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Preparation and photocatalytic kinetics of nano-ZnO powders by precipitation stripping process

ZHANG Dongxiang, XUE Min, XU Hang, XU Wenguo, TARASOV V

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 319-324 doi: 10.1007/s11705-008-0051-y

Abstract: photocatalytic performance of methylene blue by zinc oxide was studied based on the Langmuir model and Photo-LayerThe photo catalytic process followed pseudo-first order kinetics and •OH concentration inside the photo-layerin different reaction condition were calculated according to the Photo-Layer model.

Keywords： 2-ethylhexyl     micro-multipore     Photo-Layer     hexagonal     methylene    

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Experimental and computational assessment of 1,4-Dioxane degradation in a photo-Fenton reactive ceramic

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1341-y

Abstract:

• 1,4-Dioxane was degraded via the photo-Fenton reactive membrane filtration

Keywords： Photo-Fenton     Ceramic membrane     1     4-Dioxane     Goethite    

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Selective reduction of NO by photo-SCR with ammonia in an annular fixed-film photoreactor

YiangChen CHOU, Young KU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 149-155 doi: 10.1007/s11783-010-0296-9

Abstract: Gaseous NO was photocatalytically reduced at room temperature by photo-assisted selective catalytic reduction(photo-SCR) with ammonia over TiO in this study.The kinetic model proposed in this study can be used to reasonably describe the reaction mechanism of photo-SCR

Keywords： photo-SCR     photocatalysis     NO reduction     Eley-Rideal model    

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Lignin-based electrospun nanofiber membrane decorated with photo-Fenton Ag@MIF-100(Fe) heterojunctions

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 930-941 doi: 10.1007/s11705-023-2309-9

Abstract: /i> seeding method to fabricate a lignin-based electrospun nanofiber membrane (LENM) decorated with photo-Fentonwithin 30 min under illumination, which is attributed to a synergy of dye adsorption/enrichment and photo-FentonTherefore, the lignin-based photo-Fenton hybrid membrane can lay the foundation for the preparation and

Keywords： lignin     electrospinning     heterojunctions     photo-Fenton catalysis     wastewater remediation    

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Solar fuel from photo-thermal catalytic reactions with spectrum-selectivity: a review

Sanli TANG, Jie SUN, Hui HONG, Qibin LIU

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 437-451 doi: 10.1007/s11708-017-0509-z

Abstract: The synergy of photo and thermal effects leads to a new approach to higher solar fuel production underThis paper reviews different approaches for solar fuel production from spectrum-selective photo-thermalreview begins with the meaning of synergetic effects, and the mechanisms of spectrum-selectivity and photo-thermalA discussion is finally presented concerning future development of photo-thermal catalytic reactions

Keywords： photo-thermal catalysis     spectrum-selectivity     solar fuel     full-spectrum    

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Hypoxia-induced activity loss of a photo-responsive microtubule inhibitor azobenzene combretastatin A4

Yang An, Chao Chen, Jundong Zhu, Pankaj Dwivedi, Yanjun Zhao, Zheng Wang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 880-888 doi: 10.1007/s11705-019-1864-6

Abstract: The conformation-dependent activity of azobenzene combretastatin A4 (Azo-CA4) provides a unique approach to reduce the side-effects of chemotherapy, due to the light-triggered conformation transition of its azobenzene moiety. Under hypoxic tumor microenvironment, however, the high expression of azoreductase can reduce azobenzene to aniline. It was postulated that the Azo-CA4 might be degraded under hypoxia, resulting in the decrease of its anti-tumor activity. The aim of this study was to verify such hypothesis in HeLa cells . The quantitative drug concentration analysis shows the ratiometric formation of degradation end-products, confirming the bioreduction of Azo-CA4. The tubulin staining study indicates that Azo-CA4 loses the potency of switching off microtubule dynamics under hypoxia. Furthermore, the cell cycle analysis shows that the ability of Azo-CA4 to induce mitotic arrest is lost at low oxygen content. Therefore, the cytotoxicity of Azo-CA4 is compromised under hypoxia. In contrast, combretastatin A4 as a positive control maintains the potency to inhibit tubulin polymerization and break down the nuclei irrespective of light irradiation and oxygen level. This work highlights the influence of hypoxic tumor microenvironment on the anti-tumor potency of Azo-CA4, which should be considered during the early stage of designing translational Azo-CA4 delivery systems.

Keywords： hypoxia     microtubule inhibitor     drug delivery     azo-combretastatin A4     photo-responsive    

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Cyanobacterial photo-driven mixotrophic metabolism and its advantages for biosynthesis

Ni Wan,Mary Abernathy,Joseph Kuo-Hsiang Tang,Yinjie J. Tang,Le You

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 308-316 doi: 10.1007/s11705-015-1521-7

Abstract: The photo-fermentations show enhanced photosynthesis, while CO loss from organic substrate degradationThe use of cyanobacteria as “green ” could be a promising route to develop robust photo-biorefineries

Keywords： CO2 mass transfer     N2 fixation     photosystem     RuBisCO     the TCA cycle    

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Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 385-391 doi: 10.1007/s11705-011-1101-4

Abstract: distribution of a solute undergoing a first order chemical reaction in an axisymmetric laminar boundary layer

Keywords： boundary layer     stretching cylinder     partial slip     mass transfer     similarity solution    

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Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 43-71 doi: 10.1007/s11708-018-0524-8

Abstract: More recently, photo-induced force microscopy (PiFM) has been developed to measure the change of the

Keywords： vibrational spectroscopy     atomic force microscopy     photo-thermal induced resonance     scanning near-fieldoptical microscopy     tip-enhanced Raman spectroscopy     photo-induced force microscopy     molecular resonances    

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Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 297-302 doi: 10.1007/s11705-011-1201-1

Abstract: A lattice model of the nanoscaled catalyst layer structure in proton exchange membrane fuel cells (PEMFCThe model takes into account all the four components in a typical PEMFC catalyst layer: platinum (Pt)Catalyst utilization in the modeled catalyst layer was calculated by counting up the number of facets

Keywords： catalyst layer     PEM fuel cell     lattice model     Monte Carlo method     catalyst utilization    

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Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 631-644 doi: 10.1007/s11465-020-0599-x

Abstract: The mechanism of a single atomic layer removal in cutting is the key basic theoretical foundation forIn the present study, the crystallographic orientation effect on the cutting-based single atomic layerWhen undeformed chip thickness is in the atomic scale, two kinds of single atomic layer removal mechanismsexist in cutting-based single atomic layer removal, namely, dislocation motion and extrusion, due to

Keywords： ACSM     single atomic layer removal mechanism     crystallographic orientation effect     mechanical cutting     Manufacturing    

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3D Photo-Fabrication for Tissue Engineering and Drug Delivery Review

Rúben F. Pereira, Paulo J. Bártolo

Engineering 2015, Volume 1, Issue 1,   Pages 90-112 doi: 10.15302/J-ENG-2015015

Abstract: Photo-fabrication techniques have already been used to generate 3D environments with precise architecturesand heterogeneous composition, through a multi-layer procedure involving the selective photocrosslinkingRecently, photo-fabrication has also been explored to dynamically modulate hydrogel features in realThis paper focuses on the use of 3D photo-fabrication techniques to produce advanced constructs for tissueState-of-the-art photo-fabrication techniques are described, with emphasis on the operating principles

Keywords： 3D photo-fabrication     biomaterials     tissue engineering     drug delivery    

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Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1462-1475 doi: 10.1007/s11709-020-0674-8

Abstract: numerical analyses on a 55° inclined unsaturated sandy slope with less permeable, stronger silty sand layerIt is observed that a less permeable, stronger silty sand layer in an otherwise homogeneous sandy soilThe water content of the slope just above the stronger layer increases significantly, compared to elsewheresoil slope, whereas for a non-homogeneous slope, they initiate just above the less pervious, stronger layerIt decreases significantly if this less permeable, stronger soil layer is located near the toe of the

Keywords： non-homogeneous slope     stronger soil layer     factor of safety     centrifuge model test     unsaturated soils    

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Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 406-413 doi: 10.1007/s11708-009-0041-x

Abstract: Within Collaborative Research Center (SFB) 561 “Thermally Highly Loaded, Porous and Cooled Multi-LayerSystems for Combined Cycle Power Plants” at RWTH Aachen University, an effusion-cooled multi-layerWithin the SFB, two different multi-layer systems, one consisting of substrate made of CMSX-4 (a single-crystal

Keywords： conjugate calculation     effectiveness of effusion cooling     multi-layer systems     CMSX-4     NiAl-FG75    

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The influence of manufacturing parameters and adding support layer on the properties of Zirfon

Li XU,Yue YU,Wei LI,Yan YOU,Wei XU,Shaoxing ZHANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 295-305 doi: 10.1007/s11705-014-1433-y

Abstract: A modified composite separator with a support layer was prepared to enhance the tensile strength of separatorBy adding support layer, the tensile strength of the separator increases from 1.85 MPa to 13.66 MPa.

Keywords： separator     alkaline water electrolysis     manufacturing parameters     support layer    

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Title Author Date Type Operation

Preparation and photocatalytic kinetics of nano-ZnO powders by precipitation stripping process

ZHANG Dongxiang, XUE Min, XU Hang, XU Wenguo, TARASOV V

Journal Article

Experimental and computational assessment of 1,4-Dioxane degradation in a photo-Fenton reactive ceramic

Journal Article

Selective reduction of NO by photo-SCR with ammonia in an annular fixed-film photoreactor

YiangChen CHOU, Young KU

Journal Article

Lignin-based electrospun nanofiber membrane decorated with photo-Fenton Ag@MIF-100(Fe) heterojunctions

Journal Article

Solar fuel from photo-thermal catalytic reactions with spectrum-selectivity: a review

Sanli TANG, Jie SUN, Hui HONG, Qibin LIU

Journal Article

Hypoxia-induced activity loss of a photo-responsive microtubule inhibitor azobenzene combretastatin A4

Yang An, Chao Chen, Jundong Zhu, Pankaj Dwivedi, Yanjun Zhao, Zheng Wang

Journal Article

Cyanobacterial photo-driven mixotrophic metabolism and its advantages for biosynthesis

Ni Wan,Mary Abernathy,Joseph Kuo-Hsiang Tang,Yinjie J. Tang,Le You

Journal Article

Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Journal Article

Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Journal Article

Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Journal Article

Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Journal Article

3D Photo-Fabrication for Tissue Engineering and Drug Delivery

Rúben F. Pereira, Paulo J. Bártolo

Journal Article

Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Journal Article

Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Journal Article

The influence of manufacturing parameters and adding support layer on the properties of Zirfon

Li XU,Yue YU,Wei LI,Yan YOU,Wei XU,Shaoxing ZHANG

Journal Article