OPTICAL SPECKLE-FIELD VISIBILITY DIMINISHING BY REDUCTION OF A TEMPORAL COHERENCE

Autor: Mikhaylo Vasnetsov, Valeriy Voytsekhovich, Vladislav Ponevchinsky, Nataliia Kachalova, Alina Khodko, Oleksanr Mamuta, Volodymyr Pavlov, Vadym Khomenko, Natalia Manicheva

Publikováno v: Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, Vol 14, Iss 1 (2024)

The paper is a report of an experimental study to suppress the speckle structure of a coherent optical field. The technique proposed is based on the reduction of the temporal coherence utilizing enriching the output spectrum of Nd:YVO4 laser with int

Externí odkaz: https://doaj.org/article/37e0469c24dc4754a387dd82b766ac89

Multifunctional Magneto-Plasmonic Fe3O4/Au Nanocomposites: Approaching Magnetophoretically-Enhanced Photothermal Therapy

Autor: Iuliia Mukha, Oksana Chepurna, Nadiia Vityuk, Alina Khodko, Liudmyla Storozhuk, Volodymyr Dzhagan, Dietrich R.T. Zahn, Vasilis Ntziachristos, Andriy Chmyrov, Tymish Y. Ohulchanskyy

Publikováno v: Nanomaterials, Vol 11, Iss 5, p 1113 (2021)

Magneto-plasmonic nanocomposites can possess properties inherent to both individual components (iron oxide and gold nanoparticles) and are reported to demonstrate high potential in targeted drug delivery and therapy. Herein, we report on Fe3O4/Au mag

Externí odkaz: https://doaj.org/article/e362a53fc183492f999a258812521fbe

Photo- and temperature-dependent formation of tryptophan/silver nanoparticles

Autor: N. Vityuk, M. Malysheva, Alina Khodko, Anna Eremenko, Iu. Mukha, O. Fedyshyn, O. N. Kachalova

Publikováno v: Research on Chemical Intermediates. 45:4053-4066

Amino acid tryptophan is an advantageous reagent for preparation of biocompatible noble metal nanoparticles as promising anticancer agents. The reduction of metal ions in the presence of tryptophan proceeds through the indole moiety of the molecule.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01bde28484b23a395d626b28cd12c7b1
https://doi.org/10.1007/s11164-019-03890-5

Ultrafast ring-closing reaction dynamics of a photochromic furan-based difurylethene

Autor: Yevhen Shynkarenko, Alina Khodko, O. Mamuta, Dmytro Sysoiev, N. M. Kachalova, Thomas Huhn, S. V. Snegir, V. M. Khomenko, Oleksiy L. Kapitanchuk

Publikováno v: Chemical Physics Letters. 669:156-160

The ultrafast photoinduced ring-closing dynamics of a furan-based difurylethene (YnPhT) has been investigated by femtosecond transient absorption spectroscopy. We performed time-dependent density functional theory (TD-DFT) calculations to explain the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a93f72a8677a73a8eac3abe2a0793fc
https://doi.org/10.1016/j.cplett.2016.12.034

Optical Properties of Gold Nanoparticles Decorated with Furan-based Diarylethene Photochromic Molecules

Autor: Dmytro Sysoiev, Alina Khodko, S. V. Snegir, Olivier Pluchery, Emanuelle Lacaze, Thomas Huhn

Publikováno v: Journal of Photochemistry and Photobiology A: Chemistry
Journal of Photochemistry and Photobiology A: Chemistry, 2017, 342, pp.78-84. ⟨10.1016/j.jphotochem.2017.04.003⟩
Journal of Photochemistry and Photobiology A: Chemistry, Elsevier, 2017, 342, pp.78-84. ⟨10.1016/j.jphotochem.2017.04.003⟩

International audience; The optical properties of the photochromic 1,2-bis(2-methyl-5-((4-mercaptophenyl)ethynyl)-furan-3-yl)perfluorocyclopentene (YnPhT) covalently attached to gold nanoparticles (AuNP) (d = 17 ± 1 nm) were studied in air at ambien

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0ce517782e5b135c2780f7498a5aaa7
https://hal.sorbonne-universite.fr/hal-01504547/file/Snegir_Optical_Properties.pdf