chemical and Biological Sensors , AMER SCIENTIFIC PUBLISHERS (Rabat, Morocco) 7, (5), 647-655

This review presents the development of new kind of antibody/LDH (layered double hydroxides) hybrid nanomaterials for beta casein detection. The preparation method of the LDH is described. It is based on the co-precipitation of metallic salts in constant pH and temperature. The chosen LDH are hydrotalcites (Mg2AICO3, Mg3AICO3), Zaccagnaite: Zn2AICO3 and hydrocalumite: Ca 2AICI. Finally, the antibody is immobilized into the LDH materials using Layer-by-Layer method by autoassembly. In this work, we studied the surface properties of the prepared hybrid biomembranes using X-ray diffraction, Infrared spectroscopy in ATR mode and Atomic Force Microscopy (AFM). These techniques allow describing the antibody immobilization and its interactions with LDH. The antibody was adsorbed and its morphology was conserved in its new environment after more than 15 days continuously in PBS solution, promising a constant biosensor performance.

Keywords: Anti β-casein antibody, Antibody immobilization, Ldh hybrid biomaterials, Urea biosensors