Journal of Inorganic and Organometallic Polymers and Materials
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2024
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IF 3.9
Zheng Lu,Zhu Jide,Chen Jipeng,Xu Yanlian,Jiang Lilong
The performance of silver nanoparticles (AgNPs) as highly efficient antimicrobial agents is limited by their agglomeration and instability. Environmentally friendly silver-based nanomaterials have attracted considerable attention, owing to the superior dispersion and antibacterial activity of AgNPs. In this work, polyurushiol (PUL) was used to modify an AgNPs-based material and prepare PUL-decorated AgNPs (PUL-AgNPs). The stability and dispersion of the composites varied with the reaction conditions. The PUL-AgNPs material showed higher antibacterial activity than the AgNPs, with minimum inhibitory concentration (MIC) values against E. coli and S. aureus of 3.13 mg/L ( p < 0.01) and 6.25 mg/L ( p < 0.01), respectively. PUL-AgNPs also showed inhibitory potential against three microalgae, P. tricornutum , I. zhanjiangensis , and N. closterium . The 72-h LC50 values of PUL-AgNPs for the three algae were 1.95, 1.89, and 4.07 mg/L, respectively. This study shows the promising potential of PUL-AgNPs for antibacterial and anti-microalgae applications, especially for marine antifouling. Graphical Abstract
研究领域:
材料科学
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微生物学
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环境科学
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产品关联
DOI
高影响因子
RSC Advances
·
2020
·Vol. 10
·期 24
·13936-13943
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IF 3.119
Lu Zheng,Yucai Lin,Donghui Wang,Jipeng Chen,Ke Yang,Binbin Zheng,Weibin Bai,Rongkun Jian,Yanlian Xu
Silver nanoparticle-based coatings have been regarded as promising candidates for marine antifouling. However, current toxic fabrication methods also lead to environment risks. Nanoparticle agglomeration, poor compatibility with polymer, and rapid release of Ag+ result in short-term efficacy. In this study, a facile one-pot synthesis method of silver nanoparticles (AgNPs) encapsulated in polymeric urushiol (PUL) was developed. AgNPs were synthesized in situ by natural urushiol, serving as a reductant, dispersant and surfactant. Simultaneously, silver nitrate catalyzed the polymerization of urushiol into PUL. This in situ reduction method made AgNPs uniformly distributed in the polymer matrix. The binding between the AgNPs and the PUL resulted in the stable release of Ag+. Results showed the antibacterial rate of a 0.1% AgNPs coating is 100% in laboratory experiments. This environment-friendly coating showed good microbial inhibition performance with long-term (120 days) marine antifouling efficacy. This study shows the potential of preparing an eco-friendly coating with long-term marine antifouling ability.
研究领域:
材料科学
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海洋生物学
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环境科学
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产品关联
DOI
PubMed
高影响因子
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2023
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IF 8.2
Ying-Qi Dong,Wei-Bin Bai,Wen Zhang,Yu-Cai Lin,Rong-Kun Jian
Bio-based hydrophobic coating modified cotton fabrics with durable flame retardancy are of high interest in the application of oil-water separation for not only avoiding the use of hazardous substances but also improving the fire safety during use. Herein, phytic acid@Polyurushiol‑titanium complex coated cotton fabric was developed using the facile dip-coating method involving the sequential immersion in the solution of poly(ethyleneimine), phytic acid , titanium oxide, and urushiol. The underlying coating accommodated abundance of phytic acid, which imparted excellent flame retardancy to cotton fabric, and the top coating composed of the polyurushiol‑titanium complex endowed cotton fabric with high hydrophobicity that the water contact angle (WCA) was up to 149.8°. The hydrophobicity also guaranteed effective protection of the underlying phytic acid against chemical solvents and abrasion. Besides, the hydrophobic coating allowed cotton fabric for good self-cleaning and effective oil-water separation. Therefore, the preparation of phytic acid@polyurushiol‑titanium complex coated cotton fabric offers a promising approach to construct durable biomass-coated cellulose-based fabric with multifunctionality.
研究领域:
材料科学
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环境科学
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纺织工程
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产品关联
DOI
PubMed
高影响因子
POLYMER ENGINEERING AND SCIENCE
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2018
·Vol. 58
·期 12
·2304-2310
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IF 1.551
Jianrong Xia,Baoling Chen,Qinhui Chen
Urushiol, the main component of the natural product of raw lacquer, can react with ester easily owing to its two adjacent phenolic hydroxyls, and urushiol-ester compounds can polymerize further attributing to its unsaturated side chain. In this work, poly(urushiol borate) (PUB) was coated on the surface of polystyrene (PS) microspheres by transesterification between urushiol and tributyl borate. Then, the core–shell composite microspheres of polystyrene@poly(urushiol borate) (PS@PUB) were obtained. Finally, we used a general method to synthesize anisotropic grenade-like Janus composite particles of PUB/PS, that is, the core–shell composite microspheres of PS@PUB were swelled assisted protrusion in the emulsion of organic monomer and water. The morphologies of PUB/PS Janus composite particles could be tuned by changing the swelling time and the dosage of organic monomer. POLYM. ENG. SCI., 58:2304–2310, 2018. © 2018 Society of Plastics Engineers
研究领域:
材料科学
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化学工程
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DOI
高影响因子
Advanced Healthcare Materials
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2024
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IF 10
Yan Fang,Yanyan Zheng,Chongyi Chi,Sai Jiang,Wanbang Qin,Yicheng Zhang,Haiqing Liu,Qinhui Chen
Hydrogel is a very promising dressing for hemostasis and wound healing due to its good adhesion and long-term moist environment. However, secondary injury caused by tissue adhesion due to homogeneous hydrogel cannot be ignored. The obvious interface existing in Janus hydrogel will weaken its asymmetric function. Here, a hierarchical adhesive polyacrylic acid–polyurushiol water–oil Janus hydrogel (JPs@PAA-PU) without adhesive layer is fabricated by one-pot method in the stabilization of polystyrene@silica-siliver Janus particles (JPs). The morphological structure, mechanical properties, anisotropic chemical composition, and adhesion performance, in vivo, and in vitro hemostatic properties of Janus hydrogel are investigated. Result shows that the obtained Janus hydrogel possesses obvious compartmentalization in microstructure, functional groups, and chemical elements. Janus hydrogel is provided with asymmetric interfacial toughness with top 52.45 ± 2.29 Kpa and bottom 7.04 ± 0.88 Kpa on porcine liver. The adhesion properties of PAA side to tissue, red blood cells and platelets, promoting effect of PU side on coagulation cascade reaction and its physical battier endow Janus hydrogel with shorter hemostatic time and less blood loss than control group. It also exhibits excellent antibacterial effects against Escherichia coli and Staphylococcus aureus (>90%). Janus hydrogel possesses biosafety, providing safety guarantee for clinical applications in the future.
研究领域:
材料科学
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生物医学工程
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止血与伤口愈合
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生物材料
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产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）