Green Chemistry
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10.18
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7,615
Papers 8,758
1 page of 876 pages (8,758 results)
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#1Hye-Jin JoH-Index: 2
#2Jun-Hong KimH-Index: 1
Last. Jin-Byung ParkH-Index: 17
view all 11 authors...
A novel biocatalytic system for the synthesis of the industrially relevant C2 chemicals (e.g., ethylene glycol (3)) from formaldehyde (1) was established. The biocatalytic system consisted of a newly discovered thermostable glyoxylate carboligase from Escherichia coli K-12 (EcGCL) and a lactaldehyde reductase (FucO) of E. coli K-12. The affinity for formaldehyde of EcGCL was first improved by engineering the substrate access tunnel. One of the variants (i.e., EcGCLR484MN283QL478M) showed a high ...
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#1Christoph Kornpointner (TU Wien: Vienna University of Technology)H-Index: 4
#2Aitor Sainz Martinez (TU Wien: Vienna University of Technology)H-Index: 3
Last. Katharina Bica-Schröder (TU Wien: Vienna University of Technology)H-Index: 5
view all 5 authors...
The potential of supercritical CO2 and ionic liquids (ILs) as alternatives to traditional extraction of natural compounds from plant material is of increasing importance. Both techniques offer several advantages over conventional extraction methods. These two alternatives have been separately employed on numerous ocassions, however, until now, they have never been combined for the extraction of secondary metabolites from natural sources, despite properties that complement each other perfectly. H...
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#1Neng Hu (ZSTU: Zhejiang Sci-Tech University)H-Index: 4
#2Weijia Wang (NPU: Northwestern Polytechnical University)H-Index: 25
Last. Qi Zhong (TUM: Technische Universität München)H-Index: 16
view all 9 authors...
A novel hydrogen evolution system based on hybrid nanogel films was successfully prepared with capabilities of spontaneous moisture collection and high light harvesting. Hybrid nanogels were synthesized by homogeneously dispersing graphitic carbon nitride with Pt atom (g-C3N4/Pt) loaded nanosheets into poly(di(ethyleneglycol) methylether methacrylate-co-poly(ethylene glycol) methylethermethacrylate) nanogels. Compared to pure g-C3N4/Pt nanosheets, aggregation and precipitation are prevented in t...
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#1Gang Chen (CAS: Chinese Academy of Sciences)H-Index: 183
#2Xiuyan Cheng (CAS: Chinese Academy of Sciences)H-Index: 10
Last. Xueqing Xing (CAS: Chinese Academy of Sciences)H-Index: 14
view all 12 authors...
Herein we propose the utilization of nanosized water domains for photocatalytic CO2 conversion, by which CO2 can be efficiently reduced to CO with a CO evolution rate of 682 μmol g−1 h−1 and selectivity >99%. It provides a facile, efficient and adjustable route for photocatalytic CO2 conversion with water.
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Last. Miquel A. Pericàs (University of Barcelona)H-Index: 67
view all 6 authors...
A polystyrene-supported version of the Denton catalyst for redox-neutral Mitsunobu reactions, (2-hydroxybenzyl)diphenylphosphine oxide, has been developed and used in catalytic inversion of enantiopure secondary alcohols (21 examples, up to 97% yield and 98% ee) with 2-nitrobenzoic and 2,4-dinitrobenzoic acids. The use in the reaction of alternative pronucleophiles has also been explored (8 successful and 3 unsuccessful examples). The functional resin shows high recyclability (10 cycles, 30 days...
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#1Zhen Bao (NTU: National Taiwan University)H-Index: 13
#2Yu-Chun Chang (NTU: National Taiwan University)H-Index: 2
Last. Ru-Shi Liu (NTUT: National Taipei University of Technology)H-Index: 98
view all 6 authors...
CsPbX3 (X = Cl, Br, and I), as a potential luminescent material with excellent optical characteristics, has attracted researchers for several years but it is difficult to use it commercially due to its low stability. Herein, a simple green process was successfully optimized without using any solvents for synthesizing an ultra-stable CsPbBr3@SiO2 composite. The phase transformation process in obtaining the CsPbBr3@SiO2 composite was resolved according to in situ X-ray diffraction measurements. Ba...
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#2Diana DragoeH-Index: 17
Last. Ally AukaulooH-Index: 29
view all 8 authors...
Intense efforts are currently being devoted to discovering cost-effective catalysts for the selective reduction of carbon dioxide (CO2). Many advances have indeed been achieved in the design of molecular complexes containing second coordination chemical functionalities that have contributed to boosting the homogeneous electrocatalytic activity. The introduction of such chemical facets in heterogeneous catalysis is still lacking. Here, we report the electrocatalytic properties of a chemically mod...
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#1Zhexi Chi (CSU: Central South University)H-Index: 1
#2Jian Li (CSU: Central South University)H-Index: 19
Last. Yongzhi Chen (Hunan Institute of Science and Technology)
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With the increasing quantity of spent lithium-ion batteries, their recycling problem has become an urgent issue for the economics of such batteries and for the protection of environment. In this study, we proposed a novel green method for the recycling of spent single-crystal LiNixCoyMn1−x−yO2 (NCM) materials. No additional compounds were induced during the direct calcination process to acquire regenerated cathode materials. The surface lithium compounds residues could be fully reutilized combin...
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#1Sandhya Saini (IIP: Indian Institute of Petroleum)H-Index: 4
#2Pragnya Paramita Samal (National Chemical Laboratory)H-Index: 1
Last. Suman L. Jain (IIP: Indian Institute of Petroleum)H-Index: 49
view all 5 authors...
Acetic acid is an important commodity chemical that is produced either by fermentation processes, or more commonly, through chemical routes such as methanol carbonylation with CO and H2, acetaldehyde oxidation, or hydrocarbon oxidation. More recently, methanol hydrocarboxylation with CO2 and H2 under thermal catalytic conditions has attracted interest. The synthesis of acetic acid from easily available CO2 is of great significance yet rarely reported. The present paper describes the first photoc...
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#1Takumi Abe (TITech: Tokyo Institute of Technology)
#2Rikito Takashima (TITech: Tokyo Institute of Technology)H-Index: 3
Last. Hideyuki Otsuka (TITech: Tokyo Institute of Technology)H-Index: 59
view all 7 authors...
Commodity polymer materials are now required to be environmentally friendly due to problems associated with resource depletion and low recycling rates, which has promoted the development of circular material systems. Herein, a novel concept is introduced, where a polymer is used as a source of a fertilizer. To demonstrate the viability of this concept, the chemical recycling of poly(isosorbide carbonate) (PIC) is presented as a model for the next generation of plastic-recycling systems. PIC, a b...
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