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Immobilisation of antibody-antigen is mediated by which type of interaction?

Immobilisation of antibody-antigen is mediated by which type of interaction? Correct Answer Hydrophobic interaction

Antibody-antigen interaction is hydrophobic hence their immobilization is mediated by hydrophobic interactions only. Their interaction can also be covalent depending upon the valency of both, antigen and antibody. It also depends on the size of these molecules that perform immobilization in order to interact with one another. Usually, proteins are preferred in such cases as they show a great and quick response during immobilisation due to their ions.  

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