Results 71 to 80 of about 66,471 (314)

Acid-base cooperativity of heterogeneous catalyst containing acidic framework and sterically hindered base for aldol condensation

, 2009
A bifunctional heterogeneous catalyst containing two mutually incompatible acidic and basic sites, which exhibits cooperative catalytic behavior in the aldol condensation of acetone and various aldehydes, was synthesized by postgrafting of 1,5,7 ...
Xiaobing Lu, Li, Hua, Xu, Shu Tao, Lu, Xiao Bing, Zhang, Wei Ping   +4 more
core   +1 more source

Ambient Conversion of Carbon Dioxide into Liquid Fuel by a Heterogeneous Synergetic Dual Single-Atom Catalyst

, 2021
Ambient conversion of carbon dioxide into various liquid fuels or chemicals is a potential economical solution for reducing CO2 emissions, which may be responsible for recent climate change.
Guoqing, Ren, Weiqiao, Deng, Jikai, Sun, Li, Yang, Tie, Yu, Shengliang, Zhai, Lei, Sun   +6 more
core   +1 more source

Field Report from Collaborative Research Center 1625: Heterogeneous Research Data Management Using Ontology Representations

Advanced Engineering Materials, EarlyView.
A unified research data management framework for heterogeneous materials data is presented. The system integrates multimodal datasets using ontologies and knowledge graphs, enabling interoperability and FAIR (findable, accessible, interoperable, reusable) data principles. By linking data across scales and workflows, it supports reproducible, Artifitial
Doaa Mohamed, Samuel García Vázquez, Behnam Mardani, Victor Dudarev, Alfred Ludwig, Maribel Acosta, Markus Stricker   +6 more
wiley   +1 more source

Biodiesel Production Using Hybrid Amino Functionalized Chitosan-carbon Support as Green Catalyst [PDF]

Journal of Renewable Energy and Environment, 2016
In this study, Functionalized chitosan with amine groups was synthesized and coated on the surface of carbon black. The hybrid amino functionalized chitosan-carbon support was employed as an efficient, environmentally friendly heterogeneous catalyst for ...
Behzad Aghabarari
doaj   +1 more source

Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading

Advanced Engineering Materials, EarlyView.
This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev, Noah‐Lean Roschlaub, Anne Jung   +2 more
wiley   +1 more source

An Erbium-Based Bifuctional Heterogeneous Catalyst: A Cooperative Route Towards C-C Bond Formation

Molecules, 2014
Heterogeneous bifuctional catalysts are multifunctional synthetic catalysts enabling efficient organic transformations by exploiting two opposite functionalities without mutual destruction.
Manuela Oliverio, Paola Costanzo, Anastasia Macario, Giuseppina De Luca, Monica Nardi, Antonio Procopio   +5 more
doaj   +1 more source

A composite heterogeneous catalyst C-Py-Sn-Zn for selective electrochemical reduction of CO2 to methanol

Electrochemistry Communications, 2020
By using electrochemical oxidation and electrodeposition methods, 4-aminopyridine (Py) and bimetallic Sn-Zn were successfully immobilized on the surface of pure carbon paper to construct a composite heterogeneous catalyst (C-Py-Sn-Zn), which could ...
Wenjing Huang, Gaoqing Yuan
doaj   +1 more source

Co-Generation of C2+ Hydrocarbons and Synthesis Gas from Methane and Carbon Dioxide using Dielectric-Barrier Discharge Plasma Reactor without Catalyst at Low Temperature [PDF]

, 2005
Co-generation of C2+ hydrocarbons and synthesis gas from methane and carbon dioxide has been an important issue in tackling the global warming effects from the two greenhouse gases.
Istadi, I., Saidina Amin, N.A.
core  

Intrinsic Photoactive Star ZnPc–Poly(glutamate) Nanoplatforms for Multimodal Glioblastoma Therapy and Brain‐Targeted Delivery

Advanced Functional Materials, EarlyView.
An intrinsic photoactive star‐shaped zinc phtalocyanine‐poly(L‐glutamic acid) (ZnPc‐PGA) nanoplatform for multimodal glioblastoma (GBM) therapy and brain‐targeted elivery. A ZnPc‐PGA‐based multifunctional theranostic nanocarrier platform enables image‐guided, multimodal GBM therapy. ZnPc‐PGA nanocarriers support the integration of fluorescence imaging,
Amina Benaicha‐Fernández, Teodora Ranđelović, Ana Armiñán, Víctor Sebastián, Manuel Fuentes, Cristián Huck‐Iriart, Esther Masiá, Paula Carrascosa‐Marco, Pablo Juanes‐Velasco, Snežana Đorđević, Clara Bayona, Ignacio Ochoa, Maria Medel, Inmaculada Conejos‐Sánchez, María J. Vicent   +14 more
wiley   +1 more source

Tuning Separator Chemistry: Improving Zn Anode Compatibility via Functionalized Chitin Nanofibers

Advanced Functional Materials, EarlyView.
Nanochitin derived from waste shrimp shells is used to fabricate separators for aqueous zinc batteries. By tuning the density of amine and carboxylic surface groups, water mobility at the separator interface is controlled, promoting uniform zinc deposition, suppressing dendrite growth, and enabling exceptional cycling stability exceeding 2000 h ...
Ibrahim Al Kathemi, Vishnu Arumughan, Mohamed Zbiri, Marcel Kröger, Ira Smal, Eero Kontturi, Roza Bouchal   +6 more
wiley   +1 more source