Results 41 to 50 of about 5,080,772 (270)

Synthesis of graphene oxide–metal nanoparticle nanocomposites for catalytic reduction of nitrocompounds in aqueous medium

open access: yesJournal of Taibah University for Science, 2021
Graphene oxide templated cobalt (GO–Co) and graphene oxide templated silver (GO–Ag) nanocomposites were synthesized and used as catalysts in the reduction of 4-Nitrophenol (4-NP), 2-Nitrophenol (2-NP) and 2-Nitroaniline (2-NA).
Hina Naeem   +4 more
doaj   +1 more source

Fabrication of Au-polymer hybrid colloids via a pH-modulated in situ reduction process for improved catalytic activity

open access: yesSN Applied Sciences, 2022
Article highlights • A novel functional microgel is tailored for the reduction and stabilization of Au(III) into Au nanoparticles. • The reduction process is switched by adjusting the base volume to generate Au nanoparticles with gradually varied ...
Jing Peng, Dongyan Tang
doaj   +1 more source

The chemistry of ultrasonic degradation of organic compounds [PDF]

open access: yes, 2011
The destruction of toxic organic molecules using advanced oxidation processes (AOPs) is a potent tool for pollution control and environmental protection.
Bremner, David H.   +2 more
core   +3 more sources

Synthesis of biomass-supported CuNi zero-valent nanoparticles through wetness co-impregnation method for the removal of carcinogenic dyes and nitroarene

open access: yesGreen Processing and Synthesis, 2020
Stabilization of zero-valent CuNi nanoparticles (NPs) supported on Cicer arietenum (CP) is reported here for the reduction and removal of persistent organic pollutants.
Hussain Shah   +9 more
doaj   +1 more source

Preparation and Characterization of α-Zinc Molybdate Catalyst: Efficient Sorbent for Methylene Blue and Reduction of 3-Nitrophenol

open access: yesMolecules, 2018
Zinc molybdate (ZnMoO4) was prepared by thermal decomposition of an oxalate complex under a controlled temperature of 500 °C. Analyses of the oxalate complex were carried out using Fourier transform infrared spectroscopy (FTIR) and thermogravimetric ...
Hicham Oudghiri-Hassani   +4 more
doaj   +1 more source

Microbial population changes during bioremediation of nitroaromatic - and nitramine-contaminated lagoon [PDF]

open access: yes, 2008
Nitration reactions of aromatic compounds are commonly involved in military industrial processes. Military industries treated their process effluents using lagoon systems for many years.
Goñi, Marisol   +5 more
core   +1 more source

Electrocatalytic C─N Coupling in Aqueous Solutions for High‐Value Product Synthesis

open access: yesAngewandte Chemie, EarlyView.
Electrocatalytic C–N coupling offers a sustainable route to synthesize crucial organic nitrogen compounds from abundant feedstocks under mild conditions. This review examines recent progress in overcoming key challenges, like slow kinetics and competing reactions through advanced catalysts and novel mechanisms, paving the way for transforming chemical ...
Yunpeng Zuo   +3 more
wiley   +2 more sources

An efficient Ag decorated CeO2 synergetic catalyst for improved catalytic reduction of lethal 4-nitrophenol

open access: yesChemical Physics Impact, 2023
Catalytic reduction is considered an effective approach for the reduction of toxic organic pollutants from the environment, but finding an active catalyst is still a big challenge.
Ahmed Ismail   +4 more
doaj   +1 more source

Effects of ultrasound on electrochemical oxidation mechanisms of p-substituted phenols at BDD and PbO2 anodes [PDF]

open access: yes, 2010
The effects of low-frequency (40 kHz) ultrasound are investigated with regard to the effectiveness and mechanisms of electrochemical oxidation of p-substituted phenols (p-nitrophenol, p-hydroxybenzaldehyde, phenol, p-cresol, and p-methoxyphenol) at BDD ...
Borthwick, Alistair G. L.   +5 more
core   +1 more source

Lipase inhibitory activity assay for fermented milk

open access: yesMethodsX, 2020
The lipase inhibitory activity method described here was developed to identify potential anti-obesity properties in milk fermented with different strains of lactic acid bacteria via inhibition of pancreatic lipase and a subsequent decrease in fat ...
Ana María Gil-Rodríguez   +1 more
doaj   +1 more source

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