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On the Application of Polymer Microspheres to Identify Positively and Negatively Charged Extracellular Traps of Blood Cells 高分子微球在血液细胞正负电荷胞外陷阱鉴定中的应用
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167625600415
L. Yu. Basyreva, E. V. Shmeleva, V. S. Zubko, E. S. Filatova, N. V. Galkina, Ya. B. Khoroshilova, T. A. Rusakova, M. A. Lazov, I. V. Skopintsev, A. I. Lvovsky, A. A. Sivaev, I. A. Gritskova, A. V. Sokolov, S. A. Gusev, S. N. Chvalun, O. M. Panasenko
{"title":"On the Application of Polymer Microspheres to Identify Positively and Negatively Charged Extracellular Traps of Blood Cells","authors":"L. Yu. Basyreva,&nbsp;E. V. Shmeleva,&nbsp;V. S. Zubko,&nbsp;E. S. Filatova,&nbsp;N. V. Galkina,&nbsp;Ya. B. Khoroshilova,&nbsp;T. A. Rusakova,&nbsp;M. A. Lazov,&nbsp;I. V. Skopintsev,&nbsp;A. I. Lvovsky,&nbsp;A. A. Sivaev,&nbsp;I. A. Gritskova,&nbsp;A. V. Sokolov,&nbsp;S. A. Gusev,&nbsp;S. N. Chvalun,&nbsp;O. M. Panasenko","doi":"10.1134/S2635167625600415","DOIUrl":"10.1134/S2635167625600415","url":null,"abstract":"<p>At present, there is every reason to assume that ETosis by various blood cells leads to the formation of different types of extracellular traps (ETs), the biological functions and clearance of which are apparently not the same. The results of in vitro model experiments to create DNA–histone networks at different DNA : histone ratios allow us to propose a method using polymer microspheres with surface amino (PMS<sup>+</sup>) and carboxyl (PMS<sup>–</sup>) groups as sorbents for the isolation from whole blood and quantification of oppositely charged ETs. Quantitative analysis of the interaction of blood ETs with PMS<sup>+</sup> and PMS<sup>–</sup> shows that the total number of ETs adsorbed on PMS<sup>+</sup> and PMS<sup>–</sup> is significantly increased in patients with type-2 diabetes mellitus and polyneuropathy compared to healthy volunteers. Moreover, a significant predominance of ETs adsorbed on PMS<sup>+</sup> is associated with microalbuminuria. The obtained data suggest that the proposed approach could be promising for application in both fundamental research and clinical practice.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"190 - 199"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168161","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
New Version of the Theory of the Nanofocusing of Hard Synchrotron-Radiation Beams by a Long Compound Refractive Lens 长复合折射透镜纳米聚焦硬同步辐射光束理论的新版本
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167624602638
V. G. Kohn
{"title":"New Version of the Theory of the Nanofocusing of Hard Synchrotron-Radiation Beams by a Long Compound Refractive Lens","authors":"V. G. Kohn","doi":"10.1134/S2635167624602638","DOIUrl":"10.1134/S2635167624602638","url":null,"abstract":"<p>A new version of the theory of the nanofocusing of synchrotron radiation (SR) into nanometer transverse size using a long compound refractive lens (CRL) is developed, which adequately takes into account the aperture over the entire length of the CRL within the framework of geometrical optics, fully compatible with the theory based on the CRL propagator. For hard SR, absorption no longer completely limits the CRL aperture and taking into account the real aperture is important to obtain reliable information about the size of the SR beam at the focus. The new theory is almost analytical and allows one to determine the rocking curve of a long CRL with good accuracy, and also gives an answer in those exotic cases where standard numerical methods are not applicable.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"248 - 254"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145167278","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
Use of Citric and Oleic Acid to Enhance the Magnetoelectric Effect in PVDF-based Composites 用柠檬酸和油酸增强pvdf基复合材料的磁电效应
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167624602560
V. Salnikov, V. Savin, A. Ignatov, P. Vorontsov, P. Ershov, A. Omelyanchik, V. Rodionova
{"title":"Use of Citric and Oleic Acid to Enhance the Magnetoelectric Effect in PVDF-based Composites","authors":"V. Salnikov,&nbsp;V. Savin,&nbsp;A. Ignatov,&nbsp;P. Vorontsov,&nbsp;P. Ershov,&nbsp;A. Omelyanchik,&nbsp;V. Rodionova","doi":"10.1134/S2635167624602560","DOIUrl":"10.1134/S2635167624602560","url":null,"abstract":"<p>Magnetoelectric efficiency of polymer-based multiferroic composites was improved. The changes in the piezoelectric and magnetoelectric properties of PVDF-based composites as a result of coating of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles with oleic and citric acid, which leads to an increase in the voltage coefficient α<sub><i>ME</i></sub> of the magnetoelectric effect, are shown. Coating with oleic and citric acid increases the α<sub><i>ME</i></sub> value from 0.7 mV/(cm Oe) for a composite with bare nanoparticles to 4.5 and 8.7 mV/(cm Oe), respectively.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"226 - 230"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168153","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
Circuit Modeling of Parasitic Effects in Combined Memristor-Diode Crossbar Arrays for Neuromorphic Devices 神经形态器件中忆阻器-二极管交叉栅组合阵列寄生效应电路建模
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167624602705
A. A. Neustroev, A. N. Busygin, S. Yu. Udovichenko
{"title":"Circuit Modeling of Parasitic Effects in Combined Memristor-Diode Crossbar Arrays for Neuromorphic Devices","authors":"A. A. Neustroev,&nbsp;A. N. Busygin,&nbsp;S. Yu. Udovichenko","doi":"10.1134/S2635167624602705","DOIUrl":"10.1134/S2635167624602705","url":null,"abstract":"<p>The mechanisms of parasitic effects in combined memristor-diode arrays of logic and memory matrices within a neuroprocessor are described. To assess the impact of parasitic effects on the output signal waveform and cell states, circuit models of the matrices are developed by incorporating parasitic elements, known memristor models, and Zener diode models into LTspice. Numerical simulations demonstrate that in both matrices, the primary contribution to signal propagation delays comes from RC circuits formed by the load resistance, parasitic cell capacitance, and substrate capacitance. The nonlinear increase in signal propagation delay is shown to depend on the crossbar array dimensionality and memristor size. Compensation methods for parasitic effects are proposed, including modifications to the encoding scheme and reduction of the memristor dimensions to 100 nm.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"239 - 247"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168154","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
Electrochemical Evaluation of Degradation Stability in Nanostructured Electrocatalysts Based on SiO2-modified Carbon Supports for PEM Fuel Cell Cathodes 基于sio2修饰碳载体的PEM燃料电池阴极纳米结构电催化剂降解稳定性的电化学评价
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167624602067
D. E. Grineva, A. A. Zasypkina, R. M. Mensharapov, D. D. Spasov, N. V. Panchenko, T. D. Patsaev, P. V. Dmitryakov, N. A. Ivanova
{"title":"Electrochemical Evaluation of Degradation Stability in Nanostructured Electrocatalysts Based on SiO2-modified Carbon Supports for PEM Fuel Cell Cathodes","authors":"D. E. Grineva,&nbsp;A. A. Zasypkina,&nbsp;R. M. Mensharapov,&nbsp;D. D. Spasov,&nbsp;N. V. Panchenko,&nbsp;T. D. Patsaev,&nbsp;P. V. Dmitryakov,&nbsp;N. A. Ivanova","doi":"10.1134/S2635167624602067","DOIUrl":"10.1134/S2635167624602067","url":null,"abstract":"<p>The degradation resistance of modified SiO<sub>2</sub> carbon supports for electrocatalysts was evaluated using accelerated stress testing under model conditions. No direct correlations were found between the degradation resistance of the supports and that of the electrocatalysts based on them. The intensification of electrochemical corrosion processes is attributed to the presence of oxygen-containing groups in the silicon dioxide modifier on the carbon support surface. Conversely, electrocatalysts based on modified carbon supports exhibit an increase in electrochemically active surface area and degradation resistance by an average of 10‒25%.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"231 - 238"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168166","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
Direct X-ray Detectors Based on Halide Perovskites 卤化物钙钛矿直接x射线探测器
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167625600154
I. O. Simonenko, V. A. Kinev, R. G. Nazmitdinov, Ya. B. Martynov, A. G. Son, S. A. Kozyukhin, A. R. Tameev
{"title":"Direct X-ray Detectors Based on Halide Perovskites","authors":"I. O. Simonenko,&nbsp;V. A. Kinev,&nbsp;R. G. Nazmitdinov,&nbsp;Ya. B. Martynov,&nbsp;A. G. Son,&nbsp;S. A. Kozyukhin,&nbsp;A. R. Tameev","doi":"10.1134/S2635167625600154","DOIUrl":"10.1134/S2635167625600154","url":null,"abstract":"<p>In the last decade, there has been progress in the efficiency of halide-perovskite-based photovoltaics. The combination of unique physical and chemical properties of these materials, such as the strong absorption of X-ray quanta due to the presence of heavy elements (Cs, Pb, Bi, and I) in their composition, significant bulk resistivity, a tunable band gap, and compatibility with integrated circuits, arouse interest in their use in fields involving X-ray radiation. This review discusses the basic operating principles and architecture of direct X-ray detectors. Their key characteristics are discussed, and the advantages of perovskite X-ray detectors compared to existing commercial analogues are described. Ways to optimize the characteristics of perovskite X-ray detectors are considered.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"118 - 132"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168278","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
Obtaining Silver Nanoparticles Stabilized by Sodium Alginate and Their Application for Inhibiting Apple Rot 海藻酸钠稳定银纳米颗粒的制备及其抑制苹果腐烂的应用
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167625600427
S. A. Baskakov, A. G. Bykov, A. N. Reshetilov, E. N. Kabachkov, Yu. V. Baskakova, S. S. Krasnikova, Yu. M. Shulga
{"title":"Obtaining Silver Nanoparticles Stabilized by Sodium Alginate and Their Application for Inhibiting Apple Rot","authors":"S. A. Baskakov,&nbsp;A. G. Bykov,&nbsp;A. N. Reshetilov,&nbsp;E. N. Kabachkov,&nbsp;Yu. V. Baskakova,&nbsp;S. S. Krasnikova,&nbsp;Yu. M. Shulga","doi":"10.1134/S2635167625600427","DOIUrl":"10.1134/S2635167625600427","url":null,"abstract":"<p>Two samples of silver nanoparticles (AgNPs) stabilized with the salt of a natural polysaccharide (sodium alginate) are obtained. The samples differed in their synthesis conditions, in particular, they had different nanoparticle growth rates. At a lower growth rate, the formation of smaller AgNPs with a narrower size distribution, as indicated by the assessment of the width of the surface plasmon resonance for this sample, is observed. Testing the antimicrobial activity of the studied composites against acetic acid bacteria of the strain <i>Gluconobacter oxydans</i> sbsp. <i>industrius</i> VKM B-1280 (All-Russian Collection of Microorganisms) show that the inhibition of colony growth occurred with both AgNP samples. The test is carried out using the method of diffusion of the active component in agar gel. The obtained results indicate that the formed coating based on sodium alginate-stabilized AgNPs inhibits the occurrence of the bacterial rot of apples and such a coating can be used as an antimicrobial agent.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"160 - 166"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168149","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
Biodegradable Devices Based on Blends of Polylactide and Polycaprolactone and Their Copolymers for the Closure of Fibrosis Annulus Defects after Sequestrectomy of the Intervertebral Disc 基于聚乳酸和聚己内酯共混物及其共聚物的可生物降解装置用于椎间盘隔离切除术后纤维化环缺损的闭合
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167624602158
Yu. D. Zagoskin, V. A. Demina, Yu. S. Fomina, P. V. Dmitryakov, A. A. Stupnikov, A. A. Nesmelov, S. N. Malakhov, M. M. Alexanyan, S. A. Makarov, T. E. Grigoriev, S. N. Chvalun
{"title":"Biodegradable Devices Based on Blends of Polylactide and Polycaprolactone and Their Copolymers for the Closure of Fibrosis Annulus Defects after Sequestrectomy of the Intervertebral Disc","authors":"Yu. D. Zagoskin,&nbsp;V. A. Demina,&nbsp;Yu. S. Fomina,&nbsp;P. V. Dmitryakov,&nbsp;A. A. Stupnikov,&nbsp;A. A. Nesmelov,&nbsp;S. N. Malakhov,&nbsp;M. M. Alexanyan,&nbsp;S. A. Makarov,&nbsp;T. E. Grigoriev,&nbsp;S. N. Chvalun","doi":"10.1134/S2635167624602158","DOIUrl":"10.1134/S2635167624602158","url":null,"abstract":"<p>Several types of devices are proposed for closing annulus fibrosus defects after sequestrectomy to restore the biomechanics of the intervertebral disc. Polylactide, poly-ε-caprolactone, and copolymers of lactide and ε-caprolactone are selected as the materials. The compressive modulus values of the materials range from 0.54 to 210 MPa, depending on the composition and structure of the devices being developed. Sponge-type devices made from copolymers of polylactide and polycaprolactone show the most promise for further in vivo research studies.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"211 - 218"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168152","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 Silver Chloride in the Channels of Single-Wall Carbon Nanotubes 单壁碳纳米管通道中氯化银的结构
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167625600063
M. V. Kharlamova, A. S. Kumskov
{"title":"Structure of Silver Chloride in the Channels of Single-Wall Carbon Nanotubes","authors":"M. V. Kharlamova,&nbsp;A. S. Kumskov","doi":"10.1134/S2635167625600063","DOIUrl":"10.1134/S2635167625600063","url":null,"abstract":"<p>Single-walled carbon nanotubes (SWCNTs) filled with silver chloride (AgCl) are studied by scanning transmission electron microscopy (STEM) and Raman spectroscopy. Based on the STEM data, a model of an embedded silver chloride nanocrystal with parameters different from its three-dimensional analogue is constructed. The doping of SWCNTs with embedded silver chloride was investigated using Raman spectroscopy. It is found that 1D silver chloride leads to the acceptor doping of SWCNTs.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"150 - 152"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168155","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
On the Application of Organic–Inorganic Composite Materials Based on Nickel(II) and Cobalt(II) Ferrites As Catalysts for the Oxidative Decomposition of Organic Dyes 基于镍（II）和钴（II）铁氧体的有机-无机复合材料在有机染料氧化分解催化剂中的应用
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-07-21 DOI: 10.1134/S2635167624602481
N. P. Shabelskaya, A. M. Radzhabov, V. A. Ulyanova, T. W. Bauer, M. V. Kirichkov, Z. B. Namsaraev, S. S. Mandzhieva, T. M. Minkina
{"title":"On the Application of Organic–Inorganic Composite Materials Based on Nickel(II) and Cobalt(II) Ferrites As Catalysts for the Oxidative Decomposition of Organic Dyes","authors":"N. P. Shabelskaya,&nbsp;A. M. Radzhabov,&nbsp;V. A. Ulyanova,&nbsp;T. W. Bauer,&nbsp;M. V. Kirichkov,&nbsp;Z. B. Namsaraev,&nbsp;S. S. Mandzhieva,&nbsp;T. M. Minkina","doi":"10.1134/S2635167624602481","DOIUrl":"10.1134/S2635167624602481","url":null,"abstract":"<p>The possibilities of synthesizing composite organic-inorganic materials from agricultural waste (biochars based on rice husks, sunflower husks, and ferrites of the composition <i>M</i>Fe<sub>2</sub>O<sub>4</sub> (<i>M</i> = Ni, Co) are studied. The synthesis of materials is carried out using the sol-gel method. It is established that the nature of the biochar influences the product yield: for a composite with biochar from rice husk, the yield of the composite material is approximately 25% higher than for sunflower husk. This fact is explained by the loose structure of biochar obtained from sunflower husks, which ensures more complete contact of the surface with oxygen during heat treatment and leads to the partial burnout of the biochar during the synthesis of the composite material. The synthesized materials are characterized by X-ray diffraction analysis, scanning electron microscopy, and Fourier transform infrared spectroscopy. Cobalt(II) and nickel(II) ferrites crystallize on the surface of the organic carrier in the form of a film. The composite material has significant catalytic properties in the reaction of destruction of the organic dye (methyl orange) under the influence of hydrogen peroxide and daylight: complete removal of the azo dye from the solution in the presence of the cobalt(II) ferrite/sunflower catalyst is achieved after just 60 min.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 2","pages":"181 - 189"},"PeriodicalIF":0.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145168280","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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