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Development of new transient liquid phase system Au-Sn-Au for microsystem technology

Kirsten BOBZIN, Nazlim BAGCIVAN, Lidong ZHAO, Stefania FERRARA, Jan PERNE

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 370-375 doi: 10.1007/s11465-010-0107-9

Abstract: In this study, a new transient liquid phase (TLP) system Au-Sn-Au was developed for potential medicalThe high and low melting phases Au and Sn were deposited onto diverse substrates by magnetron-sputter-ion

Keywords： transient liquid phase     microtechnology     soldering     diffusion     physical vapor deposition (PVD)    

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Plasmonic Au nanoparticles supported on both sides of TiO2 hollow spheres for maximising photocatalytic

Jianwei Lu, Lan Lan, Xiaoteng Terence Liu, Na Wang, Xiaolei Fan

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 665-671 doi: 10.1007/s11705-019-1815-2

Abstract: hollow spheres (HSs) was developed, in which both sides of TiO HSs were utilised for stabilising AuThe composite structure of single Au NP yolk-TiO shell-Au NPs, denoted as Au@Au(TiO , was rendered andAu@Au(TiO showed enhanced photocatalytic activity in the degradation of methylene blue and phenol inaqueous phase under visible light surpassing that of other reference materials such as Au(TiO by 77%and Au@P25 by 52%, respectively, in phenol degradation.

Keywords： TiO2 hollow spheres     plasmonic Au nanoparticles     confinement     visible light     photocatalytic degradation    

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Fabrication and photocatalytic ability of an Au/TiO2

Fenghe Lv, Hua Wang, Zhangliang Li, Qi Zhang, Xuan Liu, Yan Su

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0977-8

Abstract: A new type of Au/TiO /reduced graphene oxide (RGO) nanocomposite was fabricated by the hydrothermal synthesisof TiO on graphene oxide followed by the photodeposition of Au nanoparticles.Transmission electron microscopy images showed that Au nanoparticles were loaded onto the surface ofAu/TiO /RGO had a better photocatalytic activity than Au/TiO for the degradation of phenol.Electrochemical measurements indicated that Au/TiO /RGO had an improved charge transfer capability.

Keywords： Reduced graphene oxide     Au     TiO2     Nanocomposite     Photocatalysis    

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A mini review on chemical fixation of CO 2 : Absorption and catalytic conversion into cyclic carbonates

Weili DAI, Chaktong AU, Shenglian LUO, Shuangfeng YIN,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 163-171 doi: 10.1007/s11705-009-0235-0

Abstract: In this article, we present our research results on chemical fixation of CO using organobismuth compounds. We fabricated bismuth biphenoate complex, Zn-Mg-Al composite oxides, and SBA-15 or Al-SBA-15 immobilized hydroxyl ionic liquid for CO cycloaddition onto epoxides. The hypervalent bismuth compounds show good ability for association and dissociation with CO. The bismuth biphenolate complexes are catalytically effective for the cycloaddition reaction. The heterogeneous catalysts, viz. Zn-Mg-Al oxides and SBA-15 or Al-SBA-15 immobilized ionic liquid, are efficient for the synthesis of cyclic carbonate from CO and epoxide. It is found that the presence of a trace amount of water can improve the catalytic activity of the immobilized ionic liquid.

Keywords： SBA-15     CO cycloaddition     Al-SBA-15 immobilized     CO     dissociation    

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Towards a Large-Scale Hydrogen Industry for Australia

Hartley, Vicky Au

Engineering 2020, Volume 6, Issue 12,   Pages 1346-1348 doi: 10.1016/j.eng.2020.05.024

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Particle size distribution and shape control of Au nanoparticles used for particle gun

S. Kida, M. Ichiji, J. Watanabe, I. Hirasawa

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 60-64 doi: 10.1007/s11705-013-1313-x

Abstract: Au nanoparticles are expected for the media to transfer genes into plants.However, the control of particle size distribution (PSD) and shape of Au nanoparticles is too difficultof feeding conditions such as feeding profile, feeding rate, and feeding amount on PSD and shape of AuMoreover, in single-jet and double-jet, the mean size of the obtained Au particles increases with theIt is concluded that PSD of Au nanoparticles can be controlled in the range of 50–400 nm by changing

Keywords： reduction crystallization     particle size distribution     gene transferring media    

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Two-dimensional self-assembly of melem and melemium cations at pH-controlled aqueous solution–Au(111)

Shinobu Uemura,Kenki Sakata,Masashi Aono,Yusuke Nakamura,Masashi Kunitake

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 294-300 doi: 10.1007/s11705-016-1564-4

Abstract: Two-dimensional self-assembly of melem at pH-controlled aqueous solution-Au(111) interfaces has been

Keywords： self-assembly     scanning tunneling microscopy     electrochemistry     structural phase transition     melem    

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Low-temperature CO oxidation over Au-doped 13X-type zeolite catalysts: preparation and catalytic activity

Qing YE, Donghui LI, Jun ZHAO, Jiansheng ZHAO, Tianfang KANG, Shuiyuan CHENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 497-504 doi: 10.1007/s11783-011-0256-z

Abstract: Au-supported 13X-type zeolite (Au/13X) was synthesized using a common deposition–precipitation (DP) methodchloroauric acid concentration, solution temperature, pH of solution, and calcinations temperature) on AuThe activity of Au/13X catalysts in CO oxidation was dependent on the chloroauric acid concentration.Results revealed that higher temperatures induced higher Au loading, homogeneous deposit, and smallerFurthermore, a pH of 5 or 6 generated greater amounts of Au loading and smaller Au particles on 13X than

Keywords： 13X-type zeolite     CO oxidation     gold solution     pH     calcination temperature    

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Engineering a Coordinatively Unsaturated Au–O–Ti3+ Structure Toward Unprecedented H2< Article

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Engineering 2023, Volume 25, Issue 6,   Pages 144-156 doi: 10.1016/j.eng.2023.01.008

Abstract:

Since 1998, the Au–O–Ti4+ sites of Au/Ti-based catalysts have been widely acceptedHerein, we demonstrate a novel Au–O–Ti3+ active site aiming at low-temperatureThe Au–O–coordinatively unsaturated Ti3+ active site is quantitively constructedIt was found that the Ti–OOH generation rate is higher on Au–O–Ti3+ thanon conventional Au–O–Ti4+ sites.

Keywords： Propene epoxidation     H2 efficiency     Au/Ti bifunctional catalysts     Coordinatively unsaturated    

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A perspective on the promoting effect of Ir and Au on Pd toward the ethanol oxidation reaction in alkaline

S. Y. SHEN, Y. G. GUO, G. H. WEI, L. X. LUO, F. LI, J. L. ZHANG

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 501-508 doi: 10.1007/s11708-018-0586-7

Abstract: two architectures of tri-metallic PdIrAu/C electrocatalysts are designed and the promoting effect of AuOn the one hand, the tri-metallic Pd Au Ir/C electrocatalyst with a solid solution alloy architectureis less active relative to Pd Ir/C and Pd/C while the stabilizing effect of Au leads to both a higherand a lower degradation percentage after 3000 cycles of the accelerated degradation test (ADT) on Pd AuIt is speculated that for the tri-metallic Pd Ir@(1/3Au)/C electrocatalyst, certain Au atoms are well

Keywords： fuel cells     catalysts     ethanol oxidation     alkaline media     solid solution alloy     near surface alloy    

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The electrostatic-alloy bonding technique used in MEMS

WANG Wei, CHEN Wei-ping

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 238-241 doi: 10.1007/s11465-006-0011-5

Abstract: Electrostatic-alloy bonding of silicon wafer with glass deposited by Au to form Si/Au-glass water, andbonding of Si/Au-glass with silicon wafer were researched during fabrication of pressure sensors.The silicon wafer and glass wafer with an Au film resistor were bonded by electrostatic bonding, andthen Si-Au alloy bonding was formed by annealing at 400vH for 2 h.

Keywords： Si/Au-glass     strength     MEMS packaging     process     sandwich structure    

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Epigenetic dysregulation in hepatocellular carcinoma: focus on polycomb group proteins

Sandy Leung-Kuen Au, Irene Oi-Lin Ng, Chun-Ming Wong

Frontiers of Medicine 2013, Volume 7, Issue 2,   Pages 231-241 doi: 10.1007/s11684-013-0253-7

Abstract:

Hepatocellular carcinoma (HCC) development is characterized by the presence of epigenetic alterations, including promoter DNA hypermethylation and post-translational modifications of histone, which profoundly affect expression of a wide repertoire of genes critical for cancer development. Emerging data suggest that deregulation of polycomb group (PcG) proteins, which are key chromatin modifiers repressing gene transcription during developmental stage, plays a causative role in oncogenesis. PcG proteins assemble into polycomb repressive complex 1 (PRC1) and polycomb repressive complex 2 (PRC2) to impose the histone H3 lysine 27 trimethylation (H3K27me3) modification for repression. In this review, we will first recapitulate the mechanisms of two key epigenetic pathways: DNA methylation and histone modifications. Specifically, we will focus our discussion on the molecular roles of PcG proteins. Next, we will highlight recent findings on PcG proteins, their clinicopathological implication and their downstream molecular consequence in hepatocarcinogenesis. Last but not least, we will consider the therapeutic potential of targeting enhancer of zeste homolog 2 (EZH2) as a possible treatment for HCC. Improving our understanding on the roles of PcG proteins in hepatocarcinogenesis can benefit the development of epigenetic-based therapy.

Keywords： liver cancer     epigenetics     histone modifications     polycomb group proteins     enhancer of zeste homolog 2 (EZH2)    

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Cationic organobismuth complex as an effective catalyst for conversion of CO

Xiaowen ZHANG, Weili DAI, Shuangfeng YIN, Shenglian LUO, Chak-Tong AU

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 32-37 doi: 10.1007/s11783-008-0068-y

Abstract: In order to achieve high-efficiency conversion of CO into valuable chemicals, and to exploit new applications of organobismuth compounds, cationic organobismuth complex with 5,6,7,12-tetrahydrodibenz[c,f] azabismocine framework was examined for the first time for the coupling of CO into cyclic carbonates, using terminal epoxides as substrates and tetrabutylammonium halide as co-catalyst in a solvent-free environment under mild conditions. It is shown that the catalyst exhibited high activity and selectivity for the coupling reaction of CO with a wide range of terminal epoxide. The selectivity of propylene carbonates could reach 100%, and the maximum turnover frequency was up to 10740 h at 120°C and 3 MPa CO pressure when tetrabutylammonium iodide was used as co-catalyst. Moreover, the catalyst is environment friendly, resistant to air and water, and can be readily reused and recycled without any loss of activity, demonstrating a potential in industrial application.

Keywords： cationic organobismuth complex     terminal epoxide     carbon dioxide     coupling     cyclic carbonate    

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Optimization of formation for multi-agent systems based on LQR

Chang-bin Yu, Yin-qiu Wang, Jin-liang Shao,brad.yu@anu.edu.au,wh6508@gmail.com,jinliangshao@126.com

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 2,   Pages 96-109 doi: 10.1631/FITEE.1500490

Abstract: In this paper, three optimal linear algorithms are proposed for first-order linear from a perspective with cost functions consisting of both interaction energy cost and individual energy cost, because both the collective object (such as formation or consensus) and the individual goal of each agent are very important for the overall system. First, we propose the optimal formation algorithm for first-order without initial physical couplings. The parameter matrix of the algorithm is the solution to an . It is shown that the matrix is the sum of a Laplacian matrix and a positive definite diagonal matrix. Next, for physically interconnected , the optimal formation algorithm is presented, and the corresponding parameter matrix is given from the solution to a group of quadratic equations with one unknown. Finally, if the communication topology between agents is fixed, the local feedback gain is obtained from the solution to a quadratic equation with one unknown. The equation is derived from the derivative of the cost function with respect to the local feedback gain. Numerical examples are provided to validate the effectiveness of the proposed approaches and to illustrate the geometrical performances of .

Keywords： Linear quadratic regulator (LQR)     Formation control     Algebraic Riccati equation (ARE)     Optimal control     Multi-agent systems    

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A review of computer graphics approaches to urban modeling from a machine learning perspective Review Article

Tian Feng, Feiyi Fan, Tomasz Bednarz,t.feng@latrobe.edu.au

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 7,   Pages 915-925 doi: 10.1631/FITEE.2000141

Abstract: facilitates the generation of virtual environments for various scenarios about cities. It requires expertise and consideration, and therefore consumes massive time and computation resources. Nevertheless, related tasks sometimes result in dissatisfaction or even failure. These challenges have received significant attention from researchers in the area of . Meanwhile, the burgeoning development of artificial intelligence motivates people to exploit , and hence improves the conventional solutions. In this paper, we present a review of approaches to in using in the literature published between 2010 and 2019. This serves as an overview of the current state of research on from a perspective.

Keywords： 城市建模；计算机图形学；机器学习；深度学习    

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Title Author Date Type Operation

Development of new transient liquid phase system Au-Sn-Au for microsystem technology

Kirsten BOBZIN, Nazlim BAGCIVAN, Lidong ZHAO, Stefania FERRARA, Jan PERNE

Journal Article

Plasmonic Au nanoparticles supported on both sides of TiO2 hollow spheres for maximising photocatalytic

Jianwei Lu, Lan Lan, Xiaoteng Terence Liu, Na Wang, Xiaolei Fan

Journal Article

Fabrication and photocatalytic ability of an Au/TiO2

Fenghe Lv, Hua Wang, Zhangliang Li, Qi Zhang, Xuan Liu, Yan Su

Journal Article

A mini review on chemical fixation of CO 2 : Absorption and catalytic conversion into cyclic carbonates

Weili DAI, Chaktong AU, Shenglian LUO, Shuangfeng YIN,

Journal Article

Towards a Large-Scale Hydrogen Industry for Australia

Hartley, Vicky Au

Journal Article

Particle size distribution and shape control of Au nanoparticles used for particle gun

S. Kida, M. Ichiji, J. Watanabe, I. Hirasawa

Journal Article

Two-dimensional self-assembly of melem and melemium cations at pH-controlled aqueous solution–Au(111)

Shinobu Uemura,Kenki Sakata,Masashi Aono,Yusuke Nakamura,Masashi Kunitake

Journal Article

Low-temperature CO oxidation over Au-doped 13X-type zeolite catalysts: preparation and catalytic activity

Qing YE, Donghui LI, Jun ZHAO, Jiansheng ZHAO, Tianfang KANG, Shuiyuan CHENG

Journal Article

Engineering a Coordinatively Unsaturated Au–O–Ti3+ Structure Toward Unprecedented H2<

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Journal Article

A perspective on the promoting effect of Ir and Au on Pd toward the ethanol oxidation reaction in alkaline

S. Y. SHEN, Y. G. GUO, G. H. WEI, L. X. LUO, F. LI, J. L. ZHANG

Journal Article

The electrostatic-alloy bonding technique used in MEMS

WANG Wei, CHEN Wei-ping

Journal Article

Epigenetic dysregulation in hepatocellular carcinoma: focus on polycomb group proteins

Sandy Leung-Kuen Au, Irene Oi-Lin Ng, Chun-Ming Wong

Journal Article

Cationic organobismuth complex as an effective catalyst for conversion of CO

Xiaowen ZHANG, Weili DAI, Shuangfeng YIN, Shenglian LUO, Chak-Tong AU

Journal Article

Optimization of formation for multi-agent systems based on LQR

Chang-bin Yu, Yin-qiu Wang, Jin-liang Shao,brad.yu@anu.edu.au,wh6508@gmail.com,jinliangshao@126.com

Journal Article

A review of computer graphics approaches to urban modeling from a machine learning perspective

Tian Feng, Feiyi Fan, Tomasz Bednarz,t.feng@latrobe.edu.au

Journal Article