Colloid and Polymer Science, volume 299, issue 10, pages 1543-1555
Evaluation of critical packing parameter in the series of polytyrosine-PEG amphiphilic copolymers
Zotkin Maxim A
2
,
Dets Elizabeth A
1
,
Abramchuk Sergei S
1, 3, 4
,
Arutyunian Alexander M
5
,
Grozdova Irina D
1
,
Melik Nubarov Nikolay S
1
Publication type: Journal Article
Publication date: 2021-08-14
Journal:
Colloid and Polymer Science
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor: 2.4
ISSN: 0303402X, 14351536
Materials Chemistry
Physical and Theoretical Chemistry
Colloid and Surface Chemistry
Polymers and Plastics
Abstract
Here, we report on the evaluation of critical packing parameters, PC, of L-tyrosine and ethylene glycol (PEG) amphiphilic block copolymers. The copolymers were synthesized via L-tyrosine-N-carboxyanhydride ring-opening polymerization using different amino-terminated PEGs as macroinitiators. The size and shape of their associates formed in water were investigated by transmission electron microscopy and dynamic and static light scatterings. The copolymers containing 20–30 wt. % of Tyr formed rod-like micelles. The copolymers with 30–50 wt. % of Tyr formed spherical vesicles, while those with 50–80 wt. % Tyr formed irregularly shaped polymeric nanoparticles. PC of the copolymers was estimated as the ratio of the van der Waals volume of the hydrophobic block (V) to its length (L) and the cross-sectional area of the polar block (SH). The values of SH for each copolymer were calculated according to the equation obtained from the correlation analysis of the published data. The hydrophobic block length L was calculated in three ways, i.e., assuming that polytyrosine adopts (1) stretched, (2) amyloid hairpin, or (3) Gaussian coil conformation. In the latter case, the best match of the calculated PC values with the morphology of the copolymer assemblies was observed.
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Iakimov N. P. et al. Evaluation of critical packing parameter in the series of polytyrosine-PEG amphiphilic copolymers // Colloid and Polymer Science. 2021. Vol. 299. No. 10. pp. 1543-1555.
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Iakimov N. P., Zotkin M. A., Dets E. A., Abramchuk S. S., Arutyunian A. M., Grozdova I. D., Melik Nubarov N. S. Evaluation of critical packing parameter in the series of polytyrosine-PEG amphiphilic copolymers // Colloid and Polymer Science. 2021. Vol. 299. No. 10. pp. 1543-1555.
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TY - JOUR
DO - 10.1007/s00396-021-04853-2
UR - https://doi.org/10.1007%2Fs00396-021-04853-2
TI - Evaluation of critical packing parameter in the series of polytyrosine-PEG amphiphilic copolymers
T2 - Colloid and Polymer Science
AU - Iakimov, Nikolai P
AU - Zotkin, Maxim A
AU - Dets, Elizabeth A
AU - Abramchuk, Sergei S
AU - Arutyunian, Alexander M
AU - Grozdova, Irina D
AU - Melik Nubarov, Nikolay S
PY - 2021
DA - 2021/08/14 00:00:00
PB - Springer Nature
SP - 1543-1555
IS - 10
VL - 299
SN - 0303-402X
SN - 1435-1536
ER -
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@article{2021_Iakimov,
author = {Nikolai P Iakimov and Maxim A Zotkin and Elizabeth A Dets and Sergei S Abramchuk and Alexander M Arutyunian and Irina D Grozdova and Nikolay S Melik Nubarov},
title = {Evaluation of critical packing parameter in the series of polytyrosine-PEG amphiphilic copolymers},
journal = {Colloid and Polymer Science},
year = {2021},
volume = {299},
publisher = {Springer Nature},
month = {aug},
url = {https://doi.org/10.1007%2Fs00396-021-04853-2},
number = {10},
pages = {1543--1555},
doi = {10.1007/s00396-021-04853-2}
}
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Iakimov, Nikolai P., et al. “Evaluation of critical packing parameter in the series of polytyrosine-PEG amphiphilic copolymers.” Colloid and Polymer Science, vol. 299, no. 10, Aug. 2021, pp. 1543-1555. https://doi.org/10.1007%2Fs00396-021-04853-2.