Articles with "highly oxidized" as a keyword



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Oxidative Methane Conversion to Ethane on Highly Oxidized Pd/CeO2 Catalysts Below 400 ˚C.

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Published in 2020 at "ChemSusChem"

DOI: 10.1002/cssc.201903311

Abstract: Methane upgrading into more valuable chemicals has received much attention. Herein, we report oxidative methane conversion to ethane using gaseous O 2 at low temperatures (< 400 ˚C) and atmospheric pressure in a continuous reactor.… read more here.

Keywords: ethane; oxidative methane; methane conversion; methane ... See more keywords
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Understanding the cross-linking reactions in highly oxidized graphene/epoxy nanocomposite systems

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Published in 2018 at "Journal of Materials Science"

DOI: 10.1007/s10853-018-3076-8

Abstract: Graphene oxide (GO) was produced using acidic graphite oxidation and dispersed within an epoxy matrix using a solvent-based technique, to give nanocomposites containing up to 2 wt% of GO. Transmission and scanning electron microscopy revealed a… read more here.

Keywords: graphene; highly oxidized; understanding cross; linking reactions ... See more keywords

Preparation of highly-oxidized starch using hydrogen peroxide and its application as a novel ligand for zirconium tanning of leather.

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Published in 2017 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2017.06.114

Abstract: A series of highly-oxidized starch (HOS) were prepared using H2O2 and a copper-iron catalyst as a desired ligand for zirconium tanning of leather. The effects of catalyst and H2O2 dosages, and reaction temperature on the… read more here.

Keywords: tanning leather; oxidized starch; highly oxidized; zirconium ... See more keywords
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Highly improving the mechanical-responses/thermal-stability of the epoxy nano-composite using novel highly-oxidized multi-walled carbon nanotubes (OMWCNT) functionalized by Zinc-doped Polyaniline (PANI) nanofibers

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Published in 2021 at "Journal of The Taiwan Institute of Chemical Engineers"

DOI: 10.1016/j.jtice.2021.02.008

Abstract: Abstract Herein, the synthesis of a novel highly-oxidized carbon nanotubes (OMWCNT) modified by the Emeraldine salt (ES)-based polyaniline (PANI) nanofibers (NFs) was carried out. The zinc doped OMWCNT-PANI particles were synthesized to achieve novel nanoparticles,… read more here.

Keywords: pani; pani nanofibers; carbon nanotubes; nano composite ... See more keywords

Pathways to Highly Oxidized Products in the Δ3-Carene + OH System.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.1c06949

Abstract: Oxidation of the monoterpene Δ3-carene (C10H16) is a potentially important and understudied source of atmospheric secondary organic aerosol (SOA). We present chamber-based measurements of speciated gas and particle phases during photochemical oxidation of Δ3-carene. We… read more here.

Keywords: oxidation; system; carene; pathways highly ... See more keywords

Primary Formation of Highly Oxidized Multifunctional Products in the OH-Initiated Oxidation of Isoprene: A Combined Theoretical and Experimental Study.

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Published in 2018 at "Environmental science & technology"

DOI: 10.1021/acs.est.8b02783

Abstract: It is generally assumed that isoprene-derived secondary organic aerosol (SOA) precursors are mainly formed from the secondary reactions of intermediate products with OH radicals in the gas phase and multiphase oxidation in particles. In this… read more here.

Keywords: oxidation; formation highly; highly oxidized; formation ... See more keywords

Highly Oxidized Cobalt Porphyrin Dimer: Control of Spin Coupling via a Bridge.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c03807

Abstract: A cobalt porphyrin dimer is constructed in which two Co(II)porphyrins are connected covalently through a redox-active diethylpyrrole moiety via a flexible but "nonconjugated" methylene bridge. Upon oxidation with even a mild oxidant such as iodine,… read more here.

Keywords: cobalt porphyrin; cobalt; highly oxidized; bridge ... See more keywords
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Taccachatrones A-G, Highly Oxidized Steroids from the Rhizomes of Tacca chantrierii and Their Cytotoxicity Assessment.

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Published in 2021 at "Journal of natural products"

DOI: 10.1021/acs.jnatprod.1c00342

Abstract: Seven highly oxidized steroids, taccachatrones A-G (1-7), together with four known taccalonolides (8-11), were characterized from the rhizomes of Tacca chantrieri. The structures of 1-7 were established on the basis of spectroscopic data analysis, while… read more here.

Keywords: oxidized steroids; highly oxidized; rhizomes tacca; steroids rhizomes ... See more keywords

Highly Oxidized Germacranolides from Elephantopus tomentosus and the Configurational Revision of Some Previously Reported Analogues.

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Published in 2022 at "Journal of natural products"

DOI: 10.1021/acs.jnatprod.2c00630

Abstract: Highly oxidized germacranolides are mainly found in the genus Elephantopus, contain a characteristic ten-membered molecular core that is highly flexible, and exhibit potential cytotoxic properties. However, their configurations were assigned ambiguously in previous reports due… read more here.

Keywords: reported analogues; elephantopus tomentosus; previously reported; germacranolides elephantopus ... See more keywords

Set of Cytochrome P450s Cooperatively Catalyzes the Synthesis of a Highly Oxidized and Rearranged Diterpene-Class Sordarinane Architecture.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c12427

Abstract: Cytochrome P450s are one of the most versatile oxidases that catalyze significant and unique chemical transformations for the construction of complex structural frameworks during natural product biosynthesis. Here, we discovered a set of P450s, including… read more here.

Keywords: sordarinane architecture; p450s; cytochrome p450s; highly oxidized ... See more keywords

Construction of the highly oxidized bicyclo[3.2.1]octane CD ring system of aconitine via a late stage enyne cycloisomerization.

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Published in 2018 at "Chemical communications"

DOI: 10.1039/c8cc06819d

Abstract: A strategy for synthesizing the highly oxidized bicyclo[3.2.1]octane CD rings of aconitine is reported. The key features of the synthesis include a ring-closing metathesis to form the C-ring as well as the application of a… read more here.

Keywords: bicyclo octane; system aconitine; enyne cycloisomerization; highly oxidized ... See more keywords