发布求助
文献互助 智能选刊 最新文献

Bulletin of the Russian Academy of Sciences: Physics最新文献

筛选
英文 中文
Gold Nanoparticles as SERS Substrates for MTT Assays 金纳米颗粒作为MTT检测的SERS底物
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709565
V. A. Mushenkov, A. M. Burov, V. I. Kukushkin, E. G. Zavyalova
{"title":"Gold Nanoparticles as SERS Substrates for MTT Assays","authors":"V. A. Mushenkov,&nbsp;A. M. Burov,&nbsp;V. I. Kukushkin,&nbsp;E. G. Zavyalova","doi":"10.1134/S1062873824709565","DOIUrl":"10.1134/S1062873824709565","url":null,"abstract":"<p>Several versions of gold nanoparticles are proposed for detecting formazan formed by the enzymatic reduction of MTT reagent by <i>E. coli</i> enzymes. It is shown that gold nanostars coated with a micellar stabilizer are the most promising SERS substrates for detecting formazan in biological mixtures, reducing the required titer of bacteria by at least an order of magnitude.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"232 - 239"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetic Phase Transitions and Collective Effects in MgZnO/ZnO Heterostructures MgZnO/ZnO异质结构中的磁相变和集体效应
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709486
A. S. Koreev, P. S. Berezhnoy, A. B. Van’kov
{"title":"Magnetic Phase Transitions and Collective Effects in MgZnO/ZnO Heterostructures","authors":"A. S. Koreev,&nbsp;P. S. Berezhnoy,&nbsp;A. B. Van’kov","doi":"10.1134/S1062873824709486","DOIUrl":"10.1134/S1062873824709486","url":null,"abstract":"<p>Two-dimensional electron systems implemented in MgZnO/ZnO heterostructures with high interaction parameters were investigated. Inelastic light scattering study detected ferromagnetic transitions and spin textures. The dispersion dependences of key energy parameters were characterized.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"196 - 200"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structure of Currents in the Chernaya Guba of Kandalaksha Bay during Different Phases of the Tidal Cycle 坎达拉沙湾切尔纳亚古坝潮汐循环不同阶段的水流结构
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S106287382470967X
I. N. Ivanova, A. A. Budnikov, A. I. Vasin, K. A. Levonyan
{"title":"Structure of Currents in the Chernaya Guba of Kandalaksha Bay during Different Phases of the Tidal Cycle","authors":"I. N. Ivanova,&nbsp;A. A. Budnikov,&nbsp;A. I. Vasin,&nbsp;K. A. Levonyan","doi":"10.1134/S106287382470967X","DOIUrl":"10.1134/S106287382470967X","url":null,"abstract":"<p>Results are presented from in situ measurements of currents in the Chernaya Guba of Kandalaksha Bay, which is subject to tidal influence, in 2021–2023. Surface and bottom currents in different phases of the tidal cycle are measured using a grid of stations. The area in which the current from Nilmoguba was registered is determined, and in situ measurements are compared to results from modeling bottom currents.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"300 - 304"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancement of the Electromagnetic Field in a Resonator in the Sub-Terahertz Frequency Range 次太赫兹谐振器中电磁场的增强
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709425
P. A. Gusikhin, I. V. Kukushkin, V. M. Muravev
{"title":"Enhancement of the Electromagnetic Field in a Resonator in the Sub-Terahertz Frequency Range","authors":"P. A. Gusikhin,&nbsp;I. V. Kukushkin,&nbsp;V. M. Muravev","doi":"10.1134/S1062873824709425","DOIUrl":"10.1134/S1062873824709425","url":null,"abstract":"<p>Numerical modeling was made of planar resonators for the subterahertz frequency range, which are confined by various types of reflectors: Bragg mirrors, grating mirrors, and solid metal mirrors. The dependences of the enhancement of the electric field strength in the resonator on the structure parameters were constructed at normal incidence of an electromagnetic wave on the surface of the resonator. The physical limitations imposed on the enhancement were determined.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"167 - 171"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the Temporal Dynamics of Photoreflectance Signal at the Fractional Filling Factor ν = 1/3 in the Range of Seconds 分数填充因子ν = 1/3秒范围内光反射信号的时间动力学研究
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709498
A. V. Larionov, L. V. Kulik
{"title":"Study of the Temporal Dynamics of Photoreflectance Signal at the Fractional Filling Factor ν = 1/3 in the Range of Seconds","authors":"A. V. Larionov,&nbsp;L. V. Kulik","doi":"10.1134/S1062873824709498","DOIUrl":"10.1134/S1062873824709498","url":null,"abstract":"<p>The temporal dynamics of the photoreflectance signal was studied at a fractional filling factor of two-dimensional electrons of ν = 1/3 in a GaAs quantum well at liquid helium temperatures of <i>T</i> ∼ 0.6 K. It was demonstrated that, using a modified photon counting technique, it is possible to measure relaxation times of excitations in a Laughlin liquid of the order of 100 s.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"201 - 203"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Luminescence of MoSe2 Monolayers: Effect of Temperature and Pumping MoSe2单层膜的发光：温度和泵送的影响
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709516
V. E. Bisti, A. S. Brichkin, G. M. Golyshkov, A. V. Chernenko
{"title":"Luminescence of MoSe2 Monolayers: Effect of Temperature and Pumping","authors":"V. E. Bisti,&nbsp;A. S. Brichkin,&nbsp;G. M. Golyshkov,&nbsp;A. V. Chernenko","doi":"10.1134/S1062873824709516","DOIUrl":"10.1134/S1062873824709516","url":null,"abstract":"<p>The luminescence of excitons and trions in a MoSe monolayer encapsulated with hBN under nonresonant photoexcitation of electron–hole pairs was studied as a function of temperature and pumping intensity. The shift of luminescence lines and the redistribution of intensities can be explained by the influence of both the Fermi gas of free electrons and localized states of electrons caused by the presence of impurities in boron nitride hBN.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"207 - 210"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum to: 3D Microstructures for Introducing Radiation into Photonic Integrated Circuits 将辐射引入光子集成电路的三维微结构勘误
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873825020017
D. A. Kolymagin, A. I. Prokhodtsov, D. A. Chubich, R. P. Matital, A. V. Kazantseva, D. P. Emelyanov, V. V. Kovalyuk, A. G. Vitukhnovsky, G. N. Goltsman
{"title":"Erratum to: 3D Microstructures for Introducing Radiation into Photonic Integrated Circuits","authors":"D. A. Kolymagin,&nbsp;A. I. Prokhodtsov,&nbsp;D. A. Chubich,&nbsp;R. P. Matital,&nbsp;A. V. Kazantseva,&nbsp;D. P. Emelyanov,&nbsp;V. V. Kovalyuk,&nbsp;A. G. Vitukhnovsky,&nbsp;G. N. Goltsman","doi":"10.1134/S1062873825020017","DOIUrl":"10.1134/S1062873825020017","url":null,"abstract":"","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"317 - 317"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1062873825020017.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two-Dimensional Plasma Excitations in a Split-Ring Resonator 劈裂环谐振器中的二维等离子体激励
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709437
A. S. Kazakov, P. A. Gusikhin, I. V. Andreev, V. M. Muravev, I. V. Kukushkin
{"title":"Two-Dimensional Plasma Excitations in a Split-Ring Resonator","authors":"A. S. Kazakov,&nbsp;P. A. Gusikhin,&nbsp;I. V. Andreev,&nbsp;V. M. Muravev,&nbsp;I. V. Kukushkin","doi":"10.1134/S1062873824709437","DOIUrl":"10.1134/S1062873824709437","url":null,"abstract":"<p>An analysis is performed of the electromagnetic properties of a split-ring resonator based on a two-dimensional electron system (2DES). Studying the absorption of electromagnetic radiation by the 2DES in the geometry of a split-ring resonator reveals new plasma modes associated with a split in the structure. This plasmon resonance is observed under conditions of excitation by both alternating electric and alternating magnetic fields, allowing the possibility of developing highly efficient tunable phase elements.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"172 - 176"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using Island SERS Structures on GaP Substrates for Surface-Enhanced Inelastic Light Scattering in the Infrared Range 利用岛状SERS结构在GaP基板上进行红外范围表面增强非弹性光散射
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709553
S. M. Makarovskaya, V. V. Solovyev, T. D. Rudakov, I. V. Kukushkin
{"title":"Using Island SERS Structures on GaP Substrates for Surface-Enhanced Inelastic Light Scattering in the Infrared Range","authors":"S. M. Makarovskaya,&nbsp;V. V. Solovyev,&nbsp;T. D. Rudakov,&nbsp;I. V. Kukushkin","doi":"10.1134/S1062873824709553","DOIUrl":"10.1134/S1062873824709553","url":null,"abstract":"<p>The authors consider the properties of periodic dielectric structures made of gallium phosphide (GaP) coated with layers of silver. Such structures allow signals of surface-enhanced inelastic light scattering (SERS) to be amplified. Period dependences are obtained for the intensities of signal scattering at different heights of the structure. Intensities of signal scattering are compared for SERS structures on SiO<sub>2</sub> and GaP substrates at laser excitation wavelengths of 532, 785, and 1064 nm. GaP-based structures with thin metal layers are found to enhance signals by more than seven orders of magnitude in the infrared range. The dependence of the Raman gain on the thickness of deposited layers is studied.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"228 - 231"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of Raman Spectroscopy Capabilities in Determining the Total Hemoglobin Content in Human Blood 拉曼光谱法测定人血液中总血红蛋白含量的研究
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709577
A. Yu. Subekin, T. E. Pylaev, V. I. Kukushkin, E. V. Rudakova, T. D. Rudakov
{"title":"Study of Raman Spectroscopy Capabilities in Determining the Total Hemoglobin Content in Human Blood","authors":"A. Yu. Subekin,&nbsp;T. E. Pylaev,&nbsp;V. I. Kukushkin,&nbsp;E. V. Rudakova,&nbsp;T. D. Rudakov","doi":"10.1134/S1062873824709577","DOIUrl":"10.1134/S1062873824709577","url":null,"abstract":"<p>The possibility of using Raman spectroscopy in determining the total hemoglobin content in the blood has been investigated. It has been established that a few lines in the Raman spectrum linearly depend on the hemoglobin concentration. It has been shown that SERS using silver colloids also gives a linear concentration dependence on the intensity of spectral lines.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"240 - 248"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信