DEVELOPMENT OF X-RAY METHODS FOR STUDYING PROTEIN PLANAR SYSTEMS ON A LIQUID SURFACE USING SYNCHROTRON RADIATION
- Autores: Folomeshkin M.S.1,2, Blagov A.E.1,2, Boikova A.S.3, Volkovsky Y.A.1,2, Dyakova Y.A.4,3, Ilina K.B.4,3, Marchenkova M.A.4,3, Pisarevsky Y.V.1,2, Prosekov P.A.1,2, Rogachev A.V.3, Seregin A.Y.1,2, Kovalchuk M.V.1,2,5
- 
							Afiliações: 
							- National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia
- Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia
- National Research Centre “Kurchatov Institute,” Moscow, 123182 Russia
- Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
- St. Petersburg State University, 199034, St.Petersburg, Russia
 
- Edição: Volume 68, Nº 1 (2023)
- Páginas: 86-93
- Seção: ПОВЕРХНОСТЬ, ТОНКИЕ ПЛЕНКИ
- URL: https://cardiosomatics.ru/0023-4761/article/view/673554
- DOI: https://doi.org/10.31857/S0023476123010083
- EDN: https://elibrary.ru/DOLMPH
- ID: 673554
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		                                					Resumo
The structure of Langmuir lysozyme films on a liquid surface, formed from crystallization solutions with addition of metal chlorides as a precipitant, have been investigated. The thicknesses and densities of the films were determined using the X-ray reflectivity technique, and the concentration distribution profiles of the sulfur atoms present in protein molecules, as well as precipitant ions in the subphase surface region, have been obtained by the X-ray standing waves technique. Based on the experimental results, the dependence of the film structure on the precipitant used, as well as some specific features of application of X-ray reflectivity and X-ray standing waves techniques in the study of Langmuir films of globular proteins on a liquid surface, are analyzed.
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Sobre autores
M. Folomeshkin
National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia; Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
A. Blagov
National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia; Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
A. Boikova
National Research Centre “Kurchatov Institute,” Moscow, 123182 Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва						
Yu. Volkovsky
National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia; Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
Yu. Dyakova
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia; National Research Centre “Kurchatov Institute,” Moscow, 123182 Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
K. Ilina
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia; National Research Centre “Kurchatov Institute,” Moscow, 123182 Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
M. Marchenkova
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia; National Research Centre “Kurchatov Institute,” Moscow, 123182 Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
Yu. Pisarevsky
National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia; Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
P. Prosekov
National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia; Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
A. Rogachev
National Research Centre “Kurchatov Institute,” Moscow, 123182 Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва						
A. Seregin
National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia; Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia
														Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва						
M. Kovalchuk
National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia; Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia; St. Petersburg State University, 199034, St.Petersburg, Russia
							Autor responsável pela correspondência
							Email: folmaxim@gmail.com
				                					                																			                												                								Россия, Москва; Россия, Москва; Россия, Санкт-Петербург						
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