Results 81 to 90 of about 212,515 (313)

Performance of nanocrystalline Ni3N as a negative electrode for sodium-ion batteries

open access: yes, 2013
Nickel nitride is synthesised by high temperature ammonolysis of nickel(II) hexamine and tris(ethylenediamine) salts. Its electrochemical characteristics are examined in half-cells vs. lithium and sodium.
Hasan, Mahboba M.   +3 more
core   +1 more source

Recent progress towards the electrosynthesis of ammonia from sustainable resources [PDF]

open access: yes, 2017
Ammonia (NH3) is a key commodity chemical of vital importance for fertilisers. It is made on an industrial scale via the Haber Bosch process, which requires significant infrastructure to be in place such that ammonia is generally made in large ...
Shipman, Michael A., Symes, Mark D.
core   +1 more source

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

open access: yesAdvanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

An Efficient Symmetric Electrolyzer Based On Bifunctional Perovskite Catalyst for Ammonia Electrolysis

open access: yesAdvanced Science, 2021
Ammonia is a natural pollutant in wastewater and removal technique such as ammonia electro‐oxidation is of paramount importance. The development of highly efficient and low‐costing electrocatalysts for the ammonia oxidation reaction (AOR) and hydrogen ...
Mengfei Zhang   +10 more
doaj   +1 more source

Biocompatible but Antibacterial Mechanism of Graphene Oxide for Sustainable Antibiotics

open access: yesAdvanced Functional Materials, EarlyView.
Graphene oxide (GO) exhibits selective antibacterial activity through specific interactions between its oxygen functional groups and bacterial membrane phospholipid POPG, causing membrane destabilization while maintaining biocompatibility. Model membrane studies and infected wound models in mice and pigs demonstrate effective bacterial suppression and ...
Sujin Cha   +15 more
wiley   +1 more source

Enhanced ammonia electro-oxidation reaction on platinum‑iron oxide catalyst assisted by MagnetoElectroCatalysis

open access: yesApplied Catalysis O: Open
Ammonia poses significant environmental challenges due to its role in water pollution, contributing to eutrophication and several detrimental environmental and ecological issues.
Caio Machado Fernandes   +6 more
doaj   +1 more source

Gas-Phase Photocatalytic Oxidation of Dimethylamine: The Reaction Pathway and Kinetics

open access: yesInternational Journal of Photoenergy, 2007
Gas-phase photocatalytic oxidation (PCO) and thermal catalytic oxidation (TCO) of dimethylamine (DMA) on titanium dioxide was studied in a continuous flow simple tubular reactor.
Anna Kachina, Sergei Preis, Juha Kallas
doaj   +1 more source

Quantification of ammonia oxidation rates and the distribution of ammonia-oxidizing Archaea and Bacteria in marine sediment depth profiles from Catalina Island, California

open access: yesFrontiers in Microbiology, 2012
Microbial communities present in marine sediments play a central role in nitrogen biogeochemistry at local to global scales. Along the oxidation-reduction gradients present in sediment profiles, multiple nitrogen cycling processes (such as nitrification,
J. Michael eBeman   +4 more
doaj   +1 more source

Study of removal of ammonia from urine vapor by dual catalyst [PDF]

open access: yes
The feasibility of ammonia removal from urine vapor by a low temperature dual-catalyst system was investigated. The process is based on the initial catalytic oxidation of ammonia present in urine vapor to nitrogen and nitrous oxide, followed by a ...
Budininkas, P.
core   +1 more source

Evaluation on Biofilter in Recirculating Integrated Multi-Trophic Aquaculture [PDF]

open access: yes, 2013
Integrated multi-trophic aquaculture pays more attention as a bio-integrated food production system that serves as a model of sustainable aquaculture, minimizes waste discharge, increases diversity and yields multiple products.
Asfie, Maidie, S., Sumoharjo
core   +3 more sources

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