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Effect of pH on radiation-induced synthesis of gold nanoparticles in solutions of poly(1-vinylimidazole)–AuIII complexes pH对聚(1-乙烯基咪唑)-AuIII配合物中辐射诱导合成金纳米粒子的影响
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.039
Alexey A. Zharikov , Elena A. Zezina , Anastasia V. Bolshakova , Andrey V. Sybachin , Alexander S. Pozdnyakov , Vladimir I. Feldman , Alexey A. Zezin
{"title":"Effect of pH on radiation-induced synthesis of gold nanoparticles in solutions of poly(1-vinylimidazole)–AuIII complexes","authors":"Alexey A. Zharikov ,&nbsp;Elena A. Zezina ,&nbsp;Anastasia V. Bolshakova ,&nbsp;Andrey V. Sybachin ,&nbsp;Alexander S. Pozdnyakov ,&nbsp;Vladimir I. Feldman ,&nbsp;Alexey A. Zezin","doi":"10.1016/j.mencom.2024.10.039","DOIUrl":"10.1016/j.mencom.2024.10.039","url":null,"abstract":"<div><div>Irradiation of an aqueous ethanol solution of poly(1-vinylimidazole) containing Au<sup>III</sup> ions with X-rays leads to the generation of gold nanoparticles (AuNPs) with an average size determined by the pH value of the medium. The results obtained demonstrate a prominent example of the formation of stable ultrasmall AuNPs (&lt;2 nm) at neutral pH.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 893-895"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743937","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
Water-soluble lanthanide complexes with bispidine-substituted benzoic acid for luminescent thermometry in a physiological range 水溶性镧系配合物与比斯必啶取代苯甲酸在生理范围内的发光测温
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.012
Anastasia V. Orlova , Diana S. Polyakova , Alexander I. Dalinger , Vladislava Yu. Kozhevnikova , Elizaveta V. Lider , Sergey Z. Vatsadze , Valentina V. Utochnikova
{"title":"Water-soluble lanthanide complexes with bispidine-substituted benzoic acid for luminescent thermometry in a physiological range","authors":"Anastasia V. Orlova ,&nbsp;Diana S. Polyakova ,&nbsp;Alexander I. Dalinger ,&nbsp;Vladislava Yu. Kozhevnikova ,&nbsp;Elizaveta V. Lider ,&nbsp;Sergey Z. Vatsadze ,&nbsp;Valentina V. Utochnikova","doi":"10.1016/j.mencom.2024.10.012","DOIUrl":"10.1016/j.mencom.2024.10.012","url":null,"abstract":"<div><div>A novel material based on europium and terbium complexes with a bispidine-substituted benzoate anion for luminescent thermometry in the physiological temperature range was obtained. The obtained complexes demonstrated intense visible luminescence with quantum yields up to 75%, high water solubility, and high luminescence sensitivity toward temperature (<em>S</em><sub>r</sub> = 2.1% K<sup>–1</sup>).</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 805-807"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743813","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
First comb-like copolymer of poly(ethyl 2-cyanoacrylate) grafted as a side-chain to dextran 第一个梳状聚(2-氰基丙烯酸乙酯)共聚物作为侧链接枝到右旋糖酐
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.035
Valery A. Dyatlov , Tatiana S. Seregina , Igor A. Derevnin , Efrem G. Krivoborodov , Anna A. Belyaeva , Anna B. Malashicheva , Alexander V. Dyatlov
{"title":"First comb-like copolymer of poly(ethyl 2-cyanoacrylate) grafted as a side-chain to dextran","authors":"Valery A. Dyatlov ,&nbsp;Tatiana S. Seregina ,&nbsp;Igor A. Derevnin ,&nbsp;Efrem G. Krivoborodov ,&nbsp;Anna A. Belyaeva ,&nbsp;Anna B. Malashicheva ,&nbsp;Alexander V. Dyatlov","doi":"10.1016/j.mencom.2024.10.035","DOIUrl":"10.1016/j.mencom.2024.10.035","url":null,"abstract":"<div><div>The first comb-like cyanoacrylic copolymer was synthesized by anionic polymerization of ethyl 2-cyanoacrylate in an aqueous solution of dextran of <em>M</em><sub>w</sub> = 50 ± 5 kDa. The copolymer was explored by NMR and Fourier IR spectroscopy, as well as by MALDI-TOF mass-spectrometry methods. It contains up to 10 cyanoacrylate units grafted to anhydroglucose cycles of dextran main chain, multi- substituted glycose units were not detected.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 881-883"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743925","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
Heat capacity and phase transformation of cesium monomolybdate 单钼酸铯的热容与相变
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.043
Nata I. Matskevich , Danil V. Kochelakov , Dmitrii A. Samoshkin , Sergei V. Stankus , Anna N. Semerikova , Mariya Yu. Rozhina , Olga I. Anyfrieva
{"title":"Heat capacity and phase transformation of cesium monomolybdate","authors":"Nata I. Matskevich ,&nbsp;Danil V. Kochelakov ,&nbsp;Dmitrii A. Samoshkin ,&nbsp;Sergei V. Stankus ,&nbsp;Anna N. Semerikova ,&nbsp;Mariya Yu. Rozhina ,&nbsp;Olga I. Anyfrieva","doi":"10.1016/j.mencom.2024.10.043","DOIUrl":"10.1016/j.mencom.2024.10.043","url":null,"abstract":"<div><div>The Cs<sub>2</sub>MoO<sub>4</sub> single crystal grown by the Czochralski method was characterized using X-ray diffraction analysis and its heat capacity was measured by differential scanning calorimetry in the temperature range of 319–900 K. It was found that the single crystal undergoes a phase transition at a temperature of 842 K, therefore it is promising for applications in the temperature range of 319–842 K.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 905-907"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743933","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
Lanthanide complexes with (4,7-dichloro-1,10-phenanthroline-2,9-diyl)bis(pyrrolidin-1-ylmethanone): bifunctional materials for homogeneous catalysis and luminescent thermometry 镧系与(4,7-二氯-1,10-菲罗啉-2,9-二基)双(吡咯烷-1-基甲烷)配合物:均相催化和发光测温双功能材料
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.018
Anastasia V. Orlova , Yiming Yin , Valentine S. Petrov , Pavel S. Lemport , Vladislava Yu. Kozhevnikova , Valentine G. Nenajdenko , Valentina V. Utochnikova
{"title":"Lanthanide complexes with (4,7-dichloro-1,10-phenanthroline-2,9-diyl)bis(pyrrolidin-1-ylmethanone): bifunctional materials for homogeneous catalysis and luminescent thermometry","authors":"Anastasia V. Orlova ,&nbsp;Yiming Yin ,&nbsp;Valentine S. Petrov ,&nbsp;Pavel S. Lemport ,&nbsp;Vladislava Yu. Kozhevnikova ,&nbsp;Valentine G. Nenajdenko ,&nbsp;Valentina V. Utochnikova","doi":"10.1016/j.mencom.2024.10.018","DOIUrl":"10.1016/j.mencom.2024.10.018","url":null,"abstract":"<div><div>The first bifunctional materials for simultaneous catalysis and temperature measurements were obtained based on europium and ytterbium complexes with (4,7-dichloro-1,10- phenanthroline-2,9-diyl)bis(pyrrolidin-1-ylmethanone). The complexes demonstrated intense visible and NIR luminescence, the ability to homogeneously catalyze the Henry reaction, and high luminescence sensitivity to temperature (<em>S</em><sub>r</sub> = 1.7% K<sup>−1</sup>).</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 825-827"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743827","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
Impact of electron transport layer uniformity on field-induced degradation of inverted perovskite solar cells 电子传输层均匀性对倒置钙钛矿太阳能电池场致降解的影响
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.024
Nikita A. Emelianov , Victoria V. Ozerova , Anastasia A. Bizyaeva , Mikhail S. Leshchev , Pavel A. Troshin
{"title":"Impact of electron transport layer uniformity on field-induced degradation of inverted perovskite solar cells","authors":"Nikita A. Emelianov ,&nbsp;Victoria V. Ozerova ,&nbsp;Anastasia A. Bizyaeva ,&nbsp;Mikhail S. Leshchev ,&nbsp;Pavel A. Troshin","doi":"10.1016/j.mencom.2024.10.024","DOIUrl":"10.1016/j.mencom.2024.10.024","url":null,"abstract":"<div><div>The impact of different electron transport layers (ETLs) based on fullerene derivatives, such as the well-known PC<sub>61</sub>BM and promising 3-pyridyl-substituted pyrrolidino[60]fullerene (PYF-30), on the electric field-induced degradation of inverted perovskite solar cells has been demonstrated. Devices assembled using PYF-30 and PC<sub>61</sub>BM deposited from deuterated chloroform exhibit significantly higher stability compared to PC<sub>61</sub>BM films deposited from chlorobenzene. The main reason for the decrease in the efficiency of the device during aging is the formation of pinhole-type defects in the ETL caused by the agglomeration of molecules of fullerene derivatives.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 844-846"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743915","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
Molecular dynamics simulation of the formation of carbon structures during carbon vapor deposition on Ni substrate Ni衬底上碳气相沉积过程中碳结构形成的分子动力学模拟
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.009
Vitaliy O. Ryabov , Vladimir A. Andryushchenko , Dmitriy S. Gluzdov
{"title":"Molecular dynamics simulation of the formation of carbon structures during carbon vapor deposition on Ni substrate","authors":"Vitaliy O. Ryabov ,&nbsp;Vladimir A. Andryushchenko ,&nbsp;Dmitriy S. Gluzdov","doi":"10.1016/j.mencom.2024.10.009","DOIUrl":"10.1016/j.mencom.2024.10.009","url":null,"abstract":"<div><div>Molecular dynamics simulation of carbon vapor deposition on Ni substrate in the temperature range from 300 to 1750 K was performed. It was found that at temperatures below 1000 K, ordered carbon structures are most actively formed in the gas phase. At temperatures of 1000–1500 K, carbon rings are formed near the surface of the Ni substrate, and close to the melting temperature, no structures are observed.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 795-797"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743810","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
Crystallization behavior of fluorozirconate glasses as monitored by 35Cl NMR 35Cl核磁共振监测氟锆酸盐玻璃的结晶行为
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.042
Andrei A. Gippius , Aleksei V. Tkachev , Eleonora A. Kravchenko , Leonid A. Vaimugin , Liudmila V. Moiseeva , Maria N. Brekhovskikh
{"title":"Crystallization behavior of fluorozirconate glasses as monitored by 35Cl NMR","authors":"Andrei A. Gippius ,&nbsp;Aleksei V. Tkachev ,&nbsp;Eleonora A. Kravchenko ,&nbsp;Leonid A. Vaimugin ,&nbsp;Liudmila V. Moiseeva ,&nbsp;Maria N. Brekhovskikh","doi":"10.1016/j.mencom.2024.10.042","DOIUrl":"10.1016/j.mencom.2024.10.042","url":null,"abstract":"<div><div>The <sup>35</sup>Cl nuclear magnetic resonance (NMR) spectroscopy was first used to study the crystallization of erbium-doped fluorochlorozirconate glass in the ZrF<sub>4</sub>–BaF<sub>2</sub>–BaCl<sub>2</sub>–LaF<sub>3</sub>–AlF<sub>3</sub>–NaF system. It has been shown that crystallization results in the increasing homogeneity of electronic structure on chlorine atoms and a narrowing of the NMR line. The glass being crystallized, erbium cations are displaced into the fluoride phase.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 902-904"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743932","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
Towards accurate machine learning predictions of properties of the P–O bond cleaving in ATP upon enzymatic hydrolysis 迈向准确的机器学习预测ATP酶解时P-O键切割的性质
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.003
Igor V. Polyakov , Kirill D. Miroshnichenko , Tatiana I. Mulashkina , Alexander A. Moskovsky , Ekaterina I. Marchenko , Maria G. Khrenova
{"title":"Towards accurate machine learning predictions of properties of the P–O bond cleaving in ATP upon enzymatic hydrolysis","authors":"Igor V. Polyakov ,&nbsp;Kirill D. Miroshnichenko ,&nbsp;Tatiana I. Mulashkina ,&nbsp;Alexander A. Moskovsky ,&nbsp;Ekaterina I. Marchenko ,&nbsp;Maria G. Khrenova","doi":"10.1016/j.mencom.2024.10.003","DOIUrl":"10.1016/j.mencom.2024.10.003","url":null,"abstract":"<div><div>Molecular dynamic simulations using QM/MM potentials are performed for the enzyme–substrate complex of adenosine triphosphate (ATP) with the motor protein myosin. Machine learning methods are applied to a dataset consisting of the geometry parameters of the active site in the enzyme–substrate complex to predict the Laplacian of electron density at the bond critical point of the P<sub>G</sub>–O<sub>3B</sub> bond being broken in ATP. Using a gradient boosting machine learning model, a mean absolute error of 0.01 a.u. and an <em>R</em><sup>2</sup> score of 0.99 are achieved, and it is found that the P<sub>G</sub>–O<sub>3B</sub> bond length is the most important feature, contributing 2/3, while other geometry features contribute 1/3.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 776-779"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743913","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
Reduction in the growth rate of a hydrate film at the interface of liquid CO2 and an aqueous solution of humic acids in comparison with that with pure water and sodium dodecyl sulfate solution 与纯水和十二烷基硫酸钠溶液相比,液体CO2和腐植酸水溶液界面处水合膜生长速率的降低
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.044
Aleksei K. Sagidullin , Kseniya A. Mustafina , Polina N. Tkacheva
{"title":"Reduction in the growth rate of a hydrate film at the interface of liquid CO2 and an aqueous solution of humic acids in comparison with that with pure water and sodium dodecyl sulfate solution","authors":"Aleksei K. Sagidullin ,&nbsp;Kseniya A. Mustafina ,&nbsp;Polina N. Tkacheva","doi":"10.1016/j.mencom.2024.10.044","DOIUrl":"10.1016/j.mencom.2024.10.044","url":null,"abstract":"<div><div>The rates of growth of a hydrate film on the contact surface of an aqueous phase and liquid carbon dioxide were studied. In 0.1% solutions of humic acids, the film growth rate was lower by a factor of approximately 4 than that in pure water and a 0.1% solution of sodium dodecyl sulfate. Possible reasons for the decrease in growth rates are briefly discussed.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 908-910"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743934","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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