Articles with "product selectivity" as a keyword



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Discovery and Characterization of a Novel Method for Effective Improvement of Cyclodextrin Yield and Product Specificity

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Published in 2019 at "Chemical Research in Chinese Universities"

DOI: 10.1007/s40242-019-8406-0

Abstract: Cyclodextrins(CDs) are widely used in food, pharmaceuticals, drug delivery, and chemical industries and in agriculture and environmental engineering. To improve the yield and selectivity of CDs, this work presented a facile, scalable and efficient enzymatic… read more here.

Keywords: product selectivity; yield product; yield; discovery characterization ... See more keywords
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Ethanol:propionate ratio drives product selectivity in odd-chain elongation with Clostridium kluyveri and mixed communities.

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Published in 2020 at "Bioresource technology"

DOI: 10.1016/j.biortech.2020.123651

Abstract: Microbial production of valerate, a five-carbon carboxylate, can occur from propionate and ethanol through a process called odd-chain elongation. The generation of even-chain compounds in this process lowers product selectivity, forming a key challenge. This… read more here.

Keywords: chain; chain elongation; product selectivity; odd chain ... See more keywords
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Electroreduction of CO2 on polycrystalline copper: Effect of temperature on product selectivity

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Published in 2017 at "Catalysis Today"

DOI: 10.1016/j.cattod.2016.09.028

Abstract: Abstract In this paper, we investigate the effect of temperature on product selectivity for the electrochemical reduction of carbon dioxide (CO2) on polycrystalline copper (Cu). We show that the temperature of an electrolyte solution can… read more here.

Keywords: effect temperature; product selectivity; temperature product; temperature ... See more keywords
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Enhanced product selectivity in the microbial electrosynthesis of butyrate using a nickel ferrite-coated biocathode.

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Published in 2021 at "Environmental research"

DOI: 10.1016/j.envres.2021.110907

Abstract: Microbial electrosynthesis (MES) is a potential sustainable biotechnology for the efficient conversion of carbon dioxide/bicarbonate into useful chemical commodities. To date, acetate has been the main MES product; selective electrosynthesis to produce other multi-carbon molecules,… read more here.

Keywords: production; microbial electrosynthesis; product selectivity; product ... See more keywords

Constructing Y2B2O7 (B = Ti, Sn, Zr, Ce) Compounds to Disclose the Effect of Surface Acidity-Basicity on Product Selectivity for Oxidative Coupling of Methane (OCM).

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c01754

Abstract: To investigate the influence of surface acidity and basicity on the OCM reaction, four pure-phase Y2B2O7 (B = Ti, Sn, Zr, Ce) compounds have been purposely constructed. The exquisite phase structure change results in the… read more here.

Keywords: surface acidity; product selectivity; basicity; surface ... See more keywords

Mechanism of Hydroboration of CO2 Using an Fe Catalyst: What Controls the Reactivity and Product Selectivity?

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Published in 2023 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c02812

Abstract: Using a combination of density functional theory (DFT) and ab initio complete active space self-consistent field (CASSCF) calculations, various elementary steps in the mechanism of the reductive hydroboration of CO2 to two-electron-reduced boryl formate, four-electron-reduced… read more here.

Keywords: catalyst; product selectivity; hydroboration co2; mechanism ... See more keywords
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Origin of Product Selectivity in Yttrium-Catalyzed Benzylic C–H Alkylations of Alkylpyridines with Olefins: A DFT Study

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Published in 2018 at "Organometallics"

DOI: 10.1021/acs.organomet.8b00397

Abstract: DFT studies have been conducted for the direct benzylic C(sp3)–H alkylation of alkylpyridines with olefins catalyzed by a cationic half-sandwich yttrium alkyl complex. It has been found that, in th... read more here.

Keywords: yttrium catalyzed; yttrium; alkylpyridines olefins; product selectivity ... See more keywords
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Morphology Manipulation of Copper Nanocrystals and Product Selectivity in the Electrocatalytic Reduction of Carbon Dioxide

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Published in 2019 at "ACS Catalysis"

DOI: 10.1021/acscatal.9b00790

Abstract: We have revealed that cubelike and hexarhombic docadehedron-like Cu single crystals showed an enhancement of C2 products (ethylene and ethanol) while octahedron-like Cu nanoscale single crystals pr... read more here.

Keywords: manipulation copper; selectivity electrocatalytic; product selectivity; copper nanocrystals ... See more keywords
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Tandem Reactions over Zeolite-Based Catalysts in Syngas Conversion

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Published in 2022 at "ACS Central Science"

DOI: 10.1021/acscentsci.2c00434

Abstract: Syngas conversion can play a vital role in providing energy and chemical supplies while meeting environmental requirements as the world gradually shifts toward a net-zero. While prospects of this process cannot be doubted, there is… read more here.

Keywords: product selectivity; syngas conversion; based catalysts; conversion ... See more keywords
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Architectural Design for Enhanced C2 Product Selectivity in Electrochemical CO2 Reduction Using Cu-Based Catalysts: A Review.

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Published in 2021 at "ACS nano"

DOI: 10.1021/acsnano.0c10697

Abstract: Electrochemical CO2 reduction to value-added chemicals and fuels is a promising approach to mitigate the greenhouse effect arising from anthropogenic CO2 emission and energy shortage caused by the depletion of nonrenewable fossil fuels. The generation… read more here.

Keywords: co2; co2 reduction; product selectivity; electrochemical co2 ... See more keywords
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Achieving High Photo/Thermocatalytic Product Selectivity and Conversion via Thorium Clusters with Switchable Functional Ligands.

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

DOI: 10.1021/jacs.2c08258

Abstract: Structural exploration and functional application of thorium clusters are still very rare on account of their difficult synthesis caused by the susceptible hydrolysis of thorium element. In this work, we elaborately designed and constructed four… read more here.

Keywords: thorium; product selectivity; conversion; switchable functional ... See more keywords