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Ultrathin 2D–2D NiFe LDH/MOF heterojunction nanosheets: an efficient oxygen evolution reaction catalyst for water oxidation

Inorg. Chem. Front., 2024, 11,2489-2497
DOI: 10.1039/D4QI00090K, Research Article
Haoran Yin, Shibiao Su, Di Yao, Lixia Wang, Xinqiang Liu, Tayirjan Taylor Isimjan, Xiulin Yang, Dandan Cai
An ultrathin NiFe LDH/MOF catalyst is grown on carbon paper by an in situ self-dissociation–assembly strategy. Studies reveal that the strong electronic interaction between Fe and Ni species with rich active sites results in good OER and OWS performance.
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Electrochemical conversion of 5-hydroxymethylfurfural over CuNi bimetallic catalysts: the synergistic effect of interfacial active sites

Inorg. Chem. Front., 2024, 11,2479-2488
DOI: 10.1039/D4QI00145A, Research Article
Yiwei Zhao, Chao Zhang, Shuangxi Xing, Zuhang Jin, Tingting Xiao
ECO of HMF to FDCA and ECR to BHMF with high yield have been studied on CuNi-based bimetallic catalysts. The presence of the Cu–O–Ni interfacial area was beneficial for promoting the catalytic performance in ECO.
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Enhanced photocatalytic CO2 reduction by controlled oxygen vacancy generation and co-constructed heterojunction strategy for Pd/CeO2

Inorg. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QI00581C, Research Article
Fanlin Kong, Xiaoyan Lu, Jing Xie, Zhenjiang Lu, Jindou Hu, Yali Cao
Rational control of Vo concentration and the construction of a heterojunction strategy enable Pd/CeO2-Vo(r) to exhibit excellent photocatalytic CO2RR activity. The presence of COOHcreates favorable conditions for CO formation and desorption.
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Application of changing the valence state of metals through the reaction time for efficient oxygen evolution reaction

Inorg. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QI00522H, Research Article
Ming Chen, Sha Luo, Zongyan Ma, Fei Yuan, Jing Chen, Linkun Dong, Weiwen Mao, Jiantai Ma
In this study, a novel FeNi sulfide catalyst loaded on carbon nanotubes (CNTs) (FeNiS/CNTs) shows excellent OER electrocatalytic performance in alkaline solutions.
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oxy

Tech Mahindra partners with OxygenForIndia to deploy 3,000 oxygen concentrators and 40,000 oxygen cylinders

The OxygenForIndia campaign is aimed at providing oxygen cylinders to those in need




oxy

Spotting d-band centers of single-atom catalysts by oxygen intermediate-boosted electrochemiluminescence

Chem. Sci., 2024, 15,18085-18092
DOI: 10.1039/D4SC03763D, Edge Article
Open Access
Ruyu Xie, Kaitao Li, Rui Tian, Chao Lu
We have proposed an oxygen intermediate-boosted electrochemiluminescence probe for rapid spotting of the d-band centers of single-atom catalysts: the d-band centers closer to the Fermi level contributed to higher luminol ECL intensities.
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A critical factor in reactive oxygen species (ROS) studies: the need to understand the chemistry of the solvent used: the case of DMSO

Chem. Sci., 2024, 15,17843-17851
DOI: 10.1039/D4SC05038J, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Shubham Bansal, Binghe Wang
Reactive oxygen species (ROS) play critical roles in normal physiological processes including cellular signaling and immune responses.
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Substituent effect in determining the total structure of an all-alkynyl-protected Ag98 nanocluster for methanol tolerant oxygen reduction reaction

Chem. Sci., 2024, 15,18161-18169
DOI: 10.1039/D4SC04318A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Xiaoqin Cui, Xuehuan Zhang, Ting Li, Sheng Zhu, Gaoyi Han, Huan Li
A sterically demanding ortho-CF3 substituent defines not only the arrangement of ligands on a Ag98(2-CF3PhCC)48Cl4 nanocluster (Ag98) but also the inter-cluster interactions. Ag98 shows excellent methanol tolerance in the oxygen reduction reaction.
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Double coordination shell modulation of nitrogen-free atomic manganese sites for enhancing oxygen reduction performance

Chem. Sci., 2024, Advance Article
DOI: 10.1039/D4SC05998K, Edge Article
Open Access
Xue Bai, Yin Wang, Jingyi Han, Siyu Chen, Xiaodi Niu, Jingqi Guan
Utilizing double coordination shell modulation, we construct a novel nitrogen-free single-atom manganese coordination configuration catalyst on graphene oxide (Mn–S1O4G), which exhibits excellent ORR and zinc–air battery performances.
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oxy

Correction: Second-shell modulation on porphyrin-like Pt single atom catalysts for boosting oxygen reduction reaction

Chem. Sci., 2024, Advance Article
DOI: 10.1039/D4SC90219J, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Tayyaba Najam, Syed Shoaib Ahmad Shah, Hanqing Yin, Xin Xiao, Shamraiz Talib, Qianqian Ji, Yonggui Deng, Muhammad Sufyan Javed, Jie Hu, Ruo Zhao, Aijun Du, Xingke Cai, Qiang Xu
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oxy

Analysis of the cryptic biosynthetic gene cluster encoding the RiPP curacozole reveals a phenylalanine-specific peptide hydroxylase

Chem. Sci., 2024, Advance Article
DOI: 10.1039/D4SC02262A, Edge Article
Open Access
Samantha Hollands, Julia Tasch, David J. Simon, Dimah Wassouf, Isobel Barber, Arne Gessner, Andreas Bechthold, David L. Zechel
The noncanonical biosynthesis of curacozole by Streptomyces curacoi is shown to be dependent on the bldA-encoded Leu-tRNAUUA. The minimal biosynthetic gene cluster is defined, and the functions of key biosynthetic enzymes are established in vitro.
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Simultaneous generation of hydroxyl and hydrogen radicals from H+/OH− pairs caused by water–solid contact electrification

Chem. Sci., 2024, Advance Article
DOI: 10.1039/D4SC06227B, Edge Article
Open Access
Fengjie Chen, Jingde Wu, Dou Wang, Yu Xia, Qingyuan Song, Ying Liang, Pu Wang, Bolei Chen, Yong Liang, Yongguang Yin, Yawei Wang, Maoyong Song, Guibin Jiang
Water–solid contact electrification is a common physical phenomenon involving interfacial electron and ion transfer, recently discovered to trigger unique redox reactions.
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Differentiating carrier protein interactions in biosynthetic pathways using dapoxyl solvatochromism

Chem. Sci., 2024, Advance Article
DOI: 10.1039/D4SC05499G, Edge Article
Open Access
Matthew G. Miyada, Yuran Choi, Kyle Rich, James J. La Clair, Michael D. Burkart
A highly sensitive solvatochromic system was developed to monitor the loading and interactivity of carrier proteins associated with fatty acid, polyketide and non-ribosomal peptide biosynthesis.
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Electrochemical reconstruction of metal–organic gels into crystalline oxy-hydroxide heterostructures for efficient oxygen evolution electrocatalysis

Chem. Sci., 2024, Advance Article
DOI: 10.1039/D4SC05799F, Edge Article
Open Access
Kang Liu, Haikuo Lan, Yuting Chen, Weicheng Tang, Zhenyu Xiao, Yunmei Du, Jun Xing, Zexing Wu, Lei Wang
An amorphous MOG electrochemically reconstitutes to a crystalline NiOOH/FeOOH heterostructure with the morphology changed from nanofibers to nanosheets as a high-performance OER electrocatalyst.
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Dual ligand-enabled iron and halogen-containing carboxylate-based photocatalysis for chloro/fluoro-polyhaloalkylation of alkenes

Chem. Sci., 2024, Advance Article
DOI: 10.1039/D4SC04038D, Edge Article
Open Access
Wanru Han, Zhenyan Zhao, Kui Jiang, Yu Lan, Xuehan Yu, Xiaoyu Jiang, Wei Yang, Donghui Wei, Shi-Jun Li, Linbin Niu
Dual ligand-enabled iron photocatalysis for the conversion of all kinds of halogen-containing carboxylates (CnXmCOO, X: F, Cl, Br) to CnXm radicals is disclosed for chloro/fluoro-polyhaloalkylation of non-activated alkenes.
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oxy

Synergetic effect of mild hypothermia and antioxidant treatment on ROS-mediated neuron injury under oxygen-glucose deprivation investigated by scanning electrochemical microscopy

Chem. Sci., 2024, Accepted Manuscript
DOI: 10.1039/D4SC05977H, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Junjie Zhang, Yulin Liu, Yuxiang Zhao, Siyu Zhang, Feng Xu, Fei Li
Ischemic stroke and reperfusion injury result in neuronal damage and dysfunction associated with oxidative stress, leading to overproduction of cellular reactive oxygen species (ROS) and reactive nitrogen species (RNS). In...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Dual-mode detection of 2,6-pyridinedicarboxylic acid based on the enhanced peroxidase-like activity and fluorescence property of novel Eu-MOFs

Anal. Methods, 2024, Advance Article
DOI: 10.1039/D4AY00331D, Paper
Jintao Yi, Xianqin Han, Jiahao Jian, Yayan Lai, Jun Lu, Lei Peng, Zhongkai Liu, Jun Xue, Hui Zhou, Xun Li
The dual-mode fluorescence and colorimetric detection of 2,6-pyridinedicarboxylic acid (DPA) based on the enhanced peroxidase-like activity and fluorescence property of a novel MOF.
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oxy

Exploring 7β-amino-6-nitrocholestens as COVID-19 antivirals: in silico, synthesis, evaluation, and integration of artificial intelligence (AI) in drug design: assessing the cytotoxicity and antioxidant activity of 3β-acetoxynitrocholestane

RSC Med. Chem., 2024, Advance Article
DOI: 10.1039/D4MD00257A, Research Article
Shahabuddin, Uzma, Mohammad Azam, Mehtab Parveen, Nurul Huda Abd Kadir, Kim Min, Mahboob Alam
In light of the ongoing pandemic caused by SARS-CoV-2, effective and clinically translatable treatments are desperately needed for COVID-19 and its emerging variants.
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Enhancing the antimycobacterial efficacy of pyridine-4-carbohydrazide: linkage to additional antimicrobial agents via oxocarboxylic acids

RSC Med. Chem., 2024, Advance Article
DOI: 10.1039/D4MD00663A, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Václav Pflégr, Klára Konečná, Jiřina Stolaříková, Jan Ősterreicher, Ondřej Janďourek, Martin Krátký
Linking pyridine-4-carbohydrazide to other antimicrobial agents via oxocarboxylic acids significantly enhances efficacy against mycobacteria with promising selectivity and safety profiles.
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575: CSS Errors, Proxy and Reverse Proxy, and What’s The Edge?

Bluesky adds first class support for urls as a username, text-wrap pretty update, sqwunching text update, should CSS spit out errors, anchor functionality, what does the edge mean, eSports and bowling, how to test websites on slower CPUs, and what does proxy or reverse proxy mean?




oxy

Carboxymethyl cellulose-stabilized calcium phosphate particles for injectable hydrogel-based bone tissue engineering

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM00670D, Paper
Piyaporn Srisura, Yuwaporn Pinyakit, Umphan Ngoensawat, Pongsakorn Yuntasiri, Khoiria Nur Atika Putri, Theerapat Chanamuangkon, Waranyoo Phoolcharoen, Varol Intasanta, Voravee P. Hoven
Carboxymethyl cellulose-stabilized calcium phosphate particles well-dispersed in aqueous solution can be integrated into an injectable hydrogel made of methacrylated hyaluronic acid which is a promising material for bone regeneration applications.
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Unravelling the different pathways of cyclohexene oxidation via a peroxyl radical generated from tert-butyl hydroperoxide (TBHP) by various metal salts

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01681E, Research Article
Lu-Jian Zhou, Xiao-Hui Liu, Han-Wen Zhang, Can Xue, Han-Kang Zhong, Xian-Tai Zhou
Two different mechanisms were obtained in the selective oxidation of cyclohexene catalyzed by CuCl2 and VCl3 respectively in presence of TBHP. The two opposed mechanisms are mainly caused by the roles of the t-BuOO˙ radical in catalytic oxidations.
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oxy

Palladium-catalyzed synthesis of indene-1-acetates via sequential double carbopalladation and aryloxycarbonylation

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01570C, Research Article
Fei Sun, Yiyi Zheng, Zhongyao Jiang, Mingxia Wu, Zeng Lv, Hongsen Ji, Xin-Xing Wu
A novel palladium-catalyzed cascade reaction of o-iodostyrenes, internal alkynes and formates to access various indene-1-acetates through sequential double carbopalladation and aryloxycarbonylation under a palladium/air system was developed.
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Towards the total synthesis of mandelalide B: construction of the tetrahydrofuran/α-hydroxyl lactone fragment

Org. Chem. Front., 2024, 11,6353-6357
DOI: 10.1039/D4QO01433B, Research Article
Jia-Lei Yan, Jie Yu, Yingying Cheng, Mingze Yang, Zhengshuang Xu, Tao Ye
A stereocontrolled synthesis of the tetrahydrofuran/α-hydroxy lactone fragment of mandelalide B has been accomplished. The synthesis features a Horner-Wadsworth-Emmons fragment assembly strategy and a highly stereospecific iodine-induced cyclization.
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Iridium/palladium dual photocatalysis for oxidative decarboxylative esterification of alcohols using α-keto acids

Org. Chem. Front., 2024, 11,6367-6379
DOI: 10.1039/D4QO01452A, Research Article
Subal Mondal, Soumya Mondal, Debabrata Halder, Siba P. Midya, Ankan Paul, Pradyut Ghosh
Herein, we report an unprecedented oxidative decarboxylative C–O cross-coupling reaction for the esterification of feedstock α-keto carboxylic acids and alcohols under mild conditions.
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Well-defined chiral dinuclear copper-catalyzed tandem asymmetric propargylic amination–carboxylative cyclization sequence toward chiral 2-oxazolidinone derivatives

Org. Chem. Front., 2024, 11,6319-6326
DOI: 10.1039/D4QO01368A, Research Article
Yu Lan, Peng Liu, Zekai Fang, Lili Shao, Qilong Cai, Xiaoming Wang
A variety of chiral 2-oxazolidinones was obtained via a dinuclear copper-catalyzed asymmetric propargylic amination–carboxylative cyclization sequence of propargylic esters with alkyl amine hydrochlorides and CO2.
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Theoretical insights into Pd-catalyzed dual γ-1,1-C(sp3)–H activation of aliphatic carboxylic acids: mechanistic pathways, substituent influence on product selectivity, diastereoselectivity, and additive effects

Org. Chem. Front., 2024, 11,6393-6410
DOI: 10.1039/D4QO01451K, Research Article
Jiaoyang Liu, Li-juan Huang, Zeang Sun, Juan Li
DFT calculations were employed to explore the detailed reaction mechanism and the origins of the experimentally observed product, regio-, and diastereoselectivities in the Pd-catalyzed dual-γ-1,1-C(sp3)–H activation of aliphatic carboxylic acids.
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Activation of donor–acceptor cyclopropanes under basic conditions: ring opening of 2-(p-siloxyaryl)cyclopropane 1,1-dicarboxylates with nitro compounds and other C-nucleophiles

Org. Chem. Front., 2024, 11,6483-6494
DOI: 10.1039/D4QO01472C, Research Article
Yulia A. Antonova, Andrey A. Tabolin
A new activation mode for donor–acceptor cyclopropanes was proposed and implemented in their reaction with nitro compounds and other common C-nucleophiles.
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Carbonate-assisted selectively deoxygenative cross-coupling reaction between aryl and aliphatic aldehydes: a straightforward route to access α-alkylated aryl ketones

Org. Chem. Front., 2024, 11,6510-6517
DOI: 10.1039/D4QO01517G, Research Article
Yu Sun, Yi Wang, Zhijun Zuo
A novel reductive cross-coupling reaction of two different aldehydes for rapidly assembling α-alkylated aryl ketones has been developed. The inexpensive carbonate served not only as a base but also as an efficient electron donor.
The content of this RSS Feed (c) The Royal Society of Chemistry




oxy

LiTMP-LiBr complex-induced lateral lithiation and cross ester condensation: direct access to isocoumarins from 2-methoxy o-toluate esters

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01678E, Research Article
Open Access
Mintu Rehman, Sajib Daimary, Rasajna Madhusudhana, Rajendar Goreti
LiTMP-LiBr complex promotes cross-ester coupling of 2-methoxy o-toluate esters to directly yield isocoumarin is demonstrated. Method applied to many natural product precursors including synthesis of (+)- and (−)-lunatinins.
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oxy

Enantioselective Addition of 3-hydroxyquinolin-2(1H)-one to Isatin and Pyrazole-4,5-dione Derived Ketimines

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01895H, Research Article
Yue Wei, Guishun Bai, Jiamin Wu, Yi Hua, Tao Zhang, Congyong Yue, Hong Wang, Xiaoze Bao
The enantioselective reactivity of 3-hydroxyquinolin-2(1H)-ones was developed through their addition to isatin and pyrazole-4,5-dione derived ketimines, affording novel architectures featuring multiple natural products scaffolds in high yield with excellent enantioselectivities....
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Palladium-catalyzed cascade decarboxylative cyclization of alkyne-tethered aryl iodides with o-bromobenzoic acids for the synthesis of fused isoquinolinones

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01573H, Research Article
Zhaolin Quan, Yubo Duan, Zhengkai Chen
A straightforward approach for the preparation of fused isoquinolinone derivatives via palladium-catalyzed cascade decarboxylative cyclization of alkyne-tethered aryl iodides with o-bromobenzoic acids is described.
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oxy

Rh-Catalysed Hydroacyloxylation of Cyclopropenes: Regio- and Diastereoselective Synthesis of Acyloxycyclopropanes

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01810A, Research Article
Ángel Manu Martínez, Gema Domínguez, Ines Alonso, Marta Palaín, Javier Perez-Castells
Cyclopropyl carboxylates are essential building blocks in biological and medicinal chemistry. However, their accessibility is severely limited by the need to pre-synthesise highly reactive cyclopropane derivatives. Herein, we report an...
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oxy

Enhanced thermomechanical properties of epoxy-multiwalled CNT nano-composites

RSC Adv., 2024, 14,35360-35372
DOI: 10.1039/D4RA06831A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Abdullah Alhendal
(A) Preparation of (GPTS-APTS) modified MWCNT solution/GA-CNT, (B) preparation of sol–gel active and partially cured polymer matrix and (C) preparation of ECB-CNT composite.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Design, synthesis, biological evaluation, and in silico studies of novel N-substituted-2-(3,4,5-trimethoxyphenyl)-1H-benzo[d]imidazole-6-carboxamides as promising anticancer agents

RSC Adv., 2024, 14,35323-35335
DOI: 10.1039/D4RA04492D, Paper
Open Access
Navid Dastyafteh, Manica Negahdaripour, Mohammad Hosein Sayahi, Mina Emami, Younes Ghasemi, Elham Safaei, Homa Azizian, Zahra Pakrouh Jahromi, Mehdi Asadi, Mohammad Reza Mohajeri-Tehrani, Fateme Zare, Minoo Shahidi, Zahra Pooraskari, Sayed Mahmoud Sajjadi-Jazi, Bagher Larijani, Mohammad Mahdavi, Sara Ranjbar
Synthesis and cytotoxicity evaluation of novel benzimidazoles were explained. The most potent derivative was subjected to cell cycle, apoptosis, and in silico investigations. Compound 5o proved to be a promising anticancer agent.
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In vitro bioactivity, mechanical, and cell interaction of sodium chloride-added calcium sulfate–hydroxyapatite composite bone cements

RSC Adv., 2024, 14,35460-35474
DOI: 10.1039/D4RA06034B, Paper
Open Access
Pharatree Jaita, Chamnan Randorn, Anucha Watcharapasorn, Parkpoom Jarupoom
In this research, sodium chloride-added calcium sulfate–hydroxyapatite composite bone cements (0.70CaS–0.30HAP)/xNaCl were studied.
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Chronological effects of oxygen on the structural transformations of polyacrylonitrile fibers during the rapid thermal stabilization process

RSC Adv., 2024, 14,35560-35567
DOI: 10.1039/D4RA06327A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Shiyang Li, Liang Chen, Jie Liu, Yixin Li, Jian Tang, Rongchao Jiang, Xiaoxu Wang
The effects of oxygen on the structure changes of PAN fibers during the rapid thermal stabilization are chronological, including thermal-driven dehydrogenation, oxidation and cyclization in the shorter, intermediate and longer periods, respectively.
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Zeolitic imidazolate framework-67 in chitosan-grafted hydrogel as an effective catalyst for peroxymonosulfate activation to degrade antibiotics and dyes

RSC Adv., 2024, 14,35628-35637
DOI: 10.1039/D4RA06537A, Paper
Open Access
Atipong Nachaichot, Kunlarat Phonlakan, Supinya Nijpanich, Soraya Pornsuwan, Surangkhana Budsombat
Zeolitic imidazolate framework-67 (ZIF-67) was synthesized in situ in the hydrogel of chitosan-grafted poly(acrylic acid) (chitosan-g-PAA) to activate peroxymonosulfate (PMS) and degrade tetracycline (TC).
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Chitosan supported ionic liquid, a multifaceted catalyst for streamlined and efficient synthesis of carboxylic, amino acid and carbohydrate esters

RSC Adv., 2024, 14,36193-36208
DOI: 10.1039/D4RA05725B, Paper
Open Access
Praachi Kakati, Satish Kumar Awasthi
Development of a solid heterogeneous catalyst in the form of an ionic liquid incorporated in chitosan which shows high recyclability. This was used in a solvent free esterification reaction of carboxylic acids, amino acids and carbohydrates.
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oxy

Construction of efficient Pb(II) carboxylate catalysts for Oxygen and Hydrogen Evolution Reactions

Dalton Trans., 2024, Accepted Manuscript
DOI: 10.1039/D4DT02958E, Paper
Janak ., Vijay Sarjerao Sapner, Bhaskar Ramchandra Sathe, Sadhika Khullar
The development of cost-effective and efficient electrocatalysts can solve the problem in the production of energy via water splitting reactions. In this work, we focused on two lead-based coordination polymers...
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oxy

Rational fabrication of an anionic zinc carboxylate framework as a fluorescent probe for 2,6-pyridinedicarboxylic acid

Dalton Trans., 2024, Advance Article
DOI: 10.1039/D4DT02529F, Paper
Hui-Hui Xie, Hao Yu, Xiuling Xu, Si-Fu Tang
An anionic zinc carboxylate framework has been fabricated as a fluorescent sensor for the detection of 2,6-pyridinedicarboxylic acid (DPA).
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oxy

Co-doping regulation on Ni-based electrocatalysts to adjust the selectivity of oxygen reduction reaction for Zn–air batteries and H2O2 production

Dalton Trans., 2024, 53,17819-17828
DOI: 10.1039/D4DT01625D, Paper
Songhan Hu, Kai Wang, Xinxin Xu, Qiang Wang
Two Ni-based electrocatalysts with different ORR selectivity were synthesized from a NiMOF, which show promising prospects in Zn–air batteries and H2O2 production.
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Construction of oxygen-rich vacancies and heterojunctions coupled with different morphologies of CeO2/mesoporous TiO2 framework structures for efficient photocatalytic CO2 reduction performance

Dalton Trans., 2024, 53,17963-17975
DOI: 10.1039/D4DT02014F, Paper
Morigejile Liu, Guangmei Jiang, Zaiwang Zhao, Ying Shi, Siqin Zhao
Construction of oxygen-rich vacancies and heterojunction-coupled CeO2/mesoporous TiO2 framework structures with different morphologies and efficient photocatalytic CO2 reduction performance.
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Direct O2 mediated oxidation of a Ni(II)N3O structural model complex for the active site of nickel acireductone dioxygenase (Ni-ARD): characterization, biomimetic reactivity, and enzymatic implications

Dalton Trans., 2024, 53,17852-17863
DOI: 10.1039/D4DT02538E, Paper
Kelsey E. Kirsch, Mary E. Little, Thomas R. Cundari, Emily El-Shaer, Georgia Barone, Vincent M. Lynch, Santiago A. Toledo
A structural and functional biomimetic Ni(II)N3O complex, capable of O2 mediated dioxygenase like C–C bond cleavage, via a putative high-valent Ni intermediate.
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Optimizing synergistic effects: creating oxygen vacancies in NiCoWO4via a solid-state grinding method for improved energy storage performance

Dalton Trans., 2024, 53,17948-17962
DOI: 10.1039/D4DT02118E, Paper
Anandhavalli Jeevarathinam, Arun Annamalai, Ramya Ravichandran, Kumaresan Annamalai, Sundaravadivel Elumalai
We disclose, for the first time we report the synthesis of an oxygen vacancy-enriched NiCoWO4 electrode by a simple solid state grinding method using NaBH4 as a mild reducing agent without any solvents.
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oxy

A bioinspired water oxidation catalyst that is ∼1/10th as active as the photosystem II oxygen evolving center at pH 7: a study of activity and stability factors

Dalton Trans., 2024, 53,17783-17788
DOI: 10.1039/D4DT02336F, Communication
Danijel Boskovic, Richard Terrett, Matthew Longhurst, Sabeel Basheer, Alireza Ariafard, Pawel Wagner, Ronald J. Pace, Rob Stranger, Gerhard F. Swiegers
Ca-doped birnessite MnOx on liquid crystalline reduced graphene oxide exhibits unprecedented performance for an abiological catalyst at pH 7, including a very low onset overpotential of 0.52 V and high activity per unit area at 0.56 V overpotential.
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oxy

A mechanistic study of chiral manganese porphyrin-catalyzed enantioselective C–H hydroxylation reaction

Dalton Trans., 2024, Advance Article
DOI: 10.1039/D4DT02452D, Paper
Jing-Kun Gao, Wandong Chen, Junjie Tai, Zhengwei Chen, Hang Liu, Yuxin Du, Yiting Jiang, Yuanbin She, Yun-Fang Yang
This study uses DFT to explain the enantioselectivity of C–H hydroxylation by a chiral manganese porphyrin. A two-point hydrogen bonding favors pro-(S) C–H bond abstraction by 1.9 kcal mol−1, leading to (S)-hydroxylated products.
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Karnataka byelection: It is a proxy war between Lad and Reddy in mineral-rich Sandur

Though Sandur has been the hotbed of mining activities, often hitting the headlines for illegal mining, this issue is barely resonating in the campaign




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Production of birnessite-type manganese oxides by biofilms from oxygen-supplemented biological activated carbon (BAC) filters

Environ. Sci.: Water Res. Technol., 2024, 10,2844-2857
DOI: 10.1039/D4EW00208C, Paper
Amanda Larasati, Olga Bernadet, Gert Jan W. Euverink, H. Pieter J. van Veelen, Maria Cristina Gagliano
The application of a novel enrichment approach revealed the potential of manganese-oxidizing bacteria (MnOB) from full-scale biofilters treating wastewater to produce manganese oxides as crystalline, efficient birnessite catalysts.
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Microwave irradiation synthesis of CoFe2O4/rGO to activate peroxymonosulfate for the degradation of 2-aminobenzothiazole in water

Environ. Sci.: Water Res. Technol., 2024, 10,2946-2960
DOI: 10.1039/D4EW00459K, Paper
Wei Wei, Shiqian Gao, Feiyue Qian, Chongjun Chen, Youyi Wu
CoFe2O4/rGO MNPs synthesized via an in situ microwave irradiation method were used as a heterogeneous catalyst to activate PMS for the degradation of ABT. Its mechanism was explored, and the catalytic system was applied to real water samples.
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