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- 저자 : Stepanenko, Dimitrije (검색결과 3 건)
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Lee, Ji-Eun,Stepanenko, Vladimir,Yang, Jaesung,Yoo, Hyejin,Schlosser, Felix,Bellinger, Daniel,Engels, Bernd,Scheblykin, Ivan G.,Wü,rthner, Frank,Kim, Dongho American Chemical Society 2013 ACS NANO Vol.7 No.6
<P>Properties of a series of acetylene-linked perylene bisimide (PBI) macrocycles with different ring size composed of three to six PBI dyes were investigated by atomic force microscopy (AFM) and single-molecule fluorescence spectroscopy in a condensed phase. It was demonstrated that the structures of PBI cyclic arrays (C<I>N</I>s, <I>N</I> = 3, 4, 5, and 6) become distorted with increasing the ring size through molecular dynamics (MD) simulations (PM6-DH2 method) and AFM height images of C<I>N</I>s on highly ordered pyrolytic graphite (HOPG) surface. The MD simulations showed that only <B>C5</B> and <B>C6</B> rings are highly flexible molecules whose planarization goes along with a significant energetic penalty. Accordingly, both molecules did not show ordered adlayers on a HOPG surface. In contrast, <B>C3</B> and <B>C4</B> are far more rigid molecules leading to well-ordered hexagonal (<B>C3</B>) and rectangular (<B>C4</B>) 2D lattices. At the single-molecule level, we showed that the fluorescence properties of single C<I>N</I>s are affected by the structural changes. The fluorescence lifetimes of C<I>N</I>s became shorter and their distributions became broader due to the structural distortions with increasing the ring size. Furthermore, the C<I>N</I>s of smaller ring size exhibit a higher photostability and an efficient excitation energy transfer (EET) due to the more well-defined and planar structures compared to the larger C<I>N</I>s. Consequently, these observations provide evidence that not only PBI macrocycles are promising candidates for artificial light-harvesting systems, but also the photophysical properties of C<I>N</I>s are strongly related to the structural rigidity of C<I>N</I>s.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2013/ancac3.2013.7.issue-6/nn400616u/production/images/medium/nn-2013-00616u_0012.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn400616u'>ACS Electronic Supporting Info</A></P>
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Buglimova, Olga V.,Goncharov, Igor,Malinenko, Elvira,Matveeva, Natalya,Stepanenko, Yuri,Chernichkina, Galina International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.7
The article aims at studying the institution of human rights in an ever-evolving world in the context of the interdisciplinary approach. The main scientific method was deduction that allowed examining the specific interdisciplinary approach in relation to the institution of human rights on the global scale. To solve the issue set, it is necessary to study legal foundations and features of the interdisciplinary approach to the institution of human rights in the modern world. The article proves there is no theoretical anthropological understanding of the institution of human rights. It has been concluded that the appeal to anthropological jurisprudence requires the identification of the initial theoretical and methodological principles, parameters and axioms of cognition, the integration of a person into the subject field of legal science, linking jurisprudence with the chosen external environment (philosophy, sociology, theology, etc.), predetermining the existence (understanding) of a person, causing qualitative differences and the structure of subject-methodological phenomena. In addition to the identification of such hypotheses, prerequisites and axioms, the basic method (principle) of cognition and its heuristic potential are also being searched (defined). The terminological designation of the formed subject-methodological phenomenon (legal anthropology, anthropology of law, anthropological approach, etc.) reveals its role in the system of interdisciplinary relations of legal science.
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