Имитационное моделирование конформационных изменений мембранного белка KCNQ1 под действием внешнего статического электрического поля

Мамасахлисов Е.Ш. (РАУ, ЕрГУ, ИППФ, Армения), Витя Варданян (Институт молекулярной биологии НАН РА) В качестве модельной системы рассматривался белок представленный в pdb-файле 8SIN (рис. 1), состоящий из четырех мономерных белков. Рис. 1. Белок KCNQ1 в «нижней» конформации Для изучения его конформационных изменений под действием внешнего электрического поля была создана система, …

Enhanced discharge robustness of large-scale resistive WEM detectors with diamond-like carbon anode

V. Bayev, K. Afanaciev, S. Movchan, A. Kashchuk, O. Levitskaya, V. Akulich and V. Konovalov A prototype of the large-scale resistive WEM (Well Electron Multiplier) detector with enhanced discharge robustness was developed, produced and tested. The WEM detector is composed of a perforated board (500 µm thick with drilled holes …

Electronic Properties of Pristine and Doped Graphitic Germanium Carbide Nanomeshes

Majed Abdel Salam Nashaat Moharram AbdelGhani (Sarah Gamal, M. Nashaat, Lobna Salah, Nageh Allam and Ahmed A Maarouf) Graphitic germanium carbide (g-GeC) is a novel material that has recently aroused much interest. Porous g-GeC can be fabricated by forming a lattice of pores in pristine g-GeC. In this work, we systematically …

Buzdin, Shapiro, and chimera steps in φ₀ Josephson junctions

Majed Abdel Salam Nashaat Moharram AbdelGhani (Yu. M. Shukrinov, E. Kovalenko, J. Tekić, K. Kulikov, and M. Nashaat) The unique resonance and locking phenomena in the superconductor-ferromagnet-superconductor φ₀ Josephson junction under external electromagnetic radiation are demonstrated when not just the electric but also the magnetic component of external radiation is taken …

Resonance phenomena in a nanomagnet coupled to a Josephson junction under external periodic drive

Majed Abdel Salam Nashaat Moharram AbdelGhani (K. V. Kulikov, D. V. Anghel, M. Nashaat, M. Dolineanu, M. Sameh, and Yu. M. Shukrinov) We investigate resonance phenomena in a system consisting of a nanomagnet coupled to a Josephson junction under external periodic drive. The coupling in the system leads to the appearance …

Study Defects Formation Mechanism in La₁₋ₓBaₓ MnO₃ Perovskite Manganite by Positron Annihilation Lifetime and Doppler Broadening Spectroscopy

Nguyen Vu Minh Trung (Jabarov, S. H.; Nabiyeva, A. Kh.; Samadov, S. F.; Abiyev, A. S.; Sidorin, A. A.; Trung, N. V. M.; Orlov, O. S.; Mauyey, B.; Trukhanov, S. V.; Trukhanov, A. V.; Mirzayev, M. N.) In this study, La1-xBaxMnO3 (x = 0.03, 0.27, 0.5) solid solutions were synthesized, and their structure and defect incorporation …

Solid-State Crystallization, Oxygen-Vacancy Rich Mesopores and Stable Triad-Silanol Nests in ZSM-5 Catalyst Induced by Electron-Beam Irradiation and Calcination

Nguyen Vu Minh Trung (Nguyen, L. L.; Xuan, T. D.; Van Chung, C.; Nguyen, L. P.; Phuong, N. T.; Hue, P. T.; Hue, N. T. N.; Van Tiep, N.; Trung, N. V. M.; Drozdziel, A.; Turek, M.; Pyszniak, K.; Kiet, H. A. T.; Nguyen, H.-D.; Pham, T.-P. T.; Anh, N. N.; …

Investigating the Impact of Gamma Irradiation and Temperature on Vacancy Formation and Recombination in ZrB₂ Ceramics Using Positron Annihilation Spectroscopy

Nguyen Vu Minh Trung (Samadov, S. F.; Trung, N. V. M.; Donkov, A. A.; Sidorin, A. A.; Orlov, O. S.; Demir, E.; Samedov, O. A.; Jabarov, S. H.; Tiep, N. V.; Popov, E. P.; Mirzayev, M. N.) In the presented work, the mechanism of evolution of defects in the crystalline structure …

Investigating the Crystal Structure of ZrB₂ under Varied Conditions of Temperature, Pressure, and Swift Heavy Ion Irradiation

Nguyen Vu Minh Trung (Samadov, S. F.; Abiyev, A. S.; Asadov, A. G.; Trung, N. V. M.; Sidorin, A. A.; Samedov, O. A.; Popov, E. P.; Demir, E.; Vershinina, T.; Aliyev, Y. I.; Hasanov, K. M.; Mirzayev, M. N.) The influence of temperature, pressure, and swift heavy ions on the structural characteristics of …

Evaluation of Nanocrystalline ZrC under Gamma Irradiation and High Pressure

Nguyen Vu Minh Trung (Samadov, S. F.; Asadov, A. G.; Abiyev, A. S.; Demir, E.; Samedov, O. A.; Trung, N. V. M.; Mustafayev, I. I.; Kaminski, G.; Mirzayev, M. N.) Zirconium carbide (ZrC) is known for its exceptional properties, positioning it as a leading ultrahigh-temperature ceramic for diverse applications such as coating, …