Results 31 to 40 of about 436,489 (154)

Pyridinium Cations Act as Charge Reservoirs in Expanded Halide Perovskite Analogs at High Pressure

Angewandte Chemie, Volume 138, Issue 43, 19 October 2026.
Redox‐innocent pyridinium derivatives can act as charge reservoirs in expanded tin‐iodide perovskite analogs. Material compression reduces the energy gap between the pyridinium π* acceptor orbital and the valence‐band maximum, facilitating electron transfer from the framework to the molecules and thereby significantly increasing electronic conductivity
Christina R. Deschene, Feng Ke, Kostas Fykouras, Alexander C. Su, Yu Lin, Linn Leppert, Hemamala I. Karunadasa, Roc Matheu   +7 more
wiley   +2 more sources

Síntese e emprego do [Pd(dmba)(NCO)(PPh 3 )] em processos catalíticos envolvendo a preparação de derivados da uréia e de alcoxicarbonil complexos

Eclética Química, 2018
Este trabalho trata do emprego do ciclometalado [Pd(dmba) (NCO)(PPh 3 )] (dmba = N,N- dimetilbenzilamina; PPh 3 = trifenilfosfina) em processos catalíticos em fase homogênea, envolvendo a reação entre p-toluidina e p-nitrotolueno, produzindo N,N’-bis(4 ...
V. A. de Lucca Neto, Antonio Eduardo Mauro, Sandra R. Ananias, Alessandra Stevanato, A. C. Moro   +4 more
doaj   +1 more source

Exploring the Boundaries of Aromaticity in Complex Structures and Excited States Through Computational Analysis

Chemistry – A European Journal, EarlyView.
Understanding aromaticity has evolved from benzene‐centric concepts to a broad multidimensional framework spanning organic, inorganic, and excited‐state systems. This review highlights ambiguities between magnetic, electronic, geometric, and energetic descriptors, emphasizing the need for unified, multi‐criteria approaches.
Sílvia Escayola, Miquel Solà, Albert Poater   +2 more
wiley   +1 more source

[Introdução à química inorgânica]

, 2009
As imagens estão desformatadas por não existir licença para as colocar nesta plataforma.Texto referente às aulas da licenciatura em Química à unidade curricular de Introdução à química Inorgânica leccionada em 2009/2010 e 2010 ...
Lima, Sílvia M. M. A. Pereira
core   +1 more source

Tailoring phosphate mining waste into high‐performance geopolymers: A sustainable process for selective CO2/N2 separation

The Canadian Journal of Chemical Engineering, EarlyView.
Overview of the synthesis, structural features, and CO2 capture performance of geopolymer‐based adsorbents prepared from phosphate mining waste, including granular and spherical materials with high surface area, CO2 capture capacity, and CO2/N2 selectivity.
Alisson Lopes Freire, Mariana Schneider, Ramon Vinícius Santos de Aquino, Enrique Rodríguez‐Castellón, Tirzhá Lins Porto Dantas, Bruno Francisco Oechsler, Humberto Jorge José, Regina de Fátima Peralta Muniz Moreira   +7 more
wiley   +1 more source

Unraveling A4GALT Mechanism and Its Modulation With Adamantyl‐Galactosylceramide Analogues: Advancing Fabry Disease Therapeutic Strategies

Angewandte Chemie, Volume 138, Issue 41, 5 October 2026.
A 310‐helix‐mediated conformational switch promotes a front‐face SNi‐like catalysis by human A4GALT. Mechanism‐guided design identifies AdaGalCer as a selective modulator of globotriaosylceramide (Gb3) biosynthesis, opening a clear route toward new Fabry disease therapeutics.
Nicky de Koster, Òscar Vidal‐Gironès, Rowan de Graaf, Ken Kok, Lindsey T. Lelieveld, Jackelien Hoogervorst, Maria J. Ferraz, José Pablo Rivas‐Fernández, Rob F. Lammers, Herman S. Overkleeft, Johannes M. F. G. Aerts, Rolf G. Boot, Carme Rovira, Marta Artola   +13 more
wiley   +2 more sources

A High‐Performance Oxidized Graphene for Dendrite‐Free Anodes and Kinetically Enhanced Cathodes of Aqueous Zn‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Oxidized graphene rich in carboxylic acid groups obtained via a simple electrochemical exfoliation route is shown to tackle the main challenges of aqueous Zn‐ion batteries (AZIBs), specifically short Zn anode cycle life and sluggish cathode reaction kinetics.
Enrique Álvarez‐Rubiera, José M. Munuera, Julen Beitia, Cian Gabbett, Alba Suárez‐Fernández, Eider Goikolea, Jonathan N. Coleman, Idoia Ruiz de Larramendi, Silvia Villar‐Rodil, Juan I. Paredes   +9 more
wiley   +1 more source

Livro Didático: Análise e Compreensão na Abordagem sobre Compostos Inorgânicos

Conexões: Ciência e Tecnologia, 2018
O trabalho tem como objetivo analisar a abordagem do conteúdo de Compostos Inorgânicos nos livros didáticos de Química de duas editoras: Ática e AJS, comparando a forma de tratamento da temática nas obras analisadas e propõe uma discussão sobre o livro ...
João Gomes de Oliveira Neto, Raychimam Douglas Bezerra Santana, Mônica Rodrigues de Sá, Leonardo Rodrigues Sobreira, Gleison Lopes da Silva, Jaqueline de Lima Nascimento, Silvany Bastos Santiago   +6 more
doaj   +1 more source

Axial Chirality Control Through Palladium‐Catalyzed Alkenylation Reactions for the Atroposelective Synthesis of 4‐Arylquinolin‐2‐ones

European Journal of Organic Chemistry, EarlyView.
Palladium(II)‐catalyzed intramolecular C─H alkenylation of cinnamides allows the atroposelective synthesis of axially chiral 4‐arylquinolones, with the chirality being installed by ring formation. DFT studies have shown that the reaction proceeds by prior activation of the alkene and the enantioselectivity is determined during the β‐hydride elimination
Brenda Fundora, Asier Carral‐Menoyo, Mikel Martinez‐Nunes, Sheila Brown, Yeray Ferrero, Yaneris Martinez‐Mendizábal, Nuria Sotomayor, Enrique Gómez‐Bengoa, Esther Lete   +8 more
wiley   +1 more source

Seeded Growth of Plasmonic Core‐Shell NU‐1000 NanoMOFs With Intracellular Optical Readout

Small, EarlyView.
Seed‐mediated growth yields plasmonic core‐shell nanocomposites by encapsulating gold nanoparticles within NU‐1000 nanoMOFs, preserving morphology and optical response. The materials exhibit tunable photoluminescence quenching, efficient photothermal heating, and SERS activity.
Manuel Ceballos, Oleg Semyonov, Enrica Soprano, Ethan Kensett, José Manuel Vila‐Fungueiriño, Timothy M. Craig, Sara Bals, Ester Polo, Beatriz Pelaz, Pablo del Pino   +9 more
wiley   +1 more source