oxygen

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

By pubs.rsc.org
Published On ::

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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Enhanced photocatalytic CO2 reduction by controlled oxygen vacancy generation and co-constructed heterojunction strategy for Pd/CeO2

By pubs.rsc.org
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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 COOH* creates favorable conditions for CO formation and desorption.
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oxygen

Application of changing the valence state of metals through the reaction time for efficient oxygen evolution reaction

By pubs.rsc.org
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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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Tech Mahindra partners with OxygenForIndia to deploy 3,000 oxygen concentrators and 40,000 oxygen cylinders

By www.thehindubusinessline.com
Published On :: Mon, 17 May 2021 14:41:37 +0530

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


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

By pubs.rsc.org
Published On ::

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

By pubs.rsc.org
Published On ::

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

By pubs.rsc.org
Published On ::

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

By pubs.rsc.org
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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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Correction: Second-shell modulation on porphyrin-like Pt single atom catalysts for boosting oxygen reduction reaction

By pubs.rsc.org
Published On ::

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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Electrochemical reconstruction of metal–organic gels into crystalline oxy-hydroxide heterostructures for efficient oxygen evolution electrocatalysis

By pubs.rsc.org
Published On ::

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

By pubs.rsc.org
Published On ::

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...
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oxygen

Carbonate-assisted selectively deoxygenative cross-coupling reaction between aryl and aliphatic aldehydes: a straightforward route to access α-alkylated aryl ketones

By pubs.rsc.org
Published On ::

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.
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Chronological effects of oxygen on the structural transformations of polyacrylonitrile fibers during the rapid thermal stabilization process

By pubs.rsc.org
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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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oxygen

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

By pubs.rsc.org
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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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oxygen

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

By pubs.rsc.org
Published On ::

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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oxygen

Construction of oxygen-rich vacancies and heterojunctions coupled with different morphologies of CeO2/mesoporous TiO2 framework structures for efficient photocatalytic CO2 reduction performance

By pubs.rsc.org
Published On ::

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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oxygen

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

By pubs.rsc.org
Published On ::

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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oxygen

Optimizing synergistic effects: creating oxygen vacancies in NiCoWO4via a solid-state grinding method for improved energy storage performance

By pubs.rsc.org
Published On ::

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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oxygen

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

By pubs.rsc.org
Published On ::

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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oxygen

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

By pubs.rsc.org
Published On ::

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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oxygen

A thermal evaporation–trapping strategy to synthesize flexible and robust oxygen electrocatalysts for rechargeable zinc–air batteries

By pubs.rsc.org
Published On ::

Energy Environ. Sci., 2024, Advance Article
DOI: 10.1039/D4EE03005B, Paper
Hong-Bo Zhang, Yu Meng, Lingzhe Fang, Fei Yang, Shangqian Zhu, Tao Li, Xiaohua Yu, Ju Rong, Weiwei Chen, Dong Su, Yi Mei, Peng-Xiang Hou, Chang Liu, Minhua Shao, Jin-Cheng Li
A thermal evaporation–trapping strategy is developed to fabricate a flexible N-doped carbon fiber cloth loaded with both CoFe-oxide nanoparticles and atomic Co/Fe–Nx sites, showing outstanding oxygen electrocatalytic performance.
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oxygen

Oxygen redox activities governing high-voltage charging reversibility of Ni-rich layered cathodes

By pubs.rsc.org
Published On ::

Energy Environ. Sci., 2024, Advance Article
DOI: 10.1039/D4EE03832K, Paper
Gi-Hyeok Lee, Suwon Lee, Jiliang Zhang, Bernardine L. D. Rinkel, Matthew J. Crafton, Zengqing Zhuo, Youngju Choi, Jialu Li, Junghoon Yang, Jongwook W. Heo, Byungchun Park, Bryan D. McCloskey, Maxim Avdeev, Wanli Yang, Yong-Mook Kang
A schematic illustration indicative of the improved structural reversibility through stabilizing oxidized oxygen by Al doping.
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oxygen

Dual Promotion of Oxygen Reduction on Pt in Membrane Electrode Assembly by Hydroxyphenyl Metal Porphyrins

By pubs.rsc.org
Published On ::

Energy Environ. Sci., 2024, Accepted Manuscript
DOI: 10.1039/D4EE04320K, Paper
Meihua Tang, Chunping Wang, Zhenying Zheng, Xiaoxiao Wang, Fulong Zhu, Shengli Chen
The oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs) is severely hindered by the strong adsorption of sulfonate groups in perfluorinated sulfonic acid (PFSA) ionomers on Pt,...
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Decoupling light- and oxygen-induced degradation mechanisms of Sn–Pb perovskites in all perovskite tandem solar cells

By pubs.rsc.org
Published On ::

Energy Environ. Sci., 2024, 17,8557-8569
DOI: 10.1039/D4EE02427C, Paper
Open Access
Yang Bai, Ruijia Tian, Kexuan Sun, Chang Liu, Xiting Lang, Ming Yang, Yuanyuan Meng, Chuanxiao Xiao, Yaohua Wang, Xiaoyi Lu, Jingnan Wang, Haibin Pan, Zhenhua Song, Shujing Zhou, Ziyi Ge
This study showed PEHCl-CN can enhance the strength of Sn–I, resulting in good light stability. The subsequent doping of MBI resulted in good air stability. This enables the integrated 2T all-perovskite device to achieve an efficiency of 27.9%.
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Co3O4 supported by ultrathin-layered graphitic carbon nitride for efficient electrocatalytic evolution of oxygen

By pubs.rsc.org
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React. Chem. Eng., 2024, Advance Article
DOI: 10.1039/D4RE00020J, Paper
Ruixue Luo, Xi Li, Youping Guo, Renchun Fu
An efficient OER. Co3O4@g-C3N4 using layered g-C3N4-loaded Co3O4 was significantly higher than that using g-C3N4 or Co3O4.
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oxygen

Interaction of SO2 with a Cu–Mn oxide oxygen carrier during chemical looping with oxygen uncoupling

By pubs.rsc.org
Published On ::

React. Chem. Eng., 2024, 9,888-900
DOI: 10.1039/D3RE00498H, Paper
Turna Barua, Bihter Padak
During chemical looping combustion with oxygen uncoupling (CLOU) fuel-sulfur species impact the reactivity of Cu–Mn oxide oxygen carrier with CH4. SO2 oxidation to SO3 competes with fuel for available O2 and lowers CH4 conversion.
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oxygen

Generation of nitrogen by means of electrochemical oxygen depletion

By pubs.rsc.org
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React. Chem. Eng., 2024, Advance Article
DOI: 10.1039/D4RE00104D, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Dominik Sachse, Basil Noha Chelachottil, Andreas Glüsen, Martin Müller, Uwe Rau, Ralf Peters
Electrochemical oxygen reduction enables a high depletion of the oxygen content with very high Faraday efficiency at the same time.
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Bombay Oxygen Investments Ltd - Board Meeting Intimation for Unaudited Financial Results For The Quarter Ended 30Th June, 2019

By www.thehindubusinessline.com
Published On :: Tue, 06 Aug 2019 17:51:03 +0530


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oxygen

Ultrasmall RuO2/CoFe2O4 nanoparticles with robust interfacial interactions for the enhanced acidic oxygen evolution reaction

By pubs.rsc.org
Published On ::

Catal. Sci. Technol., 2024, Advance Article
DOI: 10.1039/D4CY00719K, Paper
Open Access
Ming Wei, Liuhua Mu, Zhiwei Liu, Feng Gao, Guangjian Song, Qiankang Si, Mao Zhang, Fangfang Dai, Min Zhang, Rui Ding, Li Yang, Zhonggui Gao, Sanzhao Song
Ultrasmall RuO2/CoFe2O4 nanoparticles with strong interfacial interactions exhibit enhanced oxygen evolution reaction (OER) performance, driven by efficient charge transfer between RuO2 and CoFe2O4.
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oxygen

Construction of a highly efficient MoS2-based composite electrocatalyst for the oxygen evolution reaction

By pubs.rsc.org
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Catal. Sci. Technol., 2024, 14,6380-6392
DOI: 10.1039/D4CY00923A, Paper
Mengyan Huang, Bo Liu, Junwei Wu, Junfeng Gu, Yichen Zheng, Peiyan Ma, Bei Li, Zhengyi Fu
The carboxyl groups in CC-MoC@MoS2 play a similar role to the amino acid residues in PS II.
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oxygen

Green Photocatalytic N-Debenzylations with Molecular Oxygen Catalyzed by Recyclable Metal-free Tubular Carbon Nitride

By pubs.rsc.org
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Catal. Sci. Technol., 2024, Accepted Manuscript
DOI: 10.1039/D4CY00981A, Paper
Yufeng Wu, Jiajie Kang, Li Jianing, Mingshu Bi, Qingwei Meng
Debenzylations are widely used in fields such as pharmaceuticals and fine chemicals. In this study, metal-free tubular carbon nitride (CN-T) was prepared and used to the photocatalytic debenzylations with molecular...
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oxygen

Oxygen vacancy-dependent low-temperature performance of Ni/CeO2 in CO2 methanation

By pubs.rsc.org
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Catal. Sci. Technol., 2024, 14,6537-6549
DOI: 10.1039/D4CY00679H, Paper
Luliang Liao, Kunlei Wang, Guangfu Liao, Muhammad Asif Nawaz, Kun Liu
The transformative power of CO2 methanation can efficiently transform greenhouse gases into high-value products, aligning with the carbon neutrality goals.
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oxygen

Synergistic promotion of oxygen vacancy and Lewis acidity of Nb2O5 on the preferential hydroxymethyl hydrogenolysis of 5-hydroxymethylfurfural catalyzed by single atom Pt

By pubs.rsc.org
Published On ::

Catal. Sci. Technol., 2024, 14,6550-6560
DOI: 10.1039/D4CY00559G, Paper
Ting-Hao Liu, Shuai Fu, Jin-Tao Gou, Yin-Sheng Zhang, Chang-Wei Hu, Hua-Qing Yang
Over Pt1/Nb2O5, oxygen vacancy increases the catalytic activity, while the strong Lewis acidity of Nb2O5 selectively promotes the hydrogenolysis of the –CH2OH group rather than the hydrogenation of the –CHO group.
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oxygen

Heteroatom-assisted oxygen vacancies in cerium oxide catalysts for efficient synthesis of dimethyl carbonate from CO2 and methanol

By pubs.rsc.org
Published On ::

Catal. Sci. Technol., 2024, 14,6513-6523
DOI: 10.1039/D4CY00702F, Paper
Niladri Maity, Samiyah A. Al-Jendan, Samir Barman, Nagendra Kulal, E. A. Jaseer
Heteroatom (N, S) assisted CeO2 nanorod materials exhibited enhanced catalytic efficiency in the synthesis of dimethyl carbonate from CO2 and methanol, attributed to their superior surface acidity, basicity, Ce3+ concentration, and oxygen vacancies.
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oxygen

Unspecific peroxygenase immobilization in 3D-printed microfluidics: towards tailor-made screening platforms

By pubs.rsc.org
Published On ::

Catal. Sci. Technol., 2024, 14,6496-6502
DOI: 10.1039/D4CY00869C, Communication
Elena Gkantzou, Theofilia Koulopoulou, Hannah Brass, David Schönauer, Anton Glieder, Selin Kara
In the context of empowering biocatalysis, an easy-to-develop, reproducible, and easy-to-scale biocatalytic system is demonstrated as a microfluidic screening platform.
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oxygen

Oxygen electrode catalysis in N-doped graphene: the role of nitrogen coordination and solvation effects

By pubs.rsc.org
Published On ::

Nanoscale, 2024, Advance Article
DOI: 10.1039/D4NR03645J, Paper
Junxian Liu, Yun Wang, Yuantong Gu, Liangzhi Kou
The significance of explicit solvents in describing the adsorption behaviors of ORR/OER intermediates is emphasized. A higher HOMO level of active sites enhances binding to oxygen intermediates, thereby improving ORR/OER activity.
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oxygen

OnePlus new operating system OxygenOS 15 launches on October 24

By www.thehindu.com
Published On :: Fri, 18 Oct 2024 13:24:28 +0530

It is expected that OnePlus 13 will be the first phone to run OxygenOS 15 out of the box. Probably, the phone may also be launched on the same day in China


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oxygen

OnePlus to launch OxygenOS with advanced AI features powered by Google

By www.thehindu.com
Published On :: Fri, 25 Oct 2024 11:13:35 +0530

OnePlus has announced the upcoming launch of OxygenOS 15, with new generative AI features powered by Google’s Gemini


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oxygen

Gulf of Oman has enormous dead zone severely depleted of oxygen

By cen.acs.org
Published On :: 04 May 2018 14:14:04 +0000


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oxygen

Electroreductive deoxygenative carboxylation of alkyl oxalates with CO2

By pubs.rsc.org
Published On ::

Green Chem., 2024, 26,10811-10817
DOI: 10.1039/D4GC03452J, Communication
Yong Yuan, Hangfei Jiang, Ya-Nan Zhang, Yuyan Tao, Xincong Liu, Congde Huo
An electroreductive deoxygenative carboxylation of alkyl oxalates with CO2 is demonstrated.
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oxygen

Catalytic hydrodeoxygenation and C–C coupling of lignin and its derivatives into renewable jet-fuel-range cycloalkanes

By pubs.rsc.org
Published On ::

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC02051K, Critical Review
Xinyong Diao, Ying Xiong, Yawen Shi, Longlong Ma, Chenglong Dong, Shengbo Zhang, Na Ji
This review provides an in-depth understanding of the synthesis pathways and corresponding catalytic systems for the production of jet-fuel-range cycloalkanes from lignin and its derivatives via catalytic hydrodeoxygenation and C–C coupling.
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oxygen

Controllable structure reconstruction of nickel–iron compounds toward highly efficient oxygen evolution

By feeds.rsc.org
Published On ::

Nanoscale, 2020, Advance Article
DOI: 10.1039/D0NR02254C, Paper
Azhar Mahmood, Qiangmin Yu, Yuting Luo, Zhiyuan Zhang, Chi Zhang, Ling Qiu, Bilu Liu
Structure optimized Ni0.8Fe0.2-LDH catalyst and corresponding OER performance.
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oxygen

'Inhaling Styrene gas is like lungs getting coat of plastic blocking oxygen'

By www.newkerala.com
Published On :: Fri, 08 May 2020 08:55:02 +0530


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oxygen

Bhopal: 396 people recover from COVID-19 with early oxygen therapy

By www.newkerala.com
Published On :: Sun, 10 May 2020 05:24:01 +0530


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oxygen

Electrodeposition of (hydro)oxides for an oxygen evolution electrode

By feeds.rsc.org
Published On ::

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01532F, Minireview
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Zhenhua Yan, Huanhuan Liu, Zhimeng Hao, Meng Yu, Xiang Chen, Jun Chen
This minireview looks at recent electrodeposition strategies for metal (hydro)oxide design and water oxidation applications, unveiling the unique properties and underlying principles of electrodeposited metal (hydro)oxides in the OER.
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oxygen

Structure and function of dioxygenases in histone demethylation and DNA/RNA demethylation

By journals.iucr.org
Published On ::

The structure and function of dioxygenases in histone demethylation and DNA/RNA dimethylation are discussed.


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oxygen

Structural and kinetic insights into flavin-containing monooxygenase and calponin-homology domains in human MICAL3

By scripts.iucr.org
Published On :: 2020-01-01

MICAL is an oxidoreductase that participates in cytoskeleton reorganization via actin disassembly in the presence of NADPH. Although three MICALs (MICAL1, MICAL2 and MICAL3) have been identified in mammals, only the structure of mouse MICAL1 has been reported. Here, the first crystal structure of human MICAL3, which contains the flavin-containing monooxygenase (FMO) and calponin-homology (CH) domains, is reported. MICAL3 has an FAD/NADP-binding Rossmann-fold domain for mono­oxygenase activity like MICAL1. The FMO and CH domains of both MICAL3 and MICAL1 are highly similar in structure, but superimposition of the two structures shows a different relative position of the CH domain in the asymmetric unit. Based on kinetic analyses, the catalytic efficiency of MICAL3 dramatically increased on adding F-actin only when the CH domain was available. However, this did not occur when two residues, Glu213 and Arg530, were mutated in the FMO and CH domains, respectively. Overall, MICAL3 is structurally highly similar to MICAL1, which suggests that they may adopt the same catalytic mechanism, but the difference in the relative position of the CH domain produces a difference in F-actin substrate specificity.


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oxygen

Bottom-dwelling creatures in the Chesapeake Bay need more oxygen, study finds.

By insider.si.edu
Published On :: Fri, 28 Aug 2009 13:51:49 +0000

A recent survey of the bottom-dwelling animals of the Chesapeake has revealed that communities of even these relatively hardy organisms are under stress. Many regions of the bay are becoming inhospitable to bottom-dwelling animals because of a lack of oxygen—a condition known as “hypoxia.”

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Acidification, Low Oxygen Can be Deadly Combination for Fish

By insider.si.edu
Published On :: Tue, 10 May 2016 16:02:13 +0000

Higher acidity in coastal waters can make fish more sensitive to low oxygen, causing them to become debilitated and suffocate in water with oxygen levels […]

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