Results 71 to 80 of about 20,716 (263)

Photooxidation of Toluene: Correlation of Noble Metal Loading on Titania and Activation Energy

Journal of Chemistry, 2016
A series of platinum and palladium supported on titania catalysts were prepared by wet impregnation method with the Pt or Pd loading varying in the range of 0.1–1.2 weight percent.
Haroon ur Rashid, Mohammad Sadiq, Muhammad Abid Zia, Saima Sadiq, M. Sohail Ahmad, Razia Aman, Muhammad Humayun, Rahmat Ali   +7 more
doaj   +1 more source

A combustão catalítica do metano: estudo estatístico do efeito das variáveis de preparação e pré-tratamento de catalisadores de paládio suportado sobre a atividade catalítica The catalytic combustion of methane: statistical study of preparation and pretreatment conditions of palladium supported catalysts and their relationship with catalytic activity

Química Nova, 2001
The catalytic combustion of methane on alumina supported palladium catalysts was studied. It has been reported that the activity of the catalyst increases with its time on line, despite of an increase of the palladium particle size.
Maria da Graça Carneiro da Rocha, Roger Frety, Pierre Lanteri   +2 more
doaj   +1 more source

Palladium-on-Charcoal Catalysts

Platinum Metals Review, 1961
The performance of charcoal-based catalysts cannot be described simply in terms of their mesh size and noble metal content, as many factors can cause wide variations in activity, selectivity and resistance to poisoning. It is possible, however, by close collaboration between catalyst manufacturer and user, and by suitable choice of base and production ...
J. C. Chaston, E. J. Sercombe
openaire   +1 more source

Optoelectrical Devices for Neural Interfacing: Engineering Integration, Stability, and Multimodal Sensing

Advanced Healthcare Materials, EarlyView.
Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou, Barbara Spagnolo, Antonio Balena, Massimo De Vittorio, Ferruccio Pisanello   +4 more
wiley   +1 more source

A Modular Bioinstructive Platform Reveals Mechanistic Insights into Additive‐Free, Topography‐Driven Osteogenesis

Advanced Healthcare Materials, EarlyView.
Engineered microparticle topographies direct human mesenchymal stem cell osteogenesis without biochemical additives. This osteogenic commitment is driven by canonical Hedgehog signaling and followed by temporal IGF‐II engagement. Two‐photon polymerization demonstrates spatial control, enabling the engineering of topographical gradients that pattern ...
Fatmah I. Ghuloum, Leo A. H. Zeef, Lee A. Stevens, Marco A. N. Domingos, Susan J. Kimber, Mahetab H. Amer   +5 more
wiley   +1 more source

Synthesis and Characterization of Palladium Stabilized Silicon Carbide as a Heterogeneous Photocatalyst in Heck Coupling Reaction under Visible Light Irradiation [PDF]

شیمی کاربردی روز
The Heck reaction is recognized as an effective method for the synthesis of high-value organic compounds, and the use of photocatalysts, particularly palladium nanoparticles, can significantly enhance the yield and selectivity of these reactions. In this
Zahra Bazyar, neda baluchi, mohammad zarei   +2 more
doaj   +1 more source

Nanotherapies for Atherosclerosis: Targeting, Catalysis, and Energy Transduction

Advanced Healthcare Materials, EarlyView.
Atherosclerosis management is hindered by poor drug targeting and plaque heterogeneity. Nanotechnology overcomes these barriers via three core strategies: (1) target‐engineered nanocarriers that achieve lesion‐specific precision via ligand modification, biomimetic camouflage, stimuli‐responsive release, and self‐propelling nanomotors; (2) catalytic ...
Yuqi Yang, Jingguo Qu, Tonghuan Xiao, Xinyang Han, Michael Tin‐Cheung Ying   +4 more
wiley   +1 more source

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

Advanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa, Gracia Mendoza, Silvia Irusta, Manuel Arruebo   +3 more
wiley   +1 more source

The Influence of Ligands on the Pd-Catalyzed Diarylation of Vinyl Esters

Molecules
The impact of ligands on the palladium-catalyzed 1,2-diarylation reaction course is presented. The application of Pd-dmpzc as a catalyst provides an efficient, chemoselective and sustainable protocol for the synthesis of valuable 1,2-diphenylethyl ...
Anna Brodzka, Dominik Koszelewski, Anna Trzeciak, Lena Ruzik, Malgorzata Grela, Ryszard Ostaszewski   +5 more
doaj   +1 more source

Highly active and stable supported Pd catalysts on ionic liquid-functionalized SBA-15 for Suzuki–Miyaura cross-coupling and transfer hydrogenation reactions

Green Energy & Environment, 2019
Highly dispersed palladium nanoparticles were synthesized in the presence of immobilized ionic liquid on mesoporous silica SBA-15. PdNPs(2.4 nm)_me-Im@SBA-15 catalyst was prepared by the reduction using NaBH4 as the reducing agent with controlled feed ...
Etty N. Kusumawati, Takehiko Sasaki
doaj   +1 more source