Star-Shaped Poly(2-ethyl-2-oxazoline) and Poly(2-isopropyl-2-oxazoline) with Central Thiacalix[4]Arene Fragments: Reduction and Stabilization of Silver Nanoparticles

The interaction of silver nitrate with star-shaped poly(2-ethyl-2-oxazoline) and poly(2-isopropyl-2-oxazoline) containing central thiacalix[4]arene cores, which proceeds under visible light in aqueous solutions at ambient temperature, was studied. It was found that this process led to the formation...

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Autores principales: Lezov, Alexey, Gubarev, Alexander, Mikhailova, Maria, Lezova, Alexandra, Mikusheva, Nina, Kalganov, Vladimir, Dudkina, Marina, Ten’kovtsev, Andrey, Nekrasova, Tatyana, Andreeva, Larisa, Saprykina, Natalia, Smyslov, Ruslan, Gorshkova, Yulia, Romanov, Dmitriy, Höppener, Stephanie, Perevyazko, Igor, Tsvetkov, Nikolay
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6960741/
https://www.ncbi.nlm.nih.gov/pubmed/31817077
http://dx.doi.org/10.3390/polym11122006
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author Lezov, Alexey
Gubarev, Alexander
Mikhailova, Maria
Lezova, Alexandra
Mikusheva, Nina
Kalganov, Vladimir
Dudkina, Marina
Ten’kovtsev, Andrey
Nekrasova, Tatyana
Andreeva, Larisa
Saprykina, Natalia
Smyslov, Ruslan
Gorshkova, Yulia
Romanov, Dmitriy
Höppener, Stephanie
Perevyazko, Igor
Tsvetkov, Nikolay
author_facet Lezov, Alexey
Gubarev, Alexander
Mikhailova, Maria
Lezova, Alexandra
Mikusheva, Nina
Kalganov, Vladimir
Dudkina, Marina
Ten’kovtsev, Andrey
Nekrasova, Tatyana
Andreeva, Larisa
Saprykina, Natalia
Smyslov, Ruslan
Gorshkova, Yulia
Romanov, Dmitriy
Höppener, Stephanie
Perevyazko, Igor
Tsvetkov, Nikolay
author_sort Lezov, Alexey
collection PubMed
description The interaction of silver nitrate with star-shaped poly(2-ethyl-2-oxazoline) and poly(2-isopropyl-2-oxazoline) containing central thiacalix[4]arene cores, which proceeds under visible light in aqueous solutions at ambient temperature, was studied. It was found that this process led to the formation of stable colloidal solutions of silver nanoparticles. The kinetics of the formation of the nanoparticles was investigated by the observation of a time-dependent increase in the intensity of the plasmon resonance peak that is related to the nanoparticles and appears in the range of 400 to 700 nm. According to the data of electron and X-ray spectroscopy, scanning and transmission electron microscopy, X-ray diffraction analysis, and dynamic light scattering, the radius of the obtained silver nanoparticles is equal to 30 nm. In addition, the flow birefringence experiments showed that solutions of nanoparticles have high optical shear coefficients.
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spelling pubmed-69607412020-01-23 Star-Shaped Poly(2-ethyl-2-oxazoline) and Poly(2-isopropyl-2-oxazoline) with Central Thiacalix[4]Arene Fragments: Reduction and Stabilization of Silver Nanoparticles Lezov, Alexey Gubarev, Alexander Mikhailova, Maria Lezova, Alexandra Mikusheva, Nina Kalganov, Vladimir Dudkina, Marina Ten’kovtsev, Andrey Nekrasova, Tatyana Andreeva, Larisa Saprykina, Natalia Smyslov, Ruslan Gorshkova, Yulia Romanov, Dmitriy Höppener, Stephanie Perevyazko, Igor Tsvetkov, Nikolay Polymers (Basel) Article The interaction of silver nitrate with star-shaped poly(2-ethyl-2-oxazoline) and poly(2-isopropyl-2-oxazoline) containing central thiacalix[4]arene cores, which proceeds under visible light in aqueous solutions at ambient temperature, was studied. It was found that this process led to the formation of stable colloidal solutions of silver nanoparticles. The kinetics of the formation of the nanoparticles was investigated by the observation of a time-dependent increase in the intensity of the plasmon resonance peak that is related to the nanoparticles and appears in the range of 400 to 700 nm. According to the data of electron and X-ray spectroscopy, scanning and transmission electron microscopy, X-ray diffraction analysis, and dynamic light scattering, the radius of the obtained silver nanoparticles is equal to 30 nm. In addition, the flow birefringence experiments showed that solutions of nanoparticles have high optical shear coefficients. MDPI 2019-12-04 /pmc/articles/PMC6960741/ /pubmed/31817077 http://dx.doi.org/10.3390/polym11122006 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Lezov, Alexey
Gubarev, Alexander
Mikhailova, Maria
Lezova, Alexandra
Mikusheva, Nina
Kalganov, Vladimir
Dudkina, Marina
Ten’kovtsev, Andrey
Nekrasova, Tatyana
Andreeva, Larisa
Saprykina, Natalia
Smyslov, Ruslan
Gorshkova, Yulia
Romanov, Dmitriy
Höppener, Stephanie
Perevyazko, Igor
Tsvetkov, Nikolay
Star-Shaped Poly(2-ethyl-2-oxazoline) and Poly(2-isopropyl-2-oxazoline) with Central Thiacalix[4]Arene Fragments: Reduction and Stabilization of Silver Nanoparticles
title Star-Shaped Poly(2-ethyl-2-oxazoline) and Poly(2-isopropyl-2-oxazoline) with Central Thiacalix[4]Arene Fragments: Reduction and Stabilization of Silver Nanoparticles
title_full Star-Shaped Poly(2-ethyl-2-oxazoline) and Poly(2-isopropyl-2-oxazoline) with Central Thiacalix[4]Arene Fragments: Reduction and Stabilization of Silver Nanoparticles
title_fullStr Star-Shaped Poly(2-ethyl-2-oxazoline) and Poly(2-isopropyl-2-oxazoline) with Central Thiacalix[4]Arene Fragments: Reduction and Stabilization of Silver Nanoparticles
title_full_unstemmed Star-Shaped Poly(2-ethyl-2-oxazoline) and Poly(2-isopropyl-2-oxazoline) with Central Thiacalix[4]Arene Fragments: Reduction and Stabilization of Silver Nanoparticles
title_short Star-Shaped Poly(2-ethyl-2-oxazoline) and Poly(2-isopropyl-2-oxazoline) with Central Thiacalix[4]Arene Fragments: Reduction and Stabilization of Silver Nanoparticles
title_sort star-shaped poly(2-ethyl-2-oxazoline) and poly(2-isopropyl-2-oxazoline) with central thiacalix[4]arene fragments: reduction and stabilization of silver nanoparticles
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6960741/
https://www.ncbi.nlm.nih.gov/pubmed/31817077
http://dx.doi.org/10.3390/polym11122006
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