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Izvestiya of Saratov University, New Series: Physics最新文献

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Effect of the finite conductivity of a metal on properties of a magnetostatic backward volume wave in layered metallized structures 金属的有限导电性对层状金属化结构中静磁后体积波性质的影响
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2023-02-21 DOI: 10.18500/1817-3020-2023-23-1-14-23
Y. Khivintsev, S. Vysotskii, A. S. Dzhumaliev, Y. Filimonov
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引用次数: 0
Analysis of protein fractions of water-soluble peptides by dynamic light scattering 动态光散射法分析水溶性多肽的蛋白质组分
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2023-02-21 DOI: 10.18500/1817-3020-2023-23-1-37-45
O. Larionova, Y. Drevko, V. Khanadeev, S. V. Gorshunova, E. S. Kozlov, S. V. Larionov
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引用次数: 0
Submicron vaterite particles, loaded with porphyrazine photosensitizer for photodynamic therapy of bladder carcinoma cells 载卟啉光敏剂的亚微米水晶石颗粒用于膀胱癌细胞的光动力治疗
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2023-02-21 DOI: 10.18500/1817-3020-2023-23-1-56-67
L. N. Shestakova, N. E. Galochkina, D. Trushina, L. G. Klapshina, S. Lermontova, I. Balalaeva, N. Shilyagina
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引用次数: 1
Small-angle polarimetry as a technique for identification of nucleotide sequences in bioinformatics 小角度偏振法在生物信息学中核苷酸序列鉴定中的应用
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2023-02-21 DOI: 10.18500/1817-3020-2023-23-1-46-55
D. A. Zimnyakov, M. Alonova, A. Skripal, S. Dobdin, V. Feodorova
Background and Objectives: The method of identification of symbolic sequences associated with the genetic structure of biological objects using the principles of small-angle polarimetry is considered. This method of analyzing and visualizing symbolic sequences obtained by sequencing DNA fragments can be defined as small-angle polarimetry of phase-modulating structures associated with genetic information. Materials and Methods: The analyzed symbolic sequence is represented by a two-dimensional phase-modulating matrix, each element of which corresponds to one of the four basic nucleotides (adenine, cytosine, thymine, guanine), and the depth of modulation of the phase of the reading coherent linearly polarized beam is determined by the content of this nucleotide in the corresponding triplet in the nucleotide sequence. As a result of the diffraction of a reading coherent beam with a polarization plane oriented at an angle of 45° to the sides of the phase-modulating matrix, a spatial distribution of local polarization states of the reading field diffracted on the matrix is formed in the paraxial region of the far diffraction zone. Discrimination of local polarization states in accordance with the proposed algorithm makes it possible to synthesize a binary spatial distribution, which is a unique identifier of the analyzed symbol sequence. Results: Modeling of the processes of phase coding and subsequent analysis of local polarization states in the near-axial region using sequencing results for the strains "Wuhan”, "Delta” and "Omicron” of the SARS-CoV-2 virus has shown a high sensitivity of the method to local changes in the structure of nucleotide sequences. Conclusion: The results of the simulation allow us to conclude that binary distributions of local polarization states of light fields diffracted on DNA-associated phase-modulating structures recorded in the axial region are characterized by high sensitivity to local mutational changes in the structure of nucleotide sequences. The results obtained can be used as a basis for creating effective hybrid methods for analyzing genetic information using the principles of polarization coding and small-angle polarimetry. © 2023 Vestnik Novosibirskogo Gosudarstvennogo Universiteta, Seriya: Istoriya, Filologiya. All rights reserved.
背景与目的:利用小角度偏振法的原理，研究了与生物对象遗传结构相关的符号序列的识别方法。这种通过DNA片段测序获得的符号序列的分析和可视化方法可以定义为与遗传信息相关的相位调制结构的小角度偏振法。材料和方法:所分析的符号序列由二维相位调制矩阵表示，其中每个元素对应于四种基本核苷酸(腺嘌呤、胞嘧啶、胸腺嘧啶、鸟嘌呤)中的一种，读取相干线偏振光束的相位调制深度由核苷酸序列中相应三组中该核苷酸的含量决定。当读取相干光束的偏振面与相位调制矩阵的侧面成45°角时，在远衍射区的近轴区域形成了在矩阵上衍射的读取场局部偏振态的空间分布。根据该算法对局部极化状态进行判别，可以合成二进制空间分布，这是所分析符号序列的唯一标识符。结果:利用SARS-CoV-2病毒株“Wuhan”、“Delta”和“Omicron”的测序结果建立相编码过程模型并对近轴区局部极化状态进行分析，结果表明该方法对核苷酸序列结构的局部变化具有较高的敏感性。结论:模拟结果表明，在轴向区域记录的dna相关相位调制结构上衍射的光场局部偏振态的二元分布对核苷酸序列结构的局部突变变化具有高度敏感性。所得结果可作为利用偏振编码和小角偏振法原理建立有效的杂交遗传信息分析方法的基础。©2023 Vestnik Novosibirskogo Gosudarstvennogo Universiteta，塞尔维亚:历史学，历史学。版权所有。
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引用次数: 0
Saratov life of brothers Boris and Gleb Gnedenko 萨拉托夫一生的兄弟鲍里斯和格列布格涅坚科
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2023-02-21 DOI: 10.18500/1817-3020-2023-23-1-68-98
V. M. Anikin, D. Gnedenko, M. A. Fedorova
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引用次数: 0
Interrelation between pulse wave forms in the peripheral arteries registered by methods of impedance rheography and ultrasonic dopplerography 用阻抗流变仪和超声多普勒法记录外周动脉脉搏波形之间的相互关系
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2023-02-21 DOI: 10.18500/1817-3020-2023-23-1-24-36
I. Zaletov, A. Sagaidachnyi, A. Skripal, V. Klochkov, D. Mayskov, A. V. Fomin
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引用次数: 0
Differences in optical properties of rat muscle tissue at room and physiological temperatures 室温和生理温度下大鼠肌肉组织光学特性的差异
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2022-11-23 DOI: 10.18500/1817-3020-2022-22-4-350-356
E. A. Gamayunova (Kozlova), A. Doronkina, E. Lazareva, D. K. Tuchina, V. Kochubey, I. Yanina
{"title":"Differences in optical properties of rat muscle tissue at room and physiological temperatures","authors":"E. A. Gamayunova (Kozlova), A. Doronkina, E. Lazareva, D. K. Tuchina, V. Kochubey, I. Yanina","doi":"10.18500/1817-3020-2022-22-4-350-356","DOIUrl":"https://doi.org/10.18500/1817-3020-2022-22-4-350-356","url":null,"abstract":"","PeriodicalId":52312,"journal":{"name":"Izvestiya of Saratov University, New Series: Physics","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81921744","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
Irreversibility of time in general relativity 广义相对论中的时间不可逆性
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2022-11-23 DOI: 10.18500/1817-3020-2022-22-4-374-379
V. Tsoy
{"title":"Irreversibility of time in general relativity","authors":"V. Tsoy","doi":"10.18500/1817-3020-2022-22-4-374-379","DOIUrl":"https://doi.org/10.18500/1817-3020-2022-22-4-374-379","url":null,"abstract":"","PeriodicalId":52312,"journal":{"name":"Izvestiya of Saratov University, New Series: Physics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82987641","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
High-dimensional discrete map based on coupled quasi-periodic generators 基于耦合拟周期发生器的高维离散映射
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2022-11-23 DOI: 10.18500/1817-3020-2022-22-4-328-337
A. Kuznetsov, Y. Sedova
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引用次数: 0
Modeling battery systems – problems of nonlinearity, efficiency, aging, coupling, and network setup 电池系统建模-非线性、效率、老化、耦合和网络设置问题
Q4 Engineering
Izvestiya of Saratov University, New Series: Physics
Pub Date : 2022-11-23 DOI: 10.18500/1817-3020-2022-22-4-288-309
V. Anishchenko, W. Ebeling, E. Hass, P. Plath, L. Schimansky-Geier, G. Strelkova
{"title":"Modeling battery systems – problems of nonlinearity, efficiency, aging, coupling, and network setup","authors":"V. Anishchenko, W. Ebeling, E. Hass, P. Plath, L. Schimansky-Geier, G. Strelkova","doi":"10.18500/1817-3020-2022-22-4-288-309","DOIUrl":"https://doi.org/10.18500/1817-3020-2022-22-4-288-309","url":null,"abstract":"","PeriodicalId":52312,"journal":{"name":"Izvestiya of Saratov University, New Series: Physics","volume":"112 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85348030","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
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