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Analyzing the characterization of pore structures and permeability of diesel contaminated clays under

Frontiers of Structural and Civil Engineering   Pages 1264-1280 doi: 10.1007/s11709-023-0921-x

Abstract: The combination of MIP and XRμCT provided a comprehensive and reliable characterization of the soil porestructure.

Keywords： MIP     XRμCT     aging     diesel content     pore structure     permeability characteristics    

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Review of characterization and modeling of polymer electrolyte fuel cell catalyst layer: The blessing

Jun HUANG, Zhe LI, Jianbo ZHANG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 334-364 doi: 10.1007/s11708-017-0490-6

Abstract: This paper addresses the characterization and modeling of both the conventional ionomer-impregnated catalyst

Keywords： polymer electrolyte fuel cell     ultra-thin catalyst layer     electrostatic interactions     characterization andmodeling     structure-property-performance relation     water management    

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Recent advances in gold-metal oxide core-shell nanoparticles: Synthesis, characterization, and their

Michelle Lukosi,Huiyuan Zhu,Sheng Dai

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 39-56 doi: 10.1007/s11705-015-1551-1

Abstract: The advantage of the core-shell structure lies in its capacity to retain catalytic activity under thermalparticularly useful for gold nanoparticles in protecting them from sintering so that they retain their size, structureThe different methods of synthesizing such a structure have been compiled into three categories: seed-mediatedDifferent factors that could influence the catalyst’s performance are the size, structure, choice ofThis review covers the synthesis and characterization of gold-metal oxide core-shell structures, as well

Keywords： core-shell     characterization     core-shell structure     Different     stability    

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Synthesis and characterization of biocompatible polyurethanes for controlled release of hydrophobic and

Juichen YANG,Hong CHEN,Yuan YUAN,Debanjan SARKAR,Jie ZHENG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 498-510 doi: 10.1007/s11705-014-1451-9

Abstract: Such difference in release profiles was attributed to a complex interplay among structure, hydrophobicityOur results highlight an important role of segmental structure of the polyurethane as an engineering

Keywords： phase structure     degradation     polyurethanes     controlled release     drug delivery    

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Functional characterization of a thermostable methionine adenosyltransferase from

Yanhui Liu,Biqiang Chen,Zheng Wang,Luo Liu,Tianwei Tan

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 238-244 doi: 10.1007/s11705-016-1566-2

Abstract: MATTt (a thermostable methionine adenosyltransferase from HB27) was overexpressed in and purified using Ni-NTA affinity column. The enzymatic activity of MATTt was investigated in a temperature range from 30 °C to 90 °C, showing that MATTt exhibited a high enzymatic activity and good thermostability at 80 °C. Circular dichroism spectra reveals that MATTt contains high portion of -sheet structures contributing to the thermostability of MATTt. The kinetic parameter, is 4.19 mmol/L and 1.2 mmol/L for ATP and methionine, respectively. MATTt exhibits the highest enzymatic activity at pH 8. Cobalt (Co ) and zinc ion (Zn ) enhances remarkably the activity of MATTt compared to the magnesium ion (Mg ). All these results indicated that the thermostable MATTt has great potential for industry applications.

Keywords： ion-preference     methionine adenosyltransferase     secondary structure     thermostability     Thermus thermophilus    

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Enhanced electrochemical performance of CoNiS@TiCT electrode material through doping of cobalt element

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1440-1449 doi: 10.1007/s11705-023-2333-9

Abstract: After in-situ doping of the cobalt element, NiS with a needle-like structure was converted intoa CoNiSx with petal-like structure.

Keywords： MXene     supercapacitor     cobalt doping     structure characterization     electrochemical performance    

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Mechanism and characterization of microplastic aging process: A review

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1700-6

Abstract:

● Methods for estimating the aging of environmental micro-plastics were highlighted.

Keywords： Microplastics     Aging     Degradation     Characterization     Mechanism    

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An experimental characterization of human torso motion

Daniele CAFOLLA,I-Ming CHEN,Marco CECCARELLI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 311-325 doi: 10.1007/s11465-015-0352-z

Abstract:

The torso plays an important role in the human-like operation of humanoids. In this paper, a method is proposed to analyze the behavior of the human torso by using inertial and magnetic sensing tools. Experiments are conducted to characterize the motion performance of the human torso during daily routine operations. Furthermore, the forces acting on the human body during these operations are evaluated to design and validate the performance of a humanoid robot.

Keywords： experimental biomechanics     human torso     analysis     inertial sensor     characterization    

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Synthesis and characterization of norfloxacin biomonomer

Shengxiong DONG, Qiaoping CHEN, Hongfang XIE, Jianhua HUANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 55-59 doi: 10.1007/s11705-010-0537-2

Abstract: A novel drug agent named norfloxacin biomonomer was developed in order to solve the problem of low drug content, uneven drug distribution, low molecular weight, and wide molecular weight distribution of polymer drug, based on polyurethane, which was used as an antibacterial agent to control the bacterial infection associated with biofilm formation on polymeric materials used in biologic environments. In this research, norfloxacin biomonomer was synthesized by esterifying the compound of norfloxacin. High-performance liquid chromatography system was used to analyze the purity of the final product and intermediate products, and Fourier transform infrared spectrometer and mass spectrum were used to verify the final product and intermediate products. The results showed that the objective product was developed successfully. The final product of norfloxacin biomonomer could be incorporated into the polyurethane as chain extender.

Keywords： norfloxacin     biomonomer     synthesis     characterization    

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Microplastic and Nanoplastic Pollution: Characterization, Transport, Fate, and Remediation Strategies

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 12-12 doi: 10.1007/s11783-021-1446-y

Abstract: Plastics continues to have a critical and essential role in human society such as food packing, product packages and building materials. In the meantime, it has been recognized as a global sustainability priority to study and mitigate pollution of plastics and the associated unknown impacts from ultrafine plastic particles. Microplastic (<5 mm) particles, for instance, have been detected in the aquatic environment globally and have raised scientific interests and environmental concerns. Microplastics (MPs) can enter rivers through a variety of pathways (e.g., wastewater effluent, breakdown of plastic debris) and can negatively impact aquatic organisms through both direct injection with food and indirect contamination from absorbed toxins. MPs can absorb heavy metals, pathogens, and organic contaminants, mainly persistent organic pollutants (POPs) that can be ingested by organisms and introduced into the food web. Meanwhile, MPs may also release potentially toxic substances (e.g., plasticizers, flame retardants and antimicrobial agents) during weathering and degradation. An increasing number of papers are being published during the last years related to the effects of MPs as well as with synergistic effects when associated with MPs and their byproducts such as nanometer sized plastics or nanoplastics. This special issue successfully garnered a collection of research articles that addressed various topics of microplastic or nanoplastic pollution, characteristic, and environmental fate in the water environment. Particularly, this issue reported the seasonable occurrence and distribution of microplastics in different regions (e.g., China and India) from high-latitude nature reserve to sediments and coastal marine environments. Moreover, new sampling and analytical methodologies (e.g., fluorescent labeling) to identify MPs in diver matrixes (e.g., wastewater, sediment, and biota) are critically reviewed. The information is critical for scientists, business leaders, legislators, and the public are to explore and develop solutions that lessen society’s plastic footprint. We thank all authors, reviewers, and editorial staff of FESE for their efforts and contributions to this special issue. Guest Editors: Wen Zhang Department of Civil and Environmental Engineering, New Jersey Institute of Technology (wen.zhang@njit.edu) Melissa Pasquinelli College of Natural Resources, North Carolina State University (melissa_pasquinelli@ncsu.edu) Yang Li School of the Environment Beijing Normal University (liyang_bnu@bnu.edu.cn)
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Comprehensive kinetostatic modeling and morphology characterization of cable-driven continuum robots

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0756-0

Abstract: In this study, a general kinetostatic modeling and morphology characterization methodology that comprehensivelywith the variable friction coefficient and adaptive friction direction criterion is proposed through structureconsidered to deduce a comprehensive kinetostatic model enabled with the capacity of accurate morphology characterization

Keywords： kinetostatic modeling     morphology characterization     variable friction     continuum robots     in-situ   

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Characterization of random stress fields obtained from polycrystalline aggregate calculations using multi-scale

Bruno SUDRET,Hung Xuan DANG,Marc BERVEILLER,Asmahana ZEGHADI,Thierry YALAMAS

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 121-140 doi: 10.1007/s11709-015-0290-1

Abstract: the properties of homogeneous Gaussian random fields (power spectral density and related covariance structure

Keywords： polycrystalline aggregates     crystal plasticity     random fields     spatial variability     correlation structure    

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Preparation and characterization of ZnO/ZnS hybrid photocatalysts via microwave-hydrothermal method

ZHAO Jinglian, WANG Xinping, ZHAO Liang

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 415-420 doi: 10.1007/s11783-008-0056-2

Abstract: Preparation and characterization of nanosized ZnO/ZnS hybrid photocatalysts were studied in this paper

Keywords： large-scale     hexagonal     misdistribution     characterization     nanocomposite    

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Mechanical properties characterization of different types of masonry infill walls

André FURTADO, Hugo RODRIGUES, António ARÊDE, Humberto VARUM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 411-434 doi: 10.1007/s11709-019-0602-y

Abstract: The primary objective of this paper is to present an extensive experimental campaign of mechanical characterization

Keywords： masonry infill walls     experimental characterization     compression strength     shear diagonal strength     flexural    

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Retraction note to: Synthesis, characterization and assessment thermal properties of clay based nanopigments

Mohammad Banimahd Kievani,Milad Edraki

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 440-440 doi: 10.1007/s11705-016-1573-3

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Title Author Date Type Operation

Analyzing the characterization of pore structures and permeability of diesel contaminated clays under

Journal Article

Review of characterization and modeling of polymer electrolyte fuel cell catalyst layer: The blessing

Jun HUANG, Zhe LI, Jianbo ZHANG

Journal Article

Recent advances in gold-metal oxide core-shell nanoparticles: Synthesis, characterization, and their

Michelle Lukosi,Huiyuan Zhu,Sheng Dai

Journal Article

Synthesis and characterization of biocompatible polyurethanes for controlled release of hydrophobic and

Juichen YANG,Hong CHEN,Yuan YUAN,Debanjan SARKAR,Jie ZHENG

Journal Article

Functional characterization of a thermostable methionine adenosyltransferase from

Yanhui Liu,Biqiang Chen,Zheng Wang,Luo Liu,Tianwei Tan

Journal Article

Enhanced electrochemical performance of CoNiS@TiCT electrode material through doping of cobalt element

Journal Article

Mechanism and characterization of microplastic aging process: A review

Journal Article

An experimental characterization of human torso motion

Daniele CAFOLLA,I-Ming CHEN,Marco CECCARELLI

Journal Article

Synthesis and characterization of norfloxacin biomonomer

Shengxiong DONG, Qiaoping CHEN, Hongfang XIE, Jianhua HUANG

Journal Article

Microplastic and Nanoplastic Pollution: Characterization, Transport, Fate, and Remediation Strategies

Journal Article

Comprehensive kinetostatic modeling and morphology characterization of cable-driven continuum robots

Journal Article

Characterization of random stress fields obtained from polycrystalline aggregate calculations using multi-scale

Bruno SUDRET,Hung Xuan DANG,Marc BERVEILLER,Asmahana ZEGHADI,Thierry YALAMAS

Journal Article

Preparation and characterization of ZnO/ZnS hybrid photocatalysts via microwave-hydrothermal method

ZHAO Jinglian, WANG Xinping, ZHAO Liang

Journal Article

Mechanical properties characterization of different types of masonry infill walls

André FURTADO, Hugo RODRIGUES, António ARÊDE, Humberto VARUM

Journal Article

Retraction note to: Synthesis, characterization and assessment thermal properties of clay based nanopigments

Mohammad Banimahd Kievani,Milad Edraki

Journal Article