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Chemistry methods : new approaches to solving problems in chemistry最新文献

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Cover Picture: (Chem. Methods 6/2024) 封面图片：（化学方法 6/2024）
IF 6.1
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-06-27 DOI: 10.1002/cmtd.202480601
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引用次数: 0
Cover Picture: (Chem. Methods 5/2024) 封面图片：（化学方法 5/2024）
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-05-02 DOI: 10.1002/cmtd.202480501
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引用次数: 0
Cover Picture:(Chem. Methods 4/2024) 封面图片：（化学方法 4/2024）
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-04-09 DOI: 10.1002/cmtd.202480401
{"title":"Cover Picture:(Chem. Methods 4/2024)","authors":"","doi":"10.1002/cmtd.202480401","DOIUrl":"https://doi.org/10.1002/cmtd.202480401","url":null,"abstract":"<p>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":72562,"journal":{"name":"Chemistry methods : new approaches to solving problems in chemistry","volume":"4 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cmtd.202480401","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140541093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decoding Voltammograms at the Molecular Frontier: Integration of Voltammetry and Mass Spectrometry 分子前沿的伏安图解码：伏安法与质谱法的整合
IF 6.1
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-04-04 DOI: 10.1002/cmtd.202400003
Adarsh Koovakattil Surendran, Jana Roithová
{"title":"Decoding Voltammograms at the Molecular Frontier: Integration of Voltammetry and Mass Spectrometry","authors":"Adarsh Koovakattil Surendran,&nbsp;Jana Roithová","doi":"10.1002/cmtd.202400003","DOIUrl":"10.1002/cmtd.202400003","url":null,"abstract":"<p>Electrochemical reactions are better understood by gaining insight into the molecular transformations at the electrodes. This paper introduces a straightforward experimental arrangement in which the voltammetry experiment in a standard electrochemical cell integrates with online electrospray-ionization mass-spectrometry. The procedure allows for monitoring of the ions produced at the working electrode. The ionic species sampling is facilitated by a silica capillary embedded in the working electrode and connected directly to the electrospray ionization source. This integration configures real-time monitoring of the ions produced at the working electrode, enhancing our knowledge of the electrochemical process. The methodology is thoroughly described and exemplified by monitoring the reactive intermediates and products that arise during the electrochemical oxidation of carbazole. This design provides an opportunity to study intermediates in electrochemical reactions with advanced mass spectrometry methods such as ion mobility separation or ion spectroscopy.</p>","PeriodicalId":72562,"journal":{"name":"Chemistry methods : new approaches to solving problems in chemistry","volume":"4 6","pages":""},"PeriodicalIF":6.1,"publicationDate":"2024-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cmtd.202400003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140742907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover Picture: (Chem. Methods 3/2024) 封面图片：（化学方法 3/2024）
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-03-08 DOI: 10.1002/cmtd.202480301
{"title":"Cover Picture: (Chem. Methods 3/2024)","authors":"","doi":"10.1002/cmtd.202480301","DOIUrl":"https://doi.org/10.1002/cmtd.202480301","url":null,"abstract":"<p>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":72562,"journal":{"name":"Chemistry methods : new approaches to solving problems in chemistry","volume":"4 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cmtd.202480301","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140066482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non-Conventional Methodologies for the Synthesis of N-Nitrosamines 合成 N-亚硝胺的非常规方法
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-03-04 DOI: 10.1002/cmtd.202300053
Rojan Ali, Campbell S. Wolfe, Prof. Thomas Wirth
{"title":"Non-Conventional Methodologies for the Synthesis of N-Nitrosamines","authors":"Rojan Ali,&nbsp;Campbell S. Wolfe,&nbsp;Prof. Thomas Wirth","doi":"10.1002/cmtd.202300053","DOIUrl":"10.1002/cmtd.202300053","url":null,"abstract":"<p><i>N</i>-Nitrosamines acting as contaminants in our environment is a topic of increasing concern. Detection methods are required, necessitating analytical standards. Herein, we discuss some conventional methodologies to prepare <i>N</i>-nitrosamines and compare them with unconventional pathways towards their synthesis. These methods are often more environmentally benign and safer.</p>","PeriodicalId":72562,"journal":{"name":"Chemistry methods : new approaches to solving problems in chemistry","volume":"4 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cmtd.202300053","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140266892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Elimination of Pyridine from a Uranium Trichloride Precursor 热消除三氯化铀前体中的吡啶
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-03-01 DOI: 10.1002/cmtd.202300052
Dr. Karla A. Erickson, Dr. Stephen S. Parker, Dr. Marisa J. Monreal
{"title":"Thermal Elimination of Pyridine from a Uranium Trichloride Precursor","authors":"Dr. Karla A. Erickson,&nbsp;Dr. Stephen S. Parker,&nbsp;Dr. Marisa J. Monreal","doi":"10.1002/cmtd.202300052","DOIUrl":"10.1002/cmtd.202300052","url":null,"abstract":"<p>Renewed interest in advanced nuclear reactors, such as Molten Salt Reactors (MSRs), has spurred studies in actinide halide chemistry and property measurements. Several proposed research-scale and commercial MSR designs incorporate uranium trichloride (UCl<sub>3</sub>) fuel. There are relatively few preparations for isolated actinide halides reported in the literature, therefore novel methods for the isolation of pure material are desired. This communication describes the thermal elimination of pyridine (py) from the coordination complex UCl<sub>3</sub>py<sub>2</sub> to yield gram-scale quantities of UCl<sub>3</sub>. The purity of the UCl<sub>3</sub> product was determined through powder X-ray Diffractometry (pXRD) and Elemental Analysis (EA).</p>","PeriodicalId":72562,"journal":{"name":"Chemistry methods : new approaches to solving problems in chemistry","volume":"4 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cmtd.202300052","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140091135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemogenetic Tools in Focus: Proximity, Conformation, and Sterics 聚焦化学遗传工具：邻近性、构象和立体性
IF 6.1
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-02-29 DOI: 10.1002/cmtd.202300051
Dr. Jiaqi Shen, Guanwei Zhou, Prof. Dr. Wenjing Wang
{"title":"Chemogenetic Tools in Focus: Proximity, Conformation, and Sterics","authors":"Dr. Jiaqi Shen,&nbsp;Guanwei Zhou,&nbsp;Prof. Dr. Wenjing Wang","doi":"10.1002/cmtd.202300051","DOIUrl":"10.1002/cmtd.202300051","url":null,"abstract":"<p>Chemogenetic tools are genetically encoded systems regulated by user-defined chemicals. Their ability to temporally modulate protein functions in specific cell populations has facilitated in-depth understanding of dynamic biological systems. Many chemogenetic domains have been developed for regulating a wide range of biological processes, ranging from cellular events to animal behaviors. These tools share some common mechanisms, including proximity regulation, conformational change and allosteric control, as well as steric hinderance control. Here in this review, we aim to provide an overview of different chemogenetic tool designs that utilize the above three common mechanisms to control cellular events.</p>","PeriodicalId":72562,"journal":{"name":"Chemistry methods : new approaches to solving problems in chemistry","volume":"4 6","pages":""},"PeriodicalIF":6.1,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cmtd.202300051","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140417031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover Picture: (Chem. Methods 2/2024) 封面图片：（化学方法 2/2024）
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-02-08 DOI: 10.1002/cmtd.202480201
{"title":"Cover Picture: (Chem. Methods 2/2024)","authors":"","doi":"10.1002/cmtd.202480201","DOIUrl":"https://doi.org/10.1002/cmtd.202480201","url":null,"abstract":"<p>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":72562,"journal":{"name":"Chemistry methods : new approaches to solving problems in chemistry","volume":"4 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cmtd.202480201","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139716884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Versatile Spectroscopic Cell for Operando Studies in Heterogeneous Catalysis Using Tender X-ray Spectroscopy in Fluorescence Mode 利用荧光模式下的嫩 X 射线光谱进行异相催化操作研究的多功能光谱池
Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2024-01-16 DOI: 10.1002/cmtd.202300044
H. A. Suarez Orduz, S.-L. Heck, Dr. P. Dolcet, Dr. Y. Watier, Dr. M. Casapu, Prof. Dr. J.-D. Grunwaldt, Dr. P. Glatzel
{"title":"Versatile Spectroscopic Cell for Operando Studies in Heterogeneous Catalysis Using Tender X-ray Spectroscopy in Fluorescence Mode","authors":"H. A. Suarez Orduz,&nbsp;S.-L. Heck,&nbsp;Dr. P. Dolcet,&nbsp;Dr. Y. Watier,&nbsp;Dr. M. Casapu,&nbsp;Prof. Dr. J.-D. Grunwaldt,&nbsp;Dr. P. Glatzel","doi":"10.1002/cmtd.202300044","DOIUrl":"10.1002/cmtd.202300044","url":null,"abstract":"<p>The design and commissioning of a cell suitable for <i>operando</i> studies using high-energy-resolution fluorescence-detected X-ray absorption near-edge structure (HERFD-XANES) spectroscopy in the tender X-ray regime is reported. The cell is optimized for measurements within the energy range of 1.5 keV to 4.5 keV. It has a plug-flow geometry and can be used for sieved powder samples, analogous to reactors employed for laboratory tests. The functionality of the spectroscopic cell is demonstrated in the area of emission control using CO oxidation as target reaction over 1 wt.% Rh/γ-Al<sub>2</sub>O<sub>3</sub> as catalyst. We show how HERFD-XANES at the Rh L<sub>3</sub>-edge captures variations in the noble metal structure resulting from the interaction with the support material and reactant molecules. Moreover, distinct structural changes were identified along the catalyst bed as a function of temperature and local gas mixture.</p>","PeriodicalId":72562,"journal":{"name":"Chemistry methods : new approaches to solving problems in chemistry","volume":"4 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cmtd.202300044","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139618687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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