Results 51 to 60 of about 801,967 (275)

Autonomous Solar Metallurgy for High-Purity Gold Recovery from Electronic Waste. [PDF]

Adv Sci (Weinh)
Inspired by microbial strategies for metal uptake and biomineralization, defect‐rich copper sulfide (Cu31S16) functions as a solar metallurgical platform that unifies Au(III) capture, reduction, and self‐separation. The bioinspired design enables ultrafast gold recovery from electronic‐waste leachates and the spontaneous formation of millimeter‐scale ...
Liu C, Li J, Ruan J, Zhang W, Sun W, Li H, Xie L, Liu M.   +7 more
europepmc   +2 more sources

Effect of pressure on the sulfidation behavior of NiW catalysts: A 182W Mössbauer spectroscopy study

, 2010
The sulfidation of Al2O3- and ASA-supported NiW catalysts under conditions relevant to industrial practice was studied for the first time by 182W Mössbauer spectroscopy.
Hensen, E.J.M., Dugulan, A.I., Veen, van, J.A.R.   +2 more
core   +1 more source

Designing Vanadium‐Based Oxide Electrocatalysts for Water Splitting: Experimental and Mechanistic Insights with Machine Learning

Advanced Functional Materials, EarlyView.
This review establishes structure‐property‐mechanism relationships across six modification strategies for V‐based oxide water‐splitting electrocatalysts: lattice engineering, heteroatom doping, interface engineering, carbon‐based hybridization, morphology engineering, and surface reconstruction and pre‐catalyst design, where dissolution is reframed as ...
Youness El Issmaeli, Amina Lahrichi, Hoje Chun, Rafael Gómez‐Bombarelli, Bruno G. Pollet   +4 more
wiley   +1 more source

Mineralogy, alteration, fluid inclusions microthermometry and genesis of the Cu-Au Kalateh Dasht deposit, south of Shahrood, NE Iran

Journal of Economic Geology
The Kalateh Dasht deposit is situated in the northern part of the Central Iran structural zone, northeast of the Toroud-Chah Shirin magmatic arc. The Cu-Au mineralization is hosted by diorite porphyry subvolcanic rocks with a post-Eocene age.
Mohadeseh Eskandari , Fardin Mousivand , Maryam Sheibi , Bernd Lehmann   +3 more
doaj   +1 more source

Selective Sulfidation for Rare Earth Element Separation

, 2022
Rare earth metals and compounds are critical components of advanced materials for energy, structural alloys, and transportation. These low-tonnage elements are sourced together as by- and co-products, and presently require complete hydrometallurgical ...
Antoine Allanore, Stinn, Caspar, Allanore, Antoine, Caspar Stinn   +3 more
core   +1 more source

Covalent Functionalization of 2D Semiconductors: A Roadmap to Advanced Electronic Devices

Advanced Functional Materials, EarlyView.
This Review presents recent advances in the covalent functionalization strategies for two‐dimensional semiconductors and their implementation in modern technologies. Layered materials are modified through diverse molecular chemistries (e.g., thiols, diazonium salts, alkyl halides, and electron‐deficient species) to tailor their surface properties ...
Ramiro Quirós‐Ovies, Bin Han, Paolo Samorì   +2 more
wiley   +1 more source

Charge‐Polarized Ni─S4 Single‐Atom Sites Drive Selective Photoreforming of Poly(lactic acid) to Lactate and Hydrogen

Advanced Functional Materials, EarlyView.
Atomically dispersed Ni–S4 sites on CdS nanorods induce interfacial charge polarization, directing photogenerated electrons to H2 evolution and holes to selective ester‐bond cleavage of poly(lactic acid). Without sacrificial reagents, this charge‐coupled system produces lactate while suppressing overoxidation, achieving an H2 evolution rate of 41.74 ...
Yu Yao, Panpan Zhang, Jinqiang Zhang, Xi‐lin Wu, Tara Pukala, Yifei Wang, Bernt Johannessen, Shaobin Wang, Xiaoguang Duan   +8 more
wiley   +1 more source

Engineered Nanoplatforms Targeting Activated Hepatic Stellate Cells for Liver Fibrosis Therapy via TGF‐β Axis Inhibition and Ferroptosis Induction

Advanced Healthcare Materials, EarlyView.
FeS‐VA@lanifibranor (FVL), an activated hepatic stellate cell (aHSC)‐targeted nanoplatform comprising vitamin A‐functionalized two‐dimensional iron sulfide nanosheets and lanifibranor, is engineered for precision therapy of liver fibrosis. FVL suppresses the TGF‐β signaling pathway by inhibiting SMAD2/3 phosphorylation and induces ferroptosis in aHSCs,
Yinuo Yang, Mengyao Mu, Ke Ren, Hui Liu, Pengju Ma, Yingqi Wang, Mengmeng Zhang, Xueli Xu, Wenzhe Li, Wenshuang Gao, Xiao Sun, Qiang Zhu   +11 more
wiley   +1 more source

O Depósito de Santa Maria e as ocorrências de metais de base na Bacia do Camaquã

Geologia USP. Série Científica, 2023
Diversas ocorrências de metais de base e preciosos, além da Mina de cobre do Camaquã e do depósito de zinco e chumbo de Santa Maria, são conhecidas na Bacia do Camaquã Central.
Lucas Ferreira de Brito, Caetano Juliani, Samuel Bouças do Lago   +2 more
doaj  

Sulfidation-Induced Surface Local Electronic and Atomic Structures in a Silver Catalyst Enables Silicon Photocathode for Selective and Efficient Photoelectrochemical CO₂ Reduction

Converting CO2 to value-added chemicals through a photoelectrochemical (PEC) system is a creative approach toward renewable energy utilization and storage.
Ningbo Fan (8354523), Cong Chen (325493), Junxia Shen (18406792), Yang Peng (486260), Mingrong Shen (2075032), Yuquan Wu (15066400), Zhihe Wei (16876480), Ronglei Fan (3737119), Bin Xu (10691)   +8 more
core   +1 more source