Библиотека института физики им. Л.В. Киренского СО РАН

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Muzalevskiy K. V., Walke J. P., Brakhasi F., Ye N., Wu X., Shen X.
Заглавие : On the use of dual-polarized multi-angular observations of P-band brightness temperature for soil moisture profile retrieval in thawed mineral soil
Колич.характеристики :24 с
Место публикации : Int. J. Remote Sens. - 2024. - Vol. 45, Is. 5. - P.1498-1521. - ISSN 01431161 (ISSN), DOI 10.1080/01431161.2024.2313993. - ISSN 13665901 (eISSN)
Примечания : Cited References: 37. - The work was supported by the State assignment of Kirensky Institute of Physics [FWES-2021-0034]; Australian Research Council funding [DP170102373 and LE150100047]. The work was carried out within the state assignment of Kirensky Institute of Physics and the Australian Research Council funding (DP170102373 and LE150100047) that was used to collect the P-band data
Аннотация: This article investigated the possibility of remotely sensing the soil moisture profile in thawed soil from multi-angular dual-polarized brightness temperature (TB) observations at P-band frequencies of 750 MHz and 409 MHz using a modified Burke model. Moreover, it was found that an excellent agreement (coefficient of determination R2 = 0.999 and root-mean-square error (RMSE) no more than RMSE = 0.6 K) could be achieved between the Njoku coherent brightness temperature model and the modified Burke model by introducing a reflectivity from the air-soil interface that takes into account the phases of the multiple re-reflected waves in the underlying layers. Based on the modified Burke model, the depths from which apparent moisture and temperature could be retrieved in a dielectrically-inhomogeneous, non-isothermal soil were investigated, being approximately ten times less than the depth for which apparent soil temperature could be retrieved. In general, the thickness of the emitting layer depends on the TB look angle and polarization, along with the moisture and temperature profiles of the soil. It was also shown that due to the effect of the Brewster angle, the H-polarization of TB was twice as sensitive (4 K/1%) to changes in volumetric soil moisture than V-polarization (1.9 K/1%). Based on multi-angular (10°-50°) observations of TB at H- and V-polarizations, a method of moisture profile retrieval in the top 5–15 cm soil (depending on surface moisture) was proposed using an exponential fitting function, the parameters of which are found in the course of solving the inverse problem. A decrease in the sensing frequency from 750 MHz to 409 MHz makes it possible to increase the accuracy of soil moisture profiles retrieval by a factor of two, being from RMSE = 1.6% (R2 = 0.946) to RMSE = 0.85% (R2 = 0.982) in the top 15 cm layer of soil. The conducted investigation shows the promise of using P-band observations of TB for soil moisture profile retrieval.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova T., Kiselev E., Nemtsev I. V., Lukyanenko A. V., Sukovatyi A., Kuzmin A., Ryltseva G., Shishatskaya E.
Заглавие : Corrigendum to "Properties of degradable polyhydroxyalkanoates with different monomer compositions" International Journal of Biological Macromolecules; Volume 182, Pages 98–114
Колич.характеристики :3 с
Место публикации : Int. J. Biol. Macromol. - 2024. - Vol. 263, Pt. 1. - Ст.130252. - ISSN 01418130 (ISSN), DOI 10.1016/j.ijbiomac.2024.130252. - ISSN 18790003 (eISSN)
Примечания : Cited References: 1
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dymova M. A., Malysheva D. O., Popova V. K., Dmitrienko E. V., Endutkin A. V., Drokov D. V., Mukhanov V. S., Byvakina A. A., Kochneva G. V., Artyushenko P. V., Shchugoreva I. A., Rogova A. V., Tomilin F. N., Kichkailo A. S., Richter V. A., Kuligina E. V.
Заглавие : Characterizing aptamer interaction with the oncolytic virus VV-GMCSF-Lact
Колич.характеристики :14 с
Место публикации : Molecules. - 2024. - Vol. 29, Is. 4. - Ст.848. - ISSN 14203049 (eISSN), DOI 10.3390/molecules29040848
Примечания : Cited References: 46. - This study was supported by the Russian Science Foundation grant No. 22-64-00041, available online: https://rscf.ru/en/project/22-64-00041/ (accessed on 6 February 2024). This work was supported by the Russian state-funded project for ICBFM SB RAS (grant number 121030200173-6)
Аннотация: Aptamers are currently being investigated for their potential to improve virotherapy. They offer several advantages, including the ability to prevent the aggregation of viral particles, enhance target specificity, and protect against the neutralizing effects of antibodies. The purpose of this study was to comprehensively investigate an aptamer capable of enhancing virotherapy. This involved characterizing the previously selected aptamer for vaccinia virus (VACV), evaluating the aggregation and molecular interaction of the optimized aptamers with the recombinant oncolytic virus VV-GMCSF-Lact, and estimating their immunoshielding properties in the presence of human blood serum. We chose one optimized aptamer, NV14t_56, with the highest affinity to the virus from the pool of several truncated aptamers and built its 3D model. The NV14t_56 remained stable in human blood serum for 1 h and bound to VV-GMCSF-Lact in the micromolar range (Kd ≈ 0.35 μM). Based on dynamic light scattering data, it has been demonstrated that aptamers surround viral particles and inhibit aggregate formation. In the presence of serum, the hydrodynamic diameter (by intensity) of the aptamer–virus complex did not change. Microscale thermophoresis (MST) experiments showed that NV14t_56 binds with virus (EC50 = 1.487 × 109 PFU/mL). The analysis of the amplitudes of MST curves reveals that the components of the serum bind to the aptamer–virus complex without disrupting it. In vitro experiments demonstrated the efficacy of VV-GMCSF-Lact in conjunction with the aptamer when exposed to human blood serum in the absence of neutralizing antibodies (Nabs). Thus, NV14t_56 has the ability to inhibit virus aggregation, allowing VV-GMCSF-Lact to maintain its effectiveness throughout the storage period and subsequent use. When employing aptamers as protective agents for oncolytic viruses, the presence of neutralizing antibodies should be taken into account.
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Вид документа : Однотомное издание
Шифр издания : В37/П 53 рукописный текст
Автор(ы) : Полукеев, Семен Игоревич
Заглавие : Обменное взаимодействие в магнитных диэлектриках. Вклад возбуждённых состояний : специальность 1.3.8 "Физика конденсированного состояния" : диссертация на соискание ученой степени канд. физ.-мат. наук
Выходные данные : Красноярск, 2024
Колич.характеристики :120 с
Коллективы : Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук", Институт физики им. Л.В. Киренского Сибирского отделения РАН
Примечания : Библиогр.: 239
ГРНТИ : 29.19.37 + 29.19.33
ББК : В379.3я031. Средние таблицы
Экземпляры :ДС(1)
Свободны : ДС(1)
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Вид документа : Однотомное издание
Шифр издания :
Автор(ы) : Полукеев, Семен Игоревич
Заглавие : Обменное взаимодействие в магнитных диэлектриках. Вклад возбуждённых состояний : специальность 1.3.8 "Физика конденсированного состояния" : автореферат диссертации на соискание ученой степени канд. физ.-мат. наук : защищена 61.02.2024
Выходные данные : Красноярск, 2024
Колич.характеристики :22 с
Коллективы : Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук", Институт физики им. Л.В. Киренского Сибирского отделения РАН, Институт физики металлов Уральского отделения РАН
Примечания : Библиогр.
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Вид документа : Однотомное издание
Шифр издания : В37/Д 36 рукописный текст
Автор(ы) : Деревянко, Михаил Сергеевич
Заглавие : Магнитные и магнитоимпедансные свойства аморфных магнитомягких проводников на основе кобальта в области фазовых переходов : специальность 1.3.12 "Физика магнитных явлений" : диссертация на соискание ученой степени кандидата физико-математических наук
Выходные данные : Иркутск, 2024
Колич.характеристики :118 с
Коллективы : Иркутский государственный университет
Примечания : Библиогр.: 192 назв.
ГРНТИ : 29.19.37 + 29.19.39
ББК : В373.344.1я031
Экземпляры :Дс(1)
Свободны : Дс(1)
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Yang Ch., Zheng D., Zou X., Dai X., Tang B., Molokeev M. S., Zhang X., Zhang H., Liu Y., Lei B.
Заглавие : Highly-efficiency far-red emission in Cr3+ activated Ca1.8Mg1.2Al2Ge3O12 toward plant precise lighting
Колич.характеристики :9 с
Место публикации : Adv. Opt. Mater. - 2024. - Ст.2303235. - Article in press. - ISSN 21951071 (eISSN), DOI 10.1002/adom.202303235
Примечания : Cited References: 48. - The work was supported by the National Natural Science Foundations of China (No. 12274144), the Guangdong Provincial Special Fund for Modern Agriculture Industry Technology Innovation Teams (No. 2023KJ122), the Key Realm R&D Program of Guangdong Province (No. 2021B0707010003), the Guangdong Provincial Science and Technology Project (No. 2022A1515010229), and the Project of GDUPS (2018) for Prof. Bingfu LEI
Аннотация: Far-red (FR) region (beyond 700 nm) lighting sources possess special potential for plant lighting. However, it remains a challenge to obtain high-performance Cr3+-doped FR phosphors. This study developed a FR phosphor, Ca1.8Mg1.2Al2Ge3O12:Cr3+ (CMAGG: Cr3+), using the cation substitution strategy. Under 438 nm blue light excitation, the phosphors display FR emission centered at 720 nm with a full width at half maximum (FWHM) of 91 nm. Benefit from the favorable match with the FR phytochrome (Pfr), the phosphor is combined with InGaN blue light chips to create a FR phosphor-converted light-emitting diode (pc-LED), which is used in Italian lettuce growth experiments and it results shown in a 15% increase in fresh weight and a 6.5% increase in dry weight. Notably, supplemental FR light modulated its growth morphology. The results of this study will be useful for further research on novel Cr3+-doped FR phosphors to meet the precise spectral requirements for plant growth.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Grigorchenko V.M., Molokeev M. S., Oreshonkov A. S., Aleksandrovsky A. S., Kertman A.V., Abulkhaev M.U., Mereshchenko A.S., Yurev I.O., Shulaev N.А., Kamaev D.N., Elyshev A.V., Andreev O.V.
Заглавие : Synthesis and properties of the NdSF compound, phase diagram of the NdF3–Nd2S3 system
Колич.характеристики :9 с
Место публикации : J. Solid State Chem. - 2024. - Vol. 333. - Ст.124640. - ISSN 00224596 (ISSN), DOI 10.1016/j.jssc.2024.124640. - ISSN 1095726X (eISSN)
Примечания : Cited References: 48. - This research was funded by the Tyumen Oblast Government as part of the West-Siberian Interregional Science and Education Center’s project No. 89-DON (3)The studies ab initio simulation of electron band structure, analysis of optical properties, XRD analysis was partially supported by "Priority-2030" program for the Siberian Federal University, and the state assignment of Kirensky Institute of Physics
Аннотация: The NdF3–Nd2S3 system attracts attention of researchers due to the possibility of using LnSF compounds (Ln = rare earth element) as possible new p- and n-type materials. The samples of this system were synthesized from NdF3 and Nd2S3. The NdSF compound belongs to the PbFCl structural type, P4/nmm space group, unit cell parameters: a = 3.9331(20) Å, c = 6.9081(38) Å. The experimentally determined direct and indirect NdSF bandgaps are equal to 2.68 eV and 2.24 eV. The electronic band structure was calculated via DFT simulation. The NdSF compound melts congruently at T = 1385 ± 10°С, ΔНm = 40.5 ± 10 kJ/mol, ΔS = 24.4 ± 10 J/mol. The NdSF microhardness is 455 ± 10 HV. Five phase transformations in the NdF3–Nd2S3 system were recorded by DSC; their balance equations were derived. The liquidus of the system calculated from the Redlich–Kister equation is fully consistent with the DSC data.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Martynov A.S., Dzebisashvili D. M.
Заглавие : Quantum SU(3)-ferrimagnet on triangular lattice
Колич.характеристики :13 с
Место публикации : J. Magn. Magn. Mater. - 2024. - Vol. 594. - Ст.171906. - ISSN 03048853 (ISSN), DOI 10.1016/j.jmmm.2024.171906. - ISSN 18734766 (eISSN)
Примечания : Cited References: 48. - The authors thanks professor V.V. Val’kov for original idea of this article, for his continuous interest and enormous contribution to this work
Аннотация: Manifestations of quantum effects in the macroscopic properties of frustrated magnets keep attracting considerable interest. We have formulated and studied a simple model of a three-sublattice mixed-spin (S=1,1/2,1/2) SU(3)-ferrimagnet on triangular lattice in which the strong quantum fluctuations are developed due to combined effect of frustrated exchange bonds, reduced dimensionality and a single-ion easy-plane anisotropy in the spin-1 sublattice. To account correctly for the SU(3) algebra, the Hubbard operators representation of generators is used. Dependencies of the magnetic moments R and RL (for spin-1/2 and spin-1 sublattices respectively), the total magnetic moment M, as well as the quadrupole moment, on the anisotropy parameter D are calculated at zero temperature and different ratios I/J of exchange integrals from different sublattices. It is established that for I/J≪1 the critical value Dc, at which the system enters the quadrupole antiferromagnetic phase, can be much smaller than both I and J. Besides, with an increase in D from zero to Dc the total moment M can change its direction several times via taking zero value. Classification of four branches of the spin-wave excitation spectrum of the SU(3)-ferrimagnet is carried out and modification of the spectrum with change in the single-ion anisotropy is analyzed.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Fedorov A. S., Visotin M. A., Lukyanenko A. V., Gerasimov V. S., Aleksandrovsky A. S.
Заглавие : Intense charge transfer plasmons in golden nanoparticle dimers connected by conductive molecular linkers
Колич.характеристики :7 с
Место публикации : J. Chem. Phys. - 2024. - Vol. 160, Is. 8. - Ст.084110. - ISSN 00219606 (ISSN), DOI 10.1063/5.0183334. - ISSN 10897690 (eISSN)
Примечания : Cited References: 52. - This study was supported by the Russian Science Foundation, Agreement No. 23-12-20007, and the Government of the Krasnoyarsk Territory and the Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities, Agreement No. 256
Аннотация: Golden nanoparticle dimers connected by conjugated molecular linkers 1,2-bis(2-pyridyl)ethylene are produced. The formation of stable dimers with 22 nm diameter nanoparticles is confirmed by transmission electron microphotography. The possibility of charge transfer through the linkers between the particles in the dimers is shown by the density functional theory calculations. In addition to localized plasmon resonance of solitary nanoparticles with a wavelength of 530 nm, the optical spectra exhibit a new intense absorption peak in the near-infrared range with a wavelength of ∼780 nm. The emergent absorption peak is attributed to the charge-transfer plasmon (CTP) mode; the spectra simulated within the CTP developed model agree with the experimental ones. This resonant absorption may be of interest to biomedical applications due to its position in the so-called transmission window of biological tissues. The in vitro heating of CTP dimer solution by a laser diode with a wavelength of 792 nm proved the efficiency of CTP dimers for achieving a temperature increase of ΔT = 6 °C, which is sufficient for hyperthermia treatment of malignant tumors. This indicates the possibility of using hyperthermia to treat malignant tumors using the material we synthesized.
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