Journal of Physical Chemistry Letters, volume 12, issue 29, pages 6804-6811
Effects of Macromolecular Crowding on Nanoparticle Diffusion: New Insights from Mössbauer Spectroscopy
Yurenya Anton Yu
2, 3
,
Gabbasov Raul
3
,
Cherepanov Valeriy M
3
,
Polikarpov Mikhail A
3
,
Chuev Michael A
4
,
Panchenko Vladislav Ya.
2, 3
,
Publication type: Journal Article
Publication date: 2021-07-16
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 5.7
ISSN: 19487185
Physical and Theoretical Chemistry
General Materials Science
Abstract
In this work, we used Mossbauer spectroscopy as a new approach for experimental quantification of the self-diffusion coefficient (DMossbauer) and hydrodynamic (HD) size of iron-containing nanoparticles (NPs) in complex crowded solutions, mimicking cell cytoplasm. As a probe, we used 9 nm cobalt ferrite NPs (CFNs) dispersed in solutions of bovine serum albumin (BSA) with a volume fraction (φBSA) of 0-0.2. Our results show that the broadening of Mossbauer spectra is highly sensitive to the diffusion of CFNs, while when φBSA = 0.2, the CFN-normalized diffusivity is reduced by 86% compared to that of a protein-free solution. CFN colloids were also studied by dynamic light scattering (DLS). Comparison of the experimental data shows that DLS significantly underestimates the diffusion coefficient of CFNs and, consequently, overestimates the HD size of CFNs at φBSA > 0, which cannot be attributed to the formation of the BSA monolayer on the surface of CFNs.
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Citations by publishers
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Nikitin A. A. et al. Effects of Macromolecular Crowding on Nanoparticle Diffusion: New Insights from Mössbauer Spectroscopy // Journal of Physical Chemistry Letters. 2021. Vol. 12. No. 29. pp. 6804-6811.
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Nikitin A. A., Yurenya A. Yu., Gabbasov R., Cherepanov V. M., Polikarpov M. A., Chuev M. A., Majouga A. G., Panchenko V. Y., Abakumov M. A. Effects of Macromolecular Crowding on Nanoparticle Diffusion: New Insights from Mössbauer Spectroscopy // Journal of Physical Chemistry Letters. 2021. Vol. 12. No. 29. pp. 6804-6811.
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TY - JOUR
DO - 10.1021/acs.jpclett.1c01984
UR - https://doi.org/10.1021%2Facs.jpclett.1c01984
TI - Effects of Macromolecular Crowding on Nanoparticle Diffusion: New Insights from Mössbauer Spectroscopy
T2 - Journal of Physical Chemistry Letters
AU - Yurenya, Anton Yu
AU - Cherepanov, Valeriy M
AU - Polikarpov, Mikhail A
AU - Panchenko, Vladislav Ya.
AU - Chuev, Michael A
AU - Nikitin, Aleksey A
AU - Majouga, Alexander G.
AU - Abakumov, Maxim A.
AU - Gabbasov, Raul
PY - 2021
DA - 2021/07/16 00:00:00
PB - American Chemical Society (ACS)
SP - 6804-6811
IS - 29
VL - 12
SN - 1948-7185
ER -
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@article{2021_Nikitin,
author = {Anton Yu Yurenya and Valeriy M Cherepanov and Mikhail A Polikarpov and Vladislav Ya. Panchenko and Michael A Chuev and Aleksey A Nikitin and Alexander G. Majouga and Maxim A. Abakumov and Raul Gabbasov},
title = {Effects of Macromolecular Crowding on Nanoparticle Diffusion: New Insights from Mössbauer Spectroscopy},
journal = {Journal of Physical Chemistry Letters},
year = {2021},
volume = {12},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021%2Facs.jpclett.1c01984},
number = {29},
pages = {6804--6811},
doi = {10.1021/acs.jpclett.1c01984}
}
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Nikitin, Aleksey A., et al. “Effects of Macromolecular Crowding on Nanoparticle Diffusion: New Insights from Mössbauer Spectroscopy.” Journal of Physical Chemistry Letters, vol. 12, no. 29, Jul. 2021, pp. 6804-6811. https://doi.org/10.1021%2Facs.jpclett.1c01984.