Results 11 to 20 of about 219,982 (268)

Effect of doping TiO2 with alkaline-earth metal ions on its photocatalytic activity [PDF]

open access: yesJournal of the Serbian Chemical Society, 2007
TiO2 photocatalysts doped with alkaline-earth metal ions were prepared by the impregnation and coprecipitation methods. The sample were characterized by XRD, XPS and IR spectroscopy.
Li Yuexiang   +4 more
doaj   +1 more source

Effect of Water Chemistry on Zeta Potential of Air Bubbles

open access: yesInternational Journal of Electrochemical Science, 2013
Effects of various factors on zeta potential of air bubbles in aqueous solution were studied. It was found that the water pH, surfactants types and concentration, and water temperature had significant roles on the zeta potential of air bubbles.
Weihong Jia, Sili Ren, Bin Hu
doaj   +1 more source

Selective Oxidation of Zirconocyclopentenes via Organoboranes [PDF]

open access: yesOrganic Letters, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Jeffrey S T, Gorman   +2 more
openaire   +2 more sources

Alkyl ferulic acid esters: Evaluating their structure and antibacterial properties

open access: yesFrontiers in Microbiology, 2023
Ferulic acid (FA) is a natural antibacterial agent rich in plants, FA has excellent antioxidant and antibacterial properties. However, because of its short alkane chain and large polarity, FA is difficult to penetrate the soluble lipid bilayer in the ...
Wei Song   +5 more
doaj   +1 more source

Active catalyst construction for CO2 recycling via catalytic synthesis of N-doped carbon on supported Cu

open access: yesNature Communications, 2019
Bridging homogeneous and heterogeneous catalysis is a long-term pursuit in the field of catalysis. Here, the authors present results on integration of nano- and molecular catalysis via catalytic synthesis of nitrogen doped carbon layers on AlOx supported
Yajuan Wu   +5 more
doaj   +1 more source

Iodine-catalyzed diazo activation to access radical reactivity

open access: yesNature Communications, 2018
Radical reactivity of diazo compounds, useful organic building blocks, is yet underexplored. Here, the authors report an iodine-catalyzed radical activation of diazo compounds affording a variety of substituted cyclopropanes, pyrroles and epoxides under ...
Pan Li   +5 more
doaj   +1 more source

Methane Activation by Selective Oxidation [PDF]

open access: yesTopics in Catalysis, 2016
The selective activation of methane by oxidation is a topic that has fascinated scientists and engineers for over a century. In this paper some of the recent approaches will be described and discussed. In particular, the use of FeZSM5 as a catalyst for methane oxidation with aqueous hydrogen peroxide will be described.
openaire   +1 more source

Industrial application of gasoline aromatization and desulfurization technology in Hohhot refinery [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2017
Gasoline aromatization and desulfurization (GARDES) technology is extensively used in refineries of Petrochina, aiming to produce high quality ultraclean fluid catalytic cracking (FCC) gasoline.
Li Zixia   +4 more
doaj   +1 more source

Polyoxometalate-Based Catalysts for CO2 Conversion

open access: yesMolecules, 2019
Polyoxometalates (POMs) are a diverse class of anionic metal-oxo clusters with intriguing chemical and physical properties. Owing to unrivaled versatility and structural variation, POMs have been extensively utilized for catalysis for a plethora of ...
Yanwei Cao   +3 more
doaj   +1 more source

Proton Transfer Can Govern Regioselectivity Assisted by Iron Catalysis

open access: yesiScience, 2020
Summary: Ortho-selective aromatic C-H functionalization is frequently used in organic synthesis and chemical/pharmaceutical industries. However, this reaction relies heavily on the use of directing groups suffering from limited substrate scope and extra ...
Yudong Li   +6 more
doaj   +1 more source

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