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Nonwoven Materials As Carriers of Biogenic Nanoparticles of Silver and Cadmium Sulfide with Antimicrobial Properties 非织造材料作为抗菌银和硫化镉纳米粒子的载体
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-06-27 DOI: 10.1134/S2635167623601547
O. A. Zhuravliova, S. N. Malakhov, S. N. Chvalun, T. A. Voeikova, V. G. Debabov
{"title":"Nonwoven Materials As Carriers of Biogenic Nanoparticles of Silver and Cadmium Sulfide with Antimicrobial Properties","authors":"O. A. Zhuravliova,&nbsp;S. N. Malakhov,&nbsp;S. N. Chvalun,&nbsp;T. A. Voeikova,&nbsp;V. G. Debabov","doi":"10.1134/S2635167623601547","DOIUrl":"10.1134/S2635167623601547","url":null,"abstract":"<p>Biogenic nanoparticles of silver (AgNPs) and cadmium sulfide (CdSNPs), which were obtained by microbial synthesis using the bacteria <i>Shewanella oneidensis</i> MR-1 and <i>Bacillus subtilis</i> 168 respectively in the presence of ions of the corresponding metals and sulfur, are used for inclusion in the composition of polymer materials of various types. Nonwoven materials based on polyamide and polylactide are obtained and characterized: the average fiber diameter in materials made from polyamide is 1.1 µm, and in materials made from polylactide, it is 3.7 and 7.2 µm. The surface properties of the nonwoven fabrics when in contact with water are assessed as hydrophobic for polylactide and hydrophilic for polyamide. Due to the different surface properties of the nonwoven materials, AgNPs and NPsCdS are effectively included into the composition of polyamide, where a coating of biogenic NPs is present in all fiber layers, and in the polylactide matrix, only in the surface layers. The antimicrobial activity of AgNPs and CdSNPs is retained in the polyamide-based material and is demonstrated for a wide range of microorganisms from various systematic groups.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 1","pages":"1 - 9"},"PeriodicalIF":0.8,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170828","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 Kinetics of Cu(II) and Pb(II) Sorption on Magnetically Functionalized MXene Composites 磁功能化MXene复合材料对Cu（II）和Pb（II）的吸附动力学研究
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-06-27 DOI: 10.1134/S263516762460264X
N. Shilov, K. Magomedov, R. Zeynalov, A. Omelyanchik, V. Rodionova
{"title":"Study of the Kinetics of Cu(II) and Pb(II) Sorption on Magnetically Functionalized MXene Composites","authors":"N. Shilov,&nbsp;K. Magomedov,&nbsp;R. Zeynalov,&nbsp;A. Omelyanchik,&nbsp;V. Rodionova","doi":"10.1134/S263516762460264X","DOIUrl":"10.1134/S263516762460264X","url":null,"abstract":"<p>We report a comprehensive investigation of Cu(II) and Pb(II) ion sorption kinetics on magnetically functionalized Ti<sub>3</sub>C<sub>2</sub><i>T</i><sub><i>x</i></sub> MXene composites. The composite material was synthesized by functionalizing multilayer MXenes with iron oxide nanoparticles through a co-precipitation method, resulting in a magnetic sorbent with a saturation magnetization of 32 ± 3 A m<sup>2</sup>/kg. The experimental data were analyzed using pseudo-first-order, pseudo-second-order, and intraparticle diffusion models. The sorption process for both metal ions followed pseudo-second-order kinetics (<i>R</i><sup>2</sup> &gt; 0.99), with activation energies of –61.5 and ‒24.8 kJ/mol for Cu(II) and Pb(II), respectively. The analysis revealed that Cu(II) sorption involves both chemical interactions with functional groups and diffusion processes, while Pb(II) sorption is primarily diffusion-controlled. External diffusion rates were found to be an order of magnitude higher than internal diffusion rates for both metal ions, suggesting that the 2D structure of MXenes may influence the intraparticle diffusion of heavy metals. The magnetic functionalization enables efficient separation of the sorbent after treatment, making this composite material promising for heavy metal removal applications in water treatment processes.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 1","pages":"30 - 38"},"PeriodicalIF":0.8,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170830","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 Role of Colloidal System Stabilizers in the Stimulating Activity of Copper Oxide Nanoparticles on Poplar Plants in Culture In Vitro 胶体体系稳定剂对杨树氧化铜纳米颗粒体外培养刺激活性的作用
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-06-27 DOI: 10.1134/S2635167624602444
O. A. Fedorova, T. A. Grodetskaya, N. A. Evtushenko, P. M. Evlakov
{"title":"On the Role of Colloidal System Stabilizers in the Stimulating Activity of Copper Oxide Nanoparticles on Poplar Plants in Culture In Vitro","authors":"O. A. Fedorova,&nbsp;T. A. Grodetskaya,&nbsp;N. A. Evtushenko,&nbsp;P. M. Evlakov","doi":"10.1134/S2635167624602444","DOIUrl":"10.1134/S2635167624602444","url":null,"abstract":"<p>The effects of copper oxide nanoparticle solutions stabilized by nonionic surfactants (Tween 20 and Triton X100) and polyhexamethylene biguanide (PHMB) on various stages of clonal micropropagation of white poplar × aspen plants (<i>Populus alba</i> × <i>Populus tremula</i>) in culture in vitro are discussed. The use of stabilized nanoparticles at a concentration of 5 mg/L in the Murashige–Skoog culture medium at the stage of introduction into the culture in vitro allows an increase in the yield of sterile viable explants by 16.7–26.7%. During the multiplication stage, the positive effect of nanopreparations is noted by the multiplication coefficient. The maximum value of this indicator (3.3) was obtained for 5 mg/L nanoparticles stabilized with PHMB (compared to 2.6 in the control). For stimulating root formation in poplar microshoots, media with the addition of copper oxide nanoparticles stabilized by Triton X100 and Tween 20 turned out to be optimal. An increase in the number of rooted shoots by 10% and the number of roots per shoot by up to 46% is experimentally confirmed.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 1","pages":"70 - 77"},"PeriodicalIF":0.8,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145169469","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
Sorption of Iron(III) Ions Using a Ti3C2Tx/Fe3O4 Heterostructured Magnetic Composite Ti3C2Tx/Fe3O4异质结构磁性复合材料对铁离子的吸附
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-06-27 DOI: 10.1134/S2635167625600312
N. R. Shilov, V. A. Ni, K. E. Magomedov, R. Z. Zeinalov, A. S. Omelyanchik, V. V. Rodionova
{"title":"Sorption of Iron(III) Ions Using a Ti3C2Tx/Fe3O4 Heterostructured Magnetic Composite","authors":"N. R. Shilov,&nbsp;V. A. Ni,&nbsp;K. E. Magomedov,&nbsp;R. Z. Zeinalov,&nbsp;A. S. Omelyanchik,&nbsp;V. V. Rodionova","doi":"10.1134/S2635167625600312","DOIUrl":"10.1134/S2635167625600312","url":null,"abstract":"<p>Two-dimensional MXene materials are attracting attention as nanoadsorbents for the removal of heavy metals from aqueous media. The adsorption properties of the magnetic composite Ti<sub>3</sub>C<sub>2</sub><i>T</i><sub><i>x</i></sub>/Fe<sub>3</sub>O<sub>4</sub> are investigated in relation to Fe(III) ions. It is found that the sorption capacity is 64.5 mg/g at a composite concentration of less than 10 mg/L. The kinetics of sorption is best described by a pseudo-second-order model, which indicates a chemical interaction between the sorbent and the sorbate. The calculated conditional activation energy (–17 kJ/mol) confirms that the sorption rate is limited by the diffusion stage. The magnetic characteristics of the composite provide the possibility of effective magnetic separation of the material after sorption.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 1","pages":"23 - 29"},"PeriodicalIF":0.8,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145169470","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
Behavior of Complexes of Poly-2-alkyl-5,6-dihydrooxazine Block Copolymers with Curcumin in Aqueous Solutions 聚2-烷基-5,6-二氢恶嗪嵌段共聚物与姜黄素配合物在水溶液中的行为
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-06-27 DOI: 10.1134/S2635167625600336
A. P. Filippov, S. V. Rodchenko, T. Yu. Kirila, N. D. Kozina, A. V. Tenkovtsev
{"title":"Behavior of Complexes of Poly-2-alkyl-5,6-dihydrooxazine Block Copolymers with Curcumin in Aqueous Solutions","authors":"A. P. Filippov,&nbsp;S. V. Rodchenko,&nbsp;T. Yu. Kirila,&nbsp;N. D. Kozina,&nbsp;A. V. Tenkovtsev","doi":"10.1134/S2635167625600336","DOIUrl":"10.1134/S2635167625600336","url":null,"abstract":"<p>Complexes of block copolymers of poly-2-ethyl-5,6-dihydrooxazine and poly-2-isopropyl-5,6-dihydrooxazine with curcumin have been prepared. The binding constants were determined, the high values of which indicate a strong binding of curcumin to the block copolymers. Self-organization in aqueous solutions of the obtained complexes was studied by light scattering and turbidimetry. It has been shown that on heating one phase transition was observed in the complex solutions. Concentration dependences of the phase separation temperature have been determined. It has been established that the phase separation temperature increases by 2–4°C on passage from block copolymer solutions to solutions of the complexes.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 1","pages":"64 - 69"},"PeriodicalIF":0.8,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145169472","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
Pullulan Graft Copolymers with Poly(2-oxazoline) Side Groups in Aqueous Solutions: Hydrodynamic Study 聚（2-恶唑啉）侧基普鲁兰接枝共聚物在水溶液中的水动力学研究
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-06-27 DOI: 10.1134/S263516762560018X
A. A. Lezov, I. Yu. Perevyazko, A. A. Lezova, V. B. Rogozhin, N. G. Mikusheva, P. A. Fetin, A. S. Senchukova, M. E. Mikhailova, A. V. Donets, M. A. Vovk, I. M. Zorin, N. V. Tsvetkov
{"title":"Pullulan Graft Copolymers with Poly(2-oxazoline) Side Groups in Aqueous Solutions: Hydrodynamic Study","authors":"A. A. Lezov,&nbsp;I. Yu. Perevyazko,&nbsp;A. A. Lezova,&nbsp;V. B. Rogozhin,&nbsp;N. G. Mikusheva,&nbsp;P. A. Fetin,&nbsp;A. S. Senchukova,&nbsp;M. E. Mikhailova,&nbsp;A. V. Donets,&nbsp;M. A. Vovk,&nbsp;I. M. Zorin,&nbsp;N. V. Tsvetkov","doi":"10.1134/S263516762560018X","DOIUrl":"10.1134/S263516762560018X","url":null,"abstract":"<p>Grafted copolymers based on natural polysaccharides are interesting from the standpoint of creating targeted drug delivery systems. The properties of graft copolymers of pullulan with side chains of poly(2-methyl-2-oxazoline) and poly(2-ethyl-2-oxazoline) are studied. The conformational and hydrodynamic characteristics of the indicated polymers, such as the coefficient of translational diffusion, characteristic viscosity, molecular weight, equilibrium rigidity, and hydrodynamic diameter of chains, are determined using nuclear magnetic resonance, dynamic light scattering, analytical ultracentrifugation, viscometry, and a number of combined techniques. Increase of the value of equilibrium rigidity of grafted polymers with poly(2-oxazoline) side chains was detected.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"20 1","pages":"39 - 44"},"PeriodicalIF":0.8,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145169434","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
Mechanisms of the Formation of Conductive Channels in Bipolar Memristors of Various Designs 各种设计的双极记忆电阻器中导电通道的形成机制
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-03-24 DOI: 10.1134/S2635167624602900
A. N. Aleshin, N. V. Zenchenko, K. Yu. Kharitonova, O. A. Ruban
{"title":"Mechanisms of the Formation of Conductive Channels in Bipolar Memristors of Various Designs","authors":"A. N. Aleshin,&nbsp;N. V. Zenchenko,&nbsp;K. Yu. Kharitonova,&nbsp;O. A. Ruban","doi":"10.1134/S2635167624602900","DOIUrl":"10.1134/S2635167624602900","url":null,"abstract":"<p>The work presents and describes various mechanisms for the formation of a conductive channel in bipolar memristors of the vacancy and ionic types: in the first case, due to the generation and growth of conductive threads, and in the second, due to segregation processes with the formation of spatial associations of ions from the material of the active electrode. The current—voltage characteristics for both types of memristors are presented and a comparison of the design features of these memristors is conducted.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"19 1 supplement","pages":"S226 - S230"},"PeriodicalIF":0.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688454","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
2D X-ray Focusing Device Based on Silicon Planar Refractive Lenses 基于硅平面折射透镜的二维x射线聚焦装置
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-03-24 DOI: 10.1134/S2635167624602389
M. N. Sorokovikov, D. A. Zverev, A. A. Barannikov, A. L. Astafyev, I. B. Panormov, V. A. Yunkin, A. Y. Seregin, Y. A. Volkovskiy, P. A. Prosekov, A. A. Snigirev
{"title":"2D X-ray Focusing Device Based on Silicon Planar Refractive Lenses","authors":"M. N. Sorokovikov,&nbsp;D. A. Zverev,&nbsp;A. A. Barannikov,&nbsp;A. L. Astafyev,&nbsp;I. B. Panormov,&nbsp;V. A. Yunkin,&nbsp;A. Y. Seregin,&nbsp;Y. A. Volkovskiy,&nbsp;P. A. Prosekov,&nbsp;A. A. Snigirev","doi":"10.1134/S2635167624602389","DOIUrl":"10.1134/S2635167624602389","url":null,"abstract":"<p>The paper focuses on developing, manufacturing, and testing a two-dimensional X-ray focusing device based on silicon planar compound refractive lenses. Using compound refractive lenses installed in cross geometry one after another along the optical axis allows for generating a beam with specified parameters. A distinctive feature of the developed device is the ability to correct astigmatism of the optical system. Two-dimensional focusing of X-ray radiation with astigmatism correction was experimentally demonstrated at the RKFM beamline “KISI–Kurchatov.” The resulting focused X-ray beam, characterized using the knife-edge technique, had a size of approximately 1.5 µm, with equal dimensions in both the vertical and horizontal directions. The experimental results were compared with theoretical estimates and computer simulations.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"19 1 supplement","pages":"S183 - S190"},"PeriodicalIF":0.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688616","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
Microneedles: Heterogeneous Intelligent Microsystems for Transdermal Monitoring and Correction of the Body’s State 微针：用于透皮监测和身体状态校正的异构智能微系统
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-03-24 DOI: 10.1134/S2635167625600038
O. A. Testov, V. M. Aivazyan, I. K. Khmelnitskiy, V. V. Luchinin, K. G. Gareev, A. M. Karelin, S. E. Parfenovich, D. O. Testov, E. E. Kholodkova
{"title":"Microneedles: Heterogeneous Intelligent Microsystems for Transdermal Monitoring and Correction of the Body’s State","authors":"O. A. Testov,&nbsp;V. M. Aivazyan,&nbsp;I. K. Khmelnitskiy,&nbsp;V. V. Luchinin,&nbsp;K. G. Gareev,&nbsp;A. M. Karelin,&nbsp;S. E. Parfenovich,&nbsp;D. O. Testov,&nbsp;E. E. Kholodkova","doi":"10.1134/S2635167625600038","DOIUrl":"10.1134/S2635167625600038","url":null,"abstract":"<p>The use of microneedles for discrete and continuous monitoring and correction of the body’s state is a progressive direction in personalized medicine. The desire to minimize the adverse effects of invasive diagnostic methods and increase the effectiveness of pharmacotherapeutic interventions determines the intellectualization of microneedles, their designs, and technologies of use. Microneedles and their arrays are presented as complex functional microsystems, the creation of which is based on the use of microtechnology and nanotechnology processes, as well as heterogeneous organic–inorganic compositions.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"19 1 supplement","pages":"S12 - S25"},"PeriodicalIF":0.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688266","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
Nanoparticles in Laser Ablation: Fractions 激光烧蚀中的纳米颗粒：分数
IF 0.8
Nanotechnologies in Russia Pub Date : 2025-03-24 DOI: 10.1134/S2635167624602195
V. I. Yusupov, V. S. Zhigarkov
{"title":"Nanoparticles in Laser Ablation: Fractions","authors":"V. I. Yusupov,&nbsp;V. S. Zhigarkov","doi":"10.1134/S2635167624602195","DOIUrl":"10.1134/S2635167624602195","url":null,"abstract":"<p>The pulsed laser ablation of targets is a promising direction for creating metal nanoparticles that are widely used in various fields of science, technology, and for biomedical applications. To improve laser technologies, it is necessary to control the ablation process, ensuring the necessary size distribution of the resulting nanoparticles, which is often bimodal. The work proposes an approach that allows one to estimate the mass of the nanoparticle fraction during laser ablation with short pulses from a scanning electron microscopy (SEM) image or microphotograph of holes in a metal film. The investigation is carried out using nanosecond laser pulses and gold films 50 nm in thickness.</p>","PeriodicalId":716,"journal":{"name":"Nanotechnologies in Russia","volume":"19 1 supplement","pages":"S32 - S36"},"PeriodicalIF":0.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688268","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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