Results 21 to 30 of about 1,620,370 (218)

Progress in Manipulating Dynamic Surface Reconstruction via Anion Modulation for Electrocatalytic Water Oxidation

Advanced Science, 2023
The development of efficient and economical electrocatalysts for oxygen evolution reaction (OER) is of paramount importance for the sustainable production of renewable fuels and energy storage systems; however, the sluggish OER kinetics involving ...
Zexing He, Muhammad Ajmal, Minghui Zhang, Xiaokang Liu, Zhen‐Feng Huang, Chengxiang Shi, Ruijie Gao, Lun Pan, Xiangwen Zhang, Ji‐Jun Zou   +9 more
doaj   +1 more source

The development of solid oxide co-electrolysis of H2O and CO2 on large-size cells and stacks

iEnergy, 2023
In the context of carbon neutrality, conversion of CO2 into CO is an effective way for negative carbon emission. Electrochemical reduction is a novel developed pathway, among which, solid oxide co-electrolysis technology is promising for its high ...
Jingjing Liang, Jianzhong Zhu, Minfang Han, Xiufu Hua, Duruo Li, Meng Ni   +5 more
doaj   +1 more source

Latest Developments of the Julia–Kocienski Olefination Reaction: Mechanistic Considerations

Molecules
Since its discovery, the Julia–Kocienski olefination reaction has over past 30 years become one of the key C-C connective methods that is used in late-stage natural product synthesis.
Daniel Chrenko, Jiří Pospíšil
doaj   +1 more source

Study of The Reaction Mechanism to Produce Nanocellulose-Graft-Chitosan Polymer

Nanomaterials, 2018
Cellulose and chitin are the most abundant polymeric materials in nature, capable of replacing conventional synthetic polymers. From them, cellulose nano/microfibers (CNFs/CMFs) and chitosan are obtained.
Jose Luis Sanchez-Salvador, Ana Balea, M. Concepcion Monte, Angeles Blanco, Carlos Negro   +4 more
doaj   +1 more source

Crystal Structure of 4′-Phenyl-1′,4′-Dihydro-2,2′:6′,2″-Terpyridine: An Intermediate from the Synthesis of Phenylterpyridine

Crystals
The intermediate compound 4′-phenyl-1′,4′-dihydro-2,2′:6′,2″-terpyridine (pdhtpy) was isolated for the first time during the synthesis of 4′-phenyl-2,2′:6′,2″-terpyridine (ptpy) and characterised by single-crystal X-ray diffraction.
Alexander Sedykh, Maksim Zhernakov, Mariia Becker, Dirk G. Kurth, Klaus Müller-Buschbaum   +4 more
doaj   +1 more source

Metal-Mediated Addition of N-Nucleophiles to Isocyanides: Mechanistic Aspects

Molecules, 2017
Despite the long history of the investigation of nucleophilic addition to metal-bound isocyanides, some important aspects of the reaction mechanism remain unclear even for the simplest systems.
Maxim L. Kuznetsov, Vadim Yu. Kukushkin
doaj   +1 more source

Pediatric Idiopathic Multicentric Castleman Disease Is Often Severe But Responsive to Siltuximab

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Idiopathic multicentric Castleman disease (iMCD) is a potentially fatal immunologic disorder marked by widespread lymphadenopathy and inflammation. Siltuximab, an interleukin‐6 (IL‐6) inhibitor, is the only FDA‐approved treatment for adult patients with iMCD.
Bridget Austin, Sheila K. Pierson, Kelley C. Dacus, Mateo Sarmiento Bustamante, Saishravan Shyamsundar, Larissa Borys, Kayla McHugh, Abiola Irvine, Yoojin Jo, Adam Bagg, Mary Jo Lechowicz, Daisy Alapat, Amy Chadburn, Megan S. Lim, Gordan Srkalovic, Frits van Rhee, David C. Fajgenbaum, Joshua D. Brandstadter   +17 more
wiley   +1 more source

Comparison of Phosphonium and Sulfoxonium Ylides in Ru(II)-Catalyzed Dehydrogenative Annulations: A Density Functional Theory Study

Molecules
Density functional theory calculations have been performed to explore the detailed mechanism of a ruthenium-catalyzed dehydrogenative annulation between α-carbonyl phosphonium ylide (A) and sulfoxonium ylide (B).
Wei Zhou, Lei Zhang, Dan-Yang Liu, Xiaosi Ma, Jie Zhang, Jiajia Kang   +5 more
doaj   +1 more source

Chloro- and Dichloro-methylsulfonyl Nitrenes: Spectroscopic Characterization, Photoisomerization, and Thermal Decomposition

Molecules, 2018
Chloro- and dichloro-methylsulfonyl nitrenes, CH2ClS(O)2N and CHCl2S(O)2N, have been generated from UV laser photolysis (193 and 266 nm) of the corresponding sulfonyl azides CH2ClS(O)2N3 and CHCl2S(O)2N3, respectively.
Yang Yang, Xianxu Chu, Yan Lu, Manabu Abe, Xiaoqing Zeng   +4 more
doaj   +1 more source

Computational Modeling of the Neurofibromin-Stimulated Guanosine Triphosphate Hydrolysis by the KRas Protein

Biophysica, 2023
We report the results of computational studies of the guanosine triphosphate (GTP) hydrolysis in the active site of the KRas-NF1 protein complex, where KRas stands for the K-isoform of the Ras (ras sarcoma) protein and NF1 (neurofbromin-1) is the ...
Igor Polyakov, Alexander Nemukhin
doaj   +1 more source