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Effects of ancillary ligands in acceptorless benzyl alcohol dehydrogenation mediated by phosphine-free cobalt complexes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 314-325 doi: 10.1007/s11705-022-2219-2

Abstract: , we synthesized a phosphine-free η5-C5Me5-Co complex by using the metal–ligandsub>5Me5-Co complexes could be attributed to the more accessible Co center and its cooperationwith the redox-active ligand.The results showed that the redox-active ligand has a significant influence on the η5-Cmetal–ligand cooperative nonprecious metal complexes.

Keywords： acceptorless alcohol dehydrogenation     η5-C5Me5-Co     metal–ligand cooperation    

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Surface modification by ligand growth strategy for dense copper bismuth film as photocathode to enhance

Frontiers in Energy doi: 10.1007/s11708-023-0893-5

Abstract: Herein, a straightforward sol-gel method with the ligand-induced growth strategy was employed to obtainthe nucleation and surface growth of CuBi2O4 layer induced by 2-methoxyethanol ligandThis surface modification by ligand growth strategy will shed light on the future design of advanced

Keywords： copper bismuthate     photocathode     ligand growth strategy     dense film     PEC    

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The cooperation effect of Ni and Pt in the hydrogenation of acetic acid

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 397-407 doi: 10.1007/s11705-021-2076-4

Abstract: The cooperation of Pt and Ni significantly promotes the catalytic activity of the hydrogenation of acetic

Keywords： acetic acid     ethanol     hydrogenation     Pt     Ni     cooperation effect    

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Highly selective detection of copper(II) by a “ligand-free” conjugated copolymer in nucleophilic solvents

Weixing Deng, Pengfei Sun, Quli Fan, Lei Zhang, Tsuyoshi Minami

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 105-111 doi: 10.1007/s11705-019-1791-6

Abstract: -cyclohexyl carbamate-attached fluorene- -phenylene copolymer (PFPNCC) and the use of PFPNCC as a “ligand-freestrategy for highly selective conjugated polymer-based chemosensors for various target analytes, albeit “ligand-free

Keywords： ligand-free     fluorescent chemosensor     copper     photo-induced electron transfer    

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Synthesis of vinylferrocene and the ligand-exchange reaction between its copolymer and carbon nanotubes

Ran SHI,Hai WANG,Ping TANG,Yuezhen BIN

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 171-178 doi: 10.1007/s11705-014-1428-8

Abstract: nanotubes (CNTs), poly(vinylferrocene- -styrene) (poly(Vf- -St)), was grafted onto the surface of CNTs by a ligand-exchange

Keywords： vinylferrocene     poly (Vf-co-St)     CNTs     dispersibility    

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Effect of ligand chain length on hydrophobic charge induction chromatography revealed by molecular dynamics

Lin ZHANG, Yan SUN

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 456-463 doi: 10.1007/s11705-013-1357-y

Abstract: The effect of the ligand chain length on protein behavior in HCIC was studied.The ligand chain length has a significant effect on both the probability and the irreversibility of theThe simulation results elucidated the effect of the ligand chain length, which is beneficial for the

Keywords： adsorption     desorption     irreversibility     protein conformational transition     molecular dynamics simulation    

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The Research of Business Process Management-based on The Changqing Oil Field Cooperation Project

Ning Hui,Xiao-wei Zhou,Qing-qing Chang

Frontiers of Engineering Management 2015, Volume 2, Issue 2,   Pages 182-187 doi: 10.15302/J-FEM-2015027

Abstract: Oilfield Cooperation Management Project in an attempt to improve future cooperative efforts.

Keywords： cooperation project     process optimization     management     improvement    

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New Challenges, New Opportunities and New Measures for Oil and Gas Cooperation in the Belt and Road

Yu-pu Wang,He Liu

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 301-313 doi: 10.15302/J-FEM-2016055

Abstract: First-mover advantage and solid foundation of oil and gas cooperation is very important to the Belt andDeeply studied opportunities and challenges of oil and gas cooperation have far-reaching significanceto the cooperation in other industries in the Belt and Road.the oil and gas supply security, investment environment, regional win-win situation in oil and gas cooperationMeanwhile, this article also gives suggestions and cooperation directions for countries and companies

Keywords： the Belt and Road     oil & gas cooperation     new challenges     new opportunities     new measures    

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BGB-A445, a novel non-ligand-blocking agonistic anti-OX40 antibody, exhibits superior immune activation

Frontiers of Medicine doi: 10.1007/s11684-023-0996-8

Abstract: The ligation of OX40 to its sole ligand OX40L potentiates T cell expansion, differentiation, and activationHere, we discovered that BGB-A445, a non-ligand-competitive agonistic anti-OX40 antibody currently underOX40 knock-in mice, BGB-A445 demonstrated robust and dose-dependent antitumor efficacy, whereas the ligand-competitive

Keywords： BGB-A445     OX40     agonistic antibody     OX40L noncompetitive    

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Fabrication of recyclable Fe chelated aminated polypropylene fiber for efficient clean-up of phosphate wastewater

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 840-852 doi: 10.1007/s11705-022-2253-0

Abstract: Herein, a Fe3+-loaded aminated polypropylene fiber has been reported as an efficient phosphate adsorbent. The remarkable phosphate removal ability of the fiber is due to Fe3+ immobilization, and it demonstrates a maximum adsorption capacity of 33.94 mg·P·g–1. Adsorption experiments showed that the fiber is applicable over a wide pH range from 2 to 9. Furthermore, the adsorption kinetics and isotherm data were consistent with the pseudo-second-order and Langmuir adsorption models, respectively. The adsorption equilibrium of the fiber for phosphate was reached within 60 min, indicating an efficient monolayer chemisorption process. Moreover, the adsorbent maintained prominent phosphate removal in the presence of competitive ions such as NO3– and Cl–, exhibiting high selectivity. More importantly, the fiber demonstrated excellent reusability (5 times) and low adsorption limit below 0.02 mg·P·g–1. In addition, the phosphate removal efficiency of the fiber can exceed 99% under continuous flow conditions. The adsorption mechanism was studied by X-ray photoelectron spectroscopy, showing that the adsorption of phosphate on the fiber mainly depended on the chemical adsorption of the modified Fe3+. Overall, this study proves that the fiber possesses many advantages for phosphate removal, including high adsorption efficiency, lower treatment limit, good recyclability, and environmental friendliness.

Keywords： phosphate adsorption     aminated polypropylene fiber     Fe3+     ligand exchange     reusability    

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Ensuring Energy Security in China through International Energy Cooperation

Wang Jun, Cao Yang, Wang Yusheng, Rao Jianye

Strategic Study of CAE 2021, Volume 23, Issue 1,   Pages 118-123 doi: 10.15302/J-SSCAE-2021.01.019

Abstract: International energy cooperation has always played an important role in ensuring energy security.security shifts toward multiple dimensions, the positioning and main tasks of international energy cooperationin China in the new era and analyzes the key issues in the recent international energy cooperation.energy security concept proposes new and higher requirements for China’s international energy cooperationfor oil and gas, strengthen the interconnection of electricity with neighboring countries, increase cooperation

Keywords： international energy cooperation     energy security     oil and gas import     power grid interconnection     energytechnology cooperation     global energy governance    

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The Application of Artificial Intelligence Accelerates G Protein-Coupled Receptor Ligand Discovery Review

Wei Chen,Chi Song,Liang Leng,Sanyin Zhang,Shilin Chen

Engineering 2024, Volume 32, Issue 1,   Pages 19-29 doi: 10.1016/j.eng.2023.09.011

Abstract: However, traditional approaches to GPCR ligand discovery are time-consuming and resource-intensive.The emergence of artificial intelligence (AI) methods has revolutionized the field of GPCR ligand discoveryIn this study, we provide guidelines for effectively utilizing AI methods for GPCR ligand discovery,First, the online resources that are instrumental in GPCR ligand discovery were summarized, includingdatabases and repositories that contain valuable GPCR-related information and ligand data.

Keywords： G protein-coupled receptor     Ligand     Artificial intelligence     Multi-omics     Drug discovery    

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Robust cooperation of connected vehicle systems with eigenvalue-bounded interaction topologies in the

Keqiang LI, Feng GAO, Shengbo Eben LI, Yang ZHENG, Hongbo GAO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 354-367 doi: 10.1007/s11465-018-0486-x

Abstract:

This study presents a distributed H-infinity control method for uncertain platoons with dimensionally and structurally unknown interaction topologies provided that the associated topological eigenvalues are bounded by a predesigned range. With an inverse model to compensate for nonlinear powertrain dynamics, vehicles in a platoon are modeled by third-order uncertain systems with bounded disturbances. On the basis of the eigenvalue decomposition of topological matrices, we convert the platoon system to a norm-bounded uncertain part and a diagonally structured certain part by applying linear transformation. We then use a common Lyapunov method to design a distributed H-infinity controller. Numerically, two linear matrix inequalities corresponding to the minimum and maximum eigenvalues should be solved. The resulting controller can tolerate interaction topologies with eigenvalues located in a certain range. The proposed method can also ensure robustness performance and disturbance attenuation ability for the closed-loop platoon system. Hardware-in-the-loop tests are performed to validate the effectiveness of our method.

Keywords： automated vehicles     platoon     distributed control     robustness    

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A ternary mechanism for the facilitated transfer of metal ions onto metal–organic frameworks: implications

Frontiers of Chemical Science and Engineering   Pages 1632-1642 doi: 10.1007/s11705-022-2187-6

Abstract: Although metal–organic frameworks offer a new platform for developing versatile sorption materials, yetHerein, a ternary mechanism for U(VI) uptake in metal–organic frameworks was reported.energy-dispersive X-ray spectroscopy and zeta potential measurement reveal that U(VI) uptake in the three metal–organicThe present study suggests that changing metal center of metal–organic frameworks and sorption conditionsalters sorption mechanism, which helps to construct effective metal–organic frameworks-based sorbents

Keywords： U(VI)     metal–organic frameworks     adsorption mechanism     metal node    

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Limit span of self-anchored cable-stayed suspension cooperation system bridge based on strength

Zhe ZHANG , Huili WANG , Xiaomeng GE , Sifeng QIN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 286-291 doi: 10.1007/s11709-009-0045-y

Abstract: height-span ratio and cable-stayed segment length or reducing the second dead load could increase the cooperation

Keywords： cable-stayed suspension     self-anchored     limit span    

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Title Author Date Type Operation

Effects of ancillary ligands in acceptorless benzyl alcohol dehydrogenation mediated by phosphine-free cobalt complexes

Journal Article

Surface modification by ligand growth strategy for dense copper bismuth film as photocathode to enhance

Journal Article

The cooperation effect of Ni and Pt in the hydrogenation of acetic acid

Journal Article

Highly selective detection of copper(II) by a “ligand-free” conjugated copolymer in nucleophilic solvents

Weixing Deng, Pengfei Sun, Quli Fan, Lei Zhang, Tsuyoshi Minami

Journal Article

Synthesis of vinylferrocene and the ligand-exchange reaction between its copolymer and carbon nanotubes

Ran SHI,Hai WANG,Ping TANG,Yuezhen BIN

Journal Article

Effect of ligand chain length on hydrophobic charge induction chromatography revealed by molecular dynamics

Lin ZHANG, Yan SUN

Journal Article

The Research of Business Process Management-based on The Changqing Oil Field Cooperation Project

Ning Hui,Xiao-wei Zhou,Qing-qing Chang

Journal Article

New Challenges, New Opportunities and New Measures for Oil and Gas Cooperation in the Belt and Road

Yu-pu Wang,He Liu

Journal Article

BGB-A445, a novel non-ligand-blocking agonistic anti-OX40 antibody, exhibits superior immune activation

Journal Article

Fabrication of recyclable Fe chelated aminated polypropylene fiber for efficient clean-up of phosphate wastewater

Journal Article

Ensuring Energy Security in China through International Energy Cooperation

Wang Jun, Cao Yang, Wang Yusheng, Rao Jianye

Journal Article

The Application of Artificial Intelligence Accelerates G Protein-Coupled Receptor Ligand Discovery

Wei Chen,Chi Song,Liang Leng,Sanyin Zhang,Shilin Chen

Journal Article

Robust cooperation of connected vehicle systems with eigenvalue-bounded interaction topologies in the

Keqiang LI, Feng GAO, Shengbo Eben LI, Yang ZHENG, Hongbo GAO

Journal Article

A ternary mechanism for the facilitated transfer of metal ions onto metal–organic frameworks: implications

Journal Article

Limit span of self-anchored cable-stayed suspension cooperation system bridge based on strength

Zhe ZHANG , Huili WANG , Xiaomeng GE , Sifeng QIN ,

Journal Article