I am trying to know if the dendrimer can be covalently bonded to the amine-functionalized magnetic nanoparticles' surface (modified with APTES), if I am only adding pre-synthesized ready dendrimer to the functionalized MNPs, mixing and sonicating them under 70 °C, rather than growing the dendrimer on the MNPs surface which requires a repetition of two type of reaction: alkylation of amine groups through adding methyl acrylate, and then amidation of esters group.
Is it possible for the secondary amine in the amine-functionalized MNPs to form amide through Acylation with Carboxylate salt from sodium carboxylate found in the dendrimer?
Moreover, what is the required test / characterization method required to determine if there is a new bond formed between dendrimer and amine-functionalized MNPs' surface, and how to determine its type (physically or chemically adsorbed / bonded)?
the PAMAM-COO Na dendrimer of G 1.5 structure is attached along with the amine-functionalized MNPs structure.
Thank you
Please read this paper you will find the answer
Chemical insight into the adsorption of reactive wool dyes onto amine-functionalized magnetite/silica core-shell from industrial wastewaters | SpringerLink.
Thank you for your answer Amir Sepehrianazar , can you please specify the electrostatic bond will be between which groups ?
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