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Synthesis and Characterization of the First Generation of Polyamino-Ester Dendrimer-Grafted Magnetite Nanoparticles from 3-Aminopropyltriethoxysilane (APTES) via the Convergent Approach

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Abstract

3-aminopropyltriethoxysilane was acrylated using the Michael addition reaction. After that, magnetite nanoparticles were coupled with the silane dispersion. The structure of poly(amino-ester) dendrons grafted on the surface of magnetite nanoparticles was characterized by FTIR spectroscopy and thermogravimetric analysis. Generally, in the convergent method structural control is better than in the divergent one due to its relatively low number of reactions at each growth step. Therefore, the number of dendrons grafted onto the surface of magnetite nanoparticles increase via convergent synthesis. Moreover, the analysis showed that the prepared nanoparticles had nanometric size, low polydispersity and high yield.

A Convergent Approach for the Preparation of the First Generation of Polyamino-Ester Dendrimer-Grafted Magnetite Nanoparticles from 3-Aminopropyltriethoxysilane (APTES)

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Authors and Affiliations

  1. Department of Chemistry, University of Zanjan, P.O. Box 45195-313, Zanjan, Iran

    Nahid Dayyani & Ali Ramazani

  2. Polymer Laboratory, Chemistry Department, School of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran

    Sepideh Khoee

  3. Department of Medicinal Chemistry, Faculty of Pharmacy, Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, Iran

    Abbas Shafiee

Authors
  1. Nahid Dayyani
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  2. Ali Ramazani
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  3. Sepideh Khoee
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  4. Abbas Shafiee
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Correspondence to Ali Ramazani.

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Dayyani, N., Ramazani, A., Khoee, S. et al. Synthesis and Characterization of the First Generation of Polyamino-Ester Dendrimer-Grafted Magnetite Nanoparticles from 3-Aminopropyltriethoxysilane (APTES) via the Convergent Approach. Silicon 10, 595–601 (2018). https://doi.org/10.1007/s12633-016-9497-6

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  • DOI: https://doi.org/10.1007/s12633-016-9497-6

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