Ceramics International, volume 47, issue 16, pages 23078-23087

Silica coating of Fe3O4 magnetic nanoparticles with PMIDA assistance to increase the surface area and enhance peptide immobilization efficiency

Publication typeJournal Article
Publication date2021-08-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.2
ISSN02728842
Materials Chemistry
Surfaces, Coatings and Films
Ceramics and Composites
Electronic, Optical and Magnetic Materials
Process Chemistry and Technology
Abstract
The high efficiency of using N -(phosphonomethyl)iminodiacetic acid (PMIDA) as a surfactant for formation of a silica coating on Fe 3 O 4 magnetic nanoparticles (MNPs) with a large surface area has been demonstrated. The coating of PMIDA-stabilized MNPs with silica and their further APS-functionalization significantly increased the specific area (up to 203 m 2 g −1 ) and the number of amino groups (up to 1.12 mmol/g) grafted on their surface compared to nanomaterials synthesized without preliminary SiO 2 -coating. The comparative study of the peptide modification efficiency, using as an example pH-low insertion peptide (pHLIP), of MNPs coated with 3-aminopropylsilane (APS) or SiO 2 /APS was carried out. It has been shown that silica coating of PMIDA-stabilized MNPs leads to a significant increase in the degree of immobilization of the peptide (up to 22 μmol per g of MNPs). Comprehensive characterization of the obtained materials at each stage of the synthesis was carried out using scanning electron microscopy (SEM), energy dispersive X-ray fluorescence spectroscopy (EDX), BET analysis, ATR Fourier transformed infrared spectroscopy (FTIR), termogravimetric analysis (TGA), CHN-elemental analysis, dynamic light scattering (DLS), and vibrating sample magnetometry (VSM). The proposed approach to applying SiO 2 -coating of MNPs can be useful for design of new materials for biomedical and chemical purposes.

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Demin A. V. et al. Silica coating of Fe3O4 magnetic nanoparticles with PMIDA assistance to increase the surface area and enhance peptide immobilization efficiency // Ceramics International. 2021. Vol. 47. No. 16. pp. 23078-23087.
GOST all authors (up to 50) Copy
Demin A. V., Maksimovskikh A. I., Mekhaev A. V., Kuznetsov D. K., Minin A. S., Pershina A. G., Uimin M. A., Shur V. Y., Krasnov V. P., Kuznetsov D., Uimin M. Silica coating of Fe3O4 magnetic nanoparticles with PMIDA assistance to increase the surface area and enhance peptide immobilization efficiency // Ceramics International. 2021. Vol. 47. No. 16. pp. 23078-23087.
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TY - JOUR
DO - 10.1016/j.ceramint.2021.04.310
UR - https://doi.org/10.1016%2Fj.ceramint.2021.04.310
TI - Silica coating of Fe3O4 magnetic nanoparticles with PMIDA assistance to increase the surface area and enhance peptide immobilization efficiency
T2 - Ceramics International
AU - Demin, Alexander V.
AU - Maksimovskikh, Aleksei I
AU - Mekhaev, Alexander V
AU - Kuznetsov, Dmitry K
AU - Minin, Artyom S
AU - Pershina, Alexandra G.
AU - Uimin, Mikhail A
AU - Shur, Vladimir Ya.
AU - Krasnov, Victor P.
AU - Kuznetsov, D
AU - Uimin, M.A.
PY - 2021
DA - 2021/08/01 00:00:00
PB - Elsevier
SP - 23078-23087
IS - 16
VL - 47
SN - 0272-8842
ER -
BibTex |
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@article{2021_Demin
author = {Alexander V. Demin and Aleksei I Maksimovskikh and Alexander V Mekhaev and Dmitry K Kuznetsov and Artyom S Minin and Alexandra G. Pershina and Mikhail A Uimin and Vladimir Ya. Shur and Victor P. Krasnov and D Kuznetsov and M.A. Uimin},
title = {Silica coating of Fe3O4 magnetic nanoparticles with PMIDA assistance to increase the surface area and enhance peptide immobilization efficiency},
journal = {Ceramics International},
year = {2021},
volume = {47},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016%2Fj.ceramint.2021.04.310},
number = {16},
pages = {23078--23087},
doi = {10.1016/j.ceramint.2021.04.310}
}
MLA
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MLA Copy
Demin, Alexander V., et al. “Silica coating of Fe3O4 magnetic nanoparticles with PMIDA assistance to increase the surface area and enhance peptide immobilization efficiency.” Ceramics International, vol. 47, no. 16, Aug. 2021, pp. 23078-23087. https://doi.org/10.1016%2Fj.ceramint.2021.04.310.
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