Journal of Analytical Chemistry最新文献

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Method for the Quantitative Detection of Isoforms of Translation Initiation Factors 4E in Potato Leaf Tissues Using Multiple Reaction Monitoring 多反应监测马铃薯叶片组织翻译起始因子4E同工型的定量检测方法
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S106193482470120X
V. D. Karlov, V. Yu. Korchinskaya, O. I. Klychnikov
{"title":"Method for the Quantitative Detection of Isoforms of Translation Initiation Factors 4E in Potato Leaf Tissues Using Multiple Reaction Monitoring","authors":"V. D. Karlov,&nbsp;V. Yu. Korchinskaya,&nbsp;O. I. Klychnikov","doi":"10.1134/S106193482470120X","DOIUrl":"10.1134/S106193482470120X","url":null,"abstract":"<p>Potato, like other <i>Solanaceae</i> plants, have a small family of eukaryotic translation initiation factors 4E (eIF4E), including four proteins eIF4E-1, eIF4E-2, eIF(iso)4E, and the novel cap-binding protein (nCBP). These factors play roles in the process of the post-transcriptional regulation of gene expression. The eIF4Es are also used by numerous RNA viruses to synthesize their proteins. The quantitative detection of eIF4Es at the proteome level yields data about their abundances and the involvement of each factor in the process of translation initiation under normal and stress conditions. To quantify eIF4Es, we have developed a mass spectrometry protocol for the detection of isoforms in potato <i>S. tuberosum</i> leaf tissues by multiple reaction monitoring (MRM) assay. As a result, we have detected all potato eIF4Es and determined their amounts with the most abundant protein, eIF4E-1.</p>","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1995 - 2003"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889649","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 Mass Spectra: Electron Ionization Mass Spectra of Camphene and Bornane Thioterpenoids 新的质谱:莰烯类和龙骨类硫萜类的电子电离质谱
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S1061934824701119
L. R. Shamsutdinova, R. Z. Musin, A. V. Bodrov, L. E. Nikitina, I. Kh. Rizvanov
{"title":"New Mass Spectra: Electron Ionization Mass Spectra of Camphene and Bornane Thioterpenoids","authors":"L. R. Shamsutdinova,&nbsp;R. Z. Musin,&nbsp;A. V. Bodrov,&nbsp;L. E. Nikitina,&nbsp;I. Kh. Rizvanov","doi":"10.1134/S1061934824701119","DOIUrl":"10.1134/S1061934824701119","url":null,"abstract":"","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1992 - 1994"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889724","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
Application of Stir-Bar Sorptive Extraction for Determination of Organic Pollutants in Snow by Thermal Desorption Gas Chromatography—High-Resolution Mass Spectrometry 搅拌杆吸附萃取热解吸气相色谱-高分辨率质谱法测定雪中有机污染物
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S1061934824701181
T. B. Latkin, D. S. Kosyakov, N. V. Ul’yanovskii
{"title":"Application of Stir-Bar Sorptive Extraction for Determination of Organic Pollutants in Snow by Thermal Desorption Gas Chromatography—High-Resolution Mass Spectrometry","authors":"T. B. Latkin,&nbsp;D. S. Kosyakov,&nbsp;N. V. Ul’yanovskii","doi":"10.1134/S1061934824701181","DOIUrl":"10.1134/S1061934824701181","url":null,"abstract":"<p>Studying the chemical composition of snow as an indicator of atmospheric pollution at high latitudes is crucial for understanding the transport processes of pollutants in the atmosphere and assessing the anthropogenic impact on Arctic ecosystems. This study proposes a method for detecting and quantifying semi-volatile micropollutants in snow by combining stir-bar sorptive extraction (SBSE) with thermal desorption (TD) gas chromatography–high resolution mass spectrometry (Orbitrap). Optimizing of SBSE conditions using 76 test priority atmospheric pollutants allowed detection limits to be achieved for most non-polar and weakly polar semi-volatile compounds at the levels ranging from 0.01 to 1 ng L<sup>–1</sup>. The method demonstrated the ability of detecting 62 analytes and achieving the highly sensitive determination of 32 analytes, with low labor costs using a minimum amount of sample (100 g). The SBSE-TD-GC–HRMS method for snow analysis was developed and validated. Tests on real samples from the Novaya Zemlya and Franz Josef Land archipelagos detected 29 pollutants from various classes, including polycyclic aromatic hydrocarbons, phenols, phthalates, nitro- and chloro-organic compounds, and their derivatives, with concentrations ranging from 0.1 to 50 ng kg<sup>–1</sup>.</p>","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1923 - 1934"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889576","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
Mass-Spectrometric Characterization of Oligomeric Products from Hydroquinone Oxidation by Hydrogen Peroxide as an Analytical Problem of Particularly Complexity 过氧化氢氧化对苯二酚低聚产物的质谱表征——一个特别复杂的分析问题
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S1061934824701193
M. A. Kuznetsov, T. A. Kornilova, E. P. Podol’skaya, A. S. Gladchuk, A. K. Buryak, I. V. Minenkova, A. S. Pan’kova, V. G. Makarov, A. L. Zagorskii, I. G. Zenkevich
{"title":"Mass-Spectrometric Characterization of Oligomeric Products from Hydroquinone Oxidation by Hydrogen Peroxide as an Analytical Problem of Particularly Complexity","authors":"M. A. Kuznetsov,&nbsp;T. A. Kornilova,&nbsp;E. P. Podol’skaya,&nbsp;A. S. Gladchuk,&nbsp;A. K. Buryak,&nbsp;I. V. Minenkova,&nbsp;A. S. Pan’kova,&nbsp;V. G. Makarov,&nbsp;A. L. Zagorskii,&nbsp;I. G. Zenkevich","doi":"10.1134/S1061934824701193","DOIUrl":"10.1134/S1061934824701193","url":null,"abstract":"<p>The oxidation of hydroquinone with hydrogen peroxide in the presence of catalytic amounts of FeSO<sub>4</sub> results in complex mixtures of oligomers. The average composition of these products is determined by the molar ratio of reagents and varies from (C<sub>6</sub>H<sub>4</sub>O<sub>4</sub>)<sub><i>n</i></sub> at the hydroquinone to hydrogen peroxide ratio 1 : 3 to (C<sub>6</sub>H<sub>4</sub>O<sub>6</sub>)<sub><i>n</i></sub> at the ratio 1 : 5. A characteristic feature of MALDI mass spectra for polymers is the periodicity of signals. However, no such periodicity is observed for the products of hydroquinone oxidation within the <i>m</i>/<i>z</i> range &lt;1000 Da, indicating the absence of fixed sequences of structural fragments. This unique feature arises from the variable ratios and irregular positions of polyhydroxyphenylene and polyhydroxybenzoquinone fragments. Additionally, several factors contribute to the lack of mass-spectral periodicity, namely, the potential formation of peroxides, the presence of stable hydrates, various types of linkages, and possible interactions between hydroxylated phenylene and benzoquinone fragments. In contrast, for <i>m</i>/<i>z</i> values &gt;1000 Da, MALDI mass spectra exhibit periodicity with a mass difference of Δ(<i>m</i>/<i>z</i>) = 74. This value likely corresponds to the fragment C<sub>2</sub>H<sub>2</sub>O<sub>3</sub>, which is neither a hydroquinone nor a benzoquinone structural unit. Taking into account that an equal Δ(<i>m</i>/<i>z</i>) value is observed for fragment ions in the EI mass spectrum of tetrahydroxy<i>-p</i>-benzoquinone, this gives indirect evidence for the presence of polyhydroxybenzoquinone fragments within the oligomers. A key issue regarding the structure of hydroquinone oxidation products is the type of linkages between the polyhydroxyphenylene and/or polyhydroxybenzoquinone units, which could involve C–C or C–O–C bonds (or both). The available spectral data do not resolve this issue conclusively. However, the presence of a sample of the composition (C<sub>6</sub>H<sub>4</sub>O<sub>6</sub>)<sub><i>n</i></sub>, in which each unit contains six oxygen atoms, suggests that at least one oxygen atom forms a bond between the units, indicating a C–O–C connection. Overall, the unique nature of oligomeric products of hydroquinone oxidation explains their high structural variability and redox properties, which likely contribute to their unique pharmacological characteristics.</p>","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1907 - 1917"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890463","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
Expected and Unexpected Results in the Separation of Distributions of Deuterosubstituted Multicharged Ions of Apamin and Its Complex Apamin及其配合物氘取代多电荷离子分布分离的预期和意外结果
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S1061934824701156
V. V. Raznikov, M. O. Raznikova, I. V. Sulimenkov, V. V. Zelenov
{"title":"Expected and Unexpected Results in the Separation of Distributions of Deuterosubstituted Multicharged Ions of Apamin and Its Complex","authors":"V. V. Raznikov,&nbsp;M. O. Raznikova,&nbsp;I. V. Sulimenkov,&nbsp;V. V. Zelenov","doi":"10.1134/S1061934824701156","DOIUrl":"10.1134/S1061934824701156","url":null,"abstract":"<p>This work is devoted to the analysis of the results obtained during the separation of the mass spectra of apamin and its complex after the deutero-hydrogen substitution of these molecules when leaving the electrospray ion source. The goal of the work was to determine the origin of the structural components identified in apamin and its complex. The separation method assumes that the substitution of labile hydrogen atoms with deuterium ones occurs independently, while charge carriers are retained independently too by various amino acid residues of a polypeptide with a specific structural form. This method also includes an indirect assessment of the contribution of natural isotopes to the measured data, without requiring knowledge of the elemental composition or other structural features of the biomolecule under study. Previously, we performed similar calculations by directly accounting for the contribution of natural isotopes. For apamin electrosprayed ions, after introducing a gas flow of ND<sub>3</sub> into the molecular ion reactor of the mass spectrometer, three main components were identified, with contributions of approximately 57, 39, and 5%. The new method yielded three components with similar contributions, which was anticipated. More noteworthy, though, and particularly relevant in various data collection and computation scenarios, is the paper’s description of the reliable identification of minor components with contributions of no more than 4%. Some of these components have almost identical formally found H/D distributions across different charges, remaining within or near the natural isotopic distribution range of apamin. This suggests that these components correspond to the structures of apamin ions and their complex in a solution without labile hydrogen atoms, such as during the formation of hydrogen bonds, or with a relatively small number of D-substituted hydrogen atoms, where protons carrying an ion charge do not participate in the exchange, particularly when more than two ion charges are present. Such a result was not anticipated in advance. This paper demonstrates the probable presence of three forms of apamin ions and its complex, each with distinct capacities for H/D exchange directly in the analyzed apamin solution. The limitations of the developed approach in decreasing the number of sites accepted to be involved in the exchange of hydrogen for deuterium, and in retaining charge carriers, are also discussed.</p>","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1965 - 1984"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889651","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
Electron Ionization Mass Spectra of (β-Hydroxy-,β-Acetoxy)Sulphides, -Sulfones in the 1,3-Dioxane and 1,3-Dioxolane Series 1,3-二恶烷和1,3-二恶烷系列中(β-羟基-、β-乙酰氧基)硫化物、-砜的电子电离质谱
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S1061934824701107
L. R. Shamsutdinova, R. Z. Musin, R. S. Pavelyev, I. Kh. Rizvanov
{"title":"Electron Ionization Mass Spectra of (β-Hydroxy-,β-Acetoxy)Sulphides, -Sulfones in the 1,3-Dioxane and 1,3-Dioxolane Series","authors":"L. R. Shamsutdinova,&nbsp;R. Z. Musin,&nbsp;R. S. Pavelyev,&nbsp;I. Kh. Rizvanov","doi":"10.1134/S1061934824701107","DOIUrl":"10.1134/S1061934824701107","url":null,"abstract":"","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1962 - 1964"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889725","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
Rapid Characterization of Kraft Lignin Depolymerization Products by High-Resolution Mass Spectrometry with Visualization of Mass Spectrometric Data 硫酸盐木质素解聚产物的高分辨率质谱快速表征与质谱数据可视化
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S1061934824701168
I. I. Pikovskoi, I. S. Shavrina, D. S. Kosyakov
{"title":"Rapid Characterization of Kraft Lignin Depolymerization Products by High-Resolution Mass Spectrometry with Visualization of Mass Spectrometric Data","authors":"I. I. Pikovskoi,&nbsp;I. S. Shavrina,&nbsp;D. S. Kosyakov","doi":"10.1134/S1061934824701168","DOIUrl":"10.1134/S1061934824701168","url":null,"abstract":"<p>Kraft (sulfate) lignin is a large-scale by-product of the pulp and paper industry and a promising renewable raw material for the production of a wide range of chemicals and materials with high added value. One of the main directions of valorization of technical lignin is conversion into low-molecular-weight phenolic products using various depolymerization methods. To solve the problems of operational control of ongoing processes and the molecular level characterization of complex mixtures of formed low-molecular-weight compounds, this study proposes the use of atmospheric pressure photoionization high-resolution mass spectrometry in combination with visualizing the resulting data sets based on elemental ratios (van Krevelen diagrams) and Kendrick mass defects. Using this methodology, the kraft lignin depolymerization products formed in a supercritical isopropanol medium were characterized, and the effect of additives of nitrogen-containing catalysts (hydroxylamine and diethylamine) on the ongoing processes and the composition of the resulting products were studied. The leading role of reduction processes in the transformation of lignin oligomers under the action of isopropanol was shown, and the characteristic differences between the products obtained in the absence and with the addition of nitrogen-containing catalysts were revealed.</p>","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1899 - 1906"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889579","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
Prospects for Monitoring Aromatic and Mitochondrial Metabolites Using Gas Chromatography–Mass Spectrometry during Extracorporeal Blood Purification in Patients with Sepsis 在脓毒症患者体外血液净化过程中使用气相色谱-质谱法监测芳香和线粒体代谢物的前景
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S106193482470117X
A. K. Pautova, A. A. Sergeev, N. V. Beloborodova
{"title":"Prospects for Monitoring Aromatic and Mitochondrial Metabolites Using Gas Chromatography–Mass Spectrometry during Extracorporeal Blood Purification in Patients with Sepsis","authors":"A. K. Pautova,&nbsp;A. A. Sergeev,&nbsp;N. V. Beloborodova","doi":"10.1134/S106193482470117X","DOIUrl":"10.1134/S106193482470117X","url":null,"abstract":"","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1951 - 1955"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889654","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
Use of Derivatization for Detecting Dibenzothiophene Oxidation Products by Soft Ionization Mass Spectrometry 衍生化用于软电离质谱法检测二苯并噻吩氧化产物
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-27 DOI: 10.1134/S1061934824701132
J. E. Starkova, M. E. Zimens, N. Yu. Polovkov, A. Yu. Kanateva, R. S. Borisov, V. G. Zaikin
{"title":"Use of Derivatization for Detecting Dibenzothiophene Oxidation Products by Soft Ionization Mass Spectrometry","authors":"J. E. Starkova,&nbsp;M. E. Zimens,&nbsp;N. Yu. Polovkov,&nbsp;A. Yu. Kanateva,&nbsp;R. S. Borisov,&nbsp;V. G. Zaikin","doi":"10.1134/S1061934824701132","DOIUrl":"10.1134/S1061934824701132","url":null,"abstract":"<p>A new approach to detecting dibenzothiophene-5,5-dioxides by soft mass spectrometry methods has been developed. This method involves the chemical modification of target compounds with phenols in the presence of trifluoroacetic anhydride to form organic salts. The cations of these salts are easily desorbed under matrix-assisted laser desorption/ionization (MALDI) conditions and extracted by electrospray ionization (ESI). Upon collisional activation, the derivatization products eliminate the aryl oxy substituent from the sulfur atom, enabling the detection of derivatization products through selected reaction monitoring.</p>","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 13","pages":"1935 - 1941"},"PeriodicalIF":1.0,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889655","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
Determination of Urea and Humate in Humate Fertilizers Using ATR FTIR Spectroscopy 利用 ATR 傅立叶变换红外光谱测定腐殖酸肥料中的尿素和腐殖酸盐
IF 1 4区 化学
Journal of Analytical Chemistry Pub Date : 2024-12-14 DOI: 10.1134/S1061934824701338
E. A. Karpukhina, G. A. Khromov, D. S. Volkov, M. A. Proskurnin
{"title":"Determination of Urea and Humate in Humate Fertilizers Using ATR FTIR Spectroscopy","authors":"E. A. Karpukhina,&nbsp;G. A. Khromov,&nbsp;D. S. Volkov,&nbsp;M. A. Proskurnin","doi":"10.1134/S1061934824701338","DOIUrl":"10.1134/S1061934824701338","url":null,"abstract":"<div><p>Conditions for the simultaneous determination of urea and humate concentrations in aqueous fertilizers using attenuated total reflection Fourier transform (ATR FTIR) spectroscopy were proposed. The spectra of urea and humate were identified. The characteristic absorption bands of urea and humate were selected for their simultaneous determination. Errors in the determinations of urea and humate were minimal when analytical signals were measured at 1628 and 1598 cm<sup>–1</sup> (10−200 g/L) and 1380 cm<sup>–1</sup> (10−100 g/L), respectively. When the humate and urea contents of their mixtures were calculated using Vierordt’s method, the error in determining each component was 3%. The determination conditions proposed were tested using model fertilizers and commercial humate fertilizers.</p></div>","PeriodicalId":606,"journal":{"name":"Journal of Analytical Chemistry","volume":"79 12","pages":"1764 - 1772"},"PeriodicalIF":1.0,"publicationDate":"2024-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142821378","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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