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Nano-copper ions assembled cellulose-based composite with antibacterial activity for biodegradable personal

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1544-1554 doi: 10.1007/s11705-022-2288-2

Abstract: In this study, nano-copper ions assembled cotton fabric used in face masks to impart antibacterial activityTo produce the nanocomposite, the cotton fabric was modified by sodium chloroacetate after its mercerizationIt demonstrated excellent antibacterial activity against Staphylococcus aureus and Escherichiacoli because the gaps between fibers in the cotton fabric allow the nano-copper ions to be fullyMoreover, the antibacterial efficiency was maintained even after 50 washing cycles.

Keywords： cellulose-based     nanocomposite     biodegradable antibacterial fabric     nano-copper ions     face masks    

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One-Step Preparation of Green Fabric for Continuous Antibacterial Applications Article

Rongkang Huang, Minghui Hu, Weiwen Liang, Juanjuan Zheng, Yang Du, Yanhuan Lin, Huaiming Wang, Wentai Guo, Zhantao Zeng, Chuangkun Li, Ming Li, Hui Wang, Xingcai Zhang

Engineering 2021, Volume 7, Issue 3,   Pages 326-333 doi: 10.1016/j.eng.2020.08.022

Abstract: polypropylene (TPP) composite scaffolds and thereby effectively improve the biocompatibility and long-term antibacterialThe antibacterial triclosan can effectively interact with dopamine during biocompatible polydopaminetriclosan concentration of 8 mg∙mL−1 (referred to herein as TPP-8) exhibited a continuous antibacterial. coli) and Staphylococcus aureus (S. aureus) for more than 15 d, at maximum antibacterialOur study establishes a new direction for facile long-term antibacterial studies for medical applications

Keywords： Green chemistry     Polypropylene scaffold     Polydopamine     Triclosan     Antibacterial    

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Antibacterial properties of extracts of

Manhong YE,Lei ZHANG,Jiaqi GE,Haifeng SUN,Jingjing NI,Shengmei YANG,Wanhong WEI

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 327-334 doi: 10.15302/J-FASE-2015078

Abstract: To evaluate its potential application as dietary supplement in red swamp crayfish ( ), the antibacterialzone tests and determination of minimum inhibitory concentration revealed that the extracts had lower antibacterialactivity than extracts from two traditional medicinal plants that possess antibacterial properties,However, they did exhibit greater antibacterial effects than extracts from another widely used medicinal

Keywords： antibacterial activity     Canadian goldenrod     antioxidant enzyme     crayfish    

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Evaluation of 1,4-naphthoquinone derivatives as antibacterial agents: activity and mechanistic studies

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1631-2

Abstract:

● All 1,4-naphthoquinone hybrids exhibited significant antimicrobial activity.

Keywords： 1     4-naphthoquinone derivatives     Antibacterial     Action mechanism     RecA    

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Biodegradable, superhydrophobic walnut wood membrane for the separation of oil/water mixtures

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1377-1386 doi: 10.1007/s11705-022-2157-z

Abstract: The preparation of environmentally friendly oil/water separation materials remains a great challenge. Freeze-drying of wood after lignin removal yields wood aerogels, which can be used as substrates to prepare fluorine-free environmentally friendly superhydrophobic materials, However, they are more suitable for absorption rather than filtration applications due to their poor strength. A study using cross-sections of pristine wood chips as substrates retains the original strength of wood, but the use of the cross-sectional of wood pieces limits their thickness, strength, and size. In this paper, a degradable fluorine-free superhydrophobic film (max. water contact angle of approximately 164.2°) with self-cleaning and abrasion resistance characteristics was prepared by a one-step method using pristine and activated walnut longitudinal section films as the substrate, with tetraethyl orthosilicate as a precursor and dodecyltriethoxysilane as a modifier. The tensile strength results show that superhydrophobic films with pristine or activated wood substrates maintained the strength of pristine wood and were 2.2 times stronger than the wood aerogel substrate. In addition, after cross-laminating the two samples, the films had the ability to separate oil and water by continuous filtration with high efficiency (98.5%) and flux (approximately 1.3 × 103 L∙m‒2∙h‒1). The method has potential for the large-scale fabrication of degradable superhydrophobic filtration separation membranes.

Keywords： wood nanotechnology     superhydrophobic     biodegradable     surface modification     oil/water separation    

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Hyperledger fabric-based consortium blockchain for construction quality information management

Botao ZHONG, Haitao WU, Lieyun DING, Hanbin LUO, Ying LUO, Xing PAN

Frontiers of Engineering Management 2020, Volume 7, Issue 4,   Pages 512-527 doi: 10.1007/s42524-020-0128-y

Abstract: Lack of trust has been an ongoing issue for decades in construction quality management, hindering the improvement of quality performance. The development of mutual trust depends on immutable, traceable, and transparent construction quality information records. However, current information technologies cannot meet the requirements. To address the challenge, this study explores a blockchain-based framework for construction quality information management, which extends applications of blockchain in the domain of construction quality management. A consortium blockchain system is designed to support construction quality management in which participants’ information permissions and lifecycle are discussed. Additionally, this study presents in detail the consensus process that aims to address the problem of information fraud. The automated compliance checking based on smart contracts is presented as well, aiming to assure that construction products meet regulation requirements. Finally, an example of the consortium blockchain network is visualized to validate the feasibility of blockchain-based construction quality information management. The research shows that blockchain can facilitate mutual trust in construction quality management by providing distributed, encrypted, and secure information records and supporting automated compliance checking of construction quality.

Keywords： blockchain     construction quality     smart contracts     compliance checking     information management    

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Construction of sustainable, colored and multifunctional protein silk fabric using biomass riboflavin

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1131-1139 doi: 10.1007/s11705-023-2321-0

Abstract: In this paper, a novel method of dyeing and multifunctional modification of silk fabric by impregnationwith riboflavin sodium phosphate was proposed, such that protein silk fabric can be endowed with bright, and the dyed silk fabric turned into fluorescent green from original yellow under 365 nm ultravioletFurthermore, the modified silk fabric exhibited good antibacterial properties with a high inhibitionBesides, the flame retardancy of silk fabric was significantly improved after modification.

Keywords： biomass     riboflavin sodium phosphate     silk protein     multifunctional modification     flame retardant    

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Reducing Fiber Technic for 3D Braiding Hollow Coneshaped Fabric

Zhu Jianxun

Strategic Study of CAE 2006, Volume 8, Issue 3,   Pages 66-69

Abstract:

Reducing-fiber technics of 3D hollow coneshaped fabric braided from big end are researched,includingTheir effects on fabric structure, operation and mechanisation are analyzed and compared.fiber is a kind of special annulus-directional reducing-fiber technic, which may keep structure of fabric

Keywords： 3D braiding     hollow coneshaped fabric     reducing-fiber technic by reducing carrier     reducing-fiber technic    

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Micronization of curcumin with biodegradable polymer by supercritical anti-solvent using micro swirl

Kimthet Chhouk, Wahyudiono, Hideki Kanda, Shin-Ichro Kawasaki, Motonobu Goto

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 184-193 doi: 10.1007/s11705-017-1678-3

Abstract: Curcumin is a hydrophobic polyphenol compound exhibiting a wide range of biological activities such as anti-inflammatory, anti-bacterial, anti-fungal, anti-carcinogenic, anti-human immunodeficiency virus, and anti-microbial activity. In this work, a swirl mixer was employed to produce the micronized curcumin with polyvinylpyrrolidone (PVP) by the supercritical anti-solvent process to improve the bioavailability of curcumin. The effects of operating parameters such as curcumin/PVP ratio, feed concentration, temperature, pressure, and CO flow rate were investigated. The characterization and solubility of particles were determined by using scanning electron microscopy, Fourier Transform Infrared spectroscopy, and ultra-violet-visible spectroscopy. The result shows that the optimal condition for the production of curcumin/PVP particles is at curcumin/PVP ratio of 1:30, feed concentration of 5 mg·mL , temperature of 40 °C, pressure of 15 MPa, and CO flow rate of 15 mL·min . Moreover, the dissolution of curcumin/PVP particles is faster than that of raw curcumin.

Keywords： micronization     curcumin     polyvinylpyrrolidone     supercritical anti-solvent     swirl mixer    

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Waterborne Poly(Vanillin-Butyl Acrylate)/MXene Coatings for Leather with Desired Warmth Retention and Antibacterial

Jianzhong Ma,Li Ma,Lei Zhang,Wenbo Zhang,Qianqian Fan,Buxing Han,

Engineering doi: 10.1016/j.eng.2023.06.005

Abstract: This study presents a solvent-free, facile synthesis of a bio-based green antibacterial agent and aromaticThe resulting MV not only imparted antibacterial properties to coatings layered on leather, but couldSubsequently, MXene nanosheets with excellent photothermal conversion performance and antibacterial propertiesexposure to light and bacteria, exerting the maximum photothermal conversion efficiency and significant antibacterialgreen, and waterborne bio-based nanocomposite coatings for leather, with desired warmth retention and antibacterial

Keywords： MXene nanosheets     Vanillin     Styrene substitute     Leather coating     Photothermal conversion     Warmth retention     Antibacterial    

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Biodegradable Materials and the Tissue Engineering of Nerves

Xiaosong Gu

Engineering 2021, Volume 7, Issue 12,   Pages 1700-1703 doi: 10.1016/j.eng.2021.10.011

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Synthesis and characterization of biodegradable thermoplastic elastomers derived from N′,N-bis (2-carboxyethyl

Jiaojiao Shang, Guo Yao, Ronghui Guo, Wei Zheng, Long Gu, Jianwu Lan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 457-466 doi: 10.1007/s11705-018-1716-9

Abstract:

Biodegradable poly(ether-imide-ester) elastomers were synthesized from succinic acid, 1,4-butanediol

Keywords： thermoplastic elastomers     biodegradability     thermo-stability     mechanical property     aromatic bisimide moiety    

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Bifunctional Asymmetric Fabric with Tailored Thermal Conduction and Radiation for Personal Cooling and Article

Yucan Peng, Hiang Kwee Lee, David S. Wu, Yi Cui

Engineering 2022, Volume 10, Issue 3,   Pages 167-173 doi: 10.1016/j.eng.2021.04.016

Abstract: approach to tailor the thermal conduction and radiation properties based on commercially available fabricA bifunctional asymmetric fabric (BAF) offering both a cooling and a warming effect is demonstrated.

Keywords： Textiles     Personal thermal management     Bifunctional asymmetric fabric     Heat conduction     Radiative heat    

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Synthesis, molecular docking and antibacterial evaluation of 2-(4-(4-aminophenylsulfonyl)phenylamino)

Palanisamy RAVICHANDIRAN, Dhanaraj PREMNATH, Samuel VASANTHKUMAR

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 46-56 doi: 10.1007/s11705-015-1506-6

Abstract: standards used, namely Sparfloxacin (4.8 μg/mL) and Norfloxacin (no inhibition observed) for their antibacterial

Keywords： MIC     2-thiophene thiol     water as solvent     acid chlorides     sulfone    

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Biodegradable polymethacrylic acid grafted psyllium for controlled drug delivery systems

Ranvijay KUMAR, Kaushlendra SHARMA

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 116-122 doi: 10.1007/s11705-013-1310-0

Abstract: In addition, the biodegradable Psy- -PMA had the highest drug release in the acidic medium.

Keywords： psyllium     acetyl salicylic acid     in-vitro drug release     swelling     biodegradation    

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Title Author Date Type Operation

Nano-copper ions assembled cellulose-based composite with antibacterial activity for biodegradable personal

Journal Article

One-Step Preparation of Green Fabric for Continuous Antibacterial Applications

Rongkang Huang, Minghui Hu, Weiwen Liang, Juanjuan Zheng, Yang Du, Yanhuan Lin, Huaiming Wang, Wentai Guo, Zhantao Zeng, Chuangkun Li, Ming Li, Hui Wang, Xingcai Zhang

Journal Article

Antibacterial properties of extracts of

Manhong YE,Lei ZHANG,Jiaqi GE,Haifeng SUN,Jingjing NI,Shengmei YANG,Wanhong WEI

Journal Article

Evaluation of 1,4-naphthoquinone derivatives as antibacterial agents: activity and mechanistic studies

Journal Article

Biodegradable, superhydrophobic walnut wood membrane for the separation of oil/water mixtures

Journal Article

Hyperledger fabric-based consortium blockchain for construction quality information management

Botao ZHONG, Haitao WU, Lieyun DING, Hanbin LUO, Ying LUO, Xing PAN

Journal Article

Construction of sustainable, colored and multifunctional protein silk fabric using biomass riboflavin

Journal Article

Reducing Fiber Technic for 3D Braiding Hollow Coneshaped Fabric

Zhu Jianxun

Journal Article

Micronization of curcumin with biodegradable polymer by supercritical anti-solvent using micro swirl

Kimthet Chhouk, Wahyudiono, Hideki Kanda, Shin-Ichro Kawasaki, Motonobu Goto

Journal Article

Waterborne Poly(Vanillin-Butyl Acrylate)/MXene Coatings for Leather with Desired Warmth Retention and Antibacterial

Jianzhong Ma,Li Ma,Lei Zhang,Wenbo Zhang,Qianqian Fan,Buxing Han,

Journal Article

Biodegradable Materials and the Tissue Engineering of Nerves

Xiaosong Gu

Journal Article

Synthesis and characterization of biodegradable thermoplastic elastomers derived from N′,N-bis (2-carboxyethyl

Jiaojiao Shang, Guo Yao, Ronghui Guo, Wei Zheng, Long Gu, Jianwu Lan

Journal Article

Bifunctional Asymmetric Fabric with Tailored Thermal Conduction and Radiation for Personal Cooling and

Yucan Peng, Hiang Kwee Lee, David S. Wu, Yi Cui

Journal Article

Synthesis, molecular docking and antibacterial evaluation of 2-(4-(4-aminophenylsulfonyl)phenylamino)

Palanisamy RAVICHANDIRAN, Dhanaraj PREMNATH, Samuel VASANTHKUMAR

Journal Article

Biodegradable polymethacrylic acid grafted psyllium for controlled drug delivery systems

Ranvijay KUMAR, Kaushlendra SHARMA

Journal Article