Naman Katyal

Postdoctoral Researcher



Materials Science Division

Berkeley National Laboratory



Synthesis of self-assembled siloxane–polyindole–gold nanoparticle polymeric nanofluid for biomedical membranes


Journal article


P. Pandey, Naman Katyal, G. Pandey, R. Narayan
2020

Semantic Scholar DOI
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APA   Click to copy
Pandey, P., Katyal, N., Pandey, G., & Narayan, R. (2020). Synthesis of self-assembled siloxane–polyindole–gold nanoparticle polymeric nanofluid for biomedical membranes.


Chicago/Turabian   Click to copy
Pandey, P., Naman Katyal, G. Pandey, and R. Narayan. “Synthesis of Self-Assembled Siloxane–Polyindole–Gold Nanoparticle Polymeric Nanofluid for Biomedical Membranes” (2020).


MLA   Click to copy
Pandey, P., et al. Synthesis of Self-Assembled Siloxane–Polyindole–Gold Nanoparticle Polymeric Nanofluid for Biomedical Membranes. 2020.


BibTeX   Click to copy

@article{p2020a,
  title = {Synthesis of self-assembled siloxane–polyindole–gold nanoparticle polymeric nanofluid for biomedical membranes},
  year = {2020},
  author = {Pandey, P. and Katyal, Naman and Pandey, G. and Narayan, R.}
}

Abstract

In this paper, the Lewis base character of 3-aminopropyltrimethoxysilane (3-APTMS), an imine derivative of siloxane, and an indole monomer were shown to enable the reduction of gold cations in acetone. The Lewis acid–base adduct of indole monomers and gold formed a polyindole–gold nanoparticle sol. Similarly, the Lewis acid–base adduct of 3-APTMS and gold enabled the formation of gold nanoparticles in the presence of acetone. The polyindole–gold nanoparticle sol and siloxane–gold nanoparticles underwent self-assembly into a polymeric nanofluid that was suitable for casting membranes. The use of these membranes as a potentiometric ion sensor for both cations and anions was considered; a common nonspecific ion exchange molecule, sodium tetraphenylborate, and the polymeric nanofluid were used to prepare an anion sensor and a cation sensor.


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