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Effects of additive NaI on electrodeposition of Al coatings in AlCl

Tianyu Yao, Haiyan Yang, Kui Wang, Haiyan Jiang, Xiao-Bo Chen, Hezhou Liu, Qudong Wang, Wenjiang Ding

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 138-147 doi: 10.1007/s11705-020-1935-8

Abstract: Effects of NaI as an additive on electrodeposition of Al coatings in AlCl -NaCl-KCl (80-10-10 wt-%) moltenreveal that addition of NaI in the electrolyte intensifies cathodic polarization, inhibits growth of AlGalvanostatic deposition results indicate that NaI could facilitate the formation of uniform Al depositsA compact coating consisting of Al deposits with an average particle size of 3 μm was obtained at a currentXRD analysis confirmed that NaI could contribute to the formation of Al coating with a preferred crystallographic

Keywords： NaI     additive     electrodeposition     molten salts     Al coating    

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Spray Preparation, Microstructure and Properties of Al2O3-MxO Hard -Faced Ceramic Coating

Wang Biao,Wang Yudong,Li Huiling,Zhang Zihua

Strategic Study of CAE 2002, Volume 4, Issue 9,   Pages 75-80

Abstract:

On carbon steel substrate, base coating of nickel-coated aluminium and intermediate coating of 50%Al2O3 + 50% Ni were prepared by means of oxyacetylene spray, and final coatingof Al2O3 ～ MxOy was prepared by means of plasma spray.consisting of 60% (mass) sulphuric acid with 60 % concentration, and 40% (mass) phosphoric ore powder, the Al2O3 ～ MxOy coating resistance to corrosion and wear, is 7.46

Keywords： Al2O3-MxOy     coating     plasma     resistance to corrosion     resistance    

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Anticorrosive composite self-healing coating enabled by solar irradiation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1355-1366 doi: 10.1007/s11705-022-2147-1

Abstract: Herein, we present a composite coating with a self-healing function under easily accessible sunlightO4 nanoparticles serve as a phase-change component and photothermal material in an epoxy coatingFe3O4 nanoparticles endow this composite self-healing coating with good photothermalTherefore, artificial defects created in this type of self-healing coating can be healed by the liquifiedThe healed coating can still serve as a good barrier for the protection of the underlying carbon steel

Keywords： self-healing coating     phase transition     photothermal effect     corrosion protection    

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Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 294-300 doi: 10.1007/s11465-015-0351-0

Abstract:

The elastic modulus of a deposit (Ed) can be obtained by monitoring the temperature (?T) and curvature (?k) of a one-side coated long plate, namely, a one-dimensional (1D) deformation model. The aim of this research is to design an experimental setup that proves whether a 1D deformation model can be scaled for complex geometries. The setup includes a laser displacement sensor mounted on a robotic arm capable of scanning a specimen surface and measuring its deformation. The reproducibility of the results is verified by comparing the present results with Stony Brook University Laboratory’s results. The ?k-?T slope error is less than 8%, and the Ed estimation error is close to 2%. These values reveal the repeatability of the experiments. Several samples fabricated with aluminum as the substrate and 100MXC nanowire (Fe and Cr alloy) as the deposit are analyzed and compared with those in finite element (FE) simulations. The linear elastic behavior of 1D (flat long plate) and 2D (squared plate) specimens during heating/cooling cycles is demonstrated by the high linearity of all ?k-?T curves (over 97%). The Ed values are approximately equal for 1D and 2D analyses, with a median of 96 GPa and standard deviation of 2 GPa. The correspondence between the experimental and simulated results for the 1D and 2D specimens reveals that deformation and thermal stress in coated specimens can be predicted regardless of specimen geometry through FE modeling and by using the experimental value of Ed. An example of a turbine-blade-shaped substrate is presented to validate the approach.

Keywords： in-plane     Young’s modulus     curvature temperature     thermal stress     coating    

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Plasma spray coating on interconnector toward promoted solid oxide fuel cells and solid oxide electrolysis

Frontiers in Energy doi: 10.1007/s11708-023-0901-9

Abstract: Coating on the interconnector surface is an important approach to inhibit the oxidation and Cr migrationtechnology, atmospheric plasma spraying (APS) and low-pressure plasma spray (LPPS), are adopted for the coating

Keywords： interconnector coating     plasma spray     electrochemical performance     Cr diffusion inhibition     solid oxide    

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Erratum to: Enhancing the photoelectrochemical performance of p-silicon through TiO coating decorated

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 876-877 doi: 10.1007/s11708-022-0832-x

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The feasibility of coating by cooling crystallization on ibuprofen naked tablets

Fatima Mameri, Ouahiba Koutchoukali, Mohamed Bouhelassa, Anne Hartwig, Leila Nemdili, Joachim Ulrich

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 211-219 doi: 10.1007/s11705-017-1619-1

Abstract: Sugar spray coating is a frequently used process in the pharmaceutical industry.However, this process presents the disadvantage to form an amorphous coating around the active ingredientA crystalline coating formed on the surface of a tablet is highly desirable.Recently, a new process of coating by cooling crystallization has been developed and applied on bisacodylIn this work, we investigated the feasibility of coating by cooling crystallization on ibuprofen “naked

Keywords： coating     solution crystallization     ibuprofen tablets     sucrose    

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Vanadium oxide cathode with synergistic engineering of calcium-ion intercalation and polyaniline coating

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1244-1253 doi: 10.1007/s11705-022-2293-5

Abstract: Herein, a synergistic engineering of calcium-ion intercalation and polyaniline coating was developedvanadium pentoxide layers as pillars increase the crystal structure’s stability, while the polyaniline coatingThe vanadium oxide cathode with synergistic engineering of calcium-ion intercalation and polyaniline coating

Keywords： zinc-ion battery     CaV8O20     polyaniline coating     synergistic engineering     high capacity    

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Molecular aspects of MERS-CoV

Al-Ahmed, Jaffar A. Al-Tawfiq

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 365-377 doi: 10.1007/s11684-017-0521-z

Abstract:

Middle East respiratory syndrome coronavirus (MERS-CoV) is a betacoronavirus which can cause acute respiratory distress in humans and is associated with a relatively high mortality rate. Since it was first identified in a patient who died in a Jeddah hospital in 2012, the World Health Organization has been notified of 1735 laboratory-confirmed cases from 27 countries, including 628 deaths. Most cases have occurred in Saudi Arabia. MERS-CoV ancestors may be found in Old World bats of the Vespertilionidae family. After a proposed bat to camel switching event, transmission of MERS-CoV to humans is likely to have been the result of multiple zoonotic transfers from dromedary camels. Human-to-human transmission appears to require close contact with infected persons, with outbreaks mainly occurring in hospital environments. Outbreaks have been associated with inadequate infection prevention and control implementation, resulting in recommendations on basic and more advanced infection prevention and control measures by the World Health Organization, and issuing of government guidelines based on these recommendations in affected countries including Saudi Arabia. Evolutionary changes in the virus, particularly in the viral spike protein which mediates virus-host cell contact may potentially increase transmission of this virus. Efforts are on-going to identify specific evidence-based therapies or vaccines. The broad-spectrum antiviral nitazoxanide has been shown to have in vitro activity against MERS-CoV. Synthetic peptides and candidate vaccines based on regions of the spike protein have shown promise in rodent and non-human primate models. GLS-5300, a prophylactic DNA-plasmid vaccine encoding S protein, is the first MERS-CoV vaccine to be tested in humans, while monoclonal antibody, m336 has given promising results in animal models and has potential for use in outbreak situations.

Keywords： MERS-CoV     Saudi Arabia     spike protein     transmission     evolution     vaccine    

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A novel composite coating mesh film for oil-water separation

Futao QIN, Zhijia YU, Xinhui FANG, Xinghua LIU, Xiangyu SUN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 112-118 doi: 10.1007/s11705-009-0149-x

Abstract: Polytetrafluoroethylene-polyphenylene sulfide composite coating mesh film was successfully prepared by

Keywords： super-hydrophobic     super-oleophilic     composite coating     mesh film     separation of oil and water    

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Enhancing the photoelectrochemical performance of p-silicon through TiO coating decorated with mesoporous

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 772-780 doi: 10.1007/s11708-021-0783-7

Abstract: MoS2 is a promising electrocatalyst for hydrogen evolution reaction and a good candidate for cocatalyst to enhance the photoelectrochemical (PEC) performance of Si-based photoelectrode in aqueous electrolytes. The main challenge lies in the optimization of the microstructure of MoS2, to improve its catalytic activity and to construct a mechanically and chemically stable cocatalyst/Si photocathode. In this paper, a highly-ordered mesoporous MoS2 was synthesized and decorated onto a TiO2 protected p-silicon substrate. An additional TiO2 necking was introduced to strengthen the bonding between the MoS2 particles and the TiO2 layer. This meso-MoS2/TiO2/p-Si hybrid photocathode exhibited significantly enhanced PEC performance, where an onset potential of +0.06 V (versus RHE) and a current density of −1.8 mA/cm2 at 0 V (versus RHE) with a Faradaic efficiency close to 100% was achieved in 0.5 mol/L H2SO4. Additionally, this meso-MoS2/TiO2/p-Si photocathode showed an excellent PEC ability and durability in alkaline media. This paper provides a promising strategy to enhance and protect the photocathode through high-performance surface cocatalysts.

Keywords： photoelectrocatalysis     hydrogen evolution     Si photocathode     mesoporous MoS2    

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Accumulated damage process of thermal sprayed coating under rolling contact by acoustic emission technique

Jia XU,Zhen-yu ZHOU,Zhong-yu PIAO

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 227-232 doi: 10.1007/s11465-016-0395-9

Abstract: Result showed that the polished coating would resist the asperity contact and remit accumulated damage

Keywords： accumulated damage     spray coating     rolling contact fatigue     acoustic emission    

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High-level expression of recombinant IgG1 by CHO K1 platform

Ningning Xu, Jianfa Ou, Al-Karim (Al) Gilani, Lufang Zhou, Margaret Liu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 376-380 doi: 10.1007/s11705-015-1531-5

Abstract: The Chinese Hamster Ovary (CHO K1) cell was used to express a targeted anti-cancer monoclonal antibody by optimizing the platform of the construction of production cell line in this study. The adherent CHO K1 was first adapted to suspension culture in chemical defined medium. Then the glutamine synthetase (GS) vector was applied to construct a single plasmid to overexpress a monoclonal antibody IgG1. Post transfection, the production of cell pool was optimized by glutamine-free selection and amplification using various concentrations of methionine sulfoximine. The best cell pool of CHO K1/IgG1 was used to screen the top single clone using the limiting dilution cloning. Finally, a high IgG1 production of 780 mg/L was obtained from a batch culture. This study demonstrated that the construction of high producing cell line, from gene to clone, could be completed within six month and the gene amplification improved protein production greatly.

Keywords： Chinese hamster ovary (CHO)     monoclonal antibody     IgG1     amplification     cell line development    

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Enhanced activation of persulfate using mesoporous silica spheres augmented Cu–Al bimetallic oxide particles

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1581-1592 doi: 10.1007/s11705-023-2327-7

Abstract: Herein, Cu–Al bimetallic oxide was synthesized and mixed with mesoporous silica spheres via a simpleresults of X-ray diffraction, scanning electron microscopy, and energy dispersion spectroscopy, Cu–Albimetallic oxide was determined as CuO-Al2O3, and mesoporous silica spheres wereThe introduction of Al2O3 promoted the formation of surface oxygen vacancies, which

Keywords： Cu–Al bimetallic oxides     mesoporous silica spheres     peroxydisulfate     bisphenol A    

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Preparation of solar selective absorbing CuO coating for medium temperature application

HUANG Qunwu, WANG Yiping, LI Jinhua

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 256-260 doi: 10.1007/s11705-007-0046-0

Abstract: A new method of preparing CuO solar selective absorbing coating for medium temperature is presented.The optimized condition of preparing CuO coating was obtained.In order to prolong the period of use, the CuO coating was protected by TiO.than CuO coating, without losing absorptivity markedly.The TiO coating can reduce emissivity and protect the CuO coating.

Keywords： photoelectron spectroscopy     temperature     pretreatment     absorptivity     microscopy    

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Title Author Date Type Operation

Effects of additive NaI on electrodeposition of Al coatings in AlCl

Tianyu Yao, Haiyan Yang, Kui Wang, Haiyan Jiang, Xiao-Bo Chen, Hezhou Liu, Qudong Wang, Wenjiang Ding

Journal Article

Spray Preparation, Microstructure and Properties of Al2O3-MxO Hard -Faced Ceramic Coating

Wang Biao,Wang Yudong,Li Huiling,Zhang Zihua

Journal Article

Anticorrosive composite self-healing coating enabled by solar irradiation

Journal Article

Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Journal Article

Plasma spray coating on interconnector toward promoted solid oxide fuel cells and solid oxide electrolysis

Journal Article

Erratum to: Enhancing the photoelectrochemical performance of p-silicon through TiO coating decorated

Journal Article

The feasibility of coating by cooling crystallization on ibuprofen naked tablets

Fatima Mameri, Ouahiba Koutchoukali, Mohamed Bouhelassa, Anne Hartwig, Leila Nemdili, Joachim Ulrich

Journal Article

Vanadium oxide cathode with synergistic engineering of calcium-ion intercalation and polyaniline coating

Journal Article

Molecular aspects of MERS-CoV

Al-Ahmed, Jaffar A. Al-Tawfiq

Journal Article

A novel composite coating mesh film for oil-water separation

Futao QIN, Zhijia YU, Xinhui FANG, Xinghua LIU, Xiangyu SUN

Journal Article

Enhancing the photoelectrochemical performance of p-silicon through TiO coating decorated with mesoporous

Journal Article

Accumulated damage process of thermal sprayed coating under rolling contact by acoustic emission technique

Jia XU,Zhen-yu ZHOU,Zhong-yu PIAO

Journal Article

High-level expression of recombinant IgG1 by CHO K1 platform

Ningning Xu, Jianfa Ou, Al-Karim (Al) Gilani, Lufang Zhou, Margaret Liu

Journal Article

Enhanced activation of persulfate using mesoporous silica spheres augmented Cu–Al bimetallic oxide particles

Journal Article

Preparation of solar selective absorbing CuO coating for medium temperature application

HUANG Qunwu, WANG Yiping, LI Jinhua

Journal Article