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Precursor method for the synthesis of highly dispersed ZrO2 doped with scandium 合成掺杂钪的高分散 ZrO2 的前驱体方法
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.005
Olga I. Gyrdasova, Rina F. Samigullina, Elena V. Vladimirova, Irina S. Medyankina, Larisa Yu. Buldakova, Mikhail Yu. Yanchenko, Liliya A. Pasechnik
{"title":"Precursor method for the synthesis of highly dispersed ZrO2 doped with scandium","authors":"Olga I. Gyrdasova,&nbsp;Rina F. Samigullina,&nbsp;Elena V. Vladimirova,&nbsp;Irina S. Medyankina,&nbsp;Larisa Yu. Buldakova,&nbsp;Mikhail Yu. Yanchenko,&nbsp;Liliya A. Pasechnik","doi":"10.1016/j.mencom.2024.09.005","DOIUrl":"10.1016/j.mencom.2024.09.005","url":null,"abstract":"<div><div>The solid solutions of Zr<sub>1–</sub><em><sub>x</sub></em>Sc<em><sub>x</sub></em>O<sub>2–</sub><em><sub>δ</sub></em> (0 &lt; <em>x</em> ≤ 0.1) were prepared using a precursor technology, and their structural, optical, and photocatalytic characteristics were studied. Mixed formates synthesized by an original method were used as precursors. Scandium favored the formation of ZrO<sub>2</sub> in tetragonal syngony and increased its photoactivity in the UV range.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 640-642"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433573","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
Sol–gel prepared ZnO: UV irradiation effect on structure and surface properties 溶胶凝胶制备的氧化锌：紫外线辐照对结构和表面特性的影响
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.006
Ivan V. Sukhov , Ivan A. Filippov , Igor A. Pronin , Victor V. Sysoev , Valeriy M. Kondratev , Alexei S. Komolov , Eleonora F. Lazneva , Andrey A. Karmanov , Nadezhda D. Yakushova , Vyacheslav A. Moshnikov , Ghenadii Korotcenkov
{"title":"Sol–gel prepared ZnO: UV irradiation effect on structure and surface properties","authors":"Ivan V. Sukhov ,&nbsp;Ivan A. Filippov ,&nbsp;Igor A. Pronin ,&nbsp;Victor V. Sysoev ,&nbsp;Valeriy M. Kondratev ,&nbsp;Alexei S. Komolov ,&nbsp;Eleonora F. Lazneva ,&nbsp;Andrey A. Karmanov ,&nbsp;Nadezhda D. Yakushova ,&nbsp;Vyacheslav A. Moshnikov ,&nbsp;Ghenadii Korotcenkov","doi":"10.1016/j.mencom.2024.09.006","DOIUrl":"10.1016/j.mencom.2024.09.006","url":null,"abstract":"<div><div>The effect of UV irradiation on sol–gel prepared ZnO films subjected to mild thermal annealing was investigated, with special attention to their structural and surface properties. Sol–gel processes, including a high-temperature annealing stage, have been adapted to the requirements of flexible electronics for <em>in situ</em> synthesis of semiconductor ZnO films on polymer substrates at lower temperatures due to UV irradiation. Application of UV radiation with emission peaks at 185 and 254 nm to films annealed at 180 °C made it possible to obtain ZnO films with Zn/O ratios of <em>ca</em>. 1, which cannot be achieved by heat treatment alone.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 643-646"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433574","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
Organocatalytic domino formation of (3R,3aS,9bR)-configured 3-aryl-3a-benzamido-1,3a,4,9b-tetrahydrochromeno[4,3-b]pyrroles in carbon dioxide medium 在二氧化碳介质中有机催化形成 (3R,3aS,9bR)-构型 3-芳基-3a-苯甲酰胺基-1,3a,4,9b-四氢苯并吡喃并[4,3-b]吡咯的多米诺效应
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.022
Olga V. Turova, Albert G. Nigmatov, Evgeniya V. Filatova, Andrei A. Vasil’ev, Sergei G. Zlotin
{"title":"Organocatalytic domino formation of (3R,3aS,9bR)-configured 3-aryl-3a-benzamido-1,3a,4,9b-tetrahydrochromeno[4,3-b]pyrroles in carbon dioxide medium","authors":"Olga V. Turova,&nbsp;Albert G. Nigmatov,&nbsp;Evgeniya V. Filatova,&nbsp;Andrei A. Vasil’ev,&nbsp;Sergei G. Zlotin","doi":"10.1016/j.mencom.2024.09.022","DOIUrl":"10.1016/j.mencom.2024.09.022","url":null,"abstract":"<div><div>Asymmetric cycloaddition/intramolecular rearrangement domino reaction of 2-(2-hydroxybenzylideneamino)- malonates with 4-arylidene-2-phenyloxazol-5(4<em>H</em>)-ones can be efficiently carried out in sub- or supercritical carbon dioxide to afford (3<em>R</em>,3a<em>S</em>,9b<em>R</em>)-3-aryl-3a-benzamido-4-oxo-1,3a,4,9b-tetrahydrochromeno[4,3-<em>b</em>]pyrrole-2,2(3<em>H</em>)- dicarboxylates in high yields with up to 99% <em>ee</em>. Excellent stereoinduction is provided in this process by the use of bifunctional hybrid organocatalyst consisting of squaramide (thiourea) and chiral tertiary amine units.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 694-697"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433585","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
Alkylphenyl-substituted imidazolines as corrosion inhibitors: experimental and DFT study 作为腐蚀抑制剂的烷基苯基取代咪唑类化合物：实验和 DFT 研究
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.041
Daniil R. Bazanov , Yaroslav G. Avdeev , Natalia A. Lozinskaya , Tatiana E. Andreeva , Yurii I. Kuznetsov
{"title":"Alkylphenyl-substituted imidazolines as corrosion inhibitors: experimental and DFT study","authors":"Daniil R. Bazanov ,&nbsp;Yaroslav G. Avdeev ,&nbsp;Natalia A. Lozinskaya ,&nbsp;Tatiana E. Andreeva ,&nbsp;Yurii I. Kuznetsov","doi":"10.1016/j.mencom.2024.09.041","DOIUrl":"10.1016/j.mencom.2024.09.041","url":null,"abstract":"<div><div>A series of steel corrosion inhibitors based on poly(alkyl-phenyl)-2-imidazolines was synthesized from available reagents. Electronic parameters that influence binding to a metal surface have been determined, and the influence of substituents on the geometry of binding to the surface has been studied. The resulting compounds have a degree of protection of steel in hydrochloric acid solutions in individual form above 98% at 60 °C and in a mixture with urotropine more than 99% at 95 °C.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 751-754"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433688","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
Pt/C electrocatalysts based on N-doped carbon materials from waste plant biomass 基于从废弃植物生物质中提取的掺杂 N 的碳材料的 Pt/C 电催化剂
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.032
Daria V. Chernysheva , Victor A. Klushin , Anastasia A. Alekseenko , Elizaveta A. Moguchikh , Evgeny A. Kolesnikov , Mikhail V. Gorshenkov , Vasily V. Kaichev , Lev N. Fesenko , Nina V. Smirnova
{"title":"Pt/C electrocatalysts based on N-doped carbon materials from waste plant biomass","authors":"Daria V. Chernysheva ,&nbsp;Victor A. Klushin ,&nbsp;Anastasia A. Alekseenko ,&nbsp;Elizaveta A. Moguchikh ,&nbsp;Evgeny A. Kolesnikov ,&nbsp;Mikhail V. Gorshenkov ,&nbsp;Vasily V. Kaichev ,&nbsp;Lev N. Fesenko ,&nbsp;Nina V. Smirnova","doi":"10.1016/j.mencom.2024.09.032","DOIUrl":"10.1016/j.mencom.2024.09.032","url":null,"abstract":"<div><div>The N-doped carbon material obtained by thermochemical conversion of a polycondensation product of a liquid fraction of humins (a waste product of plant biomass conversion into furan derivatives) with the nitrogen-containing crosslinking component melamine was investigated as a support in Pt/C electrocatalysts for the oxygen reduction reaction.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 725-728"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433695","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
Tripeptide Phe-Trp-Leu-NH2 as a putative endogenous ligand of TSPO: molecular modeling, synthesis and pharmacological activity 三肽 Phe-Trp-Leu-NH2 作为 TSPO 的假定内源配体：分子建模、合成和药理活性
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.018
Olga A. Deeva , Andrey S. Pantileev , Oxana Yu. Kravtsova , Sergey V. Nikolaev , Nikolay A. Zefirov , Polina Yu. Povarnina , Tatiana A. Antipova , Tatiana A. Gudasheva , Vladimir L. Dorofeev
{"title":"Tripeptide Phe-Trp-Leu-NH2 as a putative endogenous ligand of TSPO: molecular modeling, synthesis and pharmacological activity","authors":"Olga A. Deeva ,&nbsp;Andrey S. Pantileev ,&nbsp;Oxana Yu. Kravtsova ,&nbsp;Sergey V. Nikolaev ,&nbsp;Nikolay A. Zefirov ,&nbsp;Polina Yu. Povarnina ,&nbsp;Tatiana A. Antipova ,&nbsp;Tatiana A. Gudasheva ,&nbsp;Vladimir L. Dorofeev","doi":"10.1016/j.mencom.2024.09.018","DOIUrl":"10.1016/j.mencom.2024.09.018","url":null,"abstract":"<div><div>The putative endogenous tripeptide ligand of the translocator protein (TSPO) l-phenylalanyl-l-tryptophanyl-l-leucine amide was obtained using the drug-based peptide design strategy and molecular modeling. This tripeptide demonstrated anxiolytic activity in the elevated plus-maze test and antidepressant-like activity in the forced swimming test in BALB/c mice at the doses of 10 mg kg<sup>−1</sup> (<em>i.p</em>.) and also showed neuroprotective activity in the concentration range of 10<sup>−5</sup>–10<sup>−7</sup> m <em>in vitro</em> under conditions of oxidative stress using HT-22 neuronal cell line.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 682-684"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433581","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
Photophysical properties of 2’-hydroxychalcones of 2-cinnamoyl-4-nitro-1-naphthol series 2'-hydroxychalcones of 2-cinnamoyl-4-nitro-1-naphthol series 的光物理特性
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.014
Sergey D. Batalin
{"title":"Photophysical properties of 2’-hydroxychalcones of 2-cinnamoyl-4-nitro-1-naphthol series","authors":"Sergey D. Batalin","doi":"10.1016/j.mencom.2024.09.014","DOIUrl":"10.1016/j.mencom.2024.09.014","url":null,"abstract":"<div><div>2<em>’</em>-Hydroxychalcones of 2-cinnamoyl-4-nitro-1-naphthol series were obtained by the condensation between 2-acetyl- 4-nitro-1-naphthol and benzaldehydes. The presence of the 4-positioned nitro group in the 1-hydroxy-2-naphthyl fragment contributes to the excited state intramolecular proton transfer (ESIPT) fluorescence of these 2<em>’</em>-hydroxy- chalcones in the solid state. Compound with dimethyl- amino substituent, 2-(4-dimethylaminocinnamoyl)-4-nitro- 1-naphthol, also demonstrates ESIPT in solution.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 670-672"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433579","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
Structural study of minor C84 isomers as chlorofullerenes, C84(11)Cl22, C84(14)Cl22, C84(16)Cl22, and C84(16)Cl24 作为氯富勒烯的次要 C84 异构体 C84(11)Cl22、C84(14)Cl22、C84(16)Cl22 和 C84(16)Cl24 的结构研究
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.035
Nadezhda B. Tamm, Sergey I. Troyanov
{"title":"Structural study of minor C84 isomers as chlorofullerenes, C84(11)Cl22, C84(14)Cl22, C84(16)Cl22, and C84(16)Cl24","authors":"Nadezhda B. Tamm,&nbsp;Sergey I. Troyanov","doi":"10.1016/j.mencom.2024.09.035","DOIUrl":"10.1016/j.mencom.2024.09.035","url":null,"abstract":"<div><div>Chlorofullerenes C<sub>84</sub>Cl<sub>22,24</sub> were obtained by chlorination of minor C<sub>84</sub> isomers mixture with VCl<sub>4</sub> at 330 °C. An X-ray crystallographic study with the use of synchrotron radiation revealed the presence of C<sub>84</sub>(11)Cl<sub>22</sub>, C<sub>84</sub>(14)Cl<sub>22</sub>, C<sub>84</sub>(16)Cl<sub>22</sub>, and C<sub>84</sub>(16)Cl<sub>24</sub> in the same crystal.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 734-736"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433660","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
Two-route formation of soot nuclei: experimental and modeling evidence 烟尘核的双通道形成：实验和模型证据
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.036
Emmanuel Busillo , Pavel A. Vlasov , Vladimir N. Smirnov , Dmitrii I. Mikhailov , Vladimir S. Arutyunov
{"title":"Two-route formation of soot nuclei: experimental and modeling evidence","authors":"Emmanuel Busillo ,&nbsp;Pavel A. Vlasov ,&nbsp;Vladimir N. Smirnov ,&nbsp;Dmitrii I. Mikhailov ,&nbsp;Vladimir S. Arutyunov","doi":"10.1016/j.mencom.2024.09.036","DOIUrl":"10.1016/j.mencom.2024.09.036","url":null,"abstract":"<div><div>The results of shock-tube measurements of acetylene concentration and characteristics of the ensemble of soot particles during the pyrolysis of benzene, ethylene, ethylene–methane and ethylene–propane diluted with argon are compared with the predictions of the unified kinetic model of soot formation implemented in the MACRON program based on the Galerkin method. The simulation results demonstrate good agreement with experimental data for the pyrolysis of ethylene alone and with the specified additives, thereby confirming the two route mechanism of soot nuclei formation. The agreement for benzene pyrolysis is less satisfactory.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 737-739"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433562","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
Enthalpy and heat capacity of hydration of the cytostatic Dioxadet 细胞抑制剂 Dioxadet 的水合焓和热容量
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-09-01 Epub Date: 2024-10-14 DOI: 10.1016/j.mencom.2024.09.017
Nataliya L. Smirnova , Andrey V. Kustov , Airat A. Notfullin , Michail I. Yagofarov , Dmitriy V. Batov , Konstantin N. Semenov
{"title":"Enthalpy and heat capacity of hydration of the cytostatic Dioxadet","authors":"Nataliya L. Smirnova ,&nbsp;Andrey V. Kustov ,&nbsp;Airat A. Notfullin ,&nbsp;Michail I. Yagofarov ,&nbsp;Dmitriy V. Batov ,&nbsp;Konstantin N. Semenov","doi":"10.1016/j.mencom.2024.09.017","DOIUrl":"10.1016/j.mencom.2024.09.017","url":null,"abstract":"<div><div>Thermochemical data on hydration of the well-established anticancer agent Dioxadet were obtained. Its enthalpies of solution and sublimation at various temperatures were determined calorimetrically, and on their basis the standard enthalpy (Δ<sub>hydr</sub><em>H</em><sup>0</sup> = −154.6 ± 3.6 kJ mol<sup>−1</sup>) and the standard heat capacity (Δ<sub>hydr</sub><em>C</em><sub>p</sub><sup>0</sup> = 384 ± 80 J mol<sup>−1</sup> K<sup>−1</sup>) of the transfer of the solute from the state of an ideal gas to an aqueous solution at infinite dilution at 298.15 K were calculated.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 5","pages":"Pages 680-681"},"PeriodicalIF":1.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433580","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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