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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
Ketalization of Glycerol with Acetone in the Presence of Natural Aluminosilicates Modified with Arenesulfonic Acid 丙烯磺酸改性天然硅酸铝存在下丙酮与甘油的酮化反应
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-05-27 DOI: 10.1007/s11237-025-09833-z
A. S. Davtian, O. O. Levchenko, G. L. Kamalov
{"title":"Ketalization of Glycerol with Acetone in the Presence of Natural Aluminosilicates Modified with Arenesulfonic Acid","authors":"A. S. Davtian,&nbsp;O. O. Levchenko,&nbsp;G. L. Kamalov","doi":"10.1007/s11237-025-09833-z","DOIUrl":"10.1007/s11237-025-09833-z","url":null,"abstract":"<p>The kinetics of the reaction of glycerol with acetone in the presence of natural aluminosilicates modified with arenesulfonic acid fragments has been studied. The influence of the molar ratio of the reagents, reaction temperature, and the catalyst mass fraction on glycerol conversion and a rate of the accumulation of the main product (solketal) is established. The kinetic parameters of the reaction are determined.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 5","pages":"315 - 320"},"PeriodicalIF":0.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170818","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
Protic Ion-Crosslinked Polymeric Ionic Liquids Based on Silsesquioxane Oligomers with Different Types of Amine Sites 基于不同类型胺位硅氧烷低聚物的质子离子交联聚合物离子液体
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-05-27 DOI: 10.1007/s11237-025-09835-x
V. V. Shevchenko, M. A. Gumenna, O. V. Stryutsky, I. M. Tkachenko, A. M. Pylypenko, L. L. Kovalenko, V. V. Kravchenko
{"title":"Protic Ion-Crosslinked Polymeric Ionic Liquids Based on Silsesquioxane Oligomers with Different Types of Amine Sites","authors":"V. V. Shevchenko,&nbsp;M. A. Gumenna,&nbsp;O. V. Stryutsky,&nbsp;I. M. Tkachenko,&nbsp;A. M. Pylypenko,&nbsp;L. L. Kovalenko,&nbsp;V. V. Kravchenko","doi":"10.1007/s11237-025-09835-x","DOIUrl":"10.1007/s11237-025-09835-x","url":null,"abstract":"<p>A method for the synthesis of protic ion-crosslinked polymeric ionic liquids (PILs), which consists in neutralization of oligosilsesquioxanes (OSS) containing secondary aliphatic amino groups and imidazole heterocycles in an organic framework with telechelic oligoethylene oxide containing terminal sulfonic acid groups, has been developed. The OSS component determines the amorphous structure of OSS-PILs. Changing the degree of neutralization allows to regulate the content of ionic groups and the mechanism of proton movement while maintaining close values of glass transition temperature (~ –27°C) with the reaching of a single-ion proton conductivity of 4.3∙10<sup>–4</sup> S/cm at 100°C in the absence of moisture. The OSS-PILs are promising proton-conducting media for electrochemical devices.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 5","pages":"328 - 336"},"PeriodicalIF":0.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170844","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
Multilayer Adsorption of Rhodamine 6G onto Composite of Bentonite and Polybutadiene Rubber Modified with Phosphate and Phosphonate Groups 磷酸、膦基改性膨润土-聚丁二烯橡胶复合材料对罗丹明6G的多层吸附
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-05-26 DOI: 10.1007/s11237-025-09838-8
S. Aliyeva, I. Buniyatzadeh, R. Alosmanov
{"title":"Multilayer Adsorption of Rhodamine 6G onto Composite of Bentonite and Polybutadiene Rubber Modified with Phosphate and Phosphonate Groups","authors":"S. Aliyeva,&nbsp;I. Buniyatzadeh,&nbsp;R. Alosmanov","doi":"10.1007/s11237-025-09838-8","DOIUrl":"10.1007/s11237-025-09838-8","url":null,"abstract":"<p>It is shown that the adsorption of Rhodamine 6G (Rh6G) onto a composite material obtained by oxidative chlorophosphorylation of polybutadiene rubber and bentonite with subsequent hydrolysis is satisfactory described with using the models containg at least three parameters. The need to use such multi –parametric models for description of Rh6G adsorption can be a sign of its multilayered adsorption on the adsorbent, as well as the cooperative effect. The high adsorption capacity of the composite towards Rh6G can be caused by its electrostatic binding with phosphate and phosphonate functional groups on the surface.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 5","pages":"357 - 366"},"PeriodicalIF":0.9,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170164","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
Photocatalytic Oxidative Esterification of Benzaldehyde with the Participation of Crystalline Carbon Nitride 结晶氮化碳参与下苯甲醛的光催化氧化酯化反应
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-05-26 DOI: 10.1007/s11237-025-09832-0
G. V. Korzhak, T. R. Stara, S. Ya. Kuchmiy
{"title":"Photocatalytic Oxidative Esterification of Benzaldehyde with the Participation of Crystalline Carbon Nitride","authors":"G. V. Korzhak,&nbsp;T. R. Stara,&nbsp;S. Ya. Kuchmiy","doi":"10.1007/s11237-025-09832-0","DOIUrl":"10.1007/s11237-025-09832-0","url":null,"abstract":"<p>It has been established that crystalline carbon nitride obtained by heat treatment of g-C<sub>3</sub>N<sub>4</sub> in molten KCl and LiCl salts exhibits photocatalytic activity in the oxidative esterification of benzaldehyde in methanol and ethanol solutions. The reaction proceeds only in the presence of palladium ions, which are reduced with the alcohols in situ, and acid, which promote benzaldehyde acetalization. A probable mechanism of the photocatalytic process is proposed, which involves the oxidation of acetal by a superoxide ion radical, the subsequent interaction of the formed acetal radical with an oxygen molecule, the formation of a tickle organic peroxide and its fragmentation according to the Russell mechanism with the formation of benzoate.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 5","pages":"307 - 314"},"PeriodicalIF":0.9,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170154","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
Selective Sorbents Based on Silica Modified with 1,10-Phenanthroline Derivatives for FE(II) and FE(III) Ions 1,10-邻菲罗啉衍生物改性二氧化硅对FE（II）和FE（III）离子的选择性吸附剂
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-05-26 DOI: 10.1007/s11237-025-09836-w
V. Ya. Chernii, V. Ya. Demchenko, N. G. Kobylinska
{"title":"Selective Sorbents Based on Silica Modified with 1,10-Phenanthroline Derivatives for FE(II) and FE(III) Ions","authors":"V. Ya. Chernii,&nbsp;V. Ya. Demchenko,&nbsp;N. G. Kobylinska","doi":"10.1007/s11237-025-09836-w","DOIUrl":"10.1007/s11237-025-09836-w","url":null,"abstract":"<p>A new sorbent for the extraction of metal ions has been obtained by immobilization of 1,10-phenanthroline derivatives on the silica surface, which significantly exceeds analogues obtained by adsorption immobilization of 1,10-phenanthroline on the surface in terms of sorption properties. The developed sorbent selectively removes Fe(II) at pH = 1.0; at pH &gt; 4, on the contrary, preferentially adsorbs Fe(III). The sorption kinetic of Fe(II) and Fe(III) ions is described by a pseudo-second-order equation corresponding to their chemisorption on the sorbent surface. The distribution coefficients of Fe(II) ions on the obtained sorbent reach to 10<sup>4</sup>-10<sup>5</sup> cm<sup>3</sup>/g, which reveal the prospects of its using for the selective removal of Fe(II) ions from aqueous solutions in the presence of macrocomponents of natural waters, as well as for the determination of Fe(II) and Fe(III) ions in environmental and drinking waters at the maximum permissible level and below.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 5","pages":"337 - 350"},"PeriodicalIF":0.9,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170155","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
Surface Morphology of Aluminum Foil with Implanted Titanium 注入钛后铝箔的表面形貌
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-05-26 DOI: 10.1007/s11237-025-09834-y
V. O. Zazhigalov, O. V. Sanzhak, I. V. Bacherikova, O. A. Diyuk, R. Nowakowski
{"title":"Surface Morphology of Aluminum Foil with Implanted Titanium","authors":"V. O. Zazhigalov,&nbsp;O. V. Sanzhak,&nbsp;I. V. Bacherikova,&nbsp;O. A. Diyuk,&nbsp;R. Nowakowski","doi":"10.1007/s11237-025-09834-y","DOIUrl":"10.1007/s11237-025-09834-y","url":null,"abstract":"<p>The samples with titanium implanted on aluminum foil surface (Ti/Al) treated in air at different temperatures (25-500°C) have been studied using atomic force microscopy (AFM), X-ray diffraction, sclerometry, low temperature krypton adsorption. The AFM method data reveal that titanium implantation leads to formation of secondary porous structure, accompanied by a simultaneous increase in the surface area (from 0.004 up to 0.3 m<sup>2</sup>/g) and mechanical strength of surface layer (from 1.5 up to 3.3 GPa) in comparison with initial aluminum foil. Maximum values of specific surface area (1.3 m<sup>2</sup>/g) and mechanical strength of surface layer (5.2 GPa) are obtained after treatment of implant at 400 °C, which is associated with the formation of a larger number of mesopores in the surface layer. The prospect of using such a sample as catalysts support is shown.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 5","pages":"321 - 327"},"PeriodicalIF":0.9,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170165","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
Oxygen Anion-Radical Complexes with Mo(VI) on MoOx/SiO2 Catalysts and Their Role in the Oxidation of Methane to Methanol MoOx/SiO2催化剂上氧阴离子自由基与Mo（VI）配合物及其在甲烷氧化制甲醇中的作用
IF 0.9 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-05-26 DOI: 10.1007/s11237-025-09837-9
E. H. Ismailov, Sh. F. Tagiyeva, S. N. Osmanova, A. I. Rustamova, L. V. Huseynova
{"title":"Oxygen Anion-Radical Complexes with Mo(VI) on MoOx/SiO2 Catalysts and Their Role in the Oxidation of Methane to Methanol","authors":"E. H. Ismailov,&nbsp;Sh. F. Tagiyeva,&nbsp;S. N. Osmanova,&nbsp;A. I. Rustamova,&nbsp;L. V. Huseynova","doi":"10.1007/s11237-025-09837-9","DOIUrl":"10.1007/s11237-025-09837-9","url":null,"abstract":"<p>Oxygen anion radicals <span>({O}_{2}^{-cdot })</span> coordinated with one Mo(VI) have been identified in MoO<sub>x</sub>/SiO<sub>2</sub> samples enriched with <sup>95</sup>Mo isotope. It is shown that unpaired electron is mainly localized on the oxygen ion (g<sub>z</sub> = 2.017, g<sub>y</sub> = 2.004, g<sub>x</sub> = 1.999; A<sub>x</sub>(<sup>95</sup>Mo) = 6.1, A<sub>y</sub>(<sup>95</sup>Mo) = 6.0, A<sub>z</sub>(<sup>95</sup>Mo)=9.1 G; ∆H<sub>x</sub> = ∆H<sub>y</sub> = 2,2 G and ∆H<sub>z</sub> = 2,6 G). Using a special freezing technique, peroxide radicals (CH<sub>3</sub>OO<sup>·</sup>), which are the products of the reaction of the methyl radical with molecular oxygen in the gas phase, have been identified. The oxidation pathways of methane to methanol with participation of the oxygen ion radicals coordinated directly by Mo(VI) are discussed.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 5","pages":"351 - 356"},"PeriodicalIF":0.9,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170156","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 Nature of Rare Earth Elements (Y, La, Ce) on Physicochemical and Catalytic Properties of Mg-Al Oxide System in the Vapor-Phase Conversion of Ethanol Into 1-Butanol 稀土元素（Y、La、Ce）性质对Mg-Al氧化体系气相转化乙醇制1-丁醇理化及催化性能的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-04-02 DOI: 10.1007/s11237-025-09827-x
K. V. Valihura, O. V. Larina, S. O. Soloviev
{"title":"Influence of the Nature of Rare Earth Elements (Y, La, Ce) on Physicochemical and Catalytic Properties of Mg-Al Oxide System in the Vapor-Phase Conversion of Ethanol Into 1-Butanol","authors":"K. V. Valihura,&nbsp;O. V. Larina,&nbsp;S. O. Soloviev","doi":"10.1007/s11237-025-09827-x","DOIUrl":"10.1007/s11237-025-09827-x","url":null,"abstract":"<p>The results of study on the influence of rare earth elements (Y, La, Ce) on physicochemical characteristics and catalytic properties of Mg-Al oxide system in the vapor phase condensation process of ethanol with the obtaining of 1-butanol are presented. The Mg-Al-Y-oxide catalyst is established to have the highest selectivity for the target product 1-butanol, as well as the stability of operation over time. The positive effect of yttrium consists in the formation of additional acidic and basic sites on the catalyst surface.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 4","pages":"262 - 270"},"PeriodicalIF":0.7,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835580","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
Kinetics of Oxidation of Aliphatic Primary Alcohols by Ethylenediammonium Dichromate in Dimethyl Sulfoxide 重铬酸乙二铵在二甲亚砜中氧化脂肪族伯醇的动力学研究
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-04-02 DOI: 10.1007/s11237-025-09830-2
C. P. Saini, A. Ali, D. Panday
{"title":"Kinetics of Oxidation of Aliphatic Primary Alcohols by Ethylenediammonium Dichromate in Dimethyl Sulfoxide","authors":"C. P. Saini,&nbsp;A. Ali,&nbsp;D. Panday","doi":"10.1007/s11237-025-09830-2","DOIUrl":"10.1007/s11237-025-09830-2","url":null,"abstract":"<p>Kinetics of oxidation of primary alcohols by ethylenediammonium dichromate in dimethyl sulfoxide has been investigated. It is established that all studied alcohols are oxidized according to the same mechanism, which invlolves catalysis by hydrogen ions with the formation of electron-deficient cyclic transition state, and the reaction order for C<sub>2</sub>H<sub>4</sub>(NH<sub>4</sub>)<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub> is 1. The presence of primary of kinetic isotope effect indicates the C–H cleavage (not the C–C cleavage) in alcohols in the reaction process.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 4","pages":"284 - 294"},"PeriodicalIF":0.7,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835578","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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