Article
Agricultural Engineering
Xian-Wei Cheng, Zheng-Yi Wang, Wen-Jie Jin, Jin-Ping Guan
Summary: This study presents a novel and facile approach for developing flame retardant wool fabrics by covalently grafting bio-based ammonium phytate onto wool fibers. The modified wool fabrics showed improved flame retardancy, increased tensile strength, and reduced smoke and heat release properties. The investigations confirmed the intumescent flame retardant mechanism for the APH modified wool fabrics.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Agricultural Engineering
Kesavarao Sykam, Michael Forsth, Gabriel Sas, Agoston Restas, Oisik Das
Summary: Phytic acid is a widely used flame retardant with high phosphorus content for treating various fabrics, and it can have synergistic benefits with other molecules to provide multiple functionalities to cotton fabrics. This review discusses the impact factors on the flame retardant behavior and durability of cotton and wool fabrics treated with phytic acid.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Agricultural Engineering
Xinhua Liu, Zhiqiang Wei, Hailong Liu, Yinchun Fang
Summary: In this study, a fully bio-based intumescent flame retardant (IFR) system was developed using epoxidized waste cooking oil (EWCO) as a crosslinking agent to covalently bind with phytic acid (PA) and chitosan (CH). Wool fabrics treated with the PA/EWCO/CH IFR system showed excellent flame retardancy and good durability. This research provides a new strategy for enhancing the flame retardant durability of bio-based flame retardants.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Polymer Science
Peixin Yang, Hanguang Wu, Feifei Yang, Jie Yang, Rui Wang, Zhiguo Zhu
Summary: Based on the combination of melamine and phytic acid on rGO, the novel flame retardant PMrG significantly enhances the flame resistance of PLA by reducing heat release rate and increasing ignition time. The interaction between components in PMrG promotes the formation of a compact char layer, acting as a barrier to suppress heat and smoke release. Additionally, PMrG positively influences the crystallization of PLA, acting as a nucleation agent.
Article
Materials Science, Multidisciplinary
Shuang He, Yu-Yang Gao, Ze-Yong Zhao, Sheng-Chao Huang, Zi-Xun Chen, Cong Deng, Yu-Zhong Wang
Summary: Phytic acid-amino acid salts derived from biomass material were found to effectively enhance the flame retardancy of polypropylene, with arginine showing the highest efficiency in increasing flame retardancy, while lysine significantly reducing the fire hazard of PP during burning.
ACS APPLIED POLYMER MATERIALS
(2021)
Article
Agricultural Engineering
Karina Antoun, Melek Ayadi, Roland El Hage, Michel Nakhl, Rodolphe Sonnier, Carole Gardiennet, Nicolas Le Moigne, Arnaud Besserer, Nicolas Brosse
Summary: An easy-to-use and environmentally friendly method is proposed to enhance the fire retardancy of natural fibers. The phosphorylation of hemp fibers using phytic acid and urea not only improves their non-flammability, but also affects their properties.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Agricultural Engineering
Hua-Bin Yuan, Ren-Cheng Tang, Cheng-Bing Yu
Summary: In this research, a product called PA/CT/MCC was prepared by incorporating bio-based phytic acid (PA) and condensed tannins (CT) into microcrystalline cellulose (MCC), which exhibited excellent flame retardant performance and cationic dye adsorption capability. The study also confirmed the phosphorylation of MCC and investigated the thermal stability and combustibility of PA/CT/MCC. This research suggests the potential application prospects of constructing flame retardant and adsorptive MCC materials in the fire protection and water treatment fields, respectively.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Polymer Science
Guochao Yang, Qiuhui Zhang
Summary: A bio-based supramolecular flame retardant was prepared by vacuum-pressure impregnation and high-temperature in situ polymerization, which can improve the flame retardant performance and anti-loss property of plywood.
MACROMOLECULAR RAPID COMMUNICATIONS
(2022)
Article
Polymer Science
Xiaojie Cheng, Lei Shi, Zuwei Fan, Yuanyuan Yu, Rangtong Liu
Summary: A flame retardant coating containing phytic acid, chitosan, and biochar was prepared using layer-by-layer assembly. This coating significantly improved the flame retardancy of cotton fabrics, protected the fabric from degradation, and enhanced the thermal stability. The coated fabric formed a thermally stable char layer during combustion, inhibiting oxygen and heat transfer. The treated fabric exhibited excellent flame retardant performance and retained approximately 60% of the flame retardant properties after washing.
POLYMER DEGRADATION AND STABILITY
(2022)
Article
Polymer Science
Yang Wang, Dong Wang, Mengfei Zhang, Ting Li, Jie Jiang, Mingqing Chen, Weifu Dong
Summary: In this study, a highly efficient flame retardant called furfurylamine phytate (PAF) was fabricated using phytic acid and furfurylamine. The PAF showed excellent flame retardancy for polylactic acid (PLA) at low loadings. The flame retardancy of PLA/PAF composites was evaluated through various tests, and the results showed that the addition of PAF greatly improved the flame retardancy of PLA without sacrificing its mechanical properties. This research provides a simple and green method for the development of fully bio-based flame-retardant PLA composites.
POLYMER DEGRADATION AND STABILITY
(2023)
Article
Biochemistry & Molecular Biology
Hua-Bin Yuan, Ren-Cheng Tang, Cheng-Bing Yu
Summary: This study functionalized microcrystalline cellulose (MCC) through phosphorylation reaction with phytic acid (PA) to enhance its flame retardancy, providing a novel strategy for the phosphorylation of cellulose with potential applications in flame retardant materials.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Green & Sustainable Science & Technology
Xian-Ting Zheng, Ying-Qi Dong, Xin-Duo Liu, Yan-Lian Xu, Rong-Kun Jian
Summary: This study successfully improved the flame-retardant properties of cotton fabrics by fabricating a binary coating. The coating exhibited flame-retardant activities in both the condensed phase and gas phase during flame combustion, leading to self-extinguishing behavior of the cotton fabrics.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Agricultural Engineering
Kaihao Wang, Dan Meng, Shuheng Wang, Jun Sun, Hongfei Li, Xiaoyu Gu, Sheng Zhang
Summary: Introducing bio-based acid sources into the cellulose lumens effectively enhances the flame retardant properties of wooden products. The treated wood showed significantly improved flame retardancy and mechanical properties, making it a promising option for furniture applications.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Engineering, Environmental
Feng Chen, Peng Qi, Jian Liu, Gang Xia, Bin Fei, Jun Sun, John H. Xin, Sheng Zhang
Summary: In this study, a durable flame retardant cotton fabric (Cotton-APA/LNT) was successfully fabricated by covalently bonding ammonium phytate (APA) and lentinan (LNT). The Cotton-APA/LNT fabric exhibited high limiting oxygen index (LOI) value and self-extinguishing ability. After laundering cycles, the fabric still showed good flame retardancy and improved durability and breaking force.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Applied
Shupin Chen, Hongqiang Li, Xuejun Lai, Shifeng Zhang, Xingrong Zeng
Summary: The authors presented a new strategy for preparing superhydrophobic and flame-retardant cotton fabric by coating multiple layers on the fabric surface. The resulting fabric exhibited high water contact angle, anti-adhesion properties, self-cleaning capabilities, and efficient oil-water separation, as well as excellent flame retardancy.
PROGRESS IN ORGANIC COATINGS
(2021)
Article
Engineering, Chemical
Xin Ai, Ailing Xie, Jin Cheng, Xueni Hou, Shenzhou Lu, Ning Qi, Guoqiang Chen, Tieling Xing
Summary: In this study, conductive polyamide fibers were successfully prepared through fiber pretreatment and surface activation modification. The modified fibers exhibited robust electrical conductivity and excellent performance, making them suitable for applications in flexible electronic devices, functional sensors, and infrared assisted therapy.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Engineering, Environmental
Fanfan Chen, Xinyi Liu, Xiyuan Ge, Yong Wang, Zifan Zhao, Xu Zhang, Guo-Qiang Chen, Yuchun Sun
Summary: This study developed a porous antibacterial scaffold based on PHA for oral soft tissue regeneration. The scaffold showed good biocompatibility and antibacterial property, facilitating tissue healing in the oral environment.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Applied
Hui Li, Shiwei Li, Qing Li, Guoqiang Chen, Yan Zhao, Yingjie Cai
Summary: Covalent adaptable networks of disulfide bonds were incorporated into superhydrophobic surfaces by enzyme etching and oxidation coupling of sulfhydryl alkyl silane (MPTES) and (mercap-topropyl)methylsiloxane-dimethylsiloxane copolymers (S-PDMS). The resulting coating showed durable super water-repellency even after repeated washing and abrasion. The self-healing of the disulfide bonds occurred at a lower temperature of 90 degrees C, allowing for routine maintenance. This novel method has the potential to promote the development of durable functional coatings.
PROGRESS IN ORGANIC COATINGS
(2023)
Article
Biology
Ning Ma, Pingting Guo, Jingyu Chen, Zengkai Qi, Chunchen Liu, Jiakun Shen, Yiwei Sun, Xiyue Chen, Guo-Qiang Chen, Xi Ma
Summary: Poly-beta-hydroxybutyrate (PHB) enhances the differentiation of sulfomucin, thereby alleviating inflammation caused by diarrhea and colitis. This promotion of sulfomucin differentiation is mediated by Lactobacillus johnsonii (L. johnsonii). PHB provides a favorable environment for L. johnsonii biofilm formation and growth. Importantly, PHB alleviates colitis by enhancing sulfomucin secretion and maturation in a L. johnsonii-dependent manner.
SCIENCE CHINA-LIFE SCIENCES
(2023)
Review
Biotechnology & Applied Microbiology
Jian-Wen Ye, Yi-Na Lin, Xue-Qing Yi, Zhuo-Xuan Yu, Xu Liu, Guo-Qiang Chen
Summary: Microbial biomanufacturing has gained increasing interest for diverse product production, with extremophiles showing better performance for cost-effective production due to their exceptional growth and synthesis capacity under stress conditions. This review highlights the growing number of products already manufactured using extremophiles and also summarizes genetic parts, molecular tools, and manipulation approaches for extremophile engineering. Next-generation industrial biotechnology based on engineered extremophiles promises to simplify biomanufacturing processes, achieve open and continuous fermentation without sterilization, and utilize low-cost substrates, making it an attractive green process for sustainable manufacturing.
TRENDS IN BIOTECHNOLOGY
(2023)
Article
Materials Science, Paper & Wood
Xixue Yang, Hui Li, Shuang Dong, Ling Li, Minhua Li, Tieling Xing, Guoqiang Chen
Summary: This study reports a superhydrophobic surface fabricated from silica nanoparticles, 3-mercaptopropyltriethoxysilane, and a 4-6% (mercaptopropyl) methylsiloxane-dimethylsiloxane co-polymer by dip-coating and thermal curing processes. The coated fabric exhibits high durability and withstands repeated laundering, abrasion, and acid-base corrosion cycles. A disulfide bond exchange reaction promotes self-healing and allows the coating to maintain high static water contact angles after multiple washing cycles.
Article
Engineering, Environmental
Huan Wang, Jian-Wen Ye, Xinyu Chen, Yiping Yuan, Jingwen Shi, Xinyi Liu, Fang Yang, Yueyuan Ma, Jinchun Chen, Fuqing Wu, Yuxuan Lan, Qiong Wu, Yi Tong, Guo-Qiang Chen
Summary: This study aims to produce low-cost poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) with customized and/or rich 3HHx by engineering Halomonas bluephagenesis. Through the expression of heterologous PHA synthase (PhaC(ac)) and enoyl coenzyme-A hydratase (PhaJ(ac)), PHBHHx with high 3HHx ratios was obtained. Furthermore, by weakening the native beta-oxidation pathway, PHBHHx with up to 49 mol% 3HHx was synthesized.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Biotechnology & Applied Microbiology
Mengke Ji, Taoran Zheng, Ziyu Wang, Weijian Lai, Lizhan Zhang, Qianyi Zhang, Hongyi Yang, Si Meng, Wanghui Xu, Cuihuan Zhao, Qiong Wu, Guo-Qiang Chen
Summary: Food wastes can be converted into soluble microbial substrates for sustainable production using Halomonas spp.-based Next Generation Industrial Biotechnology (NGIB). In this study, a recombinant strain of H. bluephagenesis, termed WZY278, was able to produce poly(3-hydroxybutyrate) (PHB) in nutrient-rich food waste hydrolysates under open, non-sterile fermentation conditions. The strain achieved high PHB yields of up to 80 wt% in shake flasks and bioreactors.
METABOLIC ENGINEERING
(2023)
Article
Engineering, Marine
Qiaoling Ji, Guoqiang Chen
Summary: This research investigates the hydrodynamic responses of a reversed L type floating breakwater integrated with a wave energy converter moored by a vertical pile in extreme sea states and intermediate water depth using numerical simulations based on the Navier-Stokes equations. Three different wave types (solitary, regular, and focus waves) are considered and their effects on surface wave elevation, heave motion, wave force, impulse, wave moment on the mooring pile, moment of impulse, pressure distribution, and flow field are compared. The study reveals that different wave types result in diverse peak hydrodynamic responses, with regular waves generating the largest wave force and moment, and solitary waves producing the largest heave motion, impulse, and moment of impulse. The pressure distribution on the bottom of the floater also exhibits distinct characteristics under solitary waves compared to the other wave types. The study also examines the impact of the power take-off (PTO) damping parameter on the maximum wave force and moment, and finds that there exists an optimal PTO damping force for minimizing the wave force on the floater. Overall, this research provides valuable insights into the hydrodynamic responses of the integrated floating breakwater-wave energy converter system under different extreme waves.
Article
Biochemistry & Molecular Biology
Guoqiang Chen, Chunxiao Zhou, Lili Xing, Tieling Xing
Summary: Chitosan is used to enhance the antibacterial properties of nonwoven PET by fixing it in activated carboxyl groups and biological primary amino groups. The surface chemical compositions, biocompatibility, antibacterial, and hydrophilic properties of polyester fabrics after being grafted with chitosan and activated by atmospheric pressure plasmas were evaluated. The chitosan-coated and -activated PET woven fabric showed improved biocompatibility, wetting properties, and antibacterial properties compared to untreated PET woven fabric.
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
(2023)
Article
Polymer Science
Wen-Jie Jin, Yuan Yuan, Jin-Ping Guan, Xian-Wei Cheng, Guo-Qiang Chen
Summary: The application of insoluble DOPO compound on PA6 fabric showed great potential to improve flame retardancy, anti-dripping property, and reduce smoke and heat release. The DOPO coating exhibited good washing durability on PA6 fabric. This study provides a valuable direction for future research on FR PA6 fabric with DOPO derivatives.
POLYMER DEGRADATION AND STABILITY
(2023)
Article
Chemistry, Multidisciplinary
Aijing Li, Xinpeng Chen, Ping Yao, Jun Zhang, Tieling Xing, Guoqiang Chen
Summary: In this study, polydopamine (PDA) was utilized to reduce silver nitrate (AgNO3) to silver nanoparticles (AgNPs) and load them onto waste silk fabrics (PDA-SF/AgNPs). The removal efficiency of the composite PDA-SF/AgNPs on various dyes in the presence of hydrogen peroxide (H2O2) and potassium peroxymonosulfate (PMS) was compared. The experimental results demonstrated high dye removal rates for Telon Red A2R using the PDA-SF/AgNPs-H2O2 and PDA-SF/AgNPs-PMS systems.
ARABIAN JOURNAL OF CHEMISTRY
(2023)
Article
Engineering, Chemical
Wen-Jie Jin, Yu Xin, Xian-Wei Cheng, Jin-Ping Guan, Guo-Qiang Chen
Summary: Riboflavin sodium phosphate serves as a promising ecofriendly multifunctional agent for enhancing the value of silk textiles. This study presents a novel method of dyeing and multifunctional modification of silk fabric using riboflavin sodium phosphate. The modified silk fabric exhibits photochromic performance, antibacterial properties, and improved flame retardancy.
FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING
(2023)
Article
Biochemistry & Molecular Biology
Lili Xing, Yirong Wang, Jin Cheng, Guoqiang Chen, Tieling Xing
Summary: In this study, silk/PEDOT conductive fibers with a resistivity of 1.73 Omega center dot cm were successfully obtained by oxidizing Ce3+ with H2O2 under alkaline conditions and promoting the in-situ polymerization of EDOT on the surface of silk fibers. The conductive fibers showed excellent environmental stability and durability, and exhibited good pressure and strain sensing performance. They have great potential in applications such as personal health monitoring and human-machine information transmission.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Biochemistry & Molecular Biology
Xin-Liang Zhu, Huan Du, Lei-Lei Wang, Er-Ling Hu, Ning Li, Hai-Xia Lu, Guo-Qiang Chen, Xiao-Yun Lu
Summary: In this study, the researchers used a quantitative proteomics approach to analyze the changes in protein expression in neural cells after treatment with 3-hydroxybutyrate (3OHB). They identified a key epigenetic marker called histone lysine 27 trimethylation and found that 3OHB affects the involvement of bivalent transcription factors and neuronal development processes. Transcriptomic profiling revealed that 3OHB impairs the fate decision process of neural precursor cells by repressing differentiation and promoting proliferation. This study provides insights into the mechanisms underlying the neuroprotective effects of 3OHB.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
