Communications Chemistry最新文献

The UV-Vis spectrum of the ClCO radical in the catalytic cycle of Cl-initiated CO oxidation. ClCO自由基在cl引发的CO氧化催化循环中的紫外可见光谱。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-24 DOI: 10.1038/s42004-025-01520-3

Wen Chao, Robert Skog, Benjamin N Frandsen, Gregory H Jones, Kayla T Pham, Mitchio Okumura, Mads P Sulbaek Andersen, Carl J Percival, Frank A F Winiberg

{"title":"The UV-Vis spectrum of the ClCO radical in the catalytic cycle of Cl-initiated CO oxidation.","authors":"Wen Chao, Robert Skog, Benjamin N Frandsen, Gregory H Jones, Kayla T Pham, Mitchio Okumura, Mads P Sulbaek Andersen, Carl J Percival, Frank A F Winiberg","doi":"10.1038/s42004-025-01520-3","DOIUrl":"10.1038/s42004-025-01520-3","url":null,"abstract":"In Venus's mesosphere, the observation/model discrepancy of molecular oxygen, O2, abundance has been a long-standing puzzle. Chlorine atoms have been proposed as a catalyst to oxidize carbon monoxide through the formation of chloroformyl radicals (ClCO), removing O2 and ultimately generating CO2. However, relevant kinetic studies of this catalytic cycle are scarce and highly uncertain. In this work, we report the spectrum of the ClCO radical between 210-520 nm using a multipass UV-Vis spectrometer coupled to a pulsed-laser photolysis flow reactor at 236-294 K temperature and 50-491 Torr pressure ranges. High-level ab initio calculations were performed to simulate the observed spectrum and to investigate the electronic structure. In addition, we observed the formation of molecular chlorine, Cl2, and phosgene, Cl2CO, suggesting that both the terminal chlorine and the central carbon in the ClCO radical are reactive towards chlorine atoms. Most importantly, the reported spectrum will enable future measurements of essential kinetic parameters related to ClCO radicals, which are important in regulating the O2 abundance in Venus's mesosphere.","PeriodicalId":10529,"journal":{"name":"Communications Chemistry","volume":"8 1","pages":"163"},"PeriodicalIF":5.9,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12103620/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144141596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Experimental evidence of kinetically driven mechanisms for soot inception. 烟灰形成的动力学驱动机制的实验证据。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-24 DOI: 10.1038/s42004-025-01552-9

Hope A Michelsen, Matthew F Campbell, K Olof Johansson, Paul E Schrader, Kevin R Wilson

引用次数: 0

Liquid phase exfoliation of graphene using ammonia as an easy-to-remove additive in low-boiling organic-water co-solvent suspensions. 在低沸点有机-水共溶剂悬浮液中，用氨作为易于去除的添加剂对石墨烯的液相剥离。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-23 DOI: 10.1038/s42004-025-01517-y

Martin Nastran, Paul Peschek, Izabela Walendzik, Jakob Rath, Bernhard Fickl, Jasmin S Schubert, Wolfgang Ipsmiller, Andreas Bartl, Gerd Mauschitz, Gabriel Szabo, Richard A Wilhelm, Jochen Schmidt, Dominik Eder, Bernhard C Bayer

{"title":"Liquid phase exfoliation of graphene using ammonia as an easy-to-remove additive in low-boiling organic-water co-solvent suspensions.","authors":"Martin Nastran, Paul Peschek, Izabela Walendzik, Jakob Rath, Bernhard Fickl, Jasmin S Schubert, Wolfgang Ipsmiller, Andreas Bartl, Gerd Mauschitz, Gabriel Szabo, Richard A Wilhelm, Jochen Schmidt, Dominik Eder, Bernhard C Bayer","doi":"10.1038/s42004-025-01517-y","DOIUrl":"10.1038/s42004-025-01517-y","url":null,"abstract":"Graphene nanosheets from suspensions are key to applications such as in printable films, battery/supercapacitor electrodes, fillers in composite materials or catalyst supports. We present a straightforward method for achieving high-concentration and long-term stable graphene suspensions by liquid phase exfoliation (LPE) via a combination of ammonia (NH3) as an easily removable additive together with low-boiling point, benign organic-water co-solvent mixtures as suspension media. We find that the addition of small amounts of NH3 as an additive drastically improves the obtainable LPE graphene concentrations by up to 2 orders of magnitude for a wide range of organic-water co-solvent mixtures including with isopropanol, methanol, ethanol, 1-propanol, tetrahydrofuran, acetonitrile, acetone, ethylene glycol and tert-butanol. With our approach we readily reach current benchmark graphene concentration values of ~180 mg·L-1 that are normally only obtainable using hard-to-remove high-boiling-point and hazardous standard solvents like dimethylformamide and 1-methyl-2-pyrrolydone or with hard-to-remove surfactants. Notably, NH3 as an additive is highly volatile and thus, as we show, easily removable without degrading the produced high quality graphene nanosheets.","PeriodicalId":10529,"journal":{"name":"Communications Chemistry","volume":"8 1","pages":"161"},"PeriodicalIF":5.9,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12102308/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144132209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Study on molecular orientation and stratification in RNA-lipid nanoparticles by cryogenic orbitrap secondary ion mass spectrometry. 低温轨道阱二次离子质谱法研究rna -脂质纳米颗粒的分子取向和分层。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-22 DOI: 10.1038/s42004-025-01526-x

Anna M Kotowska, Michael Fay, Julie A Watts, Ian S Gilmore, David J Scurr, Alaina Howe, Vladimir Capka, Corey E Perez, Devin Doud, Siddharth Patel, Mark Umbarger, Robert Langer, Morgan R Alexander

{"title":"Study on molecular orientation and stratification in RNA-lipid nanoparticles by cryogenic orbitrap secondary ion mass spectrometry.","authors":"Anna M Kotowska, Michael Fay, Julie A Watts, Ian S Gilmore, David J Scurr, Alaina Howe, Vladimir Capka, Corey E Perez, Devin Doud, Siddharth Patel, Mark Umbarger, Robert Langer, Morgan R Alexander","doi":"10.1038/s42004-025-01526-x","DOIUrl":"10.1038/s42004-025-01526-x","url":null,"abstract":"Lipid nanoparticle RNA (LNP-RNA) formulations are used for the delivery of vaccines and other therapies. RNA molecules are encapsulated within their interior through electrostatic interactions with positively charged lipids. The identity of the lipids that present at their surface play a role in how they interact with and are perceived by the body and their resultant potency. Here, we use a model formulation to develop cryogenic sample preparation for molecular depth profiling Orbitrap secondary ion mass spectrometry (Cryo-OrbiSIMS) preceded by morphological characterisation using cryogenic transmission electron microscopy (Cryo-TEM). It is found that the depth distribution of individual lipid components is revealed relative to the surface and the RNA cargo defining the core. A preferential lipid orientation can be determined for the 1,2-Dimyristoyl-glycero-3-methox-polyethylene glycol 2000 (DMG-PEG2k) molecule, by comparing the profiles of PEG to DMG fragments. PEG fragments are found immediately during analysis of the LNP surface, while the DMG fragments are deeper, coincident with RNA ions located in the core, in agreement with established models of LNPs. This laboratory-based de novo analysis technique requires no labelling, providing advantages over large facility neutron scattering characterisation.","PeriodicalId":10529,"journal":{"name":"Communications Chemistry","volume":"8 1","pages":"160"},"PeriodicalIF":5.9,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12098871/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144126716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural and mechanistic profiling of Nurr1 modulation by vidofludimus enables structure-guided ligand design. 通过vidofludimus对Nurr1调制的结构和机理分析使结构导向配体设计成为可能。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-21 DOI: 10.1038/s42004-025-01553-8

Úrsula López-García, Jan Vietor, Julian A Marschner, Jan Heering, Vasily Morozov, Thomas Wein, Daniel Merk

{"title":"Structural and mechanistic profiling of Nurr1 modulation by vidofludimus enables structure-guided ligand design.","authors":"Úrsula López-García, Jan Vietor, Julian A Marschner, Jan Heering, Vasily Morozov, Thomas Wein, Daniel Merk","doi":"10.1038/s42004-025-01553-8","DOIUrl":"10.1038/s42004-025-01553-8","url":null,"abstract":"The neuroprotective transcription factor nuclear receptor related 1 (Nurr1, NR4A2) is in the focus of biomedical research for its promising neuroprotective role in Parkinson's disease, Alzheimer's disease, and multiple sclerosis. Its activity can be controlled by ligands offering access to pharmacological Nurr1 modulation. However, the binding epitope(s) and molecular activation mechanisms of synthetic Nurr1 activators remained elusive but are essential to advance Nurr1 ligands towards new medicines. Here we characterized Nurr1 dimer dissociation and coregulator release as molecular contributions to Nurr1 activation by vidofludimus and locate its binding in an allosteric surface pocket lined by helices 1, 5, 7, and 8 by mutagenesis and molecular dynamics simulation. Structure-guided ligand design using these insights resulted in an optimized Nurr1 agonist with substantially enhanced potency and binding affinity. Our results provide a structural and molecular basis for Nurr1 activation by a synthetic agonist which was lacking for rational ligand design.","PeriodicalId":10529,"journal":{"name":"Communications Chemistry","volume":"8 1","pages":"159"},"PeriodicalIF":5.9,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12095788/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144119122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Author Correction: Factors affecting irreversible inhibition of EGFR and influence of chirality on covalent binding. 作者更正：影响EGFR不可逆抑制的因素及手性对共价结合的影响。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-19 DOI: 10.1038/s42004-025-01551-w

Pasquale A Morese, Ayaz Ahmad, Mathew P Martin, Richard A Noble, Sara Pintar, Lan Z Wang, Shangze Xu, Andrew Lister, Richard A Ward, Agnieszka K Bronowska, Martin E M Noble, Hannah L Stewart, Michael J Waring

引用次数: 0

Bridging electron and nuclear motions in chemical reactions through electrostatic forces from reactive orbitals. 通过反应轨道的静电力架桥化学反应中的电子和核运动。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-19 DOI: 10.1038/s42004-025-01556-5

Takao Tsuneda, Tetsuya Taketsugu

引用次数: 0

One-dimensional CrI₃ encapsulated within multi-walled carbon nanotubes. 在多壁碳纳米管内封装一维CrI3。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-16 DOI: 10.1038/s42004-025-01550-x

Ihsan Çaha, Aqrab Ul Ahmad, Loukya Boddapatti, Manuel Bañobre-López, António T Costa, Andrey N Enyashin, Weibin Li, Pierluigi Gargiani, Manuel Valvidares, Joaquín Fernández-Rossier, Francis Leonard Deepak

{"title":"One-dimensional CrI3 encapsulated within multi-walled carbon nanotubes.","authors":"Ihsan Çaha, Aqrab Ul Ahmad, Loukya Boddapatti, Manuel Bañobre-López, António T Costa, Andrey N Enyashin, Weibin Li, Pierluigi Gargiani, Manuel Valvidares, Joaquín Fernández-Rossier, Francis Leonard Deepak","doi":"10.1038/s42004-025-01550-x","DOIUrl":"10.1038/s42004-025-01550-x","url":null,"abstract":"The production of single-walled inorganic nanotubes is challenging due to the energetic favorability of multi-walled structures during synthesis. CrI3, a layered ferromagnetic insulator, has gained significant attention as the first stand-alone monolayer ferromagnet, sparking interest in two-dimensional magnetic materials. Here, we report the synthesis of high-quality, monolayer CrI3 nanotubes encapsulated within multiwalled carbon nanotubes (MWCNTs), ranging from 2 to 10 nm with an average diameter of 5.3 nm, as well as a smaller amount of CrI3 nanorods. Through aberration-corrected transmission electron microscopy, X-ray magnetic circular dichroism (XMCD) spectroscopy, and first-principles calculations, we explored the fundamental physics and magnetism of these 1D van der Waals heterostructures. These findings pave the way towards the exploration of non-collinear magnetic states in tubular geometries, driven by the interplay of magnetic anisotropy and curvature.","PeriodicalId":10529,"journal":{"name":"Communications Chemistry","volume":"8 1","pages":"155"},"PeriodicalIF":5.9,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12084315/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144085916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ultrasound-assisted continuous aqueous synthesis of sulfonate, imidazolate, and carboxylate MOFs with high space time yield. 超声辅助连续水合成高时空产率的磺酸盐、咪唑酸盐和羧酸盐mof。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-16 DOI: 10.1038/s42004-025-01548-5

Chao Sun, Sang T Pham, Sarah L Boyall, Ben Douglas, Andrew J Britton, Stuart Micklethwaite, Thomas W Chamberlain, Maximilian O Besenhard, Rik Drummond-Brydson, Ke-Jun Wu, Sean M Collins

{"title":"Ultrasound-assisted continuous aqueous synthesis of sulfonate, imidazolate, and carboxylate MOFs with high space time yield.","authors":"Chao Sun, Sang T Pham, Sarah L Boyall, Ben Douglas, Andrew J Britton, Stuart Micklethwaite, Thomas W Chamberlain, Maximilian O Besenhard, Rik Drummond-Brydson, Ke-Jun Wu, Sean M Collins","doi":"10.1038/s42004-025-01548-5","DOIUrl":"10.1038/s42004-025-01548-5","url":null,"abstract":"The boom in metal-organic frameworks (MOFs) for applications from chemical separations and gas storage to membranes for energy conversion and storage has stimulated interest in scalable MOF production methods. Combining the increased heat and mass transfer of flow reactors with the enhanced mixing and nucleation rates of sono-chemical synthesis, we developed an ultrasound-assisted two-phase flow platform for the aqueous synthesis of MOFs spanning three ligand chemistries, sulfonate Ca-NDS (water), imidazolate ZIF-8, and carboxylate UiO-66-NH2. We show that this reactor does not foul, facilitating continuous operation at an STY of 3.4 × 104 (±1 × 103) kg m-3 day-1 of proton-conducting Ca-NDS (water). ZIF-8 and UiO-66-NH2 MOFs prepared in ultrasound-assisted flow with smaller, uniform particle sizes exhibited matched or superior gas sorption to those made in batch. These results highlight the potential of ultrasound-assisted flow synthesis for MOFs, offering enhanced nucleation alongside process intensification, and paving the way for more efficient MOF production.","PeriodicalId":10529,"journal":{"name":"Communications Chemistry","volume":"8 1","pages":"154"},"PeriodicalIF":5.9,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12084381/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144085862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Selective manipulation of L-cysteine crystal polymorphs using focused laser beams. 聚焦激光束选择性操纵l -半胱氨酸晶体多晶型。

IF 5.9 2区化学

Communications Chemistry Pub Date : 2025-05-16 DOI: 10.1038/s42004-025-01554-7

Hozumi Takahashi, Hiroshi Y Yoshikawa, Teruki Sugiyama

{"title":"Selective manipulation of L-cysteine crystal polymorphs using focused laser beams.","authors":"Hozumi Takahashi, Hiroshi Y Yoshikawa, Teruki Sugiyama","doi":"10.1038/s42004-025-01554-7","DOIUrl":"10.1038/s42004-025-01554-7","url":null,"abstract":"The selective manipulation of crystal polymorphs holds profound implications across diverse scientific and industrial fields, as distinct polymorphs exhibit unique physical and chemical properties. This study demonstrates selective polymorphic manipulation by laser trapping - a technique enabling contactless manipulation and condensation of matter at the nanometer-scale and micrometer-scale. L-cysteine, a ubiquitous amino acid employed in pharmaceuticals and food additives, was targeted. We reveal that continuous-wave laser irradiation yields single crystals of the metastable polymorph, whereas continued irradiation with high-repetition-rate femtosecond laser pulses induces poly-crystallization of the stable form. Crucially, by strategically alternating between these two laser modalities during crystal growth, we can open up new crystallization pathways, including the single crystal growth of the stable phase. These findings underscore the significant potential of focused laser beams for precision polymorphic engineering, paving the way for the development of advanced materials with tailored properties.","PeriodicalId":10529,"journal":{"name":"Communications Chemistry","volume":"8 1","pages":"156"},"PeriodicalIF":5.9,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12084584/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144085857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0