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Correction to: Nanodispersed X-Ray Phosphors LaF3:Tb3+, LaPO4:Tb3+, Hydroxyapatite:Tb3+: Obtaining and Ray Luminescence Properties 校正：纳米分散x射线荧光粉LaF3:Tb3+， LaPO4:Tb3+，羟基磷灰石：Tb3+：获得和射线发光性质
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-09-05 DOI: 10.1007/s11237-025-09847-7
A. P. Kusyak, O. D. Shchehlov, O. I. Oranska, R. M. Kravchuk, P. P. Gorbyk
{"title":"Correction to: Nanodispersed X-Ray Phosphors LaF3:Tb3+, LaPO4:Tb3+, Hydroxyapatite:Tb3+: Obtaining and Ray Luminescence Properties","authors":"A. P. Kusyak, O. D. Shchehlov, O. I. Oranska, R. M. Kravchuk, P. P. Gorbyk","doi":"10.1007/s11237-025-09847-7","DOIUrl":"10.1007/s11237-025-09847-7","url":null,"abstract":"","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"435 - 435"},"PeriodicalIF":0.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Platinum Content and Thermal Treatment on Electrochemical Properties of Anodically Synthesized Titanium Suboxides 铂含量及热处理对阳极合成亚氧化钛电化学性能的影响
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-07-28 DOI: 10.1007/s11237-025-09844-w
V. O. Knysh, O. B. Shmychkova, T. V. Luk’yanenko, A. B. Velichenko
{"title":"Influence of Platinum Content and Thermal Treatment on Electrochemical Properties of Anodically Synthesized Titanium Suboxides","authors":"V. O. Knysh,&nbsp;O. B. Shmychkova,&nbsp;T. V. Luk’yanenko,&nbsp;A. B. Velichenko","doi":"10.1007/s11237-025-09844-w","DOIUrl":"10.1007/s11237-025-09844-w","url":null,"abstract":"<p>The electrochemical properties of TiO<sub><i>x</i></sub>-Pt electrodes with different platinum contents (0.3-2.0 mg/cm<sup>2</sup>), obtained by a combined method including titanium anodization, deposition of platinum, and subsequent thermal treatment, have been studied. Cyclic voltammograms were compared with data for platinum metal in 1 M of HClO<sub>4</sub>. It is established that a decrease in the amount of platinum leads to lower currents in the oxide reduction region, which is associated with a decrease in the number of active sites. Thermal treatment causes changes in the coating morphology, a decrease in the active surface area, and the diffusion of platinum into the titanium substrate, resulting in the formation of mixed oxides. The dependences of platinum oxide reduction peak currents on the potential sweep rate indicate the irreversible electron transfer process.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"420 - 426"},"PeriodicalIF":0.9,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nanodispersed X-Ray Phosphors LaF3:Tb3+, LaPO4:Tb3+, Hydroxyapatite:Tb3+: Obtaining and Ray Luminescence Properties 纳米分散x射线荧光粉LaF3:Tb3+、LaPO4:Tb3+、羟基磷灰石：Tb3+的制备及其发光特性
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-07-28 DOI: 10.1007/s11237-025-09842-y
A. P. Kusyak, O. D. Shchehlov, O. I. Oranska, R. M. Kravchuk, P. P. Gorbyk
{"title":"Nanodispersed X-Ray Phosphors LaF3:Tb3+, LaPO4:Tb3+, Hydroxyapatite:Tb3+: Obtaining and Ray Luminescence Properties","authors":"A. P. Kusyak,&nbsp;O. D. Shchehlov,&nbsp;O. I. Oranska,&nbsp;R. M. Kravchuk,&nbsp;P. P. Gorbyk","doi":"10.1007/s11237-025-09842-y","DOIUrl":"10.1007/s11237-025-09842-y","url":null,"abstract":"<p>The structural properties, X-ray luminescence spectra and content of active sites of the surface of nanodispersed phosphors based on terbium-doped lanthanum fluoride, lanthanum phosphate and hydroxyapatite (LaF<sub>3</sub>:Tb<sup>3+</sup>, LaPO<sub>4</sub>:Tb<sup>3+</sup> and HA:Tb<sup>3+</sup>) have been studied. The obtained data may be useful in photopharmacology and photodynamic therapy for optimizing the conditions of adsorption immobilization of molecules of photosensitive substances and photosensitizers from physiological solution on the surface of nanodispersed phosphors at the development of targeted drug delivery and local disease therapy.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"403 - 412"},"PeriodicalIF":0.9,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomacromolecular Hybrid Materials Based on pH-Responsive Polysaccharides Decorated with Gold Nanoparticles 纳米金修饰的ph响应性多糖生物大分子杂化材料
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-07-28 DOI: 10.1007/s11237-025-09846-8
B. A. Snopok, S. O. Kravchenko, P. M. Boltovets, O. G. Kovalenko
{"title":"Biomacromolecular Hybrid Materials Based on pH-Responsive Polysaccharides Decorated with Gold Nanoparticles","authors":"B. A. Snopok,&nbsp;S. O. Kravchenko,&nbsp;P. M. Boltovets,&nbsp;O. G. Kovalenko","doi":"10.1007/s11237-025-09846-8","DOIUrl":"10.1007/s11237-025-09846-8","url":null,"abstract":"<p>It is established that the polysaccharide glucuronoxylomannan decorated with gold nanoparticles significantly changes the spatial structuring depending on pH and temperature. A mechanism of the biopolymer conformation effect on the formation process and properties of a hybrid material is proposed. The most stable structures are formed in an alkaline medium, however, they also retain the possibility of adaptive behavior of an initial biomolecule. It has been demonstrated that biological macromolecules can be applied to form “smart” molecular hybrids with the ability to switch properties in response to external stimuli.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"367 - 378"},"PeriodicalIF":0.9,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Materials Based on ZnS-CeF3 for Interference Optics 基于ZnS-CeF3的干涉光学新材料
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-07-26 DOI: 10.1007/s11237-025-09840-0
V. F. Zinchenko, A. V. Babenko, P. G. Doga, I. R. Magunov, B. A. Gorshtein, O. V. Mozkova
{"title":"New Materials Based on ZnS-CeF3 for Interference Optics","authors":"V. F. Zinchenko,&nbsp;A. V. Babenko,&nbsp;P. G. Doga,&nbsp;I. R. Magunov,&nbsp;B. A. Gorshtein,&nbsp;O. V. Mozkova","doi":"10.1007/s11237-025-09840-0","DOIUrl":"10.1007/s11237-025-09840-0","url":null,"abstract":"<p>The optical properties (IR spectra and luminescence spectra) of polycrystalline materials based on ZnS-CeF<sub>3</sub> systems have been investigated. A significant change in the transmittance and luminescence spectra of the sintered samples compared to the individual components and their mechanical mixture is established. A thin-film coating, transparent in the UV, visible and IR spectral ranges (a refractive index of 1.97) has been obtained by the method of thermal evaporation in vacuum. The obtained coating is promising for interference optics.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"390 - 396"},"PeriodicalIF":0.9,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simultaneous Photocatalytic Formation of Hydrogen and Benzaldehyde in Aqueous–Acetonitrile Solutions of Benzyl Alcohol with the Participation of Crystalline Carbon Nitride Doped with Oxygen 掺杂氧的结晶氮化碳在苯甲醇水-乙腈溶液中同时光催化生成氢和苯甲醛
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-07-26 DOI: 10.1007/s11237-025-09839-7
G. V. Korzhak, A. S. Kutsenko, V. V. Shvalagin, O. V. Melnichenko, S. Ya. Kuchmiy
{"title":"Simultaneous Photocatalytic Formation of Hydrogen and Benzaldehyde in Aqueous–Acetonitrile Solutions of Benzyl Alcohol with the Participation of Crystalline Carbon Nitride Doped with Oxygen","authors":"G. V. Korzhak,&nbsp;A. S. Kutsenko,&nbsp;V. V. Shvalagin,&nbsp;O. V. Melnichenko,&nbsp;S. Ya. Kuchmiy","doi":"10.1007/s11237-025-09839-7","DOIUrl":"10.1007/s11237-025-09839-7","url":null,"abstract":"<p>Samples of oxygen-doped crystalline carbon nitride were synthesized by a two-step ionothermal method. The obtained materials were characterized by scanning electron microscopy, X-ray diffraction, spectrophotometry, and luminescence and IR spectroscopy. has almost no effect on the morphology and crystal structure of samples, but it leads to an increase in the absorption intensity in the visible range of the spectrum and luminescence quenching. The synthesized materials exhibit high photocatalytic activity in the simultaneous production of hydrogen and benzaldehyde upon irradiation of benzyl alcohol solutions in a water/acetonitrile mixture. The apparent quantum yields of benzaldehyde and hydrogen formation under optimal conditions reach Φ ≈ 80% at λ<sub>irr</sub> = 405 nm.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"379 - 389"},"PeriodicalIF":0.9,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of the Structure of Zinc(II) Coordination Polymers on the Luminescent Characteristics of Their Composites with Fluorescein 锌（II）配位聚合物结构对荧光素复合材料发光特性的影响
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-07-26 DOI: 10.1007/s11237-025-09843-x
I. L. Andriichuk, L. V. Tsymbal, Ya. D. Lampeka
{"title":"Influence of the Structure of Zinc(II) Coordination Polymers on the Luminescent Characteristics of Their Composites with Fluorescein","authors":"I. L. Andriichuk,&nbsp;L. V. Tsymbal,&nbsp;Ya. D. Lampeka","doi":"10.1007/s11237-025-09843-x","DOIUrl":"10.1007/s11237-025-09843-x","url":null,"abstract":"<p>It has been shown that the structure of coordination polymers formed by a macrocyclic zinc complex and aromatic carboxylates significantly affects the luminescent properties of their composites with fluorescein. It was found that the obtained materials are characterized by energy transfer between coordination and organic luminophores, resulting in their bimodal luminescence.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"413 - 419"},"PeriodicalIF":0.9,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chronovoltammetric Method Use of Kinetic Study of Trans-Cis Isomerization of Complex Compounds 用时间伏安法研究络合物反式顺式异构化的动力学
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-07-26 DOI: 10.1007/s11237-025-09845-9
V. S. Kublanovsky, V. M. Nikitenko, E. A. Babenkov
{"title":"Chronovoltammetric Method Use of Kinetic Study of Trans-Cis Isomerization of Complex Compounds","authors":"V. S. Kublanovsky,&nbsp;V. M. Nikitenko,&nbsp;E. A. Babenkov","doi":"10.1007/s11237-025-09845-9","DOIUrl":"10.1007/s11237-025-09845-9","url":null,"abstract":"<p>A chronovoltammetric method for studying the kinetics of <i>trans-cis</i> isomerization of coordination metal compounds is proposed, using the example of a bis(glycinate) complex of palladium(II). It is shown that the isomerization of <i>trans</i>-[Pd(gly)<sub>2</sub>] to <i>cis</i>-[Pd(gly)<sub>2</sub>] is described by first-order kinetics; the rate constant (<i>k</i> = 1.08·10<sup>–4</sup> s<sup>–1</sup>) and the half-life (<i>t</i><sub>1/2</sub> = 107 min) were determined. It has been established that isomerization follows an intramolecular mechanism characteristic of square planar complexes, without changing the coordination number.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"427 - 434"},"PeriodicalIF":0.9,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Catalytic Activity of Carbon Nanotube/Al2O3 Composites in Methanol Conversion to Dimethyl Ether and Formaldehyde 碳纳米管/Al2O3复合材料在甲醇转化为二甲醚和甲醛中的催化活性
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-07-26 DOI: 10.1007/s11237-025-09841-z
O. O. Zhokh, V. I. Gritsenko, P. E. Strizhak
{"title":"Catalytic Activity of Carbon Nanotube/Al2O3 Composites in Methanol Conversion to Dimethyl Ether and Formaldehyde","authors":"O. O. Zhokh,&nbsp;V. I. Gritsenko,&nbsp;P. E. Strizhak","doi":"10.1007/s11237-025-09841-z","DOIUrl":"10.1007/s11237-025-09841-z","url":null,"abstract":"<p>The catalytic activity of nanocomposites based on carbon nanotubes and alumina in the process of dehydration and dehydrogenation of methanol to dimethyl ether and formaldehyde has been investigated. It is shown that the incorporation of carbon nanotubes into an alumina matrix leads to an increase in the catalyst activity in the methanol dehydrogenation reaction due to the hydrogen spillover effect.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 6","pages":"397 - 402"},"PeriodicalIF":0.9,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145371657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Functionalized Graphene-Like Boron Nitride Prepared Mechanochemically and Its Nanocomposite with Folic Acid 机械化学法制备功能化类石墨烯氮化硼及其与叶酸的纳米复合材料
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-05-28 DOI: 10.1007/s11237-025-09831-1
N. V. Konoshchuk, O. P. Rozovik, G. V. Fedorenko, V. G. Koshechko, V. D. Pokhodenko
{"title":"Functionalized Graphene-Like Boron Nitride Prepared Mechanochemically and Its Nanocomposite with Folic Acid","authors":"N. V. Konoshchuk,&nbsp;O. P. Rozovik,&nbsp;G. V. Fedorenko,&nbsp;V. G. Koshechko,&nbsp;V. D. Pokhodenko","doi":"10.1007/s11237-025-09831-1","DOIUrl":"10.1007/s11237-025-09831-1","url":null,"abstract":"<p>For the first time, a graphene-like material functionalized with nitrogen- and oxygen-containing groups (gBN<sub>f</sub>) with a developed surface was obtained by mechanochemical treatment of bulk boron nitride and ammonium carbonate with subsequent thermal exfoliation. It is established that ultrasonic delamination of gBN<sub>f</sub> in water leads to the formation of mainly single- and double-layer boron nitride nanoparticles. It is shown that the use of ammonium carbonate for the exfoliation of hBN significantly changes its morphology, which contributes to an increase in its specific surface area. Due to the binding of folic acid (FA) molecules to functional groups on the surface of gBN<sub>f</sub> nanoparticles, a gBN<sub>f</sub>FA nanocomposite has been obtained, in which gBN<sub>f</sub> nanoparticles enhance the photoluminescence intensity of folic acid by ~20 times, promoting the possible use of this material as a marker for the diagnosis of cancer cells.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 5","pages":"295 - 306"},"PeriodicalIF":0.9,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145171426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","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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