Acs catalysis

Here, we proposed a computation-driven strategy to optimize structures of enzymes via simulation-based iterative saturation mutagenesis (ISM), aiming to stabilize the spatial effects of the TS with a TSA as a placeholder. This approach was applied to redesign structures of chitinase in order to increase its catalytic activity. After three ...When it comes to cooling your home, there are several options available in the market. Two of the most popular types of air conditioners are portable ACs and window ACs. In this ar...When it comes to cooling your home, there are several options available in the market. Two of the most popular types of air conditioners are portable ACs and window ACs. In this ar...Dr. Buonsanti is an expert in catalysis and materials chemistry focusing on the design and use of nanomaterials to drive chemical, electrochemical, and …Feb 2, 2021 · Her research at Queens University is diverse, spanning materials chemistry, main group catalysis, and transition metal-based catalysis. Crudden has served as an associate editor for ACS Catalysis ... Published by American Chemical Society. Enzymatic degradation of polyethylene terephthlate (PET) by polyester hydrolases is currently subject to intensive research, as it is considered as a potential eco-friendly recycling method for plastic waste. However, the substrate-binding mode and the molecular mechanism of enzymatic PET hydrolysis are ...While Fe–N–C materials exhibit great potential for catalyzing the oxygen reduction reaction (ORR), their activity origin, especially the significant activity difference in acidic and alkaline media, remains a long-standing conundrum hindering the development of such catalysts. Here, we show an unanticipated pH-dependent regulation mechanism ...Catalysis – selective catalytic reagents are superior to stoichiometric ones; they can minimize or eliminate waste, depending on the reaction, which is necessary to achieve greener chemistry Maximize Resource Efficiency – catalysis can offer more direct synthetic routes, optimizing the time, energy and materials required to make a desired ...Dual-metal-site catalysts (DMSCs) have emerged as a frontier in heterogeneous catalysis, while the underlying relationships connecting their dual-site synergistic effects on catalytic performance remain unclear. Here we present a comprehensive first-principles study of O2 activation and CO oxidation on a series of N …For those looking to become a bus driver, passing the class exams is an important part of the process. Bus driver class exams cover a variety of topics, from driving laws and regul...15 Jun 2021 ... Raffaella becomes an Associate Editor in ACS Catalysis! ... Raffaella joins the editorial team of ACS Catalysis. Raffaella will handle manuscripts ...It remains challenging to achieve nanoparticles with uniform size and dispersion or single atoms with identical coordination structure, although various methods have been developed to synthesize carbon-supported nanostructured catalysts. Typically, in the synthesis of vinyl chloride (VCM) by acetylene hydrochlorination, a limited …Mar 15, 2022 · Ammonia is an important chemical for synthesized fertilizers traditionally and for a potential energy vector increasingly. Industrial ammonia synthesis through the Haber–Bosch process is energy-intensive and requires advanced materials to catalyze ammonia synthesis under mild conditions, whereas the utilization of ammonia as a hydrogen carrier via ammonia decomposition is facing a similar ... ACS Catalysis (2020), 10 (10), 5734-5749 CODEN: ACCACS; ISSN: 2155-5435. (American Chemical Society) A review. There is a considerable interest in the development of photocatalytic CO2 conversion by sunlight, since this process has similarities with natural photosynthesis on which life on Earth is based.Enzymatic catalysis is a complex process that can involve multiple conformations of the enzyme:substrate complex and several competitive reaction pathways, resulting in a multi-dimensional free energy landscape. The study of enzymatic activity often requires deep knowledge of the system to establish the catalytic mechanism and identify …Associate Editor Jingguang Chen elected to NAE. Congratulations to ACS Catalysis Associate Editor, Professor Jingguang Chen (Columbia University), for his 2024 election to the National Academy of Engineering for discovering new catalysts and synchrotron techniques to connect catalytic and electrocatalytic mechanisms under reaction conditions. Hydrogen bond-based organocatalysts rely on networks of attractive noncovalent interactions (NCIs) to impart enantioselectivity. As a specific example, aryl pyrrolidine substituted urea, thiourea, and …ConspectusThe hydrogenative conversion of both CO and CO2 into high-value multicarbon (C2+) compounds, such as olefins, aromatic hydrocarbons, ethanol, …Developing efficient noble-metal-free catalysts for the electrochemical N2 reduction reaction (NRR) under ambient conditions shows promise in fertilizer production and hydrogen storage. Here, as a proof-of-concept prototype, we design and implement an Fe–N/C–carbon nanotube (CNT) catalyst derived from a metal–organic framework and …ACS Catalysis 2024, Article ASAP. Di Chao, Tong-Xin Liu, Pengling Zhang, Shilu Xia, Panting Yang, Mengjiao Huang, Qingfeng Liu, Guisheng Zhang. Interrupted N-Heterocyclic Carbene-Catalyzed Radical Coupling Strategy: A Versatile Platform for Alkylation and Arylation of [60]Fullerene.Are you a frequent shopper at Ace Hardware? If so, then you definitely want to take advantage of the My Ace Rewards program. This loyalty program is designed to reward customers li...We report here selective reduction of CO to acetate using Cu–Pd bimetallic electrocatalysts. High activity and selectivity are demonstrated for CO-to-acetate conversion with >200 mA/cm 2 in geometric current density and >65% in Faradaic efficiency (FE). An asymmetrical C–C coupling mechanism is proposed to explain the composition …Nominate a high-impact researcher for the 2024 ACS Catalysis Lectureship for the Advancement of Catalytic Science!Aug 1, 2022 · Electrochemical reduction of CO2 to produce fuels and chemicals is one of the most valuable approaches to achieve a carbon-neutral cycle. Recently, a diversity of catalysts have been developed to improve their intrinsic activity and efficiency. However, the dynamic evolution process and the in situ construction behavior of electrocatalysts under the working conditions are typically ignored ... The AC Hotel Alicante, just outside the city center, checks all the boxes for modern decor, comfort, and service at an affordable price. We may be compensated when you click on pro...Whether you’re good at taking tests or not, they’re a part of the academic life at almost every level, from elementary school through graduate school. Fortunately, there are some t...A nickel-catalyzed cross-coupling to construct the C(sp2)–C(sp3) bond was developed from two sustainable biomass-based feedstocks: phenol derivatives with umpolung aldehydes. This strategy features the in situ generation of moisture/air-stable hydrazones from naturally abundant aldehydes, which act as alkyl nucleophiles under …Understanding how multicopper oxidases (MCOs) reduce oxygen in the trinuclear copper cluster (TNC) is of great importance for development of catalysts for the oxygen reduction reaction (ORR). Herein, we report a mechanistic investigation into the ORR activity of the dinuclear copper complex [Cu2L(μ-OH)]3+ (L = 2,7-bis[bis(2-pyridylmethyl)aminomethyl] …For Librarians & Account Managers. ACS & Open Access. Matthew J. McKay. [email protected] Having access to mild and operationally simple techniques for attaining carbohydrate targets will be necessary to facilitate advancement in biological, medicinal, and pharmacological research. Even with the abundance of elegant reports for generating ...ACS Catalysis is a monthly peer-reviewed scientific journal established in 2011 by the American Chemical Society. The journal covers research on all aspects of heterogeneous, homogeneous, and biocatalysis. The editor-in-chief is Cathleen Crudden, who assumed the position in early 2021. In this Review, we present the recent progress in ARA featuring diverse carbonyl and amine partners employing transition metal-catalysts. This Review provides an organized and critical discussion on catalyst engineering and evolution, expanding susbstrate scope and mechanistic insights.Journal Scope. ACS Catalysis is dedicated to publishing original research on heterogeneous catalysis, molecular catalysis, and biocatalysis.Wide-ranging coverage includes life sciences, organometallics and synthesis, photochemistry and electrochemistry, drug discovery and synthesis, materials science, environmental protection, polymer discovery and synthesis, and energy and fuels. Professor Kazunari Domen has devoted his research career in catalysis to development of water splitting photocatalysts, mechanocatalytic water splitting, transition metal oxide mesoporous materials, transmission infrared spectroscopy, infrared reflection absorption spectroscopy (IRAS), time-resolved infrared laser spectroscopy, surface …30 Jul 2020 ... ACS Catalysis cover image - April 2020. PNNL research, featured on the cover of ACS Catalysis, showed that certain crystal surfaces yield ...The direct introduction of sp3 carbon fragments at the β position of α,β-unsaturated aldehydes is greatly complicated by competing 1,2-addition manifolds. Previous catalytic enantioselective conjugate addition methods, based on the use of organometallic reagents or ground-state iminium ion activation, could not provide general and efficient solutions. …21 Sept 2021 ... ACS Science Talks features a series of lectures by many researchers in different diverse fields of chemistry from around the world.Low-temperature dry reforming of methane (DRM) can avoid the sintering of nickel and reduce the cost of the process. However, inefficient activation of CO2 and oxidization of Ni0 hamper the catalytic performance of Ni-based catalysts at low temperatures. Herein, a Ni/ZrO2 catalyst was prepared and used in the DRM reaction, …Chiral oxazolidinones are a class of important heterocyclic compounds in pharmaceutical chemistry due to their biological activity. Halohydrin dehalogenase-catalyzed epoxide ring-opening reaction with cyanate offers an attractive approach to the synthesis of chiral oxazolidinones, but the α/β-regioselectivity and stereoselectivity are …DC current is direct current, which means electricity only flows in one direction; AC current is alternating current, which means it flows in both directions. Batteries run on DC c...Bioinspired manganese complexes have emerged over recent decades as attractive catalysts for a number of selective oxidation reactions. However, these catalysts still suffer from oxidative degradation. In the present study, we prepared a series of porous Mn–N4 catalysts in which the catalytic units are embedded in the skeleton of porous …Feb 2, 2021 · Her research at Queens University is diverse, spanning materials chemistry, main group catalysis, and transition metal-based catalysis. Crudden has served as an associate editor for ACS Catalysis ... ACS Catalysis 2022, 12, 18, 11002-11014 (Research Article) ACS Editors' Choice® is a collection designed to feature scientific articles of broad public interest. Read the latest articlesCathleen Crudden’s research group focuses on catalysis, chirality and materials chemistry. In particular, they are interested in developing new reactions to prepare compounds of interest to the pharmaceutical industry, specifically reactions that are enantioselective or enantiospecific. CO hydrogenation to isobutyl alcohol is a promising route for CO transformation to high value-added products. However, the formation mechanism of isobutyl alcohol is complex, and its synthesis requires complex catalysts and harsh reaction conditions, which hinders the identification of active sites. Herein, we efficiently …For those looking to become a bus driver, passing the class exams is an important part of the process. Bus driver class exams cover a variety of topics, from driving laws and regul...Nature has provided a fantastic array of enzymes that are responsible for essential biochemical functions but not usually suitable for technological applications. Not content with the natural repertoire, protein engineering holds promise to extend the applications of improved enzymes with tailored properties. However, engineering of robust proteins …Developing a cost-effective and highly efficient electrocatalyst with superior catalytic activity is crucial for clean and green water splitting, including the hydrogen evolution reaction (HER), the oxygen evolution reaction (OER), and the oxygen reduction reaction (ORR). The single-atom catalyst (SAC) is a breakthrough in industrial catalysis …ACS Catalysis 2024, Article ASAP. Qun Li, Wenyu Zhou, Chunyan Deng, Chenyang Lu, Peng Huang, Dong Xia, Luxi Tan, Cailong Zhou, Yong-Wei Zhang, Lichun Dong. Hydroxyl-Decorated Pt as a Robust Water …ACE inhibitors are medicines that are used in the treatment of high blood pressure and heart failure. A common side-effect is a persistent dry cough. Try our Symptom Checker Got an...ACS Catalysis 2024, Article ASAP. Di Chao, Tong-Xin Liu, Pengling Zhang, Shilu Xia, Panting Yang, Mengjiao Huang, Qingfeng Liu, Guisheng Zhang. Interrupted N-Heterocyclic Carbene-Catalyzed Radical Coupling Strategy: A Versatile Platform for Alkylation and Arylation of [60]Fullerene.Jun 1, 2023 · Enzymatic catalysis is a complex process that can involve multiple conformations of the enzyme:substrate complex and several competitive reaction pathways, resulting in a multi-dimensional free energy landscape. The study of enzymatic activity often requires deep knowledge of the system to establish the catalytic mechanism and identify the possible reactive conformations of the complex. Here ... Choosing the right air conditioning unit is extremely important, especially if you live in an area that gets really hot during the summer months or if it’s hot all year round. The ...I am pleased to introduce the inaugural issue of ACS Catalysis, the new interdisciplinary catalysis journal published by ACS. With this first issue, ACS Catalysis now provides a home for research focused on catalysis within the ACS family of publications. Catalysis is one of the oldest subdisciplines of chemistry, with over a century of ... Apr 6, 2022 · Artificial enzymes, usually created by incorporating one or two abiological catalytic species into protein hosts, are becoming promising tools for biocatalysis. However, they are still far behind natural enzymes due to their limited active sites with low activity and selectivity. Here, we proposed a polymeric approach to generate artificial enzymes by combining proteins with organocatalytic ... Nature has provided a fantastic array of enzymes that are responsible for essential biochemical functions but not usually suitable for technological applications. Not content with the natural repertoire, protein engineering holds promise to extend the applications of improved enzymes with tailored properties. However, engineering of robust proteins …Launched in 2010, we've hosted programming at hundreds of institutions around the world, bringing the world’s leaders in chemistry, publishing, research, science communication …Bioinspired manganese complexes have emerged over recent decades as attractive catalysts for a number of selective oxidation reactions. However, these catalysts still suffer from oxidative degradation. In the present study, we prepared a series of porous Mn–N4 catalysts in which the catalytic units are embedded in the skeleton of porous …Metal hydrides (MHs) are featured for their reversible hydrogen absorption and desorption properties, which are conventionally used as hydrogen storage materials. …Understanding how multicopper oxidases (MCOs) reduce oxygen in the trinuclear copper cluster (TNC) is of great importance for development of catalysts for the oxygen reduction reaction (ORR). Herein, we report a mechanistic investigation into the ORR activity of the dinuclear copper complex [Cu2L(μ-OH)]3+ (L = 2,7-bis[bis(2-pyridylmethyl)aminomethyl] …Sep 4, 2020 · This graphic illustrates the importance of photocatalysis to tackle clean energy and environmental problems for establishing a balance that sustains life on earth. Perovskite oxide-based photocatalysts have shown promising potential and their horizon is not far off. View the article. 3′-Phosphoadenosine-5′-phosphosulfate (PAPS) is a universal sulfate group donor for all biological sulfation reactions in living organisms. Ambitions to biomanufacture sulfate-containing compounds such as heparin and chondroitin sulfate also promote the study on PAPS in vitro synthesis. However, the established enzymatic synthesis of …Jul 10, 2022 · Herein, we report a photoexcited base-metal-catalyzed selective desaturation of aliphatic amides and imides. The reaction is catalyzed by a base-metal cobalt complex under visible-light irradiation. This transformation can be efficiently processed at room temperature and enables the synthesis of valuable cyclic and acyclic enamides and enimides from abundant chemicals. Density functional ... Mar 15, 2022 · Ammonia is an important chemical for synthesized fertilizers traditionally and for a potential energy vector increasingly. Industrial ammonia synthesis through the Haber–Bosch process is energy-intensive and requires advanced materials to catalyze ammonia synthesis under mild conditions, whereas the utilization of ammonia as a hydrogen carrier via ammonia decomposition is facing a similar ... Aug 1, 2022 · Electrochemical reduction of CO2 to produce fuels and chemicals is one of the most valuable approaches to achieve a carbon-neutral cycle. Recently, a diversity of catalysts have been developed to improve their intrinsic activity and efficiency. However, the dynamic evolution process and the in situ construction behavior of electrocatalysts under the working conditions are typically ignored ... Hydrogen is important because it is involved in the process of enzyme catalysis and because it stabilizes things like nucleic acids and proteins. Hydrogen bonds with many different...Production of formate or CO from electrochemical CO2 reduction reactions (eCO2RRs) represents a promising way to utilize CO2 with future low-carbon electricity to produce value-added chemicals and fuels. Herein, a series of Cu–Sn composite catalysts were designed for eCO2RRs. The reduction products could be tuned selectively from …Dec 2, 2022 · Artwork by chemistry graduate student, Alison Sy-min Chang, featured in ACS' DEIR Cover Art series. A group of STEM individuals with varying identities are working in tandem with one another to harvest the energy from the sun to develop a collective catalytic system that addresses the initial disassembly of the systemic blockades in STEM. In her editorial, she reflects on the influence that ... In this work, Fe–Zn catalysts were prepared, characterized, and examined for the synthesis of linear high carbon α-olefins (LAOs; C ≥ 4) directly from CO2 hydrogenation. The relationship of performance and structure has been established to unravel the role of ZnO in bimetallic Fe5C2–ZnO catalysts. A Fe2Zn1 catalyst showed high selectivity to …Here, we proposed a computation-driven strategy to optimize structures of enzymes via simulation-based iterative saturation mutagenesis (ISM), aiming to stabilize the spatial effects of the TS with a TSA as a placeholder. This approach was applied to redesign structures of chitinase in order to increase its catalytic activity. After three ...Aug 15, 2022 · ACS Catalysis 2024, Article ASAP. Xuhui Zou, Yuxiao Meng, Jianqiao Liu, Yongyong Cao, Lifeng Cui, Zhangfeng Shen, Qineng Xia, Xi Li, Siqian Zhang, Zhigang Ge, Yunxiang Pan, Yangang Wang . Niobium Modification of CeO2 Tuning Electron Density of Nickel–Ceria Interfacial Sites for Enhanced CO2 Methanation. Herein we report the iron-catalyzed β-C(sp3)-methylation of primary alcohols using methanol as a C1 building block. This borrowing hydrogen approach employs a well-defined bench-stable (cyclopentadienone)iron(0) carbonyl complex as precatalyst (5 mol %) and enables a diverse selection of substituted 2-arylethanols to undergo β-C(sp3) …Low-temperature dry reforming of methane (DRM) can avoid the sintering of nickel and reduce the cost of the process. However, inefficient activation of CO2 and oxidization of Ni0 hamper the catalytic performance of Ni-based catalysts at low temperatures. Herein, a Ni/ZrO2 catalyst was prepared and used in the DRM reaction, …Jan 29, 2021 · Synergistic effects have been discussed extensively in bimetallic heterogeneous catalysis, but it remains unclear how the effects function at the atomic scale. Here, we report a dual single-atom catalyst (DSAC) Ir1Mo1/TiO2 displaying much greater catalytic chemoselectivity (>96%, at 100% conversion) than comparable single-atom catalysts (SACs) Ir1/TiO2 (38%, at 87% conversion) and Mo1/TiO2 (no ... Copper-Catalyzed Synthesis of Masked (Hetero)Aryl Sulfinates. Stereoselective Synthesis of Either. 1155 Sixteenth Street N.W. About ACS Publications. ACS & Open Access. ACS Publications Blog. Journals A-Z. ACS Publishing Center. 2024-02-15T07:54:50.884-08:00.Glycosyltransferases (GTs) catalyze the formation of glycosidic bonds in carbohydrates and glycoconjugates, with various outcomes depending not only on the acceptor molecules they bind but also on the type of glycosidic bond they form (C–O, C–N, C–S, or C–C). Here we show that the glucosyltransferase UGT1 from the indigo plant …The direct introduction of sp3 carbon fragments at the β position of α,β-unsaturated aldehydes is greatly complicated by competing 1,2-addition manifolds. Previous catalytic enantioselective conjugate addition methods, based on the use of organometallic reagents or ground-state iminium ion activation, could not provide general and efficient solutions. …Selective oxidation of H2S to sulfur is an efficient process for industrial applications and environmental requirement to reduce the residual H2S in the Claus technology to an ultralow content (<0.1 ppm) before releasing the off-gas into the atmosphere. Recently, numerous research studies have been devoted to the development of highly active, selective and …Dec 12, 2016 · The combination of sequential biocatalytic reactions, via non-natural synthetic cascades, is a rapidly developing field and leads to the generation of complex valuable chemicals from simple precursors. As the toolbox of available biocatalysts continues to expand, so do the options for biocatalytic retrosynthesis of a target molecule, leading to alternative routes employing enzymatic ... Selective oxidation of H2S to sulfur is an efficient process for industrial applications and environmental requirement to reduce the residual H2S in the Claus technology to an ultralow content (<0.1 ppm) before releasing the off-gas into the atmosphere. Recently, numerous research studies have been devoted to the development of highly active, selective and …This material is available free of charge on the ACS Publication Web site at The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acscatal.7b04150.. Descriptions of intermediate formation in the two pathways, details of microkinetic modeling calculations, reactants, intermediates, and products …The metal oxide-zeolite (OX-ZEO) bifunctional catalyst concept has aroused wide interest recently for direct syngas conversion. However, the mechanism of product selectivity control is far from being understood. Herein, we studied the role of acidity on the product selectivity by taking SAPO-18 as an example and physically mixing it with …For Librarians & Account Managers. ACS & Open Access. Matthew J. McKay. [email protected] Having access to mild and operationally simple techniques for attaining carbohydrate targets will be necessary to facilitate advancement in biological, medicinal, and pharmacological research. Even with the abundance of elegant reports for generating ...It remains challenging to achieve nanoparticles with uniform size and dispersion or single atoms with identical coordination structure, although various methods have been developed to synthesize carbon-supported nanostructured catalysts. Typically, in the synthesis of vinyl chloride (VCM) by acetylene hydrochlorination, a limited …Sep 4, 2020 · This graphic illustrates the importance of photocatalysis to tackle clean energy and environmental problems for establishing a balance that sustains life on earth. Perovskite oxide-based photocatalysts have shown promising potential and their horizon is not far off. View the article. Catalysis – selective catalytic reagents are superior to stoichiometric ones; they can minimize or eliminate waste, depending on the reaction, which is necessary to achieve greener chemistry Maximize Resource Efficiency – catalysis can offer more direct synthetic routes, optimizing the time, energy and materials required to make a desired ...Cu-oxide catalysts have a tendency to deactivate dramatically in reverse water gas shift (RWGS) reaction, because of the aggregation of supported copper particles at high temperatures. Herein, β-Mo2C, which is a typical type of transition-metal carbide, has been demonstrated to be capable of dispersing and stabilizing copper particles. Cu/β-Mo2C …Catalysis – selective catalytic reagents are superior to stoichiometric ones; they can minimize or eliminate waste, depending on the reaction, which is necessary to achieve greener chemistry Maximize Resource Efficiency – catalysis can offer more direct synthetic routes, optimizing the time, energy and materials required to make a desired ...Selective oxidation of H2S to sulfur is an efficient process for industrial applications and environmental requirement to reduce the residual H2S in the Claus technology to an ultralow content (<0.1 ppm) before releasing the off-gas into the atmosphere. Recently, numerous research studies have been devoted to the development of highly active, selective and …An efficient method for the construction of 12-membered heterocycles with a trifluoromethyl group (3) was achieved via a nondecarboxylative Pd-catalyzed [6 + 6] annulation of six-membered trifluoromethyl benzo[d][1,3]oxazinones (1) with four-membered vinyl oxetanes (2). A variety of relatively large heterocycles 3 featuring a stereogenic …Apr 6, 2022 · Artificial enzymes, usually created by incorporating one or two abiological catalytic species into protein hosts, are becoming promising tools for biocatalysis. However, they are still far behind natural enzymes due to their limited active sites with low activity and selectivity. Here, we proposed a polymeric approach to generate artificial enzymes by combining proteins with organocatalytic ... When it comes to installing a new AC unit, many homeowners focus solely on the upfront cost of the equipment itself. However, there are several hidden costs associated with a new A...Learn how catalysis relates to green chemistry and how to use it to reduce waste and energy consumption. Explore the focus principles, examples and resources of greener …Going beyond conventional configurations, a revolutionizing design is presented for double-atom catalysts with metal dimers vertically anchored in defective graphene forming an inverse sandwich structure. Density functional theory and machine learning are applied to unlock their potential for electrocatalyzing CO2 reduction, aiming to mitigate atmospheric CO2 levels and produce value-added ... The latest published issue of ACS Catalysis. See all articles . Interfacial Spontaneous Reduction Strategy to Synthesize Low-Valent Pt Single-Atom Catalyst for Boosting …Most people use the term AC condenser to refer to the part of the air conditioning system that sits outside the home, even though this part of the system has more components that j...Bimetallic Au–Pd alloy nanoparticles (NPs) dispersed on nanohybrid three-dimensionally ordered macroporous (3DOM) La0.6Sr0.4MnO3 (LSMO) perovskite catalysts were fabricated via the l-lysine-mediated colloidal crystal-templating and reduction routes. The obtained AuPd/3DOM LSMO samples possess a nanovoid-like 3DOM construction with …ACS Catalysis publishes original research on heterogeneous and homogeneous catalysis, and bio-catalysis. The journal covers various applications such as life sciences, drug …The enantioselective reduction of enamides is an efficient and atom-economical way to construct chiral amine motifs. In contrast to transition-metal complex based asymmetric hydrogenation, an alternative biocatalytic way is more sustainable but remains unexploited. The challenge lies in the redox potential mismatch between the …The conventional electrochemical analysis of catalyst activity and selectivity generally relies on steady-state measurements. In a departure from this convention, we show in this study that time-resolved measurements (i.e., chronoamperometry) provide a powerful diagnostic tool to gain valuable insights into the complex interplay of ...We report the selective hydroxylation of small alkanes with H2O2 catalyzed by an artificial P450 peroxygenase system generated from engineered cytochrome P450BM3 variants in assistance with dual-functional small molecule (DFSM), in which DFSM acts as a general acid–base co-catalyst for activating H2O2. This peroxygenase …Dry reforming of methane (DRM) can convert greenhouse gases (CO2 and CH4) into value-added syngas (CO and H2), which is one of the promising approaches to achieve carbon neutrality. Designing coking resistant catalysts is still a challenge for an efficient DRM reaction. Here, we developed an efficient binary Mo–Ni catalyst through elucidating the promotional role of Mo in boosting the coking ... Hydrogen is important because it is involved in the process of enzyme catalysis and because it stabilizes things like nucleic acids and proteins. Hydrogen bonds with many different...3′-Phosphoadenosine-5′-phosphosulfate (PAPS) is a universal sulfate group donor for all biological sulfation reactions in living organisms. Ambitions to biomanufacture sulfate-containing compounds such as heparin and chondroitin sulfate also promote the study on PAPS in vitro synthesis. However, the established enzymatic synthesis of …Professor Mary P. Watson from the University of Delaware is the 2023 ACS Catalysis Lectureship winner for her innovative and impactful contributions to …Further oxidation of the complex forms {Ru V (O) (t5a-κ-N 2 O) (py) 2 } ( 2V (O) (κ-N 2 O)), which is a very efficient water oxidation catalyst, reaching a TOF MAX value of 9400 s –1 at pH 7.0, as measured via foot of the wave analysis. The key to fast kinetics for the catalytic oxidation of water to dioxygen by 2V (O) (κ-N 2 O) is due not ...Herein, we describe the design and development a new nickel pincer complex that catalyzes the direct coupling of primary alkyl halides with terminal alkynes at ...Are you getting ready to take your DMV written test? If so, you’re probably feeling a little overwhelmed. After all, the written test is an important part of getting your driver’s ...Herein, we describe the design and development a new nickel pincer complex that catalyzes the direct coupling of primary alkyl halides with terminal alkynes at ...Anionic ligands containing a nonbonded lone pair (i.e., amido, thiolate) are well-known to cooperate with a metal center in bifunctional catalytic reactions. An NHC CoII(κ3-SNS) imine–dithiolate complex (Co-3) effects the selective hydroboration of aldehydes (vs ketones) in 4–30 min at a 1 mol % loading in benzene (NHC = 2,5 …Formation and evolution of active hydrogen species from H2 on a metal oxide is of great importance in many hydrogenation reactions, while understanding the nature of surface hydrogen species remains a great challenge. Herein, high-vacuum-based transmission infrared spectroscopy coupled with temperature-programmed desorption …Going beyond conventional configurations, a revolutionizing design is presented for double-atom catalysts with metal dimers vertically anchored in defective graphene forming an inverse sandwich structure. Density functional theory and machine learning are applied to unlock their potential for electrocatalyzing CO2 reduction, aiming to mitigate atmospheric CO2 levels and produce value-added ... | Clotkpvdf (article) | Mviitv.